Hi, John, all---
Thanks for the response and the insight. And thank you to everyone else who replied. I really appreciate the expertise here on the CR list, and I am now armed with a couple of valid options, depending upon exactly what is going on with the frame.
In answer to your question, there may be some ever-so-slight ovalization/shrinkage/distortion of the cluster area, but I'll have to take another extremely close look at the frame (which is currently in the bike shop), make some more detailed measurements, and talk to the mechanic to know for sure.
I'll try to follow up with what route I chose and the (hopefully) happy results.
Cheers,
Peter Jourdain
Whitewater, Wisconsin US of A
>
> Is this due to distortion at the cluster? This is
> not at all uncommon,
> particularly with fillet-brazed frames, and reaming
> is the traditional
> remedy. It is a result of the tubes expanding (and
> therefore
> lengthening) with the heat of brazing, and the
> softening that also
> occurs with heat allows the tube to become distorted
> where it abuts
> other tubes.
>
> Don't take off any more material than necessary and
> you shouldn't have
> any problem. You will likely see fresh metal in the
> immediate area of
> where the tubes attach, but nowhere else.
>
>
> Remember, there's going to be a seat post in there
> which will provide
> all the structural support you need.
>
>
> --
> John Thompson (john@os2.dhs.org)
> Appleton WI USA
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> Classicrendezvous@bikelist.org
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