On Fri, 1 Nov 2019 00:30:16 -0400, "Carl"
wrote:

I'm also curious how the 55 gal drums failed - did
the ends or the side give way and implode?

I'm sure it will vary, but here are some school kids trying it out:

https://www.youtube.com/watch?v=JsoE4F2Pb20
--
RoRo