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About Marc Ebelini
(Top Expert on this page)

Expertise
Basis aircraft and engine maintenance. Avionics and other electronic questions related to computers and radio communications.

Experience
FAA licensed comercial pilot, A&P mechanic, former authorized inspector, ground instructor certified in aircraft, powerplant and radio navigation. FCC commercial license.

   

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

SubjectDate AskedExpert

Air Traffic Control Degree11/12/2009Christopher McKenna
  Q: I was thinking about majoring in aerospace engineer, but I'm also joining the Air Force. However, ...
  A: Actually, the particular degree is not so important, depending on a few things. If you have ...
Inspections11/10/2009Marc Ebelini
  Q: Marc, I'm confused about 100-hour & annual inspections. I recently purchased an aircraft and the ...
  A: Actually I answered your question. It's matter of semantics. As I mentioned the 100 hour inspection ...
Intermitted Transponders11/10/2009Marc Ebelini
  Q: Question re intermittent transponders: Set-up: There are two transponders installed in my plane, ...
  A: Sure a lot of info to digest. Since the problem started with the first transponder let's start with ...
Career in Aviation11/8/2009Dottie Norkus
  Q: I want to have a career in the civil aviation industry, and I was hoping you could provide some more ...
  A: Peter I think you are smart to be getting a degree in business and not an aviation specific degree. ...
Career in Aviation11/7/2009David A. NewMyer
  Q: I want to have a career in the civil aviation industry, and I was hoping you could provide some more ...
  A: Peter: It is nice to hear from you and I will try to assist you with your questions. First of all, ...
Career in Aviation11/5/2009Laura Laster
  Q: I want to have a career in the civil aviation industry, and I was hoping you could provide some more ...
  A: Let me preface my answer by saying that I have not been in aviation for that long (it's been 5 years ...
Inspections11/5/2009Marc Ebelini
  Q: Marc, I'm confused about 100-hour & annual inspections. I recently purchased an aircraft and the ...
  A: The annual and 100 hour are basically the same except that the annual requires an authorized ...
Microphone voltage10/29/2009Marc Ebelini
  Q: Does a typical aircraft radio supply voltage to the headset microphone? I have an electret mic that ...
  A: Originally the old aircraft radios used carbon mic's that used the voltage to excite the carbon ...
Air flight sounds9/16/2009Mark Janus
  Q: Does our stealth planes make noises when flying overhead? Thanx, Paul ANSWER: I can't say ...
  A: The stealth fighter is not that large.... you didn't say how fast it was going.... could it have ...
Air flight sounds9/14/2009Mark Janus
  Q: Does our stealth planes make noises when flying overhead? Thanx, Paul
  A: I can't say definitively, but I'm confident the acoustic signature has been considered in the ...
ATC / ATM9/9/2009Marc Ebelini
  Q: sir i m doing ME(AVIONICS). i want to do my project related to air traffic control / air traffic ...
  A: Sorry I am not an employment counselor but hope this gentlemen can answer your question. He is the ...
Future job intrest9/7/2009Marc Ebelini
  Q: I was considering going into Aerospace Engineering, But I mostly want to stay within the atmosphere, ...
  A: Hope this gentlemen can help you. He is the VP of Enrollment Management, Mr. Don Bishop at ...
Cause of a Cracked Intake Valve9/6/2009Marc Ebelini
  Q: Not too long ago, my dad's plane (a Cirrus SR22-GTSx G3 Turbo, if that helps) went in for its ...
  A: There can be many reasons for a cracked valve. To determine the exact cause would require additional ...
Which one should i become?9/4/2009Laura Laster
  Q: Just have these questions. Please help me. This year i am graduating and choosing college or ...
  A: Maybe, you can find a college or school in Japan that could tell you what qualifications are ...
Which one should i become?9/4/2009Laura Laster
  Q: Just have these questions. Please help me. This year i am graduating and choosing college or ...
  A: Well, an air traffic controller is not exactly an aviation engineer either. There are specific ...
Physical explanation of enthalpy9/3/2009Mark Janus
  Q: I have checked about a dozen sources and have not grasped the physical interpretation of enthalpy. ...
  A: Beyond its mathematical statement, enthalpy gives an alternate view of the energy of a system.. ...
Which one should i become?9/3/2009Laura Laster
  Q: Just have these questions. Please help me. This year i am graduating and choosing college or ...
  A: When you refer to becoming an aviation engineer - I am a little confused as to what you mean. In the ...
Which one should i become?9/3/2009David A. NewMyer
  Q: Just have these questions. Please help me. This year i am graduating and choosing college or ...
  A: April: Thank you for your questions, I will try to assist. I believe that you were confused about ...
windmills8/31/2009Mark Janus
  Q: I am trying to make a windmill. Please look at my sketch. Can you think of an answer to my two ...
  A: This type of windmill is called a Savonius design basically you don't have to let the flow go ...
windmills8/31/2009Marc Ebelini
  Q: I am trying to make a windmill. Please look at my sketch. Can you think of an answer to my two ...
  A: While windmills are not my thing I do know a little about aerodynamics. Your drawing is a little ...
