Re: [CR]The shape of fork bends in the old days

(Example: Racing:Jacques Boyer)

Date: Wed, 24 Dec 2003 11:58:18 -0700
From: "Chuck Schmidt" <chuckschmidt@earthlink.net>
To: classicrendezvous@bikelist.org
Subject: Re: [CR]The shape of fork bends in the old days
References: <a05210626bc0f87e21d3e@[66.167.252.180]>


Jan Heine wrote:
> (cut)
> Also, I used to think that forks deflect backwards when going over
> bumps. But Joe Breeze set me straight on that one, long ago. After
> all, supension forks (OT, I know) wouldn't work if that were the
> case...

"The 73-75deg head angle is derived from road shock angle that arises from the statistical distribution of significant bumps, so that these loads are taken axially. With 73 deg angle, a 0.6" bump (a board or pavement step) is taken axially in the fork." --Jobst Brandt

Chuck Schmidt South Pasadena, Southern California

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