SWISS AEROPLANES.
Reading edition
Grandjean.
Taddeoli.
Wetterwald.
Model and date. GRANDJEAN. Hydro-monoplane. 1911-12. TADDEOLI. Monoplane. 1911-12. WETTERWALD. Monoplane. 1912.
Length feet (m.) 33 (10) 19-3/4 (6) 24-1/2 (7.50)
Span feet (m.) 33 (10) 29-1/2 (9) 33 (10)
Area sq. feet (m².) 191 (18) 151 (14) 215 (20)
Weight total lbs. (kgs.) 750 (340) 880 (400) 705 (320)
useful, lbs. (kgs.) 310 (140) 330 (150) ...
Motor h.p. 50 Oerlikon 50 Gnome 40 E.N.V.
Speed max. m.p.h. (km.) 62 (100) 69 (110) ...
min. m.p.h. (km.) 56 (90) ... ...
Number built during 1912 2 1 1