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Gnome-Rhône 9K

1920s French piston aircraft engine

1920s French piston aircraft engine

FieldValue
name9K
imageGnome et Rhône 9K.jpg
engine_typeRadial engine
manufacturerGnome et Rhône
developed_intoPiaggio Stella P.IX

The Gnome-Rhône 9K Mistral was a nine-cylinder 550 hp (405 kW) to 700 hp air-cooled radial engine, that started life as an enlarged Gnome-Rhône 7K with two extra cylinders.

Design and development

The Gnome-Rhône 7K itself was an enlarged version of the Gnome-Rhône 5K which was derived from a licensed version of the Bristol Titan. A redesign of the cylinders is indicated by the K suffix. The 9K was followed by the larger and more powerful 14-cylinder twin row Gnome-Rhône 14K.

The 9K was license produced by Hungarian company Weiss Manfréd Repülogép- és Motorgyár Rt. (WM Rt, the aircraft engine factory of Manfred Weiss). The 9K was also produced in the Soviet Union as the M-75 at GAZ-29 in Zaporozhye. Only small numbers were built and it was dropped in favor of the M-25 a version of the Wright Cyclone and the M-85 a version of the Gnome-Rhône 14K Mistral Major.

Variants

;9K: ;9Kbr: ;9Kdr: ;9Kdrs: ;9Kers: ;9Kfr:

;I.A.R. 9KIc40:Licence production in Romania by Industria Aeronautică Română (IAR).

Applications

  • Breguet Calcutta
  • IAR-15
  • Loire 70
  • Morane-Saulnier M.S.225
  • SNCAC NC.510
  • Wibault 313
  • Wibault 365

Specifications (9Kd)

  • :Kdr 0.666· reduction gear - 1297 mm
  • :Kdrs 0.5 reduction gear - 1323 mm
  • :Kdrs 0.666· reduction gear - 1325 mm
  • :Kdr 0.666· reduction gear - 360 kg
  • :Kdrs 0.5 reduction gear - 369 kg
  • :Kdrs 0.666· reduction gear - 374 kg
  • :Kdrs - 500 hp at 1500 m
  • :Kdrs - 450 hp at 4000 m |power/weight=

References

References

  1. "Moteurs Gnome-Rhône series K". Société Des Moteurs Gnome-Rhône.
Info: Wikipedia Source

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