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- John Quarles
Auto Racing/Expert Profile
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 in the area
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,
What do you like about this subject?
I just enjoy all types of racing. I could sit on my back deck and watch two ducks race across the pond...and be happy.
Average Ratings
Recent Reviews from Users
K = Knowledgeability C = Clarity of Response P = Politeness| User | Date | K | C | P | Comments |
|---|---|---|---|---|---|
| Hailey | 05/10/11 | 10 | 10 | 10 | |
| gregg morgan | 02/02/11 | 10 | 10 | 10 | Thanks for looking |
| bill | 12/02/09 | 10 | 10 | 10 | if he gets back to me with ..... |
| Jose Ramon Hernandez Cuello | 10/20/09 | 10 | 10 | 10 | Thank you very much for your prompt ..... |
Recent Answers from John Quarles
2011-05-14 Rear end torque:
Sorry, but your photo did not transfer. Feel free to email it to jgquarles@yahoo.com Several factors are involved (again, assuming that we are talking about dragsters): 1)at the starting line..
2011-05-14 CAD programs:
Sure ther are many. Most of them are reffered to as Computationa Fluid Dynamics, or CFD for short. Unfortuantely for the novice racer these CFD software packages are expensive and require both a high power
2011-05-05 Rear end torque:
Gene, I am assuming that we are still talking about Prostock 1/4 mile dragsters and not NASCAR. Fortunately I have been a part of a National Championship NHRA team and for once in my life I might know
2011-05-02 Application of Stats:
Hailey, The answer to your question is much more complicated than most might think. At this point I will speak concerning drag racing and limit my answers to only what I know. The variables that are
2011-03-18 Rear end torque:
Gene, My apoligies for being so late in answering. Let's see if I can explain the physics behind front wheels lifting... 1) Driver steps on accelerator and lets out the clutch 2) Rear wheels begin
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