It might have already been discussed, but I figured I'd post it anyway.
http://www.5ad.org/gun.htm1.5 ton of powder pushing a 5-8 ton pill at around 2700fps? That's what I call a big bore rifle! 700 nitro express doesn't look so hot now, eh?
It's a shame all three of these Gustav guns have been destroyed... the biggest gun in the world would be quite a sight to see.
