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Article #156

Re: Washington Post: Road Rage Cause

#156
From: P.J. Hartman
Date: Fri, 19 Feb 1999 00:00
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bryan <bryan@stuff.com> wrote:

>> Your car has 150hp.  Probably 135hp at the wheels.  The car weighs
>> 2780lbs (including a 150lb person).  Best case rough approximation
>> of the ET your car could get in the 1/4mi is 15.97s.
>> 
>> Check out http://www2.dsm.org/tools/calchp.htm
>
>what about torque and the cars aerodynamics?  don't those play a part? 
>I mean if you had a car with those specs but was a box shape its
>obviuosly going to be a lot slower.

Yes they are factors, but they are small factors.  

The good rule of thumb for acceleration through the 1/4 mile is:

	Horsepower / Weight ratio wins, as long as traction exists.


--
P.J. Hartman        hartman@tconl.com
Corvette, Talon, MGB, ZX-11, and Neon
    http://www.tconl.com/~hartman
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From: hartman@NOSPAM.tconl.com (P.J. Hartman)
Subject: Re: Washington Post: Road Rage Cause
Date: 1999/02/19
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