WW2 submarine question concerning torpedos,

Question

What powered toperdos and what kind of fuel did they use?

Answer 1

Steam, electric, and Alcohol were each used.

When I first began serving on my first sub we still had some of the alcohol engines.

Answer 2

Torpedoes have many possible energy sources, however I believe batteries were the most common for submarine torpedoes in WWII

http://en.wikipedia.org/wiki/Torpedo#Ene...

Answer 3

Usually they were powered by something called a wet-heater (methyl fuel), or hydrogen peroxide, or an electric battery as far as I know.

Answer 4

There were several different types of torpedoes used in WW2. Some were steam driven, some were electric. There were also others.

http://en.wikipedia.org/wiki/Torpedo