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About Paul Soderman
(Top Expert on this page)

Expertise
Aeronautics, Fluid Mechanics, Aeroacoustics, Noise Control, Muffler Design, Wind Tunnel Research.... I know nothing about India - do not ask about schools, jobs, application requirements, career choices, etc. for India. Please, no text message verbiage; I prefer full words in full sentences. Thanks.

Experience
37+ years with NASA as Aeronautical Engineer in research lab (retired). Specialty in aerodynamics, aeroacoustics and wind tunnel research. Publications 95+ technical papers and book chapters. Education/Credentials: BS/MS Aero Engineering - U. of Washington. Graduate studies - Stanford U. Awards and Honors
AIAA Associate Fellow (American Institute of Aeronautics and Astronautics

   

You are here:  Experts > Science > Aerospace/Aviation > Aeronautical Engineering

Questions Answered By Expert  Paul Soderman 
In Category  Aeronautical Engineering

SubjectDate Asked

Aeronautical Engineering9/5/2008
  Q: My name is Andrew Jackson I am a senior at McDonough High school and I am doing a project for my ...
  A: Engineers must have as a minimum a bachelor's degree from a qualified engineering school. It took ...
carrer...9/1/2008
  Q: Sir, I have done my B Tech in Electronics & Instrumentation securing 72% marks in India. But I have ...
  A: Majinder Each school has its own requirements, but generally graduate study in aeronautical ...
Senior Project8/30/2008
  Q: I am doing a senior project for my Physics Degree and would like to do my research paper in the area ...
  A: Jason My first thought is that a proper jet engine with turbine and compressor would be much too ...
Studying aeronautical engineering at USA or UK with scholarships8/22/2008
  Q: Sir I want to study aeronautical engineering either in USA or UK but i cannot pay the whole cost ...
  A: Sachendra Scholarships are based on academic performance and need and special circumstances (e.g., ...
fluid mechanics8/21/2008
  Q: i would like to know about the effect of bending a CD nozzle at its throat on the regular equations ...
  A: Ngole You haven't given me much information on which to base my answer. How much of a bend, 10 deg, ...
Drag force on buoy doublet8/20/2008
  Q: Two spherical buoys are attached by two short lines of same length to a single anchor point. What ...
  A: Marc I hope I am not helping with a homework problem. A quick analysis of the problem leads me to ...
Wind turbine8/19/2008
  Q: I'd like to design and build an axial wind turbine, 6 - 7 ft high, 3 -4 ft diameter. Any ideas on ...
  A: Chuck I suggest reading the following report which addresses that veryNREL Airfoil Families for ...
sahaj again8/18/2008
  Q: in my last question wht i meant was i ve just finished my grade 12 without taking math and if i get ...
  A: Sahaj I don't see why you couldn't study in the US. Students from all over the world study here. ...
sahaj again8/16/2008
  Q: in my last question wht i meant was i ve just finished my grade 12 without taking math and if i get ...
  A: Sorry Sahaj - You can't be an engineer without taking math. Engineering is all about math and ...
Airfoil Characteristics8/14/2008
  Q: I am doing an Extended Essay for the IB program on airfoil characteristics. My question that I have ...
  A: Jonathan Of the parameters you listed, chord would have the strongest effect on lift because lift is ...
re: Aileron Flutter in Grob Twin 2 Sailplane8/14/2008
  Q: our ailerons show flutter at airspeed well below VNE (135kts). Have stripped, re-faired and ...
  A: Sorry Andy, I have never worked on flutter. I assume that once the ailerons are balanced and ...
Favorite8/13/2008
  Q: If you don't mind, I would like to ask you a personal question. What is your favorite area in ...
  A: I favor aeroacoustics in all aspects (propeller noise, airframe noise, jet noise, flow noise, wind ...
M.S. in Aerospace8/13/2008
  Q: Currently, I am entering my first year of college on my path to an M.S./M.E. in Aerospace. I will ...
  A: Brock Aerospace is very close to Mechanical Engineering and it would be fairly easy to move to ...
about aeronautical engineering8/11/2008
  Q: hey i just finished my grade 12 from Nepal and i am planning to go to china to study aeronautical ...
  A: Sorry Sahaj, I don't quite understand your question. I believe you are asking if you can study in ...
ques8/4/2008
  Q: what is best to pursue aero-space,nautical.i really want to know the key differences between these ...
  A: Your question is unclear; I believe you are asking the difference between aeronautics and aerospace. ...
best angle versus best rate of climb7/29/2008
  Q: best angle of climb ceiling (absolute)is always lower than best rate of climb ceiling for a ...
  A: Patrick By definition, at the aircraft ceiling it can climb no further. It doesn't matter if it got ...
A.M.E OR BE in aeronautical engineering7/27/2008
  Q: which is valuable B.E in aeronautical engineering or Aircraft maintanance engineering
  A: Aeronautical engineering is valuable for design and development of aircraft. Aircraft maintenance ...
regarding ms in aeronautical eng7/27/2008
  Q: H! i am a b.tech electronics & communication student. can i do master in aeronautical eng? and which ...
  A: Generally, electronics and communication is not a suitable preparation for graduate work in ...
Mechanical VS Aeronautics7/26/2008
  Q: SIR i am doing mechanical engineering and wish to do masters in aeronautics from a reputed US univ. ...
  A: Mechanical engineering is usually considered good preparation for graduate work in aeronautics. ...
About complex mathematics of Aeronautical field7/24/2008
  Q: I am a student of aeronautical engineering (now in 3rd year) from India. I am facing a lot of ...
  A: Sudarshan I know of no special math book for aeronautical engineering. Aero engineers use the same ...
helicopter balde balancing7/23/2008
  Q: ..I'm involved a heated debate about balancing model helicopter blades. The discussion is centering ...
  A: You are on the right track. Proper helicopter rotor balancing requires that the spanwise and ...
Post graduation in Aeronautical Engineering7/21/2008
  Q: Sir Can you guide me eligibilty for Post graduation in Aeronautical Engineering . Whether ...
  A: Satish You should contact the school of choice or check their website to find exact requirements, ...
thrust calculation7/20/2008
  Q: Sir, I am doing a project for which can you help me about how can I calculate and design a system ...
  A: How to get the engine... or how to get the height? Aniket - your questions are so vague I don't ...
Aeonautical engeneering7/19/2008
  Q: I am a student of Nepal and I had just completed my higher education taking math and physics as a ...
  A: Manoj Aeronautical Engineering is the study of the science of flight. Aerospace Engineering is the ...
about aeronautical eng7/17/2008
  Q: hey..my name is parth.m frm new jersy ,US. m very keenly interested in doing aeronautical ...
  A: Parth A list of the best engineering schools in the U.S. can be found here: ...
Engineering Schools7/15/2008
  Q: I am a senior in the IB program at Palm Harbor University High School, FL, and I am interested in ...
  A: The only school I am familiar with in Florida is Florida State U. though I seem to remember that ...
about aeronautical eng7/15/2008
  Q: hey..my name is parth.m frm new jersy ,US. m very keenly interested in doing aeronautical ...
  A: Parth - The economy is bad, but I would be very surprised if an engineer with decent grades could ...
Wind tunnel blockage for turbines7/6/2008
  Q: I am currently doing a project about Vertical Axis Wind Turbines and i am planning to build a ...
  A: Eshwar I don't know enough about your model to answer definitively. If your model was a solid 2 m ...
PG course after Aeronautical Eng degree in India7/4/2008
  Q: sir: My son is going to complete BE Aeronautical Eng degree in India in 2009. I would like to ask ...
  A: Ratna Here is a list of good engineering schools in the U.S.: ...
Air-vent duct noise7/3/2008
  Q: But, it has one annoyance that's driving me crazy - the ventilation is incredibly noisy. I'm hoping ...
  A: Dave You do need to read some of those or other books about silencers. The airflow does not go ...
retake classes?6/30/2008
  Q: I was reading some of the questions people have asked you about college and life as an aeronautical ...
  A: 1. The schools that were popular at my research center were Texas A&M, Cal Poly San Luis Obispo, ...
