Re: [CR] oversize seat stay caps?

(Example: Production Builders:Peugeot:PY-10)

Date: Thu, 14 Jan 2010 19:27:54 -0800
From: "Chuck Hoefer" <paccoastcycles@sbcglobal.net>
To: Mark Stonich <mark@bikesmithdesign.com>
References: <OFAEC19538.39B37FD8-ON852576AB.0058C760-852576AB.00593F71@LocalDomain> <E1NVc7e-0004Za-LY@elasmtp-galgo.atl.sa.earthlink.net>
In-Reply-To:
Cc: classicrendezvous@bikelist.org, marcus.e.helman@gm.com
Subject: Re: [CR] oversize seat stay caps?


Mark Stonich wrote:
> Definitely more to it. With a fairly thick seat stay there is a decent
> amount of contact area between the edges of the stays and the cap.
> You also should get a bit of a mini fillet on the inside but you can't
> inspect it to be sure. With thinwall stays there isn't much contact
> area so an oversized cap ensures an area for a tiny fillet on the
> outside. Technically superior, aesthetically not so much.
>
> Flush is much easier for a solo builder. But a factory can have the
> oversized caps die cut and will have a fixture to accurately hold
> everything for brazing.
>
> With flush caps you sometimes see failures, even with thick stays.
>
>
> Mark Stonich;
> BikeSmith Design & Fabrication
> 5349 Elliot Ave S. Minneapolis, Minnesota 55417 USA
> Ph. (612) 824-2372 http://bikesmithdesign.com
> http://mnhpva.org
> _______________________________________________
> Mark, that seems the definitive statement. I tried to get to the point you made in your second paragraph but couldn't come up with the words. You're a wordsmith as well as a bikesmith it seems.

Chuck Hoefer
Vista, California USA