Friction welding - GIF

Friction welding.

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Previously:

https://www.homemadetools.net/forum/...601#post182333
https://www.homemadetools.net/forum/...968#post100346
https://www.homemadetools.net/forum/...7862#post86386
https://www.homemadetools.net/forum/...221#post134789
https://www.homemadetools.net/forum/...2814#post97209

I have seen several videos showing friction welding, and each time I imagine that the first guy to do this got fired for being an idiot. Only later did it become an accepted method.

2000 rpm but how much pressure?