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I would love more details.
So there I was with something of an informal competition in front of me to make the “best” shaped charge to blow throw about a two inch steel plate. It was really just something like practicing skills and maybe showing off creativity.
Most people took “best” to mean most efficient, precise, or cleanly shaped hole in the metal. I took a different meaning. A Mongo minded meaning.
People showed up with their creations and proceeded to pack them with explosives. Most were C4 filled and under half a pound, many of them much less. Shaped charges made of coins, wine bottles, whatever else.
I brought a bird house similar to:
Removed the copper roof, put it in a 5 gallon bucket and proceeded to fill the bucket with as much C4 as it could hold. I don’t know how much. It was a lot. More explode means more good.
My charge had to go last for fear of disrupting everything else. I put a dachshund sized hole in the steel plate along with a massive crack. Penetrated the dirt a few feet down. Somebody even recovered the copper penetrator and turned it into a keychain.
After that they put a size limit on how much explosives you could use. Really not my fault there wasn’t a limit in the first place.