The First Airplane Diesel Engine: Packard Model DR-980 of 1928
The First Airplane Diesel Engine: Packard Model DR-980 of 1928
By Robert B. Meyer
10 May, 2019
On display in the National Air Museum, Smithsonian Institution, is the first oil-burning engine to power an airplane. Its label reads: “Packard Diesel Engine—1928—This first compression-ignition engine to power an airplane developed 225 hp at 1
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On display in the National Air Museum, Smithsonian Institution, is the first oil-burning engine to power an airplane. Its label reads: “Packard Diesel Engine—1928—This first compression-ignition engine to power an airplane developed 225 hp at 1950 revolutions per minute. It was designed under the direction of L. M. Woolson. In 1931, a production example of this engine powered a Bellanca airplane to an 84 hour and 33 minute nonrefueled duration record which has never been equalled.—Weight/power ratio: 2.26 lb per hp—Gift of Packard Motor Car Co.” Less