Wehrmacht History 1935 to 1945

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Focke Achgelis Fa 61

Prototype




Focke Achgelis Fa 61 Prototype helicopter

Service Data

In Service: 26 June 1936 to 1945

Production Data

First Flight: 26 June 1936
Manufacturer: Focke Achgelis
Number built: 2

Technical Data

Type: Prototype helicopter

Crew: 1 man
Length:
Rotor diameter: 7.01 m
Disc area 38.6 m²
Height:
Empty: 800 kg
Loaded: 953 kg
Engine: 1 × Siemens Bramo Sh 14A 7 cylinder air cooled radial engine producing up to 160 hp
Maximum speed: 123 km/h
Range: 230 km
Service ceiling: 2,410 m
Armament:
Bomb load up to
Electronics:
Operators: Luftwafe
Variants:

Other: Prototypes
Articles:

History

The Focke Achgelis Fa 61 was the first fully controllable helicopter. It first flew in 1936. It is more properly known as the Fa 61 as it was a research aircraft of the Focke Achgelis company.
Prof. Heinrich Focke and engineer Gerd Achgelis started the design for this helicopter in 1932. The airframe was based on that of a well tried training aircraft, the Focke-Wulf Stieglitz. A single engine drove twin rotors, set on outriggers to the left and right of the fuselage the counter rotation of the two rotors solved the problem of torque reaction as also shown by Louis Bréguet Only a prototype was produced. In February 1938 it was demonstrated by Hanna Reitsch indoors at the Deutschlandhalle sports stadium in Berlin, Germany.
It subsequently set several records for altitude, speed and flight duration culminating, in June 1938, with an altitude record of 3,427 m and a straight line flight record of 230 km.

Gallery

Focke Achgelis Fa 61 Prototype helicopter picture 2
Focke Achgelis Fa 61 Prototype helicopter picture 3
Focke Achgelis Fa 61 Prototype helicopter picture 4
Focke Achgelis Fa 61 Prototype helicopter picture 5

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Sources

The Warplanes of the Third Reich.
ISBN-10: 0385057822

German Aircraft of the Second World War.
ISBN-10: 0370000242

Hitler's Luftwaffe.
ISBN-10: 051718771X

For a complete list of sources
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