Air-vent duct noise6/30/2008
  Q: But, it has one annoyance that's driving me crazy - the ventilation is incredibly noisy. I'm hoping ...
  A: Sorry for the tardy answer, I have been helping fight forest fires in Northern California. But I am ...
about tution fees6/19/2008
  Q: sir how much it will cost to study in europe or in u.s.a? i am a student from bangladesh.can i get ...
  A: Education in Europe is free for citizens; I don't know about foreigners. In the U.S., college ...
wings6/10/2008
  Q: Ive been struggling with the math for lift for wings. Id like to build something like a dirigible ...
  A: I'm curious about the design of your aircraft because conventional dirigibles don't depend on wing ...
MS in aeronautics6/9/2008
  Q: I am currently pursuing Instrumentation engineering as my bachelors degree. I am interested in ...
  A: Tejas To switch from instrumentation engineering to aero engineering would probably take some extra ...
Aeronautical Engineering6/6/2008
  Q: I am currently doing B.Tech in Information Technology and would like to do M.S in Aeronautical ...
  A: Niharika I am unsure which country you are asking about. If it is the U.S., aero engineering is ...
to know about dual course6/4/2008
  Q: i want to know whether their is any university which can provide me aeronautical engineering degree ...
  A: In the U.S. the schools I have heard offer both are North Dakota State, Embry Riddle, and Arizona. ...
Airplane stop in mid air?6/3/2008
  Q: My friend claims to see with his own eyes, more than once, that the airliners can stop moving in ...
  A: If an airliner stopped in midair it would fall from the sky. They need airspeed to sustain lift on ...
skills for aeronautical engg.5/30/2008
  Q: Can i do aeronautical engg. course after the diploma in computer engg..
  A: If you mean an aeronautical course leading to a Bachelor's degree, the answer is probably yes. If ...
difference between aerospace eng&aeronautical eng5/29/2008
  Q: Could please explain me what is the difference between Aerospace engineering & Aeronautical ...
  A: For all practical purposes, there is no difference. Aeronautical Engineering was the original name ...
aeronautics engineering5/28/2008
  Q: what job will i get if i take a major in aeronautics engineering? ANSWER: A job in aeronautical ...
  A: Ben Starting salaries depend on many factors such as your academic performance, job experience, ...
problem of age?5/27/2008
  Q: state long beach. do you think my age and school choice will hamper my job prospects.
  A: Michael I wouldn't think so. Forty is not that old, especially to me at 64, and it is illegal to ...
Aeronautical Engineering College....5/26/2008
  Q: I am currently a junior in high school and want to persue a career in Aeronautical Engineering. I am ...
  A: John You need to study all the science and math classes you can get - especially physics, advanced ...
aeronautical vs mechanical for undergrad5/21/2008
  Q: Paul...my very bright son yearns to study aeoronautical engineering..he's a junior, good grades, ...
  A: Congratulations on some good opportunities your son has earned. In my experience, all engineering ...
Masters in aeronautical engineering5/12/2008
  Q: R/Sir, I have completed my BS(Computer Science). Can i stands for Masters in aeronautical ...
  A: It is doubtful that computer science student would have taken the courses necessary to qualify for a ...
anhedral/dihedral, re: F-4 Phantom5/10/2008
  Q: In the F-4 Phantom flight manuel it describes the wing tips with obvious anhedral and stabilator ...
  A: Rick Like almost all aircraft the F-4 has wing dihedral for lateral stability. Side slip to the ...
Can i do MS in aeronautical engg with bachelors in automobile engg5/10/2008
  Q: Respected Sir, I am from India. I did my Bachelors in Automobile Engg and i have an experience of 2 ...
  A: I'm not sure because I never heard of automobile engineering and do not know what you studied. If ...
doing MS aeronautical after doing bachelor degree in automobile engineering5/10/2008
  Q: i have completed my high schooling.. i am very much interested in doing my masters in ...
  A: I'm not sure because I never heard of automobile engineering and do not know what you studied. If ...
masters in aerospace5/10/2008
  Q: i am currently in electronics and telecommunication engineering . am i eligible for masters in ...
  A: Rohit Each school, each department has its own requirements. Only the schools can answer ...
Query5/7/2008
  Q: I am from India. I did my Bachelors in Mechanical Engg in 2006 and worked in IT industry for 2 ...
  A: No, you have the right engineering degree, and experience in IT will be a plus. But jobs are ...
Aero Dynamic 5th Wheel Camper5/7/2008
  Q: I have a 13000lb 5th wheel RV that has a rounded front but a square rear end. my question is can I ...
  A: A shoe box is always a problem aerodynamically, but there may be a few things you could do. First, ...
Aeronautical Engineering5/6/2008
  Q: i've been wanting to build planes since i was little and being seventeen i think i may actually be ...
  A: You don't need to be an aeronautical engineer to build an airplane, but it would help a lot. To ...
Butterworth Filter4/29/2008
  Q: I am not sure you can address my question but I am using a Butterworth Low Pass filter to smooth ...
  A: I think you have made a good choice of filter with Butterworth. It is the cleanest low pass filter ...
how do i start4/28/2008
  Q: i'm from africa and my hope is to become an aeronautical engineer in future but i don't have any ...
  A: Isaac You would not be the first to enter college without a formal education, but it is becoming ...
aerospace engineering and aviation4/23/2008
  Q: Hey, Ever since I was a kid I always loved flying. Here recently I have been taking flight lessons ...
  A: Austin An engineering degree is a great asset and would be important to getting a good job. ...
Ice melting4/22/2008
  Q: What is the best way to keep an ice cube from melting? What do i have to put in on? (sugar, salt, ...
  A: Diego This isn't exactly aero engineering, but I will take a shot at this. The best way to keep ice ...
e&c vs mechanical engineering for aeronautics4/19/2008
  Q: sir I am doing electronics and communication(e&c) engineering now and planning to do MS in ...
  A: Shonal I cannot speak for the education experience in your country (India?), but in the U.S. an ...
sat4/13/2008
  Q: good morning sir sir i am doing my +2 in india and willing to go abrod (usa)for my ...
  A: Srikala Here is a list of the best aero engineering schools in the U.S.: ...
wind tunnel blockage correction4/11/2008
  Q: We plan to measure the forces on a cantilevered cylinder in our wind tunnel. the blockage ratio can ...
  A: Hanfeng I suggest Low-Speed Wind Tunnel Testing by William Rae and Alan Pope, 2nd edition, John ...
about aeronautics4/10/2008
  Q: i am a student of fyjc science stream!!my age is 16 yrs.i wanted to know how to become an aeronautic ...
  A: To become an aeronautical engineer you must complete 4 to 5 years study in an engineering college. ...
Aeronautical Engineer Questions4/9/2008
  Q: How long was education duration for you for becoming an aeronautical engineer? Was it boring or ...
  A: 1. 5-1/2 years 2. It was fun. 3. Back in the sixties, it cost about $5,000 per year. 4. U. of ...
College4/9/2008
  Q: I always loved working with planes my whole life and want to get a degree in it, but i heard it ...
  A: When I graduated from high school, I entered Oregon State University engineering school and stayed ...
Aeronautical Engineering Careers4/8/2008
  Q: Ok, so I would like to ask you if you know of types of specialized Aeronautical Engineering jobs. ...
  A: Sorry Allison, if you really hate Algebra 2 you would hate to be an engineer. Engineers don't have ...
want to become astronomer4/7/2008
  Q: I had just given my tenth boards in india.I want to ask that which subjects should I go for to ...
  A: Anumeet For astronomy, you should study as much physics and math and chemistry as possible. ...
Aeronautical Engineering Careers4/6/2008
  Q: Ok, so I would like to ask you if you know of types of specialized Aeronautical Engineering jobs. ...
  A: Yes Allison, there are many specialized jobs that Aeronautical Engineers do, too many to list here. ...
DETAIL TO BECOME GOOD AERONAUTICAL ENGG.4/5/2008
  Q: I AM AN 15 YEAR OLD BOY. I WISH TO BECOME AN AERONAUTICAL ENGG. PLEASE CAN YOU EXPLAIN ME THE ...
