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Auto Racing/Questions Answered by Expert John Quarles
| Subject | Date Asked |
| Rear end torque | 5/14/2011 |
| Q: what is it about drag racing torque thats makes the front end lift off the ground when it takes off. ... A: Sorry, but your photo did not transfer. Feel free to email it to jgquarles@yahoo.com Several ... | |
| CAD programs | 5/14/2011 |
| Q: Hey, I was just wondering if there are any quality CAD programs out there that deal with with ... A: Sure ther are many. Most of them are reffered to as Computationa Fluid Dynamics, or CFD for short. ... | |
| Rear end torque | 5/5/2011 |
| Q: what is it about drag racing torque thats makes the front end lift off the ground when it takes off. ... A: Gene, I am assuming that we are still talking about Prostock 1/4 mile dragsters and not NASCAR. ... | |
| Application of Stats | 5/2/2011 |
| Q: I always see people inserting different stats into their computers like wind speed and track ... A: Hailey, The answer to your question is much more complicated than most might think. At this point I ... | |
| Rear end torque | 3/18/2011 |
| Q: what is it about drag racing torque thats makes the front end lift off the ground when it takes off. ... A: Gene, My apoligies for being so late in answering. Let's see if I can explain the physics behind ... | |
| Homeade Wind Tunnel | 9/21/2010 |
| Q: I am doing a science fair project for high school and was wondering if you had any knowledge on how ... A: That's a great question. It is possible...but for the size vehicle you are building it would ... | |
| FWD dirt track car steering setup | 3/30/2010 |
| Q: i got a 1992 honda accord dirt track car and im trying to figure out a way to help it in the turns. ... A: 1: Learn how to spell 2: Learn how to use good grammar After those two things you will be well on ... | |
| Aerodynamic Drag improvement in cars | 2/21/2010 |
| Q: I am a mechanical engineering student and I am doing a project requiring me to do research into ... A: The drag coefficient (cd) of a vehicle should not change with velocity since cd is a normalized ... | |
| 6hp | 2/9/2010 |
| Q: how many cc's is in 6hp(horse power)? A: Ryan, that is not a straight forward question as hp varies with rpm and engine design. But, a quick ... | |
| power weight ratio | 1/8/2010 |
| Q: some motorcycles have higher power to weight ratio than others despite having less net power. For ... A: The answer lies in the physics for the example. Power to weight ratio is one thing, but there are ... | |
| 85 monte carlo ss | 12/11/2009 |
| Q: i recently purchased my 85 monte carlo ss.the rear end is non posi and i would like to change it to ... A: Nathaniel, You 85 Monte Carlo sounds cool and I'm sure you will enjoy working on it. I have a 89 ... | |
| nascar | 12/1/2009 |
| Q: where can i find nascar tape the wider stuff they use on the race cars?????? A: I am not sure where the individual teams get their tape from. I do know several team members and I ... | |
| F1 Wind Tunnels | 10/19/2009 |
| Q: Which is the most sophisticated and technologically advanced wind tunnel in Formula One?? A: There are a few wind tunnels in Europe that actually tout themselves as an F1 Wind tunnel. This is ... | |
John Quarles
Top Expert on this page
Expertise
I can answer automotive aerodynamics questions concerning all forms of auto racing. I can also assist you in setting up and running wind tunnel tests. Most questions and testing involve: reducing aerodynamic drag, increase/decrease front/rear downforce, and radiator cooling flow.
Experience
I have been a wind tunel engineer for 30 years and have provided assistance to teams in various forms of auto racing.
Organizations
SAE
Education/Credentials
Bachelors degree from Southern Poly State University
Past/Present Clients
Cagnazzi Racing,
Downing Racing,
various stockcar teams,
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