http://chiefmag.com/issues/5/features/Fun-With-Cannons/
So you have the materials, you practiced on your back porch, and you read all the literature that you can find so you won’t blow your face off.7 Even with all of this, you still have to find a 250-year-old warship to get on in the dead of night. I wouldn’t be surprised to find the Park Rangers for somewhere like the U.S.S. Constitution just hanging a sign on the side of the boat that says: “Go For It,!"
So you have the materials, you practiced on your back porch, and you read all the literature that you can find so you won’t blow your face off.7 Even with all of this, you still have to find a 250-year-old warship to get on in the dead of night. I wouldn’t be surprised to find the Park Rangers for somewhere like the U.S.S. Constitution just hanging a sign on the side of the boat that says: “Go For It,!"