  A: Atul I can only speak for the U.S. In this country, high school students with good grades in math, ...
Colleges and becoming an astronaut4/5/2008
  Q: I have been accepted to Embry Riddle- Daytona for engineering and to Purdue but I could not get into ...
  A: Corey Only Purdue can answer your first question. Once you get established in school, talk to one ...
wind tunnel corrections3/31/2008
  Q: what are the calculations used in solid blockage,wake blockage,tare and interference ...
  A: Jai Books have been written on this subject, which is much too broad for me to answer in detail. I ...
aeronautical engineering3/30/2008
  Q: how do yo use physics in aeronautical engineering and what education do you need.
  A: Angel Most engineering technical areas such as kinematics, dynamics, fluid mechanics, strength of ...
information3/27/2008
  Q: From which university in US can i pursue BS in aeronautics ,what is the duration of the course and ...
  A: Shalini Here is a list of schools in the U.S. offering Aeronautical Engineering: ...
Lift - mass deflection3/25/2008
  Q: I hope this question does not seem obscure. When an object moves thru the atmosphere, such as an ...
  A: Michael I am not sure of your question, but let me try to clarify a few things. The lift on a wing ...
Report3/25/2008
  Q: I am doing a report about Aeronautical Engineering and need to know what this job includes, how much ...
  A: Aeronautical Engineering involves research and development of aerospace products, especially ...
college and salary3/19/2008
  Q: What courses should I take if I wanted to be an Aeronautical Engineer and what is the lowest to ...
  A: In high school you should take as much math and science as possible. In college, you would enroll ...
Aerodynamics and mechanical engineering3/17/2008
  Q: I am 10 and home-schooled. I want to make a fan pack (like a jet pack)only with a fan to lift me. I ...
  A: Andrew I can't answer that without knowing something about your fan and how the air makes the fan ...
canard's overall efficiency compared to conventional aircraft3/16/2008
  Q: It does appear to me that pound for pound, horsepower for horsepower, that the canard designs ...
  A: Kim The canard has the advantage over the tail mounted stabilizer/elevator in aircraft ...
want to opt for aerospace engineering3/9/2008
  Q: Im a student persuing B.arch (architecture) degree from India and presently in 4th year. I always ...
  A: I am not sure about India, but in the U.S. architecture students only get a small sample of math and ...
Transfering to US from UK (Aeronautical Degree)3/4/2008
  Q: I am studying BEng Aerospace Engineering in one of the university in UK. I was wondering that UK has ...
  A: Possibly. But the only ones who can answer that definitively are the schools that you might be ...
Aeronautical Engineering vs. Aviation3/2/2008
  Q: I am a Junior in High School and am considering pursuing a career in Aeronautical Engineering but I ...
  A: Anthony In my opinion, the best pilot is an aeronautical engineer because he has the best knowledge ...
propulsion system for an uav3/1/2008
  Q: Sir, I am currently a third year mechanical engineering student in the University of Mumbai. We, a ...
  A: Sagar This is a nice system analysis problem. Given your mission requirements (airspeed, altitude, ...
aeronautical undergraduate colleges2/25/2008
  Q: My son is a senior in high school and he hopes to become an aeronautical engineer. He also would ...
  A: I see that Embry Riddle (ER) was only ranked against schools that offer the bachelor and master ...
How to be an aeronautical engineer in Canada2/25/2008
  Q: We are Burmese-Canadians, currently residing in China. My son is in grade 10 at Nanjing ...
  A: Thida Your son needs to take as many math and science classes as possible since that is the essence ...
aeronautical undergraduate colleges2/25/2008
  Q: My son is a senior in high school and he hopes to become an aeronautical engineer. He also would ...
  A: Debbie There is no hard and fast rule about school choice, but my experience is that it is very ...
Adission for M.S. in abroad2/24/2008
  Q: I am studying 3rd year B.E. in Aeronautical Engineering at India. I wanted to know what are the best ...
  A: Here is a list of the top aero engineering schools in the U.S.: ...
A.E schools and employment.2/19/2008
  Q: Soderman, I am currently enrolled in a top Aviation school in Florida and the cost is absolutely ...
  A: Mona The choice of school is a very personal thing that includes not only the excellence and ...
A.E schools and employment.2/19/2008
  Q: Soderman, I am currently enrolled in a top Aviation school in Florida and the cost is absolutely ...
  A: Mona I think that is basically true - a good solid bachelor degree can be obtained from many ...
Aeronautical engineering2/15/2008
  Q: I am interested in pursuing a career in aeronautical engineering . is it a good career choice ? i am ...
  A: Rohit It is an excellent career choice, and you have an excellent chance since your English ...
Jet fuel1/31/2008
  Q: Paul, what would be the difference between kerosine and JP-4? Thankyou. Rob
  A: Not much since JP-4 is 50% kerosene and 50% gasoline. JP-4 has a slightly higher heat value: 43.8 ...
Internship @ NASA1/30/2008
  Q: I am a senior M.E. major applying for a position in NASA's undergraduate student research program ...
  A: I offer the same answer to this question I gave recently that I got from my former colleague Ken ...
Internship @ NASA1/30/2008
  Q: I am a senior M.E. major applying for a position in NASA's undergraduate student research program ...
  A: Sam What a nice project. If I were reviewing your essay, I would hope that you touch on two key ...
aircraft brakes1/11/2008
  Q: do you have any information on how aircraft brakes are produced and designed, what materials are ...
  A: Jonathan I have had only one other brake question. Here is my answer which may be of help to you ...
Aeronautical Engineering12/29/2007
  Q: My son wants to study aeronautical engineering for his BS degree. He is about to finish his high ...
  A: Tim Your son has some nice choices. Those are all excellent schools I believe. I worked with ...
after completeing aeronautical B.e12/27/2007
  Q: I will be completing my aeronautical engineering next year...and i want to take airlines management ...
  A: Sorry, I have no first hand knowledge of airline management. I assume these are the people who ...
need advice12/20/2007
  Q: sir,I have just completed my gce o & a levels.if i get a b.e degree in mechanical engineering ...
  A: Kratu To get a definitive answer to your question, you must examine the entrance requirements of ...
need advice12/19/2007
  Q: sir,I have just completed my gce o & a levels.if i get a b.e degree in mechanical engineering ...
  A: Kratu I have no idea what gce o & a represent, and I am not sure what a b.e. degree is. In this ...
boeing series12/13/2007
  Q: we know that the Boeing series of planes.. Boeing 747, 757, 787.. etc.. can anyone tell me.. what do ...
  A: Krupa Consider B747-100 or A310. It is mostly marketing. B stands for Boeing (it used to stand for ...
enquiry12/9/2007
  Q: i am a graduare of mechanical engineering in nigeria i want to know if i could do a masters in ...
  A: Iwarimie Yes, I assume you could study for a masters in aero engineering. You would need to examine ...
which is the best combination12/8/2007
  Q: How are you Sir?First of all i want to inform you that this is going to be a long question but ...
  A: Leaanmark You can earn a degree in Mechanical or Aeronautical Engineering or a degree in each. I ...
Wind Tunnel contraction12/4/2007
  Q: Paul, I am a postgraduate student in the Mechanical Engineering Department of Trinity College ...
  A: Shane I punted your question (American football term, sorry) to my former NASA colleague Ken Mort, ...
education12/1/2007
  Q: I graduated USMA in 1988 with a BS in engineering - I am now 41 years old and want to resume my ...
  A: Christopher Depending on what basic courses you feel you need, you might try a junior college. ...
Aeronuatical Engineering11/30/2007
  Q: i am in 12th grade and am trying to explore a new field. Aeronautical Engineering seemed interesting ...
  A: Mike Aero Engineers study lots of math and science in engineering school. The early years are ...
names of aircafts!11/28/2007
  Q: ! Sir, My question to you is ,,what is the significance behind the naming of different ...
  A: It is mostly marketing. B stands for Boeing (it used to stand for bomber), A stands for ...
aeronautical engineering11/25/2007
  Q: "how much physics do you need to be an aeronautical engineer? What kind of physics is it?"
