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Kamov Ka-8 - Wikipedia

From Wikipedia, the free encyclopedia

Ka-8

General information
Type	Helicopter
National origin	USSR
Manufacturer	Kamov
Number built	5
History
First flight	1947
Developed from	KA-17
Developed into	Kamov Ka-10

The Kamov Ka-8 "Иркутянин", (Irkutyanin - from Irkutsk), was a small, single-seat Soviet helicopter that first flew in 1947. It was a precursor of the Ka-10. The Ka-8 was powered by a 27 hp M-76 engine, boosted to 45 hp by using alcohol for fuel. It was derived from a previous Kamov design, the KA-17.

Description

Like the KA-17 design, the KA-8 featured twin coaxial, contra-rotating rotors, which meant that a tail rotor wasn't needed. While Kamov was famous at the time for his autogyros, the Soviet government was more interested in helicopters so he designed the KA-8 as a flying motorcycle (vozdushnii mototsikl). The NACA-230 blades were laminate wood covered by fabric and attached to a metal hub. The drag and flap hinges were driven by superimposed swash plates that the pilot directly controlled. The engine and fuel tank were located at the front, a tail fin (later changed to a rudder) was installed at the rear, and pontoons were used for landing. The frame was made from welded steel tubing. The original handlebar controls were replaced with vertical collective and cyclic levers and the pontoons were narrowed after being flown and evaluated by Mikhail Gurov in 1947.^[1]

Specifications

Data from The Illustrated Encyclopedia of Helicopters^[2] & Stingray's List of Rotor Aircraft^[3]

General characteristics

Crew: one
Length: 3.7 m (12 ft 2 in)
Width: 2.5 m (8 ft 2 in)
Height: 2.5 m (8 ft 2 in)
Empty weight: 183 kg (403 lb)
Gross weight: 275 kg (606 lb)
Powerplant: 1 × M-75 2-cyl. horizontally opposed air-cooled piston engine, 20 kW (27 hp) (license-built BMW motorcycle engine)
Main rotor diameter: 2 × 5.6 m (18 ft 4 in)

Performance

Maximum speed: 80 km/h (50 mph, 43 kn)
Service ceiling: 250 m (820 ft)

References

Wikimedia Commons has media related to Kamov Ka-8.

Notes

^ "Kamov Ka-8 - Stingray's List of Rotorcraft".
^ Apostolo 1984, p. 108.
^ "Kamov Ka-8 - Stingray's List of Rotorcraft".

Bibliography

Apostolo, Giorgio. The Illustrated Encyclopedia of Helicopters. New York: Bonanza Books, 1984. ISBN 0-517-439352.

The initial version of this article was based on material from aviation.ru. It has been released under the GFDL by the copyright holder.

v t e Kamov aircraft
Military or dual-use	Ka-8 Ka-10 Ka-15 Ka-20 Ka-22 Ka-25 Ka-27 Ka-28 Ka-29 Ka-31 Ka-32 Ka-35 Ka-40 Ka-50 Ka-52 Ka-60 Ka-137
Civilian	Ka-18 Ka-26 Ka-37 Ka-62 Ka-115 Ka-126 Ka-226
Other products	Snowmobile Ka-30 Snowmobile Sever-2 Snowmobile Ka-36
Projects	KaSkr-1 / KaSkr-2 Autogyro TsAGI А-7 Autogyro AK Ka-34 Ka-35D Ka-56 Ka-64 V-50 V-80 V-100 Ka-90 Ka-92 Ka-118 Ka-128 Ka-252
See also	List of rotorcraft — Kamov

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