David,
The machinist who does the lightening will be able to judge the best places to
remove the metal.
In principle the further toward the edge you remove the metal the better. The
lightening is supposed
to lessen the inertia of the flywheel (i.e. takes less effort to spin it up to
speed). Rotational inertia is
a function of distance from the center of rotation
As an example grab a heavy steel bar. Hold it by one end and twist your wrist
rotating the bar around its long axis.
Then grab it by the middle and twist it along its short axis. See the
difference? The bar weighs the same, but
its inertia changes.
-Tony
Message text written by INTERNET:owner-triumphs-digest@autox.team.net
>Date: Wed, 30 May 2001 17:08:48 -0700
From: David Brady <dmb993@earthlink.net>
Subject: [TR250] flywheel lightening
Folks,
I'd like to remove a bit of weight from my flywheel. The
competition preparation manual talks about removing
4lbs, but it doesn't describe exactly where to remove
the material. Can someone describe specifically where
the material can be removed.
TIA,
David Brady
68 Triumph TR250
97 Porsche 993
95 BMW R1100
90 Ford Mustang
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