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diy hydroforming


flyingbrick

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One of the projects from tech back in the day. I forget the pressure it had to hold, but it was well and truely up there! For testing it was just a case of filling it to the top with water, then the tutor would tighten on the "pressure thing" and crank it till it started to spray out of a weld. Oxy Acet welded. Before they were pressurised, they were about as square as could be. I did have more projects, but most got lost along the way. Only other one I recall was two sheets just welded on top of each other, then a nut brazed on to make a "pillow" when expanded.

 

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