The Gallaudet D-2 was a prototype American biplane observation aircraft built by the Gallaudet Aircraft Company during World War I for the United States Army. Based on the earlier Gallaudet D-1, the D-2 had more powerful engines and had other improvements.
The Gallaudet D-2 was a prototype American biplane observation aircraft built by the Gallaudet Aircraft Company during World War I for the United States Army. Based on the earlier Gallaudet D-1, the D-2 had more powerful engines and had other improvements.
Source: Wikipedia "Gallaudet D-2" · CC BY-SA 4.0
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