Air pressures8/28/2009Marc Ebelini
  Q: I was wondering what are the comparisons of the pressure an astronaut experiences in space to that ...
  A: The pressures are opposite. At sea level an open gage reads "0" pressure when actually the pressure ...
Distance Study in MS in Avonics8/22/2009Marc Ebelini
  Q: I have completed my BE in Electronics and communication from India and i am presently working in a ...
  A: Hope this gentlemen can help you. He is the VP of Enrollment Management, Mr. Don Bishop at ...
MS in Avionics8/20/2009Marc Ebelini
  Q: I have completed BE in Electronics & Communication(2009) planning to pursue higher Studies in ...
  A: Hope this gentlemen can help you. He is the VP of Enrollment Management, Mr. Don Bishop at ...
Part 61 vs. Part 141 commercial traning8/14/2009Laura Laster
  Q: I am 37 years old and just received my instrument rating. My total flying hours are about 200. I ...
  A: Currently, I believe the regional airlines can hire as a first officer anyone with a commercial ...
Part 61 vs. Part 141 commercial training8/14/2009Dottie Norkus
  Q: I am 37 years old and just received my instrument rating. My total flying hours are about 200. I ...
  A: Andy I am glad to see these question were on your mind! You have been doing your homework I see. ...
Part 61 vs. Part 141 commercial training8/14/2009David A. NewMyer
  Q: I am 37 years old and just received my instrument rating. My total flying hours are about 200. I ...
  A: Andy: Thanks for your follow-up question..... The bottom line is that the proposal before Congress ...
Part 61 vs. Part 141 commercial traning8/8/2009Laura Laster
  Q: I am 37 years old and just received my instrument rating. My total flying hours are about 200. I ...
  A: Congratulations on having received your instrument rating! I personally went through a Part 141 ...
Part 61 vs. Part 141 commercial training8/8/2009Dottie Norkus
  Q: I am 37 years old and just received my instrument rating. My total flying hours are about 200. I ...
  A: Andy, I don't believe it matters which route you go and personally know very few pilots that went ...
Part 61 vs. Part 141 commercial training8/8/2009David A. NewMyer
  Q: I am 37 years old and just received my instrument rating. My total flying hours are about 200. I ...
  A: I will try to assist you. As far as airline preferences over time, I would say that the airlines ...
Aircraft Configuration8/6/2009Mark Janus
  Q: What are the advantages of asymmetric Aircraft in terms of forces and moments acting over them?
  A: Just off hand I'm not certain on any of advantages or disadvantages of an asymmetric design... it ...
King KX-155 Audio Out8/5/2009Marc Ebelini
  Q: How does this radio connect to a single ended audio panel? Can the LO signals be strapped to ground? ...
  A: With rare exceptions all electrical items should share a common ground. The ground is the reference ...
Mach 2 with open cockpit7/28/2009Mark Janus
  Q: Popular Science currently has an article about a SU-27 flying at Mach 2 with an open ...
  A: I would say it's hype... while being in the wake of an object provides some "protection", at Mach 2 ...
Gaskets7/27/2009Mark Janus
  Q: I'm not sure how a gasket works. From the pictures on this site, I really don't see how it can ...
  A: Consider for example you've developed a pipeline to pump a fluid... the pipeline must be built in ...
PTT trouble7/24/2009Marc Ebelini
  Q: I'm working on a radio install on an ultralight using a Vertex VXA-220. Basicly running an extension ...
  A: Let's get some info on the Radio. It appears to be a straight forward aircraft type system where an ...
PTT trouble7/23/2009Marc Ebelini
  Q: I'm working on a radio install on an ultralight using a Vertex VXA-220. Basicly running an extension ...
  A: I'll try to analyze your problem but not knowing the details of your equipment I will make ...
Aviation jobs7/22/2009David A. NewMyer
  Q: Respected Sir, I am pursuing Aeronautical Engineering from India. What are the job prospectus ...
  A: Rohit: Thank you for your question, I will try to assist. I am not as much of an expert in ...
Clouds, wet airplanes7/21/2009Dottie Norkus
  Q: how can and airplane go though a cloud and come out dry? due to a cloud holding water.
  A: There are some types of clouds through which an aircraft flies through and is doesn't come out dry. ...
what is future in aviation mangement?7/18/2009Laura Laster
  Q: .. i did my graduation in aeronautical engineering. and i want to study MBA in AVIATION MANGEMENT ...
  A: I don't have an MBA in Aviation Management, however I do work in business aviation as a flight ...
hypothetical flight scenario question...7/15/2009Mark Janus
  Q: This is a question my cousin came up with... I am thinking about how to solve it... --- If a jet ...
  A: What you've calculated sounds reasonable, except the circumference of the Earth is about 25,000 ...
Geometric Tolerancing in space industry7/15/2009Marc Ebelini
  Q: I was wondering how geometric tolerancing is used in the space industry. If you are unable to answer ...
  A: This question should be directed at NASA. In the mid sixties I remember attending a meeting where ...

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Questions by
Active Experts:
Cal TaylorMark SmithCapt Paul
Mark JanusLaura LasterDottie Norkus
David A. NewMyerMarc EbeliniChristopher McKenna
   

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