Re: [CR] Help.... Broken DO eyelet

(Example: Framebuilding:Tubing)

Date: Tue, 20 Jan 2009 07:57:45 -0600
From: "John Thompson" <johndthompson@gmail.com>
Organization: The Crimson Permanent Assurance
To: <classicrendezvous@bikelist.org>
References: <533061.73204.qm@web44904.mail.sp1.yahoo.com>
In-Reply-To: <533061.73204.qm@web44904.mail.sp1.yahoo.com>
Subject: Re: [CR] Help.... Broken DO eyelet


Norris Lockley wrote:
> A perfectly round eyelet when brazed into place will only have point contac
> t with the edge of the drop-out, so it is better, I think to bite the
> bullet at the outset and file small flats on both the eyelet and the edge o
> f the drop-out, thereby creating line contact. Small chamfers on the edge
> s of the flats also increase the joint area, giving a larger brazed area.

When brazing additional eyelets onto dropouts I'd always use a round file to make a recess in the dropout to hold the eyelet. A little spot of brass holds it forever.

Of course, I was working on new, unchromed dropouts:

http://os2.dhs/org/~john/720dropout.jpg

--

-John Thompson (john@os2.dhs.org)
Appleton WI USA