Darinh wrote: I also found it interesting that they MIG weld the fuse...seems like most guys frown on MIG welding 4130. I have always been told that TIG or gas welding is best for chromo.
Zane wrote: I'm serious, the most beautiful welds in history come from those shops that large bike mfrs outsource to in Asia. Bike frames are abused something fierce (in the BMX world.)
EZFlap wrote:When I went to A&P school (1981), it was made clear that after any type of arc welding, you were supposed to bake the fuselage in an oven to stress relieve all of those temperature gradients and heat affected zones. Gas welds did not require this but it was suggested.... "for best results".
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