  A: Sam Most engineering students took physics in high school and at least one year of classical ...
question on wind tunnel11/20/2007
  Q: i am 4th year mechanical engineering student at institute of engineering, pulchowk campus, nepal. ...
  A: Santosh Those are very good questions. I recommend the book Low-Speed Wind Tunnel Testing by W. Rae ...
help11/17/2007
  Q: Sir i am doing my final school year and awaitin for my results, i am abit confused about my career ...
  A: Binoj I don't know anything about opportunities in South Africa, but generally speaking engineering ...
is it worth to spend tons of money on commercial piolet training in india.11/15/2007
  Q: respected sir, can commercial pilot trainig after 12th standard in india secure a good job easily? ...
  A: Varun I am an aeronautical engineer in California. I am not sure what the 12th standard is. I know ...
aeronautical engineering11/14/2007
  Q: i am 12th i am interseted in studing aeronautical engineering what are the entrance exams i had to ...
  A: Vishal I know of no entrance exams for aeronautical engineering, unless you are speaking of the ...
Aero Careers in US11/5/2007
  Q: Paul, I am US student and I will be seeking out a job in the Aero industry next year. Just so you ...
  A: Kyle Congratulations on getting this far. You are where I was 40 years ago, and it has been a good ...
aero engr vs aero science11/2/2007
  Q: How would you explain the difference between aeronautical engineering versus aeronatical science to ...
  A: Aeronautical engineering is a profession dealing with the design and development of aerospace ...
Aeronautical engineering Course11/2/2007
  Q: Hon'ble Sir, It is my great privilege to ask you sir. Now I am studying in 12th Sc. and thereafter I ...
  A: Ms. Swati Vyas Sorry, I know nothing of the Indian education system. Let me repeat that for the ...
boeing 737-800ng10/31/2007
  Q: why is it that flaps 15 on the Boeing 737-800ng adds 10 knots to the Vref and none of the other ...
  A: Kelli Your question is a little unclear. Are you asking me if 737-800 flap 15 adds 10 knots to the ...
Subjects10/30/2007
  Q: Im a 13 year old in grade 8. Next year I'll be choosing my GCSE subjects and I have considered a ...
  A: Neamah For engineering, you want to study as much math and science as possible. From your list, I ...
Aeronautics Engineering10/29/2007
  Q: My son is studying now in the secondary school. Next year he can eligible for Engineering College. ...
  A: Mangaldasan Being American, I am not familiar enough with Canadian schools to recommend one, but I ...
Flight10/26/2007
  Q: I understand that when a plane is flying, lift is created by the air rushing over the top of the ...
  A: Jim You are correct - lift is created by high speed airflow over the wing upper surface, which ...
study aeronautical M.S.degree10/22/2007
  Q: respected sir, my son is going to complete bachelor degree in mech.engineering.he wants to do M.S.IN ...
  A: Ramachandran Here is one list of the best universities in the U.S.: ...
Chinook Lycoming 712F Engine10/22/2007
  Q: Ordinarily, the Lycoming 712F engine has a maximum N1 of 107%; however, as the outside air ...
  A: Ian I am an aerodynamicist, so I cannot answer your question definitively. However, I would assume ...
Helicopters in vacuums10/21/2007
  Q: If you put a small, radio-controlled helicopter inside a big enough vacuum chamber, would it be able ...
  A: Pete Assuming the helicopter had an electric motor, the rotor would turn, but the helicopter would ...
Query regardinf M.S/M.E in Aerospace Engineering10/17/2007
  Q: Respected Madam, My name is Kapil and I am writing this email from ...
  A: Kapil I am not a madam. Nor do I know if you are qualified for graduate work in an engineering ...
aeronautical engineering studies10/13/2007
  Q: respected sir, i am a student from nepal and i aspire to become an aeronautical engineer. right ...
  A: Dipesh I don't know what schools would be good for you, but this website lists the best engineering ...
information10/10/2007
  Q: Sir, I am about to start my aeronautical engineering, I just want to ask that is it a worthable ...
  A: Aeronautical engineering is a great profession with excellent opportunities. Will you get a ...
enquiry10/10/2007
  Q: I want to know that if somebody has done aeronautical engineering and want to join NASA what is the ...
  A: Check the NASA website for employment details. Basically you need a desirable skill, excellent ...
flight dynamics10/9/2007
  Q: Im a student who is pursuing a BE course in Aeronautics and i happen to come across on Porpoising ...
  A: Nirmal Porpoising is a vertical sinusoidal oscillation in an aircraft fligh path. This can be ...
MAV10/7/2007
  Q: sir, im a final year student of BE Aerospace at IST Islamabad, Pakistan. i need ur assistance in ...
  A: Waqa I don't see why not, others have one it. See: ...
aerospace10/7/2007
  Q: 1)like what is this topic "aerospace" all about? 2)is there any degree regarding aerospace?if yes ...
  A: Aerospace is a general term referring to the science and industry of air and space flight. ...
Induced Drag Momentum9/20/2007
  Q: I know the explanation of induced drag as the energy wasted in the vortices, which manifests itself ...
  A: Joseph Most aerodynamic problems are analyzed with a coordinate system attached to the aircraft, and ...
Induced Drag Momentum9/19/2007
  Q: I know the explanation of induced drag as the energy wasted in the vortices, which manifests itself ...
  A: Joseph I don't understand your questions completely, so let me explain what I think are the ...
AE in US requirements9/19/2007
  Q: I am getting out of the Marine Corps next years after 5 years,5 years that I have been out of high ...
  A: Justin I suggest finding a good junior college and taking as much math and science as possible. In ...
High School Engineering Essay9/7/2007
  Q: Soderman, I'm a sophomore in high school doing a report on Aerospace engineering. In our ...
  A: I am now retired,l but can answer your questions in past tense. a) Physics, chemistry and all the ...
aerospace undergrad FYP8/26/2007
  Q: I am a student of final year of Undergrad studies in aerospace engineering. i wanted to have some ...
  A: Irfan You are right - depending on your resources, designing, building and testing a rocket is a big ...
Graduate School8/23/2007
  Q: currently I am an undergraduate student in the Mechanical Engineering program at Stony Brook ...
  A: Yes Jessica, many companies and NASA especially will pay for graduate studies in return for a ...
Graduate School8/22/2007
  Q: currently I am an undergraduate student in the Mechanical Engineering program at Stony Brook ...
  A: but here goes. I never heard of a school requiring a student to apply for a research lab position. ...
Graduate School8/20/2007
  Q: currently I am an undergraduate student in the Mechanical Engineering program at Stony Brook ...
  A: I think graduate studies in Aero Engineering is a great choice, and I think the schools are making ...
aeronautical engineering7/29/2007
  Q: respected sir , welll .. im doin my 12th right now and want 2 b an aeronautical engg for the spring ...
  A: Udaya I'm not sure what you mean by scope for a course.... perhaps you could try some other words. ...
Reverse Thrust vs. wheel brakes7/23/2007
  Q: Does reverse thrust is mandatory in order to land a "big" aircraft (like a 737-800 or an A320), or ...
  A: Marcelo My understanding is that all commercial aircraft must be certified to land using brakes ...
enquiry7/23/2007
  Q: sir, is there any institute in india that offers an AERONAUTICAL ENGG. degree after 4 yrs of course ...
  A: Sandeep I know nothing of the Indian education system. I do know that you must be a U.S. citizen to ...
aeronautical engineering7/16/2007
  Q: My name is Kevin. I'm currently residing in Abu Dhabi,U.A.E. I'm planning to pursue my career in ...
  A: I think the opportunities for Aero Engineering are as good as ever. Check the Boeing (or similar) ...
Propellers7/13/2007
  Q: On a propeller if you were to add a blade but leave the pitch the same what effect would you see, ...
  A: Ken This is a difficult question to answer without more information about the propeller and mission. ...
Becoming an Aeronautical Engineer6/20/2007
  Q: I'm interested in becoming an aeronautical or aerospace engineer, and was curious about what I ...
  A: Geoffrey To be an aero engineer, in my opinion you need an MS degree in Aeronautical Engineering. A ...
