Anvil firing
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Anvil firing is the practice of firing an anvil into the air with gunpowder.
An anvil being fired
A prepared anvil. Gunpowder is in a chamber between the anvils and visco fuse
Deflagration
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Deflagration is subsonic combustion in which a pre-mixed flame propagates through an explosive or a mixture of fuel and oxidizer. Deflagrations in high and low explosives or fuel–oxidizer mixtures may
Anvil firing
…powder. Modern double-base powders have much higher energy densities, making them unsuitable. A fuse is made to project out, then lit, and the resulting deflagration sends the projectile anvil several feet into the air. Anvils were traditionally fired on St. Clement's Day, honoring Pope Clement I, the patron saint…
Pyrotechnic deflagrations