design

I am doing the layout for a BP muzzleloading cannon or mortar (haven't decided which yet) I hope to build and I have a question about barrel length and powder chamber dimensions? The nominal OD of the projectile will be 2.50" and it will not be patched in any way. The nominal ID of the...

I would like to learn more about beer/soda can mortars. Not only different designs and construction techniques, but actually how to effectively shoot them. Things like: * Aiming such a mortar? * Different loads? * F/FF powder differences in terms of performance? *...