"E-boat" is the British and American name for the German Schnellboot (S-boot), a small, fast torpedo boat a little larger than the American PT boat and the British MTB. A torpedo boat is a relatively small and fast naval ship designed to launch torpedoes at larger surface ships. ... PT boats in line A PT boat was a motor torpedo boat (hull classification symbol PT), a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. ... Motor Torpedo Boats (MTB) was the name given to fast torpedo boats by the US and Royal Navies. ...
Engines - Three 20-cylinder 2000hp MB501 diesels driving three propellers.
Armament - 2 torpedo tubes, 1 x 20mm gun, 1 x 40mm gun
The metre (American spelling: meter), symbol: m, is the basic unit of distance (or of length, in the parlance of the physical sciences) in the International System of Units. ... A tonne (also called metric ton) is a non-SI unit of mass, accepted for use with SI, defined as: 1 tonne = 103 kg (= 106 g). ... A knot is a non SI unit of speed equal to one nautical mile per hour. ... Diesel is a product used as a fuel in a diesel engine invented by Rudolf Diesel, and perfected by Charles F. Kettering. ... A propeller can be seen as a rotating fin in water or a wing in air. ...
References
"German E-Boats 1939-45" by Gordon Williamson and Ian Palmer, Osprey, 2002, ISBN 1841764450
"German S-boote at War, 1939-1945" by Jean Philippe Dallies-Labourdette,UK: Histoire and Collections, 2003, ISBN 2913903495
"S-Boote: German E-Boats in Action (1939-1945)" by Jean-Philippe Dallies-Labourdette, US/UK: Histoire and Collections, ISBN 2913903495