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Flettner Fl 185

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Flettner Fl 185
Role

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This page is a soft redirect. Autogyro/helicopter #REDIRECTmw:Help:Magic words#Other
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Manufacturer

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This page is a soft redirect. Flettner #REDIRECTmw:Help:Magic words#Other
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Designer

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This page is a soft redirect. Anton Flettner #REDIRECTmw:Help:Magic words#Other
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First flight

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This page is a soft redirect. 1936 #REDIRECTmw:Help:Magic words#Other
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Number built

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This page is a soft redirect. 1 #REDIRECTmw:Help:Magic words#Other
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The Flettner Fl 185 was an experimental German gyrodyne developed by Anton Flettner, a machine which could fly both as a helicopter and as a gyroplane.

Design and development

This aircraft was developed in 1936 with support of the German Navy. It was powered by a Script error: No such module "convert". BMW-Bramo Sh 14 A radial piston engine with forced-air cooling, mounted at the nose. The engine drove a 12 m diameter main rotor and two auxiliary propellers mounted on outriggers attached to the fuselage.

At take-off or when hovering, the auxiliary propellers worked in opposition to each other and served to cancel the torque of the main rotor, a function handled by a single, variable-pitch tail rotor on contemporary helicopters. In forward flight, however, both propellers worked to provide forward thrust while the rotor autorotated, as in a twin-engined autogyro. The landing gear consisted of a nosewheel, two smaller stabilising wheels under the outriggers and a tail skid. Only one prototype was constructed.

Specifications (Fl 185)

Data from [1]

General characteristics
  • Powerplant: 1 × Bramo 314C 7-cyl air-cooled radial piston engine, Script error: No such module "convert".
  • Main rotor diameter: 1 3-bladed× Script error: No such module "convert".
  • Main rotor area: Script error: No such module "convert".
  • Propellers: 2 x 2 bladed-bladed fixed-pitch wooden propellers

Performance

See also

Notes

  1. ^ "Flettner Fl 185". Retrieved 20 December 2012. 

References

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Further reading

  • Die Deutsche Luftrüstung 1933-1945 Nowarra, Heinz J. (1985). Die deutsche Luftrüstung 1933-1945. Koblenz: Bernard & Graefe. ISBN 3-7637-5464-4. 

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