The Renault 4P, also called the Renault Bengali Junior, was a series of air-cooled 4-cylinder inverted
inline aero engines designed and built in France from 1927, which produced from to .
Design and development
Charles Lindbergh's
Atlantic Ocean crossing in 1927 inspired Renault to enter the light aero-engine market to diversify the range of engines they offered. The resulting Renault 4Ps, with bore and stroke, delivered and proved popular, later versions powering several record-breaking light aircraft.
Developed by
Charles-Edmond Serre, by 1931 the 6.3-litre 4Pdi had evolved to give to , with the adoption of bore steel cylinder liners,
aluminium alloy cylinder heads attached by long studs to the crankcase,
Duralumin
Duralumin (also called duraluminum, duraluminium, duralum, dural(l)ium, or dural) is a trade name for one of the earliest types of age-hardenable aluminium alloys. The term is a combination of '' Dürener'' and ''aluminium''.
Its use as a tra ...
connecting rods and
magnesium alloy crankcase.
The 4Pei was produced in the
USSR, with local equipment and features from the
MV-6
The Renault 6P, also called the Renault Bengali, was a series of air-cooled 6-cylinder inverted in-line aero engines designed and built in France from the late 1920s, which produced from to .
Design and development
Charles Lindbergh's Atlantic ...
, as the Voronezh MV-4 (''Motor Vozdushniy'' / ''Motor Voronezhskiy'' - air-cooled engine / Voronezh built engine ).
In 1946 production of the Renault 4P-01 resumed at the
SNECMA factory at
Arnage, until 1949, with at least 762 engines manufactured.
Variants
;Renault 4Ps
:The initial version with bore and stroke, delivered
;Renault 4Pa
:
;Renault 4Pb
:upright / -
Caudron Luciole
The Caudron C.270 ''Luciole'' ("Firefly") was a sporting, touring and trainer aircraft produced in France in the 1930s, derived from the C.230.
Design and construction
It was a conventional biplane with single-bay, unstaggered wings of equal s ...
;Renault 4Pbi
:Inverted development of the Pb retaining the bore
;Renault 4Pc
:Further development of the Ps retaining the bore
;Renault 4Pci
:inverted 4Pc
;Renault 4Pde
:
;Renault 4Pdi
:Inverted, introduced bore steel cylinder liners, aluminium alloy cylinder heads attached by long studs to the crankcase, Duralumin connecting rods and magnesium alloy crankcase. 110 hp / 150 kg -
Hanriot 16, 120 hp / 155 kg -
Caudron Phalène
;Renault 4Pei
:Inverted, rated at for take-off, the 4Pei entered production before WWII
;Renault 4Pfi:
;Renault 4Pgi
:Inverted lower rated version, giving for take-off, using 73-octane fuel.
;Renault 4Po
:
;Renault 4Poi
: with fuel injection.
;Renault 4P-01
:Postwar production version of the 4Pei, rated at for take-off.
;Renault 4P-03
:As the 4P-01 but with an inverted flight
Zenith carburettor
;Renault 4P-05
:As for the 4P-03 but with a modified oil system
;Renault 4P-07
:As for the 4P-03 but with a modified carburettor
;MV-4:Licence production of a Renault 4Pei variant in the
USSR at the
Voronezh factory. 180+ were built in 1939 before production ceased, due to a shortage of indigenous carburettors.
Applications
Specifications (Renault 4P-01)
See also
References
* Gérard Hartmann, ''Les Moteurs d'avion Renault''
*Wilkinson, Paul H.. ''Aircraft Engines of the World 1945 3rd edition''. Paul H. Wilkinson. 1945. New York.
*Wilkinson, Paul H.. ''Aircraft Engines of the World 1946 revised edition''. Sir Isaac Pitman & Sons Ltd.. 1946. London.
{{Renault aeroengines
1920s aircraft piston engines
4P