Low Tech cannons mortars and shells

[Fred Brackin]

Originally Posted by Rupert

However, the way GURPS does fragments implies that as the warhead gets bigger the energy put into the fragments drops, as a fraction of the total (which is questionable),t.

With a fragmentation jacket of constant thickness (resulting in fragments of unchanged size), fragmentation will go up as the square while explosive charge will go up as the cube.

Even if fragmentation jackets got thicker the interface between the jacket and the charge only goes up as the square.