avia.wikisort.org - Helicopter

The Flettner Gigant was an experimental helicopter built in Germany during the early 1930s.[1]

Gigant
Role	Helicopter Type of aircraft
National origin	Germany
Designer	Anton Flettner
First flight	1932 (tethered)
Number built	1

Design and development

Anton Flettner was an early rotary-wing pioneer in Germany, he developed a torqueless rotor by powering it with small engines fixed directly to the blades driving propellers. this arrangement drove the rotor without transmitting torque (other than bearing friction) to the fuselage.[1]

A successful tethered flight was carried out in 1932, but the aircraft was destroyed soon afterwards when it overturned in a gale.[1]

Specifications (variant specified)

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Data from Green[1]

General characteristics

• Crew: 1
• Powerplant: 2 × Anzani 3-cyl. Y (Radial) 30hp air-cooled radial piston engine, 22 kW (30 hp) each
• Main rotor diameter: 30 m (98 ft 5 in)
• Propellers: 2-bladed tractor fixed pitch propellers

See also

Aircraft of comparable role, configuration, and era

• Saunders Helicogyre

References

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