Re: [CR]Was: downtube & top tube replacement.. Now, cold setting...

> All that I could do...pull apart the rear triangle and rebuild it with new
> tubes. Did not make the same mistake twice. The wife is still riding the
> same bike nine years later. She will be happier when I finish the new
> Candy Apple paint job she has been waiting for.
>
> Troy
>
> At 11:05 AM 6/30/2005, Verizon wrote:
>>Sooooo, what happen next? All ears Steven
>>Steven Willis
>>1778 East Second Street
>>Scotch Plains NJ 07076
>>908-322-3330
>>www.thebikestand.com
>>----- Original Message ----- From: "Troy Courtney" <troy@cccycles.com>
>>To: <Classicrendezvous@bikelist.org>
>>Sent: Wednesday, June 29, 2005 6:19 PM
>>Subject: Re: [CR]Was: downtube & top tube replacement.. Now, cold
>>setting...
>>
>>
>>>The second frame I built was for my wife. I used the TrueTemper RCX2 heat
>>>treated set. When I completes the frame the rear drops had closed up and
>>>were offset by about 5 mm on one side and 2 mm on the other. Not huge,
>>>but needed to be corrected. Locked down the BB shell and started to crank
>>>on the stays. The one that was 2 mm out came back in with some effort but
>>>not too bad. Likewise, the one that was 5 mm out moved about 2 mm
>>>relatively easily. But it would not budge for the remaining 3 mm. The
>>>stay would just spring back to where it had started. On my last attempt I
>>>gave it nice hard pull...then "SNAP", the stay folded in two.
>>>
>>>The heat treated tubes are tough.
>>>
>>>Troy
>>>
>>>Courtney Custom Cycles
>>>Geneva, IL
>>>http://www.cccycles.com
>>>
>>>
>>>
>>>At 04:01 PM 6/29/2005, oroboyz@aol.com wrote:
>>>><< Executive summary: Reynolds wasn't kidding. Rather than taking a cold
>>>>set, 753 resists completely until a critical threshold, then fails
>>>>completely. >>
>>>>
>>>>Ha! That truly is a unique experience..
>>>>
>>>>There WAS a local builder named, Chris Wittman made frames under the
>>>>"Slim" label (don't ask)
>>>>
>>>> He called me up one day asking to come to my home work shop (Cirque
>>>> folks know it well) and have me assist him with my alignment table on
>>>> an Columbus EL-OS frame that he"had built a little off." Oh yeah, it
>>>> was a little off alright!
>>>>
>>>>Anyway, I let him do the brute force bit after I had clamped it in and
>>>>realized how far off it really was... He grunted and heaved and jumped
>>>>up using his whole body to try to bend it... Then out of the blue, it
>>>>went POW! Totally twisted into a wrinkle potato chip! Awesome! But we
>>>>both were amazed how much oomph he had to use.. Steel is real, baby!
>>>>
>>>>
>>>>
>>>>Dale Brown
>>>>cycles de ORO, Inc
>>>>1410 Mill Street
>>>>Greensboro, NC 27408 USA
>>>>336-274-5959
>>>>www.cyclesdeoro.com
>>>>www.classicrendezvous.com
>>>>Giant, Specialized, Bianchi, Felt, Orbea, Litespeed, Kuota, Argon 18,
>>>>Colnago, Landshark, Townie and other exotica.
>>>>Member, board of directors, National Bicycle Dealers Association
>>>>
>>>>-----Original Message-----
>>>>From: John Thompson <JohnThompson@new.rr.com>
>>>>To: Classicrendezvous@bikelist.org
>>>>Sent: Wed, 29 Jun 2005 13:21:01 -0500
>>>>Subject: Re: [CR]Frame Repair/downtube & top tube replacement.....?s
>>>>
>>>> oroboyz@aol.com wrote:
>>>>
>>>>>Steve, that reminds me that you CAN get away with amazing stuff with
>>>>>steel frames.
>>>>> A former shop employee of mine & racer girl (Vikki Coffey as many of
>>>>>you NC boys will remember.. fast rider, gorgeous and smart) endo-ed
>>>>her
>>>>>DeRosa and Ijacked it back out... she rode it another year and sold it
>>>>>to Rick Dedman in Southern Pines (an attorney no less!) who rode it
>>>>>another 5 or 6 years! Astounding!
>>>>
>>>>Some steel frames, anyway. I wouldn't try that with a 753 frame!
>>>>
>>>>We had more than a couple crashed 753 frames returned to us at Trek;
>>>>we'd just build a new frame as a replacement. Reynolds did not recommend
>>>>cold-setting 753, so we decided to see what would happen using these
>>>>damaged frames as crash-test dummies. Executive summary: Reynolds wasn't
>>>>kidding. Rather than taking a cold set, 753 resists completely until a
>>>>critical threshold, then fails completely.
>>>>
>>>>--
>>>>John (john@os2.dhs.org)
>>>>Appleton WI USA