Kamov Ka-15

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Ka-15
Kamov Ka-15 Hen (ID unknown) (9838722505).jpg
Kamov Ka-15
General information
TypeLight utility helicopter
National origin Soviet Union
Manufacturer Kamov
Number built375 [1]
History
Introduction date1955
First flight14 April 1952
Retired1970s
Developed from Kamov Ka-10
Variants Kamov Ka-18

The Kamov Ka-15 (NATO reporting name Hen [2] ) was a Soviet two-seat utility helicopter with coaxial rotors, which first flew on 14 April 1952 at the hands of test pilot D. K. Yefremov.[ citation needed ] It was the world's first mass-produced coaxial helicopter. State acceptance trials were completed in 1955, and the helicopter entered production the following year at aircraft factory No. 99 in Ulan-Ude.[ citation needed ] It was a precursor to the Ka-18 and was fitted with the M-14 engine (helicopter version). It was primarily used for bush patrol, agricultural purposes and fishery control.

Contents

Design and development

In 1950, after evaluating the single-seat Kamov Ka-10, Soviet Naval Aviation developed a requirement for a larger and more capable two-seat helicopter with an enclosed cabin, but keeping the coaxial rotor layout of the Ka-10. [3] [4] The first prototype of the resulting design, the Kamov Ka-15, entered flight testing in early 1952. [4]

While the Ka-10 was based around an open steel tube framework, the Ka-15 had a more conventional fuselage with a steel-tube structure, with the forward fuselage covered by plywood and the aft fuselage by stressed-skin duralumin. The crew of two sat side-by-side in an enclosed, and extensively glazed cockpit, with the pilot sitting on the left side of the cockpit, and access by sliding doors on either side of the cockpit. A 255 hp (190 kW) Ivchenko AI-14V radial engine was mounted behind the cockpit, and drove the three-bladed coaxial rotors. A twin tail was mounted above the rear fuselage. The aircraft had a fixed undercarriage, with two main wheels and two castoring nosewheels, with a tailskid mounted under the rear fuselage. [5] [6] [7]

Operational history

The Ka-15 entered service with Soviet Naval Aviation in about 1955, carrying out reconnaissance flights from icebreakers as well as liaison and training duties. The type was tested with a dipping sonar, but could not carry the equipment needed to be effective in an anti-submarine role. [5] [8] From 1958, a civil version, the Ka-15M, entered service with Aeroflot. Roles included crop spraying, (with Kamov claiming that the Ka-15 was more efficient than the competing Mil Mi-1), patrolling power lines and pipelines, carrying airmail, and air ambulance. [9] [8] [10]

Variants

Ka-15
Two-seat light utility helicopter for the Soviet Navy.
Ka-15M
Two-seat light utility helicopter. Civilian version of the Ka-15.
Ka-18
Four-seat light utility helicopter.

Operators

Flag of the Soviet Union.svg  Soviet Union

Specifications (Ka-15M)

Data from Soviet Transport Aircraft since 1945 [13]

General characteristics

Performance

See also

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

  1. ↑ "Ка-15 – HEN". militaryrussia.ru (in Russian). 2011-03-27.
  2. ↑ Gunston 1995, p. XXXI.
  3. ↑ Everett-Heath 1988, p. 37.
  4. 1 2 Gunston 1995, p. 138.
  5. 1 2 Gunston 1995, pp. 138–139.
  6. ↑ Everett-Heath 1988, pp. 37–38.
  7. ↑ Stroud 1968, pp. 136–137.
  8. 1 2 Everett-Heath 1988, p. 38.
  9. ↑ Gunston 1995, p. 139.
  10. ↑ Stroud 1968, p. 139.
  11. ↑ Flight International 13 July 1967, p.  65.
  12. ↑ Stroud Flight International 7 October 1971, p.  580.
  13. ↑ Stroud 1968, pp. 136–138.

Bibliography

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