[calex59]

Yes, I was attempting to have my little joke:).

FReeper Jnsun gave a far better answer, and a serious one, at post 63. You might want to take time to read it...

[Fichori]

Your joke was not lost ;-)

Your chemical reaction would only need a couple hundred PSI instead of 4,500.

Of course, if you are dropping calcium carbide into water, you don’t want anything over 15 PSI. (hehe)