Tyres sizes

[RandalPark@xxxxxxx]

I think someone mentioned it already, but it is worth noting again, that there 
is a very useful conversion chart in the front of the Coker Company catelog. It 
shows all tire sizes and their various equivelents.

Paul

In a message dated 12/20/2003 2:12:25 PM Eastern Standard Time, 
wilkerbeast01@xxxxxxxxxxx writes:

> 
> 
> Mel~
>  In the good old days, all you needed was the width (9.50 or "nine and a
> half inches") and the rim diameter (14 inches) Sometime in the '60s, they
> started using "aspect ratios", and metric measurements, where the width of
> the tyre from sidewall to sidewall (235 MM, for example) was multiplied by
> the aspect ratio ("78" would mean 78%, 70 is 70%, 60 is 60%, etc) and the
> rim size (Still measured in inches, usually)
> David C. Wilker Jr,
> USAF (Ret)
> 
> From: "Mel Wyshynski" <mvwyshy@xxxxxxxxxxxxxxx>
> Subject: IML: Tires
> Date: Sat, 20 Dec 2003 07:26:18 -0600
> Reply-To: mailing-list@xxxxxxxxxxxxxxxx
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> 
> Hello All
> 
> I note that one of the tire sizes offered for 1959 was 9.50 X 14.
> This omits the second number which is the height of the tire as a =
> percentage of the width.
> There must have been a standard at that time. I recall something about =
> the number 78 but???
> Would someone clarify this for me please.
> Thank you.
> 
> Mel
> 
> 
>