Duba zuwa sashi a ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda sashi: Passage: Da farko Boeing Model 69, an yi wahayi zuwa gare shi ta hanyar sakamakon gwaje-gwaje a kan FB-6, wanda aka ba da shi ta hanyar Pratt & Whitney R-1340B Wasp radial engine. Boeing ya fara amfani da wannan injin a cikin jirgin saman soja wanda aka tsara musamman don ayyukan jigilar kayayyaki, ta amfani da nau'in fuselage mai walda da fuka-fukan katako kamar na Model 15, da kuma ƙara babban mai juyawa don rage hauhawar iska a kusa da injin (wannan an sauke shi a cikin samarwa). Armament ya kasance ko dai bindigogi biyu.30 a (7.62 mm), ko ɗaya.30 a kuma ɗaya.50 a (12.7 mm); reshe yana da ƙananan kayan haɗi don har zuwa hudu 25 lb (11 kg) bama-bamai, kuma za a iya rataye na biyar daga fuselage. Tambaya: Menene ya yi wahayi zuwa ƙirar samfurin Boeing 69?
sakamakon gwaje-gwaje akan FB-6