Sunday, August 21, 2011

spud gun

I did not realize that physics would allow spudguns  to achieve the level of power achieved by Sureshot's cannons
Most of Sureshots guns operate by injecting Methylacetylene-Propadiene gas into an expantion chamber and then igniting it.
The BL-415, which uses the Methylacetylene-Propadiene gas system, can generate up to 450 ft/lbs of muzzle energy. That is around the same muzzle energy of a .45 ACP round!
For comparison, the FN 303 less-lethal launcher generates  just 16-24 ft/lbs of energy. The most powerful "less" lethal 12 gauge, 37mm and 40mm rounds top at just over 100 ft/lbs. The Sureshot guns could not be considered less-lethal.
The 60" long tennis ball sized barrel of the BL-525 can generate 2000+ fl/lbs of energy if loaded with a proprietary 4090 grain UHMW/steel projectile. That is more energy than a 6.8mm Remington SPC cartridge!.

Posted at The Firearm Blog

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