Dahlgren on Shrapnel, part 2: “these results are only to be considered as general terms”

As discussed earlier, while working on a system of boat howitzers to equip the US Navy, John Dahlgren conducted a detailed study of the behavior of shrapnel.  He identified three factors which governed the performance of shrapnel, from a target point of view, and thus would provide the requirements for the practice of fire forContinue reading “Dahlgren on Shrapnel, part 2: “these results are only to be considered as general terms””

Dahlgren on shrapnel (case shot): “… even a tolerable approximation … not likely to be undervalued…”

As I’ve opened the ball here, I feel bound to continue the discussion about the practice of case shot… and in particular how this was related to those training to man the guns.  Let me say again for emphasis – the conundrum here is that very little is offered in the manuals (US manuals, butContinue reading “Dahlgren on shrapnel (case shot): “… even a tolerable approximation … not likely to be undervalued…””

Improved case shot “Discharged in the line of flight”: Hotchkiss projectiles, Part 4

Time for another installment on projectile development, and we were working through the Hotchkiss-types.  In the last post about Hotchkiss, I detailed Patent Number 35,153, in which Benjamin B. Hotchkiss attempted to work around issues with packing case shot for rifled projectiles.  The key to that patent was the material used to fix the shot in placeContinue reading “Improved case shot “Discharged in the line of flight”: Hotchkiss projectiles, Part 4″