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Packard 3A-2500

DAYTON, Ohio -- Packard 3A-2500 engine on display in the Research & Development Gallery at the National Museum of the United States Air Force. (U.S. Air Force photo)

DAYTON, Ohio -- Packard 3A-2500 engine on display in the Research & Development Gallery at the National Museum of the United States Air Force. (U.S. Air Force photo)

Note: This item is currently in storage.

The 3A-2500 is a 12-cylinder, liquid-cooled, direct-drive engine. Packard developed this engine, an improved version of the Packard 2A-2500 used on the Huff-Daland Keystone LB-1 bomber, in the late 1920s. This basic engine also was produced in geared and inverted configurations.

TECHNICAL NOTES:
Displacement: 2,500 cu.in.
Rated rpm: 2,000
Weight: 1,223 lbs.

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Please note Springfield Street, the road that leads to the museum’s entrance, is undergoing construction through the beginning of September. Expect lane reductions and some delays. Please follow the signs and instructions provided by the road crews.

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