Hello All,
Once when trying to get a speedometer to read correctly I came to the
realization that the tires grow some at highway speeds due to centrifical
force. My careful calculation would never quite work out correctly until I
realized what was happening.
Regards,
Jim B.
----- Original Message -----
From: "Kevin & Deana Brown" <MGTRAutoXr@sprintmail.com>
To: "Larry Hoy" <larryhoy@prodigy.net>
Cc: "MG V8 List" <mgb-v8@autox.team.net>
Sent: Friday, February 02, 2001 11:20 AM
Subject: Re: Tire circumference
> Larry,
>
> No it doesn't because the tire is depressed slightly by the weight of the
car, the actual rolling circumference will
> depend on the air pressure in the tire. If you are trying to measure it,
either measure the radius from the center
> of the wheel to the ground and calculate the circumference or put a mark
on the tire and on the ground, push the car
> so that the tire roles one revolution and measure back to the mark on the
ground.
>
> Kevin Brown
> Larry Hoy wrote:
>
> > Does the measured circumference of a mounted and inflated tire equal the
rolling circumference of the same tire?
> >
> > Larry Hoy
///
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