“Diesel heavy-oil engines,” he answered. “One for each propeller.”
“What is the difference between one of these and the gasoline engine of a motor-car? I know a little about that.”
“Do you know what the carburetor is?” asked the engineer.
Courtesy of International Marine Engineering.
A Submarine Cruiser, or Fleet Submarine (Lake Type).
The parts indicated by numbers in this illustration are as follows: 1, main ballast tanks; 2, fuel tanks; 3, keel; 4, safety drop keel; 5, habitable superstructure; 6, escape and safety chambers; 7, disappearing anti-air craft guns; 8, rapid fire gun; 9, torpedo tubes; 10, torpedoes; 11, twin deck torpedo tubes; 12, torpedo firing tank; 13, anchor; 14, periscopes; 15, wireless; 16, crew’s quarters; 17, officers’ quarters; 18, war-head stowage; 19, torpedo hatch; 20, diving chamber; 21, electric storage battery; 22, galley; 23, steering gear; 24, binnacle; 25, searchlight; 26, conning-tower; 27, diving station; 28, control tank; 29, compressed air flasks; 30, forward engine room and engines; 31, after engine room and engines; 32, central control compartment; 33, torpedo room; 34, electric motor room; 35, switchboard; 36, ballast pump; 37, auxiliary machinery room; 38, hydroplane; 39, vertical rudders; 40, signal masts.
“That’s where the gasoline is mixed with air, before it goes into the cylinder.”
The engineer nodded.