Is eyesight a problem?6/10/2007
  Q: I know the procedure to become an aeronautical engineer. I am 16 years old. I am very much worried ...
  A: Kaylan Don't worry. In my country eyesight is not important to being an aero engineer as long as ...
Qualitites of Flying Machines6/6/2007
  Q: Paul. I work for a children's museum. I am developing an exhibit on flying machines (both aircraft ...
  A: I said that incorrectly. To fly you need shape and speed to provide lift, and you need thrust to ...
Qualitites of Flying Machines6/5/2007
  Q: Paul. I work for a children's museum. I am developing an exhibit on flying machines (both aircraft ...
  A: I like your list, but I would offer some modifications. A machine can fly if: 1. it is lighter than ...
Best angle of climb speed vs Best rate of climb speed6/1/2007
  Q: I would like to come back, if I may, to the question asked by Terry Taylor about best angle and best ...
  A: Patrick Sorry for this late resonse, but here goes. Consider a propeller aircraft climbing at the ...
calculating force of diff wind speeds4/26/2007
  Q: im writing a technical report on the design of some wind sails which I hope will catch the wind only ...
  A: Sheila - It is not clear from your description if your sails act more like parachutes or sailboat ...
Rising/falling pitch and volume of Aircraft4/23/2007
  Q: Why, when an aircraft approaches (far overhead), does the engine noise suddenly become audible, and ...
  A: Mark You haven't told me what kind of aircraft this is. If it is a propeller aircraft, many of them ...
Dart Drag Coefficient4/19/2007
  Q: I was wondering if you could tell me the typical drag coefficient of a tranquilizer dart.
  A: Mohammad - Sorry for the delay, but I have been doing a little literature search on your question. ...
Rising/falling pitch and volume of Aircraft4/15/2007
  Q: Why, when an aircraft approaches (far overhead), does the engine noise suddenly become audible, and ...
  A: Mark - I am not sure I understand your description of events perfectly. I believe you are saying ...
worried about4/15/2007
  Q: TO Mr Paul Soderman Thanks for taking the time to read this, well I'm a 16 years old Mexican and i ...
  A: Emmanuel Don't be worried. The best choice for a career is to find something that really interests ...
Undergraduate Schools on to Grad School4/11/2007
  Q: Paul - My son is currently a junior in HS and has done well enough in SAT test to be considered by ...
  A: Gary - MIT is a great school, but I would not hesitate to send my son to Cal Poly SLO. At NASA, I ...
Flight smoke4/10/2007
  Q: Always wondered why the Jet planes leave a long stream of smoke whiich is visible from the ground as ...
  A: Good question Mohan. What you are seeing is the wake of the airplane, which is a natural process ...
From Bachelor's in Engineering in Information Technology to MS in AeroSpace/Aeronautical Engineering3/22/2007
  Q: I did my Engineering in Information Technology from an Indian University however, I am intrested to ...
  A: It sounds like your math background is adequate, but one year of physics may not be enough science. ...
From Bachelor's in Engineering in Information Technology to MS in AeroSpace/Aeronautical Engineering3/22/2007
  Q: I did my Engineering in Information Technology from an Indian University however, I am intrested to ...
  A: Raj - Normally, entrance to an MS program in Engineering in the U.S. requires a BS in engineering or ...
propeler3/14/2007
  Q: I'm trying to build some kind of herb dryer, crucial part of it is a fan, and I need some formulae ...
  A: Nighthawk - predicting fan performance can be done, but it is a difficult process that requires a ...
Aerospace Engineering3/8/2007
  Q: I'm presently a first year student in Aerospace engineering at Penn State University in University ...
  A: Vaisakh - I can't think of a bad Masters program in Aero Engineering. In term of reputation, the ...
aeronautical engg.3/3/2007
  Q: i am a 15yr girl studying in 9th std.i have a keen interest in aeronautics.now,from 9th std, onwards ...
  A: Sorry Madhurima - I know nothing of your educational system. I do know that you have to get high ...
UAV2/26/2007
  Q: Paul, I am a grad student in Human Factors. Do you have any information on the current trend to ...
  A: George - All I know is that a friend of mine, Jim Pugh, is doing his PhD thesis in Switzerland on ...
Aeronautical engineering in American Universities2/13/2007
  Q: I am a Sri Lankan. My son want to study Aeronautical engineering Degree. He is a tennis player. He ...
  A: I am not sure, but I would imagine that some schools such as Stanford U. or U. of Southern ...
Related to Clutch2/11/2007
  Q: question is related to Automobile design but due to lack of auto design expert I m posing this ...
  A: Abhisek This is a little out of my field, but I assume that the moment of inertia of the test plate ...
Experts Needed for dissertation2/8/2007
  Q: Are the tecnologies involved with noise control result in aviation technicians to mantain component ...
  A: Janet Aircraft noise control components could be classified as either airframe or engine components. ...
Experts Needed for dissertation2/7/2007
  Q: I am a doctoral student at the University of LaVerne in need of expert participants such as ...
  A: Janet I am always willing to help a student, but I must tell you that I know nothing of aircraft ...
malaysian institute of aviation technology(miat) student1/18/2007
  Q: hye mr. paul soderman.my lecturer had gve me an assignment. what is the different between ...
  A: Aviation is a noun synonymous with aircraft systems or aircraft fleet. Aerospace is a noun that ...
Rocket_launch1/15/2007
  Q: Why are the rockets launched only in the morning? Does earth's momentum or atmosphere has anything ...
  A: Good question - launch windows. You can launch a rocket anytime you like, but rocket engineers like ...
Help!!!1/5/2007
  Q: Paul, I will be completing my Instrumentation engineering this June. I want to get into NASA.What ...
  A: Sid - you didn't mention your nationality. Assuming you are a U.S. citizen, you have as much chance ...
Aeronautical Engineering Colleges/East Coast11/28/2006
  Q: My son is to attend college for Aeronautical Engineering. Problem is that he can't seem to find (or ...
  A: If you do a google search on aero engineering university, you will find a bunch of them such as: U. ...
Wing design11/16/2006
  Q: When the first super-long haul jets came (1980's)in I noticed that they had vertical fins flicked up ...
  A: The vertical fins are called winglets. Winglets are designed to reduced aircraft induced drag by ...
math11/4/2006
  Q: is maths really important for aeronautical engineering?if yes what topics in maths are important? ...
  A: Yes Raunak - math is very important in all engineering fields. The topics include algebra, ...
requirements11/3/2006
  Q: i study in the UAE...doing my 12th grade(EDEXCEL board)...(n hope i am not too late) i wanted to kno ...
  A: Sorry Ryan - I don't know what AS or A levels represent. I'm not even sure where UAE is. Your best ...
do i need chemistry10/25/2006
  Q: i am going to go to grade 11 and wanted to decide my subjects. i just wanted to know if i needed ...
  A: Yes - Unless they have changed the rules since I was in college 45 years ago, all engineering ...
Mechanical engineering / Aeronautics10/21/2006
  Q: I am a mechanical engineering student, although I have a great interest in Aeronautics studies for ...
  A: Medarado Mechanical Engineering is fairly close to Aeronautical Engineering, especially if you take ...
helicopter lift?10/6/2006
  Q: Sir, Please I know zilch about everything. Can you tell me how much horsepower I would need to lift ...
  A: Chris - I don't know where to begin except to say that a helicopter is one of the most complicated ...
Winglets9/24/2006
  Q: Regarding winglets on transport aircraft, I have a question on maximum crosswind components. The ...
  A: I hadn't heard of this restriction on winglets, but it makes sense. Winglets are designed to ...
Porpoising9/23/2006
  Q: I have a couple of questions regarding aeronautics. I was wondering if u could answer them. Is it ...
  A: The type of porpoising that is dangerous for aircraft is pilot-induced-oscillation. That has been ...
advise in career.9/19/2006
  Q: I would like to enrich my knowledge in Aeronautics, Aeroacoustics, Noise Control, Muffler design, ...
  A: Ramon A good book on aeroacoustics is Aeroacoustic Measurements, Thomas Mueller editor (Springer). ...
Jet engine exhaust9/19/2006
  Q: When jet fighters are pouring on the thrust, the exhaust flame from the engine is conical with rings ...
