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Re: [Spridgets] calculating speed

To: "David Lieb" <dbl@chicagolandmgclub.com>
Subject: Re: [Spridgets] calculating speed
From: "Jim Johnson" <bmwwxman@gmail.com>
Date: Sun, 19 Oct 2008 00:29:15 -0500
Aw c'mon, David. You're taking all the fun out of this by introducing
reality!  Here we are quibbling over measurements in the 10 to the minus 5
category and you throw a bucket of "to the nearest inch" on us!!  You're a
Spoil Sport!

Cheers!!
Jim

On Sat, Oct 18, 2008 at 10:16 PM, David Lieb <dbl@chicagolandmgclub.com>wrote:

> My engineering background tells me Dean and Duncan are on to something.
>> There will definitely be some tire circumference growth which changes the
>> tire diameter making it larger at higher speeds....  Where am I going
>> wrong
>> with that thinking?  ;-)
>>
>
> In that case, Jim, You should have made your peace with the concept of
> scientific notation. If you are measuring circumference to the nearest inch
> and indicating rpm as "7000", etc., the variations introduced by "tire
> growth" and slip are not significant to factor in. Bear in mind that the
> original inquiry simply wanted an idea of roughly how fast they would be
> going, not that they were going to set their atomic clock by it. If they
> wanted real info, they would install a SigmaSport bicycle speedometer and
> KNOW.
> David Lieb
>



-- 
Cheers!!
Jim
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