Wedeneev M-14

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The Wedenejew M-14 ( Russian Веденеев М-14 ) is an air-cooled 9-cylinder radial engine with reduction gear and compressor by the Soviet designer Ivan Wedenejew , which is mainly used in aviation to this day. The engine is based on the Ivchenko AI-14 . The first attempts to increase performance were made in 1949.

history

M-9FW
Installation in the engine nacelle of a Kamow Ka-26

The first development that went into series production was the M-14P, initially with around 300 HP, which also reached the largest number and is still in series production today with 360 HP. A special variant for helicopters was the M-14W-26 with 320 hp and cooling fan.

variants

  • M-14
    • M-14PF, 395 hp
    • M-14PM, for aircraft, 315 hp
    • M-14PM-1, for aircraft, 355 HP ( Jakowlew Jak-52 )
    • M-14NTK, direct injection, 424 hp
    • M-14R, 450 hp
    • M-14W-26 for the Kamow Ka-26, with fan
  • M-9
    • M-9F
    • M-9FW
    • M-9FS, direct injection, 450 hp
    • M-8T

The engine is used in some Soviet and Russian aircraft and helicopter types, such as the Kamow Ka-26 , the Jakowlew Jak-52 , the Mil Mi-34 , the Sukhoi Su-26 and their derivatives, and the Jakowlew Jak-18 T. The prototype of the PZL-130 Orlik was also equipped with an M-14.

The M-14P motors are manufactured in small numbers in the Russian machine factory Voronezh as M-9. Variants of this are carried out by factory representatives. The price is € 13,500 for a completely overhauled engine with 360 hp. The MTBO is 500 hours.

Technical data (M-14P)

  • Design: 9-cylinder radial engine, air-cooled, with compressor
  • Valve train: 2-valve OHV
  • Gear reduction: 0.658
  • Bore: 105 mm
  • Stroke: 130 mm
  • Displacement: 10,161 cm³
  • Power: 360 PS (265 kW)
  • Maximum speed: 2950 / min
  • Diameter: 985 mm
  • Length: 924 mm
  • Dry weight 214 kg
  • Carburetor: A14P, suitable for aerobatics

See also

Web links

Commons : Wedenejew M-14  - collection of images, videos and audio files

Individual evidence

  1. a b Vedeneyev Engines. In: russianaeros.com. Richard Goode Aerobatics, accessed July 13, 2015 .
  2. M14P Specifications. (Pdf) Motorstar, January 1, 1989, p. 4 , accessed on July 13, 2015 (English).