  A: Mark A jet operating at design speed will not create shock waves. But when the pilot pours on the ...
What engine on a jet engine is critical? On a 4-engine9/16/2006
  Q: ·What engine on a jet engine is critical? On a 4-engine
  A: Maurice All engines are important, but a 4-engine aircraft can fly on three engines in an ...
aeronautical engineering9/15/2006
  Q: I found out about u from the internet. I myself am interested in the aeronautical engineering, and ...
  A: Ahmad I only know about American universities. Admission is based on high school grades, SAT ...
Flat Bottom9/14/2006
  Q: If the bottom of the car is covered and flat, will it improve its aerodynamics? Why?
  A: Yes, drag will be reduced because the turbulence and resistance caused by air flowing around the ...
aeronautical engineering9/13/2006
  Q: sir, i have qualified in aeronautical entrance examintaion test,got admission in a college and ...
  A: Go on line and check the course requirements for your school and major. I expect it will show lots ...
Max. CFM from a 25mm diameter fan.9/13/2006
  Q: I'm working on a project that involves moving air through a 25mm diameter pipe with a 75mm length. ...
  A: Bear I would buy a commercial fan used for electronic cooling of that diameter and modify it to work ...
Aeronautical engineering8/30/2006
  Q: What are the requirements for becoming an aeronautical engineer?
  A: A B.S. degree and, in some cases, an M.S. degree in Aeronautical Engineering (sometimes called ...
areonautical engineering8/28/2006
  Q: sir, Are Engineering Mechanics and Strength of Materials subjects important in areonutical ...
  A: Yes - aero engineers often design hardware for wind tunnel or laboratory tests that require analysis ...
areonautical engineering8/24/2006
  Q: sir, i am a student of B-Tech Mechanical engineering.In future i want to pursue Master of technology ...
  A: Sarat First, take all the fluid mechanic courses you can find. Then, any courses in control ...
principle of flight8/24/2006
  Q: Respected sir , please explain about boundry layer sepration?.
  A: Fluid flow along a duct or over a surface will be retarded at the wall by viscosity. The thin layer ...
Directional Control Valve Chatter8/22/2006
  Q: What causes chatter in directional control hydraulic valves? I have a four way, three position DCV ...
  A: Without details on your valve geometry and flow conditions, I can't be sure of what is happening. ...
aeronautical eng. education8/9/2006
  Q: I am helping my son research schools in aero eng. We would like information about how the schools ...
  A: You are doing a good thing - researching a school and career choice can remove a lot of uncertainty. ...
Careers in aeroacoustics8/7/2006
  Q: I have recently completed a PhD in aeroacoustics and am trying to figure out what to do next. Having ...
  A: I am not up on current job opportunities. Historically, the best aeroacoustic jobs were at Boeing, ...
aeronautical engeneerin8/3/2006
  Q: i've asked you question before as well. i need to know what are the future oppertunities after doing ...
  A: Hasna I have no idea how to answer your question. Is there an aerospace industry in Sri Lanka ? ...
Wind Tunnel Contraction Section7/28/2006
  Q: Paul, I was linked here through google while I was trying to find some info about wind tunnel ...
  A: The good news is that the flow will accelerate in your contraction. The bad news is that the test ...
Wind tunnel Wall corrections7/24/2006
  Q: while calculating the downwash correction factor for Agard-B model in low speed wind tunnel, the ...
  A: Farrukh My understanding of the curves is that the downwash correction factor in your case, delta, ...
My Career7/19/2006
  Q: I am an iranian student , living in South Africa and and i am an grade 12 student and i am looking ...
  A: I am not currently familiar with the job market. However, I would agree that jobs in aerospace are ...
Blade design7/11/2006
  Q: I am a flying instructor for the RAF. One of my students asked me why the ceiling fan in the office ...
  A: Ah James - you didn't like my economic analysis. OK - let's stick with aerodynamics mostly. To ...
keeping cold7/10/2006
  Q: It is just that i have to have it written up and in school tomorrow and i was not sure whether i was ...
  A: Wow - Liverpool, home of the Beatles (I think) - my favorite group when I was in college. OK - that ...
Lift produced by circular building7/9/2006
  Q: I'm planning on building a structure on my property in order to provide a shaded area for barbequing ...
  A: I understand you already bought the steel ring. OK - all is not lost. First off, my assumptions in ...
Strange Flight Idea (is it possible?)6/22/2006
  Q: This might seem like a strange question, but I have to ask. As you will be able to tell my ...
  A: Sean This is not a strange question. Both NASA and the Japanese have built and tested ...
subjects6/10/2006
  Q: sir, i have qualified in an engineering entrance exam and wish to know what subjects an ...
  A: Mathematics, Newtonian physics, modern physics, chemistry, organic chemistry, kinematics, ...
Best Angle & Best Rate for jets6/3/2006
  Q: Please I'm needing the best definition to "Best Angle" & "Best Rate" for jets and all kind off ...
  A: Here is something I wrote on best climb angle and best rate of climb for propellers. I leave it to ...
the direction of drag around an aircraft wing5/19/2006
  Q: direction of drag and lifting forces on an aircraft wing? the flow patteren and pressure ...
  A: Lloyd By definition, aircraft lift is perpendicular to the fight vector and drag is parallel to the ...
turbo fan question help5/18/2006
  Q: im a mechanical engineer in the polymer sector by trade, but have been asked by by my nephew now ...
  A: As an aerodynamicist, I don't have much experience with turbomachinery and my jet engine book is ...
bank angle4/18/2006
  Q: i was wondering if you could tell me how to determine bank angles for large aircraft such as a 747. ...
  A: Sophia To determine bank angle, you have to decide what circular flight path you want to fly; i.e., ...
lift and drag during take off / landing4/18/2006
  Q: i'm a little confused as to how to calculate the coefficents of lift and drag during take off and ...
  A: The lift coefficient is: Cl = L/qS where L = lift , q = dynamic pressure = rho*V^2/2, S = wing area ...
Wind-tunnel Blockage Corrections4/6/2006
  Q: I have been researching into blockage corrections for wind tunnel testing; namely the "area ratio ...
  A: Carlo Wind tunnel walls produce numerous effects on wind tunnel models that are not found in ...
Carbon Fiber Aircraft Brakes3/20/2006
  Q: I'm a student of mechanical engineering and write my diploma thesis with topic wear and tear. I've ...
  A: Sorry Jan, as I mentioned in my answer I was quoting a brake expert at NASA Ames. So, I don't have ...
Automated Aircraft2/26/2006
  Q: I've just read an article in a paper that speculates by 2080's most of the british air force would ...
  A: One thing I have learned about newspapers and technology is that reporters (or speculators) tend to ...
School project2/21/2006
  Q: ------------------------- I'm sure you did, but I've been looking and I can't find it anywhere, so ...
  A: By the numbers: 1. I was a research engineer and Group Leader in a NASA research lab. Our primary ...
Wind Tunnel Contraction Cone2/9/2006
  Q: Paul, Thanks for the input. As you can tell this project was somewhat mismatched (and to think I ...
  A: I am not sure what a MAV is (micro air vehicle ?), but I think a scale of 1/12 should work well for ...
Wind Tunnel Contraction Cone2/9/2006
  Q: I stumbled across your question section at the website here and was pleasantly surprised to find out ...
  A: Sounds like an interesting project. I can't imagine a big difference between plexiglass and smooth ...
Calculate forces help for a dummie!1/25/2006
  Q: I am not an engineer and want to find out if there is an easy way to find the force required to push ...
  A: I can certainly have a try at it, but I cannot visualize the problem yet. What is trying to push on ...
Questions About Engineering For Project..1/12/2006
  Q: Here Are The Questions Mr. Soderman : 1.) How many hours do you work per week 2.) Is it possible to ...
  A: 1. I am now retired, but I worked for 37 years at 40 hrs/week unless we were in the middle of a ...
aeronautical engineering12/11/2005
  Q: i assume u must hav a degree in aeronautical engineering. do u like it? i plan on going into the air ...
