Two commercial monoplanes made by Societe Nieuport Astra, Seine; Model 540 is long-range 8-passenger carrier; 77-ft. wing span; range of 750 mi.; maximum speed 123 m.p.h.; any 400 to 600-hp. engine fitted; wing and fuselage of duralumin; Model 640 is mail or 4-passenger monoplane; wing span 50 ft. 7 in. maximum speed 127 m.p.h.; wood wings and fuselage; any air-cooled radial 200 to 300-hp. engine fitted.
Nieuport-Astra. The Nieuport Delage, types 540 and 640
Aeroplane
Aeroplane ; 35 , n 13
1928
Article (Journal)
English
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