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Old 12-11-06, 10:08 PM
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DannoXYZ 
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Yeah they can be pricey. Bikes don't need much though, a basic Miller TIG welder will do. You'll need AC and high-frequency for best results on alloy. Welding thin-wall tubing is completely different than anything else. Due to their delicate nature, attention to little details makes a big difference. Such as flushing the tubing with gas as you weld. Even pre-filling the tubing beforehand makes a difference as well.

Kinda hard to get double-butted 7005 alloy in just the right lengths though. I ended up trimming them externally on a lathe.
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