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Derringeer · March 30, 2020, 05:54 PM

When a brass cartridge is ignited, it expands into the walls of the chamber. If a cartridge would be ignited outside of the chamber, it would blow up. In a chamber where the cartridge isn’t fully supported it cracks.

So my question is, what would happen if you made a oval chamber that could take multiple rounds stacked together on top of eachother? Would they still blow up at the weakest spots which are in-between them, or would the geometry make them hold up better?

Here’s a picture that describes what I mean, seen from behind

(each number represent a round, in this case it’s 3 rounds, so the yellow area are rounds/brass and the grey are is the steel chamber)

March 30, 2020, 05:54 PM	#1
Derringeer Member Join Date: December 21, 2019 Posts: 36	How strong are cartridges? When a brass cartridge is ignited, it expands into the walls of the chamber. If a cartridge would be ignited outside of the chamber, it would blow up. In a chamber where the cartridge isn’t fully supported it cracks. So my question is, what would happen if you made a oval chamber that could take multiple rounds stacked together on top of eachother? Would they still blow up at the weakest spots which are in-between them, or would the geometry make them hold up better? Here’s a picture that describes what I mean, seen from behind (each number represent a round, in this case it’s 3 rounds, so the yellow area are rounds/brass and the grey are is the steel chamber)