Street Machine - - FIT & FIDDLE -

THE two pieces can be fit­ted flush; the tighter the bet­ter. With both sides clean, a few tack welds are placed to hold the metal in position. The join can now be fuse-welded from one end to the other. A con­sis­tent metal pool that can be ‘pushed’ along the join is re­quired here. If you flip the piece and can still see the edges of the join, there wasn’t enough heat. Weld­ing in one run will cause dis­tor­tion, but that’s okay; a com­mon mis­con­cep­tion is that the heat has buck­led the sur­round­ing metal, but ac­tu­ally the weld is pulling ev­ery­thing in around it, caus­ing it to warp. Using a ham­mer and dolly (or sim­i­lar) along the weld, the ten­sion can be re­leased, let­ting the sur­round­ing metal re­turn to its orig­i­nal position while flat­ten­ing out the piece.

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