Spray transfer is hot, and fast. Ordinary spray is for flat only. It's clean smooth and almost as quiet as DC tig. Out of position, it isn't pretty as the puddle is so hot it falls in globs and can't stay in place. The welders we sell with pulse are specifically designed for spray and use out of position because the pulse creates a dual transfer...but only one the spray transfer is supposed to transfer metal, and the arc only drops into the globular transfer range long enough to cool the puddle, but not transfer metal. Spray isn't designed for anything less than 1/8 inch and thicker. And I personally believe 1/8" is a little thin to make a long weld.
Here's some spray I've done in the past...and the next is a conventional short circuit.
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