One-sixth the weight of one shot.
4. What is the breaching charge?
One-third the weight of the shot.
5. What kind of charges are used in hot shot firing?
Small charges from one-fourth to one-sixth the weight of the ball.
6. For what reason?
Because balls fired with small velocities split the wood in a manner which is favorable to its burning; with a great velocity the hole closes, the ball sinks deep, and, deprived of air, chars without setting fire to the surrounding wood.
7. To what depth should hot shot penetrate?
Not deeper than ten or twelve inches.
8. In ricochet firing, what kind of charges are used?