Re: Aggressive Driving

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Article #805

#805

From: Brandon Sommerville
Date: Mon, 13 Jul 1998 00:00

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Michael Zarlenga wrote:

>DPH (rally2xs@csi.com) wrote:
>: > >Speeding is based on the officers judgement. the reason that within 10mph
>: > >of the limit is usually not considered speeding is because at 70 MPH the
>: > >average non-calibrated speedometer reads 65MPH. Having a speedometer
>: > >calibrated is actually quite expensive for the manufactures, so they
>: > >generally only calibrate speedometers for law enforcement purposes.
>: >
>: > Even if you calibrate it, tire wear will change it.
>
>: Not enough to matter.  Maybe 0.3 percent.  Can't even see that on an analog
>: speedo.
>
>Tire wear can be as much as 1" on a 15" rim, that translates to 
>a circumference change of 6.6%.
>
>You estimate of error was off by more than 20X.

What kind of street tires have a half inch depth in tread?
-- 
Brandon

"Spooooooooooonnnnn!"

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From: grimrod@mindless.moc (Brandon Sommerville)
Subject: Re: Aggressive Driving
Date: 1998/07/13
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