right on brian! well stated! i agree 100% e-RICHIE
On Fri, 31 Aug 2001 12:28:58 -0700 Brian Baylis <rocklube@adnc.com> writes: <...but if a miter is too perfect, as the tube expands while pre-heating the lug for brazing there will not be a suffecient gap for the braze to flow through and form the very important fillet on the inside of the tube joints.> AND: <Sometimes getting too precise can be your undoing as a framebuilder.> Brian Baylis La Mesa, CA
> >
> > speaking of monsieur ryffranck,
> >
> > i went up to canada for a long weekend this summer and was
> able to hang
> > out in his shop to watch for a day and a half. he is really
> really fussy
> > about his work, very concerned with delivering the highest quality
> miters
> > and brazing. if anyone read the bicycle guide article some time
> ago, he
> > talks about fitting up a miter, then pouring water in the joint
> and waiting
> > 15 min. for it to finally leak out; he's wasn't joking, it was
> neat to watch
> > him in action:
> > he would miter the tube in question, say a top tube, and clamp
> the head
> > tube steady in the jig, then coat the edge of the mitered top tube
> with
> > chalk. he would then tap the mitered top tube against the head
> tube and see
> > where it left chalk on the head tube. these were the high spots
> of the
> > miter, so he would go back and file these areas of the top tube,
> re-chalk,
> > re-tap, and so on back and forth until when the top tube was
> pressed against
> > the heaad tube, it left one complete ring of chalk, which meant no
> high
> > spots, and a perfect miter . . . .
> >
> > chris root
> >
> > apt. 207
> > 44 brittany farms road
> > new britain, ct 06053
> >
> > root@student.uchc.edu