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 Post subject: Welding?
PostPosted: Tue Jul 30, 2013 8:34 pm 
Dirt Disciple

Joined: Fri Nov 12, 2010 4:07 am
Posts: 33
Location: Sweden
Hey there!
So got this Trek bike for free from a friend because there is 2 cracks in the chainstays (is it called that?), and i was wondering if it is possible to weld or i should just take of the usable parts and throw away the frame ?

There seems to be stressmarks here and there aswell.


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 Post subject: Re: Welding?
PostPosted: Tue Jul 30, 2013 9:48 pm 
Retro Guru

Joined: Sun Jun 20, 2010 4:39 pm
Posts: 1455
:shock: that looks like the frame has filled up with water and then frozen......afraid that frame is wall art...i.e. dead!
i believe you have ice in sweden!


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 Post subject: Re: Welding?
PostPosted: Tue Jul 30, 2013 10:36 pm 
Dirt Disciple

Joined: Fri Nov 12, 2010 4:07 am
Posts: 33
Location: Sweden
Thanks mate, yeah i thought it was crap.
Yup we have ice here, and i dont approve ;)


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 Post subject: Re: Welding?
PostPosted: Wed Jul 31, 2013 12:46 pm 
Old School Grand Master
User avatar

Joined: Tue Oct 19, 2010 9:55 am
Posts: 7058
Location: The land of Lea & Perrins
I guess you could drill either end of the cracks and then weld a collar around the damaged area which might do the job, although I wouldn't like to say how strong it would be.


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 Post subject: Re: Welding?
PostPosted: Wed Jul 31, 2013 12:49 pm 
retrobike rider
retrobike rider

Joined: Tue Jul 10, 2012 11:58 pm
Posts: 2362
Location: Bournemouth
it's only a Trek, bin it. It's dead


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 Post subject: Re: Welding?
PostPosted: Wed Jul 31, 2013 5:33 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8209
Location: New Forest, UK
looking at the paint flakes it's distorted the tube in areas other than where it burst. Tim's right, weigh it in for scrap.


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 Post subject: Re: Welding?
PostPosted: Wed Jul 31, 2013 10:27 pm 
Dirt Disciple

Joined: Fri Nov 12, 2010 4:07 am
Posts: 33
Location: Sweden
OK, i'm gonna bin it, thanks for the answers guys :)


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 Post subject: Re: Welding?
PostPosted: Wed Jul 31, 2013 11:01 pm 
Retro Guru

Joined: Sun Jun 20, 2010 4:39 pm
Posts: 1455
have you no enemies you could build it up for? a sort of peace offering...... :wink:


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 Post subject: Re: Welding?
PostPosted: Wed Jul 31, 2013 11:06 pm 
Retro Guru
User avatar

Joined: Thu Jun 23, 2011 11:25 pm
Posts: 1785
Location: It's not easy being a dolphin.
Nooooooooo don't bin it! You've got a fabulous Trek rear wheel truing jig right there; just cut out the rear stays and around the BB shell. Hell it should even work for those funky new 29er wheels too. Will keep the green party more than happy too :wink:


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 Post subject: Re: Welding?
PostPosted: Thu Aug 01, 2013 9:10 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8209
Location: New Forest, UK
That is a good re-use plan!


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