[CR] FW: Campagnolo Crank Crack -- Should I be worried?

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From: "KRISTER KATSOGIANNOS" <katten@msn.com>
To: <classicrendezvous@bikelist.org>
Date: Mon, 19 Jan 2009 21:33:12 -0600
In-Reply-To: <JNEGJNNAHKLLNJNNELCHGEDDCJAA.gthies1@cox.net>
References: <mailman.9.1232395221.3551.classicrendezvous@bikelist.org>
Subject: [CR] FW: Campagnolo Crank Crack -- Should I be worried?


Hi

I would be helpful mind if someone can supply a picture of a properly filed crank arm

Krister Katsogiannos San Antonio tx
  
> From: gthies1@cox.net> To: classicrendezvous@bikelist.org> Date: Mon, 1 9 Jan 2009 16:03:57 -0500> Subject: Re: [CR] Campagnolo Crank Crack -- Shou ld I be worried?> > Several years ago I built up a previously unbuilt 1976 Eisentraut Custom A> frame with all NOS Campy SR components. Before the cra nk was installed, the> edges were filed to help ensure it would not deter iorate at this well known> weak point. I would not hesitate to purchase an altered crank either. This> kind of decision falls neatly under the "brains
   before beauty" maxim. The> only reason to not "fix" these beautiful cranks
   is if the bike is never> going to be ridden. But owning wall hangers isn't
   as much fun!> > Greg Thies> Vienna, Virginia> > > ---------------------- --------> > Message: 12> Date: Mon, 19 Jan 2009 14:53:31 -0500> From: Har ry Travis <travis.harry@gmail.com>> Subject: Re: [CR] Campagnolo Crank Crac k -- Should I be worried?> To: <passionateyouththing@yahoo.com>> Cc: classi crendezvous@bikelist.org> Message-ID:> <58dbc8400901191153u2bdd035dhcc65e63 c0c50bb56@mail.gmail.com>> Content-Type: text/plain; charset="ISO-8859- 1"> > Search for (engineer) "jobst" in rec.tech or on the late Sheldon Brow n's> pages for analysis of stress risers.> > Jobst broke more than one duri ng his long alpine cycling career.> > Would engineers here comment on how t horough the polishing of the> sharp-edged web should be to keep these stres s fractures from occuring, if> it can be prevented at all?> > Would colle ctors comment on whether they would buy or spurn a Campagnolo> spider whose
   sharp edge was finished by a previous owner this way?> > Harry Travis> Was hington, DC> USA> > _______________________________________________> Clas sicrendezvous mailing list> Classicrendezvous@bikelist.org> http://www.bike list.org/mailman/listinfo/classicrendezvous