Explosive spherical tank forming - GIF

Explosive spherical tank forming.

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Previously:

https://www.homemadetools.net/forum/...624#post178219
https://www.homemadetools.net/forum/...899#post164090
https://www.homemadetools.net/forum/...435#post173617
https://www.homemadetools.net/forum/...483#post158644
https://www.homemadetools.net/forum/...478#post181906
https://www.homemadetools.net/forum/...202#post172618

Never seen anything like that before.

Now that's a 'very sever way' to test out if the welds are any good, eh. :-)

Wow! Must be quite risky but quick. Hydraulic forming should achieve the same with less danger.