bn:00350346n
Noun Named Entity
Categories: Air-cooled aircraft piston engines, Aircraft piston engines 1930–1939, Inverted aircraft piston engines, Hirth aircraft engines, Inline-six engines
EN
Hirth HM 506  Hirth HM 506A
EN
The Hirth HM 506 was a six-cylinder air-cooled inverted inline engine that was developed from the earlier four-cylinder HM 504. Wikipedia
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EN
The Hirth HM 506 was a six-cylinder air-cooled inverted inline engine that was developed from the earlier four-cylinder HM 504. Wikipedia
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