Zero Vanagon content here, just a geek pi**ing contest seems to me - but
since you asked, lots of pure race cars run pressures in the 12 PSI range ie
Formula Ford & Formula Continental, and Formula One cars run about 15 - 16
PSI at 340KPH

Jake

On Mon, Aug 30, 2010 at 3:04 PM, Mike S <mikes@flatsurface.com> wrote:

> Don, water vapor *is* steam, or vise versa.
>>
>
> "Steam" is ambiguous. Most people think of steam as the visible water
> particles (liquid) which condense out when pure steam comes out of a
> tea kettle. But yes, the relative humidity in the air is steam (or
> water vapor), as is the water in a tire.
>
>
>  From racelinecentral.com (note this is for racing, not our kind of
>> driving:
>>
>>  Tire Temperature synopsis:
>>>
>>> Optimal temp range is between 190-240 degrees.
>>>
>> The boiling point of water at 13 psig is 246F -- slightly above
>> optimal range
>>
>
> What type of race vehicle runs at 13 psi, except those swamp things,
> where heat isn't an issue?
>
> From your source (racelinecentral.com):
>
>  NASCAR Winston Cup TRUE TIRE HISTORY...The tires are inflated around
>> 50 psi.
>>
>

--
Jake

1984 Vanagon GL 1.9 WBX 'The Grey Van'
1986 Westy Weekender/2.5 SOHC Suby 'Dixie'

Crescent Beach, BC

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