Re: [CR]Record rear der problem update

(Example: Events:Eroica)

In-Reply-To: <DMEJIHDFKPCMMPJEINFDKEENFFAA.otis@otisrecords.com>
References:
From: "Chuck Schmidt" <chuckschmidt@earthlink.net>
Subject: Re: [CR]Record rear der problem update
Date: Thu, 24 May 2007 15:32:51 -0700
To: Classic Rendezvous <classicrendezvous@bikelist.org>


On May 24, 2007, at 4:27 PM, Otis wrote:
> First, thanks to all who have replied offlist. Here's where I'm at
> now.
>
> I borrowed an alignment gauge and checked the drop-out hanger,
> which is
> fine.
>
> I've removed the cage and spring from the der, and as a few have
> you had
> suggested it looks like the outer plate has bowed, causing an un-equal
> length of the parallelogram.
>
> The bushings for the outer plate measure 43mm c-c, the inner plate
> measures
> 44mm c-c.
>
> It looks like the plate has failed at the lower pivot (see 2nd
> picture),
> just curling up a bit.
>
> So, now what do I do? I'm guessing bending the plate flat would
> just weaken
> it further and not hold. Bending the inner plate in to shorten it
> seems a
> bit hoopty? I suppose I could bend the drop-out hanger down to
> compensate,
> but again does not feel like a proper fix. I hate to give up on it
> as it's a
> very clean piece and otherwise in fine shape.
>
> Any suggestions would be appreciated.
>
> http://uci.net/~brennan/temp-recder3.jpg (lower pivot flat on
> table, upper
> pivot not in the same plane)
>
> http://uci.net/~brennan/temp-recder4.jpg (lower pivot, plate looks
> bulged
> there)
>
> Thanks, Jon Williams
> Grants Pass OR USA

I'd use pieces of wood in a vice and figure out where I needed to apply pressure to bend the plate back to where it is suppose to be. Don't worry about the plate breaking; not much chance of that I believe and nothing to lose at this point.

Chuck Schmidt
South Pasadena, CA USA