From: "Tony Ingenoso" 

Where is this "weight" coming from?

Why doesn't this effect you describe similarly destroy buried conduits and
other piping?

"Adam"  wrote in message
news:42dd1786$1{at}w3.nls.net...
>
> Long barrel. Weight placed upon. Bending action. Gun either blows up or
> shell hits the ground in front of the tank.

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