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Torpedo

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A torpedo is a special weapon that moves through the water.

It is self-propelled, which means it can move on its own toward a target. It carries an explosive warhead inside its body. This explosive is meant to go off when it hits something. It can also go off when it gets very close to a target. These tools are important because they let small boats fight huge ships.

Mark 8 torpedo in Germanton Park
Mark 8 torpedo in Germanton Park

Small vessels can use them without needing giant guns.

How a torpedo works can be seen in its many different parts. Modern versions can be lightweight or heavyweight. Some move in a straight line, while others are autonomous homers. This means they can find their own way to a target. Some even use a wire to help guide them.

PSM V56 D0325 Patrick torpedo moving at 23 knots per hour
PSM V56 D0325 Patrick torpedo moving at 23 knots per hour

A submarine-launched torpedo is very likely to hit its target. Because they are so effective, the best defense is often a counterattack with another torpedo.

History shows that people have had ideas for these weapons for a long time. In 1275, an engineer named Hasan al-Rammah wrote about a projectile. He imagined something like an egg that could carry fire through the water. Later, in the 1600s, Cornelius Drebbel used a spar torpedo. He attached explosives to a beam on his submarine.

Robert Whitehead with battered test torpedo Fiume c1875
Robert Whitehead with battered test torpedo Fiume c1875

In the early 1800s, Robert Fulton used the word "torpedo" for his own explosive charges. He even used them on his submarine named Nautilus.

The modern torpedo was truly born in the 1860s. An officer named Giovanni Luppis shared a plan for a floating weapon. An English engineer named Robert Whitehead took these ideas to create something better. In 1866, he invented the first effective self-propelled torpedo.

Robert Whitehead with battered test torpedo Fiume c1875
Robert Whitehead with battered test torpedo Fiume c1875

It was a tube that used compressed air to move underwater. At first, it had trouble staying at the right depth. Whitehead fixed this in 1868 with a hydrostatic valve and a pendulum. This special mechanism helped the torpedo stay at a set depth.

Many interesting facts come from the growth of this technology. By 1870, Whitehead's torpedoes could travel at speeds of up to 30 knots.

HMS Lightning - Torpedo Boat 1877
HMS Lightning - Torpedo Boat 1877

In the 1880s, experts found that a blunt nose actually helped speed. This allowed the torpedoes to carry more explosives and more air. By World War I, the torpedoes had grown quite large. They could reach a diameter of 21 inches. They could also carry a warhead weighing 350 pounds.

This shows how much these tools have changed over time.

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🖼️ Images & Media (38)
File:Mark 8 torpedo in Germanton Park.jpg
Mark 8 torpedo in Germanton Park.jpg
File:Fulton's torpedo.jpg
Fulton's torpedo.jpg
File:Sinking torpedoes by moonlight in Charleston Harbor - Harper's Weekly, June 13, 1863.jpg
Sinking torpedoes by moonlight in...
File:Romanian spar torpedo boat Rândunica.jpg
Romanian spar torpedo boat Rândunica.jpg
File:Whitehead torpedo General Profile, The Whitehead Torpedo U.S.N.1898.jpg
Whitehead torpedo General Profile, The...
File:Robert Whitehead with battered test torpedo Fiume c1875.jpg
Robert Whitehead with battered test...
File:Ottoman submarine Abdulhamid 1886.jpg
Ottoman submarine Abdulhamid 1886.jpg
File:The first modern-day torpedo launching station in Rijeka, 2020.jpg
The first modern-day torpedo launching...
File:HMS Lightning - Torpedo Boat 1877.jpg
HMS Lightning - Torpedo Boat 1877.jpg
File:Brennan torpedo launching.jpg
Brennan torpedo launching.jpg
File:Combate de Caldera.JPG
Combate de Caldera.JPG
File:Knyaz'Suvorov1904Reval.jpg
Knyaz'Suvorov1904Reval.jpg

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