Does anyone have additional information on the Flettner Fl 201 heligyro
The following initially came from 'Hollmann, Martin Helicopters. pp. 130 - 131', I think.
"Dual Rotor Powered Autogyro (design)
The following came off of a web search today;
"After the war, Mr Flettner approached US Army with a new helicopter idea. Helicopters need no airfields and are theoretically ideal for short-haul transport of troops, but a big trouble with them has been that the life of the central nerve, the gear box for the rotor, is not nearly so long as military leaders would like. Rotor gears require major overhauls every few hundred flying hours.
Anything on this Fl 201 will be appreciated. Thanks.
P.S. This is a story about him for the interested.
Sorry Dave, nothing on the Fl 201 but this one seems to fit in that context
And there's some heavy iron here:
Thanks for both of the links.
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