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Re: tire size vs. rim size
Tires with different diameters...
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Nicolas Roman
Senior Engineering Consultant
North Miami Beach, FL.
Josh Ormsby
<josh@automationo To: [email protected]
nline.com> cc:
Sent by: Subject: tire size vs. rim size
owner-bmw@digest.
net
06/11/2001 09:32
AM
I don't meen to interrupt, but are you guys talking about tires with
different diameters, or similar tires on rims of different sizes?
That never was clear in this thread.
Josh
'85 e-30
At 08:43 AM 6/11/2001 -0400, you wrote:
>------------------------------
>
>Date: Mon, 11 Jun 2001 08:42:29 -0400
>From: [email protected]
>Subject: Re: how tire size affects tire wear
>
>if you can't see that, i am not explaining...
>
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>Nicolas Roman
>Senior Engineering Consultant
>North Miami Beach, FL.
>
>
>
>
> "Ron
>
> Buchalski" To: [email protected]
>
> <rbuchals@hot cc: [email protected]
>
> mail.com> Subject: Re: how tire size
> affects tire wear
> Sent
> by:
>
> owner-bmw@dig
>
> est.net
>
>
>
>
>
> 06/08/2001
>
> 02:44
> PM
>
>
>
>
>
>
>
>
> >Date: Thu, 7 Jun 2001 10:24:40 -0400
> >From: [email protected]
> >Subject: Re: how tire size affects tire wear
> >
> >At 10:06 AM 6/7/01 -0300, Joao T. da Costa wrote:
> >>>The contact patch is larger--otherwise there would be no advantage to
> >>>wider tires.
> >
> >>Hhmmm... isn't the contact patch of a 17 inch 245 series tire the same
as
>
> >>the contact patch of a 18 inch 245 series tire?
> >
> >NO IT IS NOT THE SAME... AN 18" HAS A LARGER CIRCUMFERENCE AND THEREFORE
> >THE CONTACT PATCH WILL BE LARGER IN THE LONGITUDINAL DIRECTION....
>
>What? Prove it!
>
>If you have two tires, both with equal width, and both on equal width
rims,
>
>the air pressures are equal, and the weight on that corner of the car is
>the
>same for both cases, why will a larger circumference make a difference in
>longitudinal contact patch?
>
>The size of the contact patch (square inches) will be the same. And, in
>this case, it will be the same shape, too.
>
>- -rb
>
>_________________________________________________________________
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