[CR]Straightening an out of true rim

(Example: Events:BVVW)

Date: Sun, 13 Jan 2008 08:14:15 -0800 (PST)
From: Jerome & Elizabeth Moos <jerrymoos@sbcglobal.net>
To: classicrendezvous@bikelist.org
In-Reply-To: <918523.68164.qm@web82204.mail.mud.yahoo.com>
Subject: [CR]Straightening an out of true rim

What techniques do yall have for straightening an out of true rim? I'm not talking pretzeled, but one that just won't true up with practical spoke tension?

I have a nice, if dirty, pair of wheels with Campy NR hubs and Mavic Open 4 CD rims that came on my early 80's Cuevas. When I tried to use the rear on another bike I discovered it has a large lateral "hop". Put it on the stand yesterday, and although I was able to reduce the hop some, it still is too big to be acceptable in use. This was despite making the offside spokes in the area as slack as I dared, and tightening the drive side probably well above 100 Kg. Must be DT or other high quality spokes, else they would probably have broken or rounded off. One of the problems is the hop is very localized, just by the seam, so one individual drive side spoke had to be tightened very tight.

Anyone have a technique that might work, short of removing all the spokes from the rim? If I'm going to have to completely rebuild the wheel, I'll probably just use a new Mavic Open 4 CD, sinces I have plenty of them.

Regards,

Jerry Moos
Big Spring, TX