The Stingray torpedo was a Britishacoustic homingtorpedo. It consisted of four sections. The first section contained the electronics for guidance, followed by the warhead. Then came the salt water powered batteries. The end section contained the power supply linked to the gearbox, rotor and fins.
External links
British Torpedoes since World War II (http://www.warships1.com/Weapons/WTBR_PostWWII.htm)
Torpedoes are weapons that may be launched from submarines, surface ships, helicopters and fixed-wing aircraft, unmanned naval mines and naval fortresses.
The Bangalore Torpedo, invented in 1912, is a cylindrical explosive device on the end of a pipe used to clear minefields and barbed wire.
In the case of deck or tube launched torpedoes, the diameter of the torpedo is obviously a key factor in determining the suitability of a particular torpedo to a tube or launcher, similar to the caliber of the gun.