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From: rimey@ucbernie.BERKELEY.EDU (Ken &)
Newsgroups: net.auto,net.auto.tech,net.physics
Subject: Re: auto tire pressures
Message-ID: <10703@ucbvax.ARPA>
Date: Fri, 18-Oct-85 07:23:53 EDT
Article-I.D.: ucbvax.10703
Posted: Fri Oct 18 07:23:53 1985
Date-Received: Sun, 20-Oct-85 04:42:49 EDT
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Reply-To: rimey@ucbernie.UUCP (Ken Rimey)
Organization: University of California, Berkeley
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Xref: watmath net.auto:8501 net.auto.tech:44 net.physics:3391

>... Something is supporting
>the quarter ton or so of force against the contact patch of the tire which
>is not exactly a large area either--it's obviously not all air pressure that
>is supporting it, yet ...

Don't doubt so quick.  Calculate it.  Multiply the tire pressure (in pounds
per square inch) by the footprint size (in square inches).  You will get
a quarter of the weight of your car.

						Ken Rimey
						rimey@dali.berkeley.edu
						ucbvax!ucbdali!rimey