Encyclopedia · Projectiles and ammunition

Hot shot

Hot shot was solid round shot heated red-hot in a furnace before firing, meant to set fire to wooden ships and structures. It required careful handling to fire safely.

Also known as: heated shot.

ClassIncendiary use of solid shot
PreparationRound shot heated red-hot in a shot furnace
TargetWooden ships and structures
HandlingWet wads between charge and shot to prevent premature ignition

Fire from the guns

Hot shot was an ordinary solid round shot heated to a red heat in a shot furnace and then loaded and fired to lodge in and set fire to wooden ships, buildings, and stores. It was above all a weapon of seacoast defense against wooden warships.

Firing it safely demanded care: wet wads were rammed between the powder charge and the glowing ball so the heat would not touch off the charge before the gun was fired. The spread of iron warships reduced the value of hot shot by the time of the Civil War.

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