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Renault 4P

FieldValue
name4P
engine_typeAir-cooled 4-cylinder inverted inline piston engine
manufacturerRenault
national_originFrance

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 95 to 150.

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 115 bore and 140 stroke, delivered 95 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 110 to 120, with the adoption of 120 bore steel cylinder liners, aluminium alloy cylinder heads attached by long studs to the crankcase, Duralumin connecting rods and magnesium alloy crankcase.

The 4Pei was produced in the USSR, with local equipment and features from the MV-6, as the Voronezh MV-4 (Motor Vozdushniy / Motor Voronezhskiy - air-cooled engine / Voronezh built engine {correct interpretation is unclear}).

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 115 bore and 140 stroke, delivered 95 ;Renault 4Pa : ;Renault 4Pb :upright 95 hp / 135 kg - Caudron Luciole ;Renault 4Pbi :Inverted development of the Pb retaining the 115 bore ;Renault 4Pc :Further development of the Ps retaining the 115 bore ;Renault 4Pci :inverted 4Pc ;Renault 4Pde : ;Renault 4Pdi :Inverted, introduced 120 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 150 for take-off, the 4Pei entered production before WWII ;Renault 4Pfi: ;Renault 4Pgi :Inverted lower rated version, giving 105 for take-off, using 73-octane fuel. ;Renault 4Po : ;Renault 4Poi : 140 with fuel injection. ;Renault 4P-01 :Postwar production version of the 4Pei, rated at 145 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 150 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

  • Albert 4P
  • ANF Les Mureaux 160T
  • Aubert Cigale
  • Bodiansky 20
  • Boisavia Mercurey
  • Caudron C.193
  • Caudron C.232
  • Caudron C.270 Luciole
  • Caudron C.280 Phalène
  • Caudron C.362
  • Caudron C.430 Rafale
  • Caudron C.480 Frégate
  • Caudron C.510 Pelican
  • Caudron C.530 Rafale
  • Caudron C.580
  • Caudron C.600 Aiglon
  • Caudron C.601 Aiglon Senior
  • Caudron C.610
  • Farman F.230
  • Farman F.281
  • Farman F.350
  • Gourdou G.120 Hy
  • Guillemin JG.10
  • Max Holste MH.52
  • Hanriot LH.16
  • Hanriot H.180
  • Morane-Saulnier MS.341
  • Nord Norécrin
  • Potez 36/19
  • SABCA S.40
  • Stampe et Vertongen SV-4B
  • Sud-Est SE-2100
  • Sud-Est SE-2300
  • Sud-Est SE-2310
  • Moskalyev SAM-14
  • Yakovlev UT-2

Specifications (Renault 4P-01)

and start a new, fully formatted line with --

  • 145 hp at 2,450 rpm at take-off
  • 140 hp at 2,400 rpm at sea-level normal
  • 110 hp at 2,200 rpm at sea-level cruise |power/weight= 0.74 kW/kg

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.

References

  1. Wilkinson, Paul H.. (1945). "Aircraft Engines of the World 1945". Paul H. Wilkinson.
  2. Wilkuinson, Paul H.. (1946). "Aircraft Engines of the World 1946". Sir Isaac Pitman & Sons.
  3. Kotelnikov, Vladimir. (2005). "Russian Piston Aero Engines". The Crowood Press Ltd..
Info: Wikipedia Source

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