Thread: Opposed piston 2 stroke diesel.
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Old 10-14-2013, 01:02 AM   #3 (permalink)
some_other_dave
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Junkers Jumo 205 did it back in WWII. One of very few diesel aircraft engines.



The Napier Deltic was more or less three of those joined together in a triangle.

Napier Deltic - Wikipedia, the free encyclopedia

-soD
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