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
The Bristol Titan was a British five-cylinder air-cooled radial engine, designed and built by the Bristol Aeroplane Company in the late 1920s. It had the same size cylinders as the earlier Bristol Mercury engine, (displacing ), and produced ...
which was derived from a licensed version of the
Bristol Titan
The Bristol Titan was a British five-cylinder air-cooled radial engine, designed and built by the Bristol Aeroplane Company in the late 1920s. It had the same size cylinders as the earlier Bristol Mercury engine, (displacing ), and produced ...
. 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
Wright Cyclone was the name given to a family of air-cooled radial piston engines designed by the Wright Aeronautical Corporation and used in numerous American aircraft in the 1930s, 1940s and 1950s.
Background
The Wright Aeronautical Corporatio ...
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
Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...
by
Industria Aeronautică Română
Industria Aeronautică Română (IAR) (now IAR S.A. Brașov), or Romanian Aeronautic Industry in English, is a Romanian aerospace manufacturer. It is based in Ghimbav, near Brașov, Romania.
IAR was founded in 1925 with the aid of the Romanian g ...
(IAR).
Applications
*
Breguet Calcutta
*
IAR-15
*
Loire 70
*
Morane-Saulnier M.S.225
*
SNCAC NC.510
*
Wibault 313
*
Wibault 365
Specifications (9Kd)
See also
References
{{DEFAULTSORT:Gnome-Rhone 9K
1920s aircraft piston engines
Aircraft air-cooled radial piston engines
9K
M-75