Re: [CR]re: why no dynohubs? II

(Example: Framebuilding)

Date: Wed, 27 Jun 2007 07:42:41 -0400
To: classicrendezvous@bikelist.org
From: "John Betmanis" <johnb@oxford.net>
Subject: Re: [CR]re: why no dynohubs? II
In-Reply-To: <8801bb250706262243q50e6f0f9wf5870305c0c6b192@mail.gmail.com>
References: <bea804b9846db49488a129050f361c0c@aol.com> <MONKEYFOODLiymm5fZ200003aa7@monkeyfood.nt.phred.org> <b80c3b48243b889188b50e036c87765b@aol.com> <E1I3OJJ-0000yT-00@pop-sarus.atl.sa.earthlink.net>


At 11:43 PM 26/06/2007 -0600, Mitch Harris wrote:
>Wish I had the reference but I remember an article in the CTC magazine about
>drum brake design that showed that the way the pads are oriented inside the
>drum has everything to do with how powerful drum brakes are, and how soon

All correctly designed drum brakes should be capable of locking up the wheel. The leading shoe is self-energizing. That's not the point. Brakes need the capacity to absorb and dissipate energy, which is why disk brakes were adopted for automotive applications.

John Betmanis
Woodstock, Ontario
Canada