----- Original Message -----
From: "Jay Mitchell" <jemitchelltx@earthlink.net>
To: <evolution-discussions@yahoogroups.com>; <autox@autox.team.net>
Sent: Tuesday, February 21, 2006 12:14 PM
Subject: Re: [evolution-disc.] Statement from the Ft. Myers National Tour
Chief of Pr...
> Reijo wrote:
>
> > 45mph turns? Suppose you could do the math
> > and figure out what radius of turn that works
> > out to be at 1-1.1 g's......probably not too big.
>
> The formula for angular acceleration is A=v^2/r. Solving it
> for r (the turn radius) gives r = v^2/A. For 45 mph in a
> turn to cause 1.1g angular acceleration, the turn radius is
> 123 ft. Looked at another way, if you want to limit cars
> that can do 1.1g to 45 mph in turns, the maximum turn
> _diameter_ you can set up is 446 ft.
>
> Jay
Jay I think you meant to say 246 ft? That's still pretty large, nearly the
length of a football field.
400' diameter was the size of the skid pad Mark Donahue used to test
cornering capabilities of the cars he prepared for Penske.
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