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[ihc] Tire RPM @ 70 mph

To: ihc@xxxxxxxxxx
Subject: [ihc] Tire RPM @ 70 mph
From: Joel M Brodsky <jmbrodsky@xxxxxxxxxxxx>
Date: Mon, 15 Mar 2004 17:38:46 -0700
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Reply-to: Joel M Brodsky <jmbrodsky@xxxxxxxxxxxx>
Sender: owner-ihc@xxxxxxxxxx

Jim,
just some rough numbers...
70 mph ~ 103 ft/sec
31" tire is  pi*D or 8.1 feet in circumference

103/8.1 = 12 rev/sec

or 720 rev/min.

I think you're okay.

JoelB

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