Английская Википедия:Flettner Fl 185

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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 Kriegsmarine. It was powered by a Шаблон: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,[1] 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.[1] The landing gear consisted of a nose-wheel, two smaller stabilising wheels under the outriggers and a tail skid. Only one prototype was constructed.

Specifications (Fl 185)

Шаблон:Aircraft specs

See also

Notes

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References

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Further reading

Шаблон:Commons category

Шаблон:Flettner aircraft Шаблон:Gyrodyne Шаблон:RLM aircraft designations Шаблон:Authority control