Re: Annealing [CR]Re: frame longevity vs. stiffness

(Example: Production Builders:Cinelli)

From: <DAVIDTESCH@aol.com>
Date: Tue, 2 Jul 2002 18:30:32 EDT
Subject: Re: Annealing [CR]Re: frame longevity vs. stiffness
To: monkeylad@mac.com, mark@bulgier.net, classicrendezvous@bikelist.org


In a message dated 7/2/02 7:57:59 AM Pacific Daylight Time, monkeylad@mac.com writes:


>
>
> >If you've seen lots of crashed and/or fatigue-cracked frames, you may have
> >noticed that brass frames often fail as much as a centimeter away from the
> >lug edge, because that's where the steel only got up to silver brazing
> >temps.
>

Sounds like someone is desperate to validate silver brazing, which is OK, but it is totally entertaining to read this nonsense. How about the tube failed there because it was a large frame built with a "B" tube set, and that is where the butt ended, or any other of many droning variables that change from one frame to the next. I have seen frames fail, kink and otherwise require tube replacements, for as many reasons as there are frames. Those of us who understand brass brazing, and have experience using it, know that this business of villanizing brass is just plain silly. All this talk to imply that brass brazing somehow ruins the tubing is misinformed. Brazing is a discipline, and either you can do it, or you can't. I would not want a poorly brazed frame in silver, any more than I would want a poorly brass brazed frame.
Dave Tesch
Milwaukee