Criticisms of helicopters in general and of V. Isacco's helicogyre; dangers of helicopting; Brennan helicopter; genesis of helicogyre; claims made by V. Isacco disputed; aerodynamic inefficiency of helicogyre; question of research of rotating wings to be explored by British Government; useless direct lifter.
On gyratory wing-traffic
Aeroplane
Aeroplane ; 36 , n 15
1929
2 Figs.
Article (Journal)
English
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Study of gyratory traffic intersections
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|