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Re: Ardun Blown Gas Roadster: Best Flywheel Weight for Maxton

To: land-speed@autox.team.net
Subject: Re: Ardun Blown Gas Roadster: Best Flywheel Weight for Maxton
From: ardunbill@webtv.net
Date: Mon, 10 Jun 2002 09:21:52 -0400 (EDT)
Hi Folks, further to this discussion, Dr. Mayfield has rightly pointed
out that a rotating crankshaft assembly would not have the same flywheel
effect as a flywheel of equal weight, because the diameter of the crank
parts is less.  The relatively large diameter of the typical flywheel
gives it much of its effect.  I recall that the early Ford Flathead V8
car flywheel for the 9" clutch had a thick heavy flange cast on its
outer diameter, which must have increased its flywheel effect (this item
weighed 39+ lbs), besides tending to shield the clutch from the oil that
commonly seeped from the rear main seal!  I recall also that the Wright
Bros. made a large diameter flywheel for their first home-built
4-cylinder aircraft engine, even though they were EXTREMELY
weight-conscious with this first successful powered aircraft, to get the
power delivery smooth enough to allow the long chain-drives to the props
to work without shaking the drives or the props to pieces.  Bill

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