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The 38 8-1/8 engines are inline diesel engines, with combustion occurring between two opposed pistons within a single cylinder liner. The engine has a bore of 8-1/8 inches (206.4 mm), a stroke of 10 inches (254.0 mm) for each piston, and the cylinder height is 38 inches (970 mm). The engine block is of dry block construction. [1]
The Cleveland Diesel Engine Division of General Motors built the majority of submarine engines during World War II. The Model 16-248 and 16-278A were installed in many of the Salmon , Sargo , Tambor , Gato , and Balao classes of diesel electric submarines built in World War II and they continued to operate in U.S. service until the 1980s and in ...
General Motors Cleveland Model 16-248 diesel engine Fairbanks-Morse Model 38D 8 + 1 ⁄ 8 diesel engine. Twelve submarines of this class built by Electric Boat (SS-253 to SS-264) received what would be the final installations of the Hooven-Owens-Rentschler (H.O.R.) double-acting diesel engine. The Navy had been tinkering with this engine off ...
Submarines of World War II represented a wide range of capabilities with many types of varying specifications produced by dozens of countries. The principle countries engaged in submarine warfare during the war were Germany, Italy, Japan, the United States, United Kingdom and the Soviet Union. The Italian and Soviet fleets were the largest.
Like their predecessors, they were true diesel-electric submarines: their four diesel engines powered electrical generators, and electric motors drove the shafts. There was no direct connection between the main engines and the shafts. General Motors Cleveland Model 16-248 diesel engine Fairbanks-Morse Model 38D 8 + 1 ⁄ 8 diesel engine
During World War II, all submarine H.O.R. engines were replaced by early 1943, usually with General Motors Cleveland Diesel Engine Division 16-278A, or 16-248 V16 engines or Fairbanks-Morse Model 38 engines.
These had three diesel engines—two were conventional and one was closed cycle using liquid oxygen. [citation needed] In the Soviet system, called a "single propulsion system", oxygen was added after the exhaust gases had been filtered through a lime-based chemical absorbent. The submarine could also run its diesel using a snorkel.
Prototype "fleet submarines"—submarines fast enough (21 knots (11 m/s)) to travel with battleships. Twice the size of any concurrent or past U.S. submarine. A poor tandem engine design caused the boats to be decommissioned by 1923 and scrapped in 1930.