75 caliber miniature black powder cannon build. What starts as a 3″ diameter actuator from a front end loader ends up as a beautiful replica of a full-sized cannon, along with a half-filled ...
That’s why [The Stone Donkey] built this pirate cannon prop complete with firing sounds. The simplicity of the design is pretty brilliant. Three segments of PVC and five fittings make for a ...
Is the available projectile force of one volume of Scliultze's powder equivalent to the available projectile force of two volumes of black powder ... will grasp its full purport, however much ...