Fairbanks Morse Diamond Opposed-Piston Marine Engine

The Fairbanks Morse Diamond opposed-piston engine was an experimental project during WWII. Sponsored by the US Navy, the engine produced 3,000 hp, but only one prototype was built.

Fairbanks Morse 38 8-1/8 diesel engine - Wikipedia

Martin's Fairbanks Morse page

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Currently most merchant marine vessel, like container ships, etc

Fairbanks-Morse Diamond engine

Fairbanks Morse Diamond Opposed-Piston Marine Engine

Martin's Fairbanks Morse page

What are the advantages and disadvantages of opposed piston engines? - Quora

What are the advantages and disadvantages of opposed piston engines? - Quora

Why are ship engines so big? What are the benefits behind a single