Ryan plane is built largely of tubular steel, almost only metal part being propeller which is made of duralumin; aluminum alloys, copper, brass, aluminum bronze, and bronze in engine.
Metals in trans-atlantic airplane flights
Metal Industry (N. Y.)
Metal Industry (New York) ; 25 , n 6
1927
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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Sikorsky trans-atlantic airplane a redesigned "freighter"
Engineering Index Backfile | 1926
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