  A: Sorry Jeremy, I answered this question two days ago, but it didn't get through for some reason. I ...
regarding fluid mechanics11/24/2005
  Q: may i know is fluid mechanics related to Aeronautical Engineering? and how does them related to each ...
  A: Yes, Tyrone - fluid mechanics is closely related to aeronautical engineering. Fluid mechanics is ...
aeronautics11/20/2005
  Q: i crave to become an aeronautical engineer.But i have shortsight & my power is -3D.Is 6/6 vision ...
  A: Good vision helps, but it is not a requirement for aeronautical engineering. A friend of mine at ...
Is Va only represent a positive Gs load?10/24/2005
  Q: Va (maneuvering speed) is determined by airpcraft model. It respresented the highest speed that a ...
  A: My pilot friend Mike Reinath provided this answer: Well, I think he is asking about stall at ...
Fan-blade pitch10/14/2005
  Q: My question is with regard to the pitch of the lift fan in my hovercraft. I am using the MultiWing ...
  A: Sorry Yahaya - My reply was blocked by a KOA campground firewall I believe. I am on vacation. Here ...
Fan pitch10/11/2005
  Q: I learnt a lot by reading your various answers to questions posted by people who wants to know more ...
  A: I apologize for being late with my reply as I am on vacation and just found your message. I am also ...
AIRCRAFT STEEP TURN9/22/2005
  Q: Good Day! My question is related to fighter jets. When these jets e.g. F-16 make a steep turn or ...
  A: Good question. Natural flow visualization around aircraft can be caused by a number of phenomena. ...
Questions9/16/2005
  Q: I was wondering if I coud ask you a few questions. 1)How long do you need to go to school to obtain ...
  A: 1) An engineering degree takes 4 or 5 years to obtain (5 is more common). An MS graduate degree can ...
Colleges9/14/2005
  Q: I am helping my son begin a search for colleges on the West Coast-Rocky Mountain region that offer a ...
  A: The only school that I am sure offers a BS in Aeronautical Engineering (aero) is my alma mater U. of ...
Pitot Tubes9/13/2005
  Q: I was looking at the diagram of a pitot tube on the Nasa website. I think that i could make one in a ...
  A: At the low speed of most wind tunnels, air is almost incompressible. So the density in the test ...
Pitot Tubes9/11/2005
  Q: my name is Sam Logan and at present i am enrolled in the IB Diploma course. As a requirement I must ...
  A: There are a number of ways to measure wind speed. One can use an anemometer with spinning cups or ...
electrical engineering:canada9/5/2005
  Q: heloo sir, im pinak an aspired electrical engineering student. im about to go to canada for doing my ...
  A: I'm sure there are excellent engineering schools in Canada. Electrical engineering can be difficult ...
EXPLANATION OF WORDS AND PHRASES TAKEN FROM THE BOOK "BORN TO FLY",by Michael French9/4/2005
  Q: Can you please explain the following words and phrases, taken from the book "BORN TO FLY,by Michael ...
  A: Good questions. I am trying to improve my French and sympathize without your quest for perfection ...
aeronautical engineering8/27/2005
  Q: i am a 16 yr girl studying in 10th std in bahrain.i like aeronautical engineering.i want to take ...
  A: I am sorry, but I live in California and know little of schools in India. But I do know that you ...
General Question about the Field8/22/2005
  Q: I am 27 years old and I am considering a degree in aerospace engineering. I have a question that is ...
  A: John I wouldn't worry one second about age discrimination in your situation. The maturity at 31 ...
correct institute and degree for bright career5/24/2005
  Q: sir i have completed my 10+2 in Kendriya Vidyalaya in Hyderabad in India.Now i am loking for an ...
  A: Durlav Congratulations on your choice of professions. I found aeronautical engineering to be a very ...
subjects i need to study in 11th standard5/2/2005
  Q: i am nikhil madaan from india.Sir can you please tell what subjects i need to study in 11th standard ...
  A: I am not familiar with the Indian education system, so I don't know what the 11th standard is. ...
Airspeed changes, Best Angle, Best Rate4/30/2005
  Q: I did a Google Search and came up with this site. Thank you for this opportunity. I'm an airline ...
  A: You mention two types of airspeeds without clarification. If I understand correctly, you are ...
Little sticks on an airplane's wing (and tail)4/21/2005
  Q: Whenever I fly I've noticed little sticks on an airplane's wing and on the tail. What are they? ...
  A: It looks to me like those on the wing are electro-static discharge rods that bleed static charge ...
shock waves4/17/2005
  Q: I became interested in shock waves after seeing a picture of an F-14 creating some kind of cloudform ...
  A: Yes Jeff - any object moving at or above the speed of sound will create a shock wave. It doesn't ...
Air Force One4/10/2005
  Q: Don't know if this is your department or not, but here goes.... Does Airforce One have any sort of ...
  A: Bob Air Force One is a very special plane. It has such things as counter measures to defeat air ...
Design of a non-powered glider2/27/2005
  Q: Sorry to bother you again. But i just cant seem to get the iteration formular right. Is it possible ...
  A: OK - you have airfoil shape, span, airspeed, and payload. Pick a chord. Compute area and weight. ...
What after aeronautical engg (UG)....2/27/2005
  Q: Sir, I want to know more on the aeronautical engineering studies. What are the further ...
  A: Justin In the US, the first degree is the B.S. in engineering, but the M.S. is highly recommended ...
Design of a non-powered glider2/26/2005
  Q: I have asked about the jettison of the engine the last time round, and now i faced another ...
  A: Ngoh You must include the induced drag in your calculation since it can be quite large. Once you ...
Scramjet Lift Coefficient2/21/2005
  Q: I was wondering what the lift coefficient of a scramjet would be. I'm thinking about the new X-43A ...
  A: Mandeep You haven't told me what flight condition you are considering. In cruise, lift coefficient ...
Jettison of Engine2/15/2005
  Q: I am a student studying for a diploma in Singapore. I have heard that a civil airplane can jettison ...
  A: I know of no aircraft that can jettison it's engines in flight. The complications of safely ...
Muffler design1/24/2005
  Q: Sir, 1)can you highlight some basic fundamentals involved in muffler design? 2) can you suggest some ...
  A: Srivatsan There are many type of mufflers depending on the noise problem to solve. For common ...
Aeronautical engineering1/19/2005
  Q: I am completing a report on Aeronautical Engineering and would like to know what exactly ...
  A: Sorry Tova I have been away from my computer. Aero engineers do research and development of ...
asking about aerospace engineering and auronautical engineering12/29/2004
  Q: helo sir my name is swapnil from india (nagpur) i m in final polytechnic(diploma) in computer ...
  A: With your background you could be a computer programmer in the aerospace industry. But if you want ...
Vibration12/27/2004
  Q: Can u plz tell me that what are the effects of fuselage and engine on vibration characteristics of ...
  A: Fuselage and engines have everything to do with vibration of an aircraft. Imagine a beam with an ...
aeronautical engineering12/26/2004
  Q: which university should i study after my tenth? i am having a bit of squint eye but i am wearing ...
  A: I don't know what university to recommend, since I don't know what country you want to study in. As ...
Wind Screen12/14/2004
  Q: Paul, You may remember me from the ReSound program to develop a small wind screen for a ...
  A: How nice to hear from you. I'm glad someone remembers that good work we did. As I recall, the ...
New Aviation and Space Science Olympiad for Africa11/24/2004
  Q: Request for assistance. The NYDT, based in Pretoria, South Africa, does career path development in ...
  A: Sorry, I was out of town when you sent this message and I forgot to sign off. Anyway, I would be ...
airliner engines11/16/2004
  Q: A friend and I were commenting the other day how it is very rare to hear about an airliner gliding ...
  A: Fortunately, unpowered landings of commercial transport are rare nowadays because of the redundancy ...
ducted fans11/13/2004
  Q: I am building an airboat,I'd like to use a ducted fan instead of a propeller. I've read up enough to ...
  A: GC You are asking for technical details that are outside my expertise. I recall a few generalities ...
ducted fans11/10/2004
  Q: I am building an airboat,I'd like to use a ducted fan instead of a propeller. I've read up enough to ...
