Boeing XB-39 Superfortress
Prototype bomber aircraft by Boeing / From Wikipedia, the free encyclopedia
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The Boeing XB-39 Superfortress was a United States prototype bomber aircraft, a single example of the B-29 Superfortress converted to fly with alternative powerplants. It was intended to demonstrate that the B-29 could still be put into service even if the first choice of engine, the air-cooled Wright R-3350 radial engine, ran into development or production difficulties.
Quick Facts XB-39 Superfortress, Role ...
XB-39 Superfortress | |
---|---|
Boeing XB-39 serial number: 41-36954 | |
Role | Heavy bomber |
Manufacturer | Boeing |
First flight | 9 December 1944 |
Primary user | United States Army Air Forces |
Produced | 1944 |
Number built | 1 |
Developed from | Boeing B-29 Superfortress |
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