BOEING 247
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Re: BOEING 247
Variants
Model 247
Twin-engined civil transport airliner. Initial production version
Model 247
Twin-engined civil transport airliner. Initial production version
Project4- CLUB
- Messages : 649
Re: BOEING 247
247A
Powered by new 625 hp P&W Wasp, on special order for Deutsch Luft-Hansa in 1934.
Powered by new 625 hp P&W Wasp, on special order for Deutsch Luft-Hansa in 1934.
Project4- CLUB
- Messages : 649
Re: BOEING 247
247E
This designation was given to the first Boeing 247 aircraft, it was used to test a number improvements, that were later incorporated into the Boeing 247D
This designation was given to the first Boeing 247 aircraft, it was used to test a number improvements, that were later incorporated into the Boeing 247D
Project4- CLUB
- Messages : 649
Re: BOEING 247
247D
Original one-off was a race aircraft designed for the McRobertson Race; use of Hamilton Standard variable-pitch propellers allowed for a seven mph gain; the 247D configuration incorporated in production series bearing the same name.
Original one-off was a race aircraft designed for the McRobertson Race; use of Hamilton Standard variable-pitch propellers allowed for a seven mph gain; the 247D configuration incorporated in production series bearing the same name.
Project4- CLUB
- Messages : 649
Re: BOEING 247
247Y
Armed version, one exported to China, second used for trials.
Armed version, one exported to China, second used for trials.
Project4- CLUB
- Messages : 649
Re: BOEING 247
C-73
Designation for Boeing 247D airliners "drafted" into military service in USAAF, 27 in total.
Designation for Boeing 247D airliners "drafted" into military service in USAAF, 27 in total.
Project4- CLUB
- Messages : 649
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aeronewsline :: Accueil :: Histoire :: Aéronefs 1920 à 1939
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