Flettner Rotorcraft:

To be expanded at a later date.

 

"Gigant":

1933

A helicopter with two 30hp Anzani piston engines mounted on the ends of two rotors, each turning a two-bladed propeller.

http://www.aviastar.org/helicopters_eng/flettner.php

 

Fl-184:

Autogiro

http://wapedia.mobi/en/Flettner_Fl_184

From Aeronautical Research in Germany; "Initially, Anton Flettner developed in 1934 an autogyro with the type designation Fl 184. The design was closely related to the autogiro C 30 of Juan de la Cierva, however, had a cyclic blade-angle control instead of the rotorhead pitch control of the Cierva autogyro"

 

Fl-185:

Single rotor helicopter.

First flew in 1936-37.

http://wapedia.mobi/en/Flettner_Fl_185

 

Fl-265:

Intermeshing contra-rotating synchronized rotors

http://www.aviastar.org/helicopters_eng/flettner-265.php

 

Fl-282 "Kolibri":

Intermeshing contra-rotating synchronized rotors

http://www.aviastar.org/helicopters_eng/flettner_kolibri.php

 

Fl-285 'Under Development':

Another fleet spotter with an Argus As.10C engine, capable of making a 2-hour flight and carrying two small bombs

 

Fl-339 'Under Development':

A large transport helicopter project powered by a BMW 132A engine. ?

 http://www.geocities.com/CapeCanaveral/Launchpad/5249/fle339.htm

The Fl 339 helicopter was little more than a powered platform for two crewmen with back-to-back seats, a rotor and a tail. No production. Type: Fl 339 Function: observation Year: Crew: 2 Engines: 1 * 175kW Argus As 10C

The helicopter was developed after a 1944 mission of the RLM for a helicopter with greater payload than the Flettner Fl 282. Die Rotoranordnung mit zwei ineinanderkämmenden Rotoren wurde von der Fl 282 übernommen, der Rotordurchmesser sollte jedoch auf 13,2 Meter vergrößert werden. The rotor ineinanderkämmenden arrangement with two rotors, the Fl 282 over the rotor diameter should be increased to 13.2 meters. Eine Neuerung stellte die Zusammenfassung der Antriebskomponenten in einer Einheit dar. So sollte der Motor, ein 240 PS leistender luftgekühlter Argus As 10 C-Achtzylinder-V-Motor, mit dem Getriebe in einer Gondel zwischen Kabine und Rotoren untergebracht werden. An innovation, the summary of the drive components in one unit dar. Thus, the engine, a 240 hp air-cooled leistender Argus As 10 C eight-cylinder V-engine, with the gears in a gondola between cabin and rotors to be accommodated. Der Besatzungsraum, in dem die beiden Sitze Rücken an Rücken platziert werden sollten, bestand lediglich aus einem Stahlrohrgerüst. The occupying space in which the two back to back seats should be placed, consisted solely of a steel tube frame. Aufgrund des Kriegverlaufes wurde kein Versuchsmuster mehr gefertigt. Due to the Kriegverlaufes was no attempt made more patterns.

 

Fl-201 'Concept':

Flettner Fl 201 Dual Rotor Powered Autogyro (design)

Anton Flettner again reappears, now the founder of his own company in New York after the war. The Fl 201 Heligyro, evolving out of his earlier work on the Fl 185, was a 30 - 40 passenger twin-rotor helicopter designed to takeoff and land as a helicopter but fly as an autogyro. Under United States Navy sponsorship the Fl 201 Heligyro was tested at New York Naval Air Station, Floyd Bennett Field the model never advanced beyond the testing phase.46

46 Hollmann, Martin Helicopters. pp. 130 - 131

 

 

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