[Land-speed] Tire Pressure

[Wester Potter]

Terry Nish and his crew chief Cec McRae are as careful as any racers I  
know but their liner crash several years ago was likely the fault of a  
failed wheel.  At the speeds liners are traveling you just can't be  
safe enough.  Rick is working from an engineer's standpoint as well as  
a racer's.  I'm glad he is thinking along the lines he is for wheels.   
Experience IS the best teacher.

Wes

On Oct 19, 2008, at 3:31 PM, John Burk wrote:

> Rick or anybody
>
> If a rim is not stiff or strong enough and it flexes or yields under  
> pressure what could happen ? Would it flex as it rotated and  
> eventually break ? Would the dia. of bead area increase and not  
> retain the tire as well ?
>
> John Burk
>
>> I will run the LSR tire at 90 to 100 psi, depending on the strength  
>> of the wheels, ANOTHER big part of the equation.  I wonder what  
>> force will cause the rim to distort
>> Since most steel wheels use DOT standard rims, I will try to find  
>> design requirements before making another set of wheels for the  
>> liner.  (which i have to do)
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