XB-39 (航空機)
1. Boeing XB-39 SuperfortressThe 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.
Read “Boeing XB-39 Superfortress” on English Wikipedia
Read “XB-39 (航空機)” on Japanese Wikipedia
Read “Boeing XB-39 Superfortress” on DBpedia
Read “Boeing XB-39 Superfortress” on English Wikipedia
Read “XB-39 (航空機)” on Japanese Wikipedia
Read “Boeing XB-39 Superfortress” on DBpedia
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