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Old 11-13-2009, 04:48 PM   #11
HokieDNA01
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This thread title made me thing of a friend that had to get out of riding because he had a fusion done on his neck. Made it hard to turn his head to check blind spots. So I would say yes..If you have to have your neck "welded" you should not ride.
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Old 11-13-2009, 04:48 PM   #12
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and they are also assembled on a jig and welded for precise angle, vs a hack w/ a grinder and welding rig in a backyard.

how can you be sure the angles are correct afterwords and the weld quality, hell zuki had to call back frames cuz they flubbed.

it's like a 96-98 ZX9R
I'm with you on this. A skilled welder, sure. But a backyard hack, no thanks.
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Old 11-13-2009, 04:56 PM   #13
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I'm with you on this. A skilled welder, sure. But a backyard hack, no thanks.
Yep agree with this. I'd also be more inclined to do this if it was a cruiser type but less inclined if it's a sportbike that I know I'll be riding harder.
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Old 11-13-2009, 05:05 PM   #14
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He welding it on the bbq

Tom
Quote FTW
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Old 11-13-2009, 05:39 PM   #15
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Um......let's get real for a moment. How are you going to guarantee that the edges of the 2 pieces are aligned properly, resulting in a factory-straight frame?
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Old 11-13-2009, 05:41 PM   #16
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Originally Posted by RACER X View Post
and they are also assembled on a jig and welded for precise angle, vs a hack w/ a grinder and welding rig in a backyard.
Eggzacharry. Just a tiny bit off, and the rake/trail, and worse parallelism of the forks to the frame can be seriously 'off'. And without some precision 'jigging', it WILL be off. On top of that, good weld penetration on aluminum can be a tricky thing, even for an experienced welder, especially without a good hi-frequency DC inverter (welder). I'd guess it was likely done by an amateur, with with a 'hobby' wire-feed welder, and lined-up by eyeball - no way in HELL I would trust it.

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Old 11-13-2009, 05:42 PM   #17
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Originally Posted by Homeslice View Post
Um......let's get real for a moment. How are you going to guarantee that the edges of the 2 pieces are aligned properly, resulting in a factory-straight frame?
Tack on a temporary jig, cut it off when you're done.
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Old 11-13-2009, 05:54 PM   #18
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Eggzacharry. Just a tiny bit off, and the rake/trail, and worse parallelism of the forks to the frame can be seriously 'off'. And without some precision 'jigging', it WILL be off. On top of that, good weld penetration on aluminum can be a tricky thing, even for an experienced welder, especially without a good hi-frequency DC inverter (welder). I'd guess it was likely done by an amateur, with with a 'hobby' wire-feed welder, and lined-up by eyeball - no way in HELL I would trust it.

Isnt aluminum very tricky to weld in the first place?

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Old 11-13-2009, 06:06 PM   #19
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Yes - and under/over-penetration (giggety) is hard to control without a good rig (pulsed-DC MIG or hi-freq AC TIG) & knowing what you're doing.
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Old 11-13-2009, 07:23 PM   #20
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Originally Posted by tommymac View Post
Isnt aluminum very tricky to weld in the first place?

Tom
Yes, any hobbyist probably wont have the skills or equipment to do it on their own and do it correctly. Aluminum is very tricky to weld, and most hobbyist wont be able to weld it without warping it. It also probably wont be structurally sound.

I really wouldnt have a problem with it if it were a cruiser with a steel frame though.
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