  A: Guy It is difficult to answer your question without knowing anything about your design ...
Wind Tunnel Measures11/10/2004
  Q: I am a seventh grader doing a science project for school. I am testing the effects of different size ...
  A: That is a very good question. Drag measurement is very important in wind tunnel research; real wind ...
Aeronautical engineering as career11/8/2004
  Q: I am a 16 years old girl, studying in INDIA (delhi). I want to take up aeronautical engineering as ...
  A: The aerospace industry is somewhat depressed right now because of fuel costs and economic problems ...
aeronautical engineering entrance examination10/28/2004
  Q: hai_i am studying 12 th std i am interested tostudy the aeronautical engineering course . i want ...
  A: I am not sure if you are referring to an aeronautical engineering course in India or the U.S. If it ...
reverse motion10/13/2004
  Q: I'd like to know how commercial planes leave the park. Do they use reverse thrust or is it the ...
  A: Commercial aircraft are pushed back from the gate by a ground vehicle that pushes on the the nose ...
What is the best way from keeping an ice cube from melting?9/14/2004
  Q: What container could i make to slow the process of ice melting?
  A: Any high insulating material formed into a container would work such as styrofoam. A really exotic ...
thrust5/30/2004
  Q: My question is,at what point in the exhaust slipstram of a stationary fan or jet cease to be thrust ...
  A: That is a good question. As far as the fan or jet engine is concerned, thrust occurs at the ...
career in aeronautical engineering5/30/2004
  Q: i write from kerala in india doing my +2 and wish taking up aeronautical engg next year. i know what ...
  A: I can't answer your first question because I don't know what a cbse 10th grade exam is. Suffice it ...
The building of a efficient flywheel5/12/2004
  Q: I submitted to you yesterday a question about the building of a 'Flywheel'. ...
  A: Sorry I mistook you for another student looking for an easy homework answer. Flywheels is a very ...
ducted fan blade design4/29/2004
  Q: I'm working on designing a ducted fan for large scale model use and I wanted to know what airfoils ...
  A: You asked a tough question. I understand that modern fans now have three-dimensional blade design. ...
Aeronautics3/11/2004
  Q: I have a whole stack of questions, help with any of the following would be great, thanks! I was ...
  A: but that was 40 years ago. Here is what I remember. 1. Handling quality refers to the response of ...
Career11/5/2003
  Q: I am 16 years old living and studying in India at Mumbai.I got 92% in my icse Board examination(All ...
  A: Imran You ask a difficult question because a career path is a very personal venture. I can only ...
Studies in Aeronautical Engineering.9/20/2003
  Q: I am a Civil Engineering graduate and presently working as a software programmer for a CAD software. ...
  A: Raj I have no idea about financial assistance, but there are many good Aero Engineering schools ...
Carbon Fiber Aircraft Brakes8/14/2003
  Q: I am a 50 year old airline pilot. My dilemma: I fly the B767 and B757 series aircraft, the B767s ...
  A: Rick I finall got an answer from a lady who is a carbon fiber expert. You asked a tricky question, ...
Propeller design7/9/2003
  Q: I see many different aircraft propeller designs. Naturally there are advantages with fixed blade ...
  A: Chris Propeller design is complicated by the many variables involved. But lets consider some ...
Lift,does it make things go up?6/28/2003
  Q: This is a kind of nutty question maybe but,if you have two wings facing each other,(attached to the ...
  A: Yes, if you blow air over a wing you will get lift (and drag and pitching moment). In principle, ...
Turbulence and Airplanes5/25/2003
  Q: How do pilots know of an incoming turbulent air? What instruments detect these signs? Can you ...
  A: That is a very good question Bryan. NASA has been trying to figure this one out for some time. ...
fluid mechanics1/24/2003
  Q: I guess you are familiar with boundary layers, and here's myHow can the shape of cumulus clouds tell ...
  A: I am familiar with boundary layers, but most clouds are out of the earth's wind boundary layer, ...
Ram jets1/7/2003
  Q: I was wondering if you could help me - i am thinking of designing a small model ram jet. - about 4" ...
  A: Scott A ram jet has relatively few, yet critical components. Since ram jets are designed for ...
Hot air balloon ascending rate11/18/2002
  Q: I'm developing a hot air balloon simulation program for my research project and thus, I need to ...
  A: Wong This is a tricky question depending on the detail you want to get into. There are many ...
Distance and Degrees9/10/2002
  Q: Given: A golfer putts a ball 18.0 ft at 60 degrees north of east, and then putts the ball 6.0 ft at ...
  A: Courtney I don't usually do homework problems, but this is simple vector summation, so I had a go. ...
Submarines5/19/2002
  Q: I am attempting to help my 6th grade daughter write a report on how a submarine works. I have been ...
  A: This is a little out of my area - I work with aircraft rather than submarines... but they are ...
Petrol Quility4/13/2002
  Q: What tern was given for measurement of quality of petrol What sort of engines are 4 stroke, 2 ...
  A: I'm not sure what you mean by quality. Heat value is most likely what you mean. It is measured in ...
Airplane Crashes3/14/2002
  Q: Why can't manufacturers put a large parachute on each wing tip and one on the tail section that ...
  A: Well, Rodney, that is not a terribly bad idea, just impractical. Before I explain why, in fact some ...
HELP HELP HELP!!!3/9/2002
  Q: Hey there... My name is Kirsty and I'm in a bit of a pickle... I am studying engineering subjects at ...
  A: OK Kirsty, don't despair. There is plenty of time for that later. Meanwhile, we need to break your ...
in situ calibration3/6/2002
  Q: I'm not sure that you can help me, but maybe you can point me in the correct direction. Im doing ...
  A: If you contact Dr James Bell at NASA Ames Research Center ( jhbell@mail.arc.nasa.gov, 650-604-4142), ...
Aircraft skin1/23/2002
  Q: I would like to know the thickness of aircraft skin and if it could be cut into strips and ...
  A: Cam Those are tough questions. I can only guess that aircraft skin is around 1/32 inch thick ...
Model plane muffler design1/21/2002
  Q: Do you have any thoughts on design of a simple muffler system for my engine. It is a 100 cc boxer ...
  A: My first thought would be to look for a commercial muffler. There must be designs on the market for ...
Best rate and angle of climb?3/29/2001
  Q: Soderman, I am currently a student at Southern Illinois University studying Aviation Flight and ...
  A: I am not quite sure what your question is unless you merely want some comments on propeller aircraft ...
mir physics3/22/2001
  Q: With the Mir satellite hurtling to earth, I'm wondering why we didn't decide to send it out into ...
  A: Yes, exactly. space stations only have enough thrust to maneuver and slightly increase their orbit ...
A novel gas burner2/18/2001
  Q: Excuse me, but this is rather long and takes some explanation. I have run into the problem of ...
  A: Bruno You need the speed of the detonation wave in the tube. A good discussion of this can be ...
Question?1/29/2001
  Q: Im a freshmen currently attending Hampton University and I have a few questions to ask you, if you ...
  A: Michael - I may have answered this twice, or I may have clicked the wrong button and it went ...
What are pressurized airplane...1/14/2001
  Q: What are pressurized airplane cabins?
  A: Pressurized airplane cabins are the passenger compartments of aircraft that are sealed and ...
reverse thrust12/30/2000
  Q: Please could you explain how reverse thrust actually slows a jet aircraft down when it's deployed on ...
  A: You are right. Heavy, curved cowlings deploy in the jet exhaust such that the jet flow is ...
Temperature measurement11/15/2000
  Q: I am a university engineering student doing my final year thesis. I am constructing a nozzle flow ...
  A: The only way to measure static temperature in a pipe would be to have a thermocouple mounted flush ...
Blade design10/29/2000
  Q: I am doing a final year project of B.E Mechanical Engineering on " Design and fabrication of a ...
  A: If I understand, your question is - along what line should a wind turbine blade be twisted ? I ...
aerodynamics and angular momentum10/17/2000
  Q: I have a physics problem that has been bothering me. When you throw a flat (symetrical) disk why ...
  A: OK - this can be tricky, but let's go step by step. First, a spinning disc has angular momentum ...

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