Chainstay frame crack on a steel Woodrup frame: advice please

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biggs682

Itching to get back on my bike's
Location
Northamptonshire
Such a shame
 

Jameshow

Veteran
I'd question the efficacy of attempting to repair that crack with a weld (depending on wall thickness / material / welder competency); IMO that warrants a replacement stay which is probably going to cost more than the frame is worth.

Since you don't plan on keeping it and seem to be satisfied with the purchase, worth punting it on for a nominal sum with full disclosure so that the new owner can sort it as they see fit..?

I don't think you can weld 531 which is why they went to 525 /725 steels which are weldable irrc.

Try Ellis Briggs in Shipley?
 

T4tomo

Legendary Member
A repair is a new stay - if too much £, bin it. Weld it, erm no.

agree with this, too much metal missing to feel confident in a repair, unless its a sleeve which would look a bit duff & ugly and potentially cause chainstay clearance issues anyway. So new stay and respray, which doesn't sound economically viable. So unless its a labour of love, I'd strip the parts and move on
 

Jameshow

Veteran
Nor are Ellis Briggs now. But both pass such work onto local frame builders.

Really I did t know that last time I was in the shop he had a frame I. Build and offered frame building courses.
 

Gillstay

Veteran
I had a patch brazed onto a BSA frame in a similar spot and it only lasted 15 years before a very powerful lad managed to snap the headstock.

Motorcycle mechanic chap did it for me for 20 quid.
 
Well the frame arrived safely yesterday. Thanks D C Lane. I have started cleaning it up. It is a very bright red, it almost looks like an orange shade of Dynorod red! I'm not a fan of red but it does look nice.
Whilst giving it a clean I noticed that the BB axle seemed very close to the frame. I just went and measured it and the drive side is shorter by 3mm. It seems as though whoever serviced it the last time fitted it the wrong way round causing the chainring to grind away at the chain stay. This is what probably led to the split.
I will be starting a new thread soon on what I propose to do! It's a bit head scratching time. I like the look of the frame . Even my wife admired it and she usually asks why I need another bike!
 
Here is a close up. I have since cleaned up the rust.

chainstay.JPG
 
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