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Old 04-07-2008, 09:59 AM   #8 (permalink)
John_Mc
Platinum Member
 
Join Date: Aug 2001
Location: Vermont
Posts: 941
Default Re: Ground Pressure / Compaction

Quote:
Originally Posted by CurlyDave
This may come as a complete shock to you, but there is very little relationship between the psi in a tire and the ground loading.

The air pressure stiffens the tire sidewalls, which is what holds up the vehicle.

This seems grossly counterintuitive to anyone who is not a mechanical engineer, but it is true.
Actually, not a shock at all, since that's exactly what I was arguing to my friend with the tracked skidder.

John Mc
(Not a mechanical Engineer, nor do I play one on TV. I didn't even stay at a Holiday Inn Express last night. ... however, these references probably indicate that I've been watching too much TV, and could be suffering severe decay of brain function as a result)
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