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From: Barry Irick <scrocks-at-sbcglobal.net>
Subject: RE: speed formula [TANKS]
Date: Wed, 30 Aug 2006 19:07:26 -0700 (PDT)
Reply-To: tanks-at-rctankcombat.com
ok, is there a simple "formula" to calc. approx. speed/rpm/sprocket dia. relationship?

Robert Bottomley <rbottomleysr-at-dslextreme.com> wrote:
Brendan,
A 4.5 inch sprocket turning at 650 rpm would push your tank along at over 9
miles per hour. That is fast for a model tank and would be hard to keep up
with.
Bob