Re: [CR]Elementary Control-Theory Mistake in Jobst's article onShimmy

(Example: Bike Shops)

From: <RDF1249@aol.com>
Date: Fri, 16 Jan 2004 13:52:24 EST
Subject: Re: [CR]Elementary Control-Theory Mistake in Jobst's article onShimmy
To: john.hawrylak@att.net, classicrendezvous@bikelist.org


In a message dated 1/16/2004 9:35:06 AM Pacific Standard Time, john.hawrylak@att.net writes:
> Bob Freeman wrote "A load on the rear of the bike doesn't help either."
>
> I thought the rule of thumb was add weight evenly between front and rear
> panniers when the initial weight added to the rear exceeded 10 to 15 pounds?
> This seems to minimize the shimmy caused by a large weight added to the
> rear.
>
> In the case of my Raleigh International across the US in 1976, I started out with a front rack and panniers and a handlebar bag, but the shimmy was worse with that setup than after I ditched the front rack and panniers. It may have been two weights on either end of a big spring, exacerbating the problem.

Bob Freeman
Seattle