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From: marcum@sun.uucp (Alan Marcum)
Newsgroups: net.bicycle
Subject: Re: "Radical" gearing, rollers
Message-ID: <3019@sun.uucp>
Date: Thu, 21-Nov-85 13:46:59 EST
Article-I.D.: sun.3019
Posted: Thu Nov 21 13:46:59 1985
Date-Received: Sat, 23-Nov-85 05:45:39 EST
References: <2954@sun.uucp> <2143@reed.UUCP>
Distribution: net
Organization: Sun Microsystems, Inc.
Lines: 25

In article <2143@read.UUCP> kehoe@reed.UUCP (Dave Kehoe) writes:
> In article <2954@sun.UUCP> marcum@sun.UUCP (Alan M. Marcum) writes:
> >The equipment consists of an Ultra 6 freewheel (13-15-19-24-30-34),
> >Huret Duopar rear derailleur, Specialized triple crankset (26-42-47)
> 
> That's radical?  Sounds like the same old heavy, can't-
> find-the-gear-I-want drivetrain.
The point of this gear setup is to allow fine-grained choice of the
desired ratio, while maintaining a very wide gear range, suitable for
loaded touring in hills.
>                                   I'm a firm believer in
> experimenting with gearing on the road (not on paper),...
Agreed; this gear setup was the result of experimenting with various
arrangements, both on my single and on my tandem.

Like Dave, I like to spin fairly fast -- around 90rpm as a normal cadence.
A 36" low gear is pretty low; yet, when you're uphill, into the wind,
loaded down, 36" seems awfully high.  Commuting is one thing -- I do that,
too -- and unloaded touring, or centuries are another, and loaded touring
is something else again.  The gearing I mentioned was an example of
something that works for me; for different applications, different gears
are appropriate.
-- 
Alan M. Marcum				Sun Microsystems, Technical Consulting
...!{dual,ihnp4}!sun!nescorna!marcum	Mountain View, California