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The Renault 6Q, also called the Renault Bengali 6, is an air-cooled six-cylinder, inverted piston engine, producing about 160 kW (220 hp) continuous power. It was designed and built in France and produced for more than ten years after its homologation in 1936, with large numbers built during World War II.[1][2]
| Renault 6Q | |
|---|---|
 | |
| Renault 6Q on display at the Polish Aviation Museum | |
| Type | 6-cylinder inverted air-cooled inline |
| National origin | France |
| Manufacturer | Renault |
| First run | c.1932 |
| Number built | >3360 |
Design and development
The six-cylinder Renault 6Q and the four-cylinder Renault 4P, both from the early 1930s, shared the same bore, stroke and pistons.[3]
The 6Q was built in both unsupercharged and supercharged forms. The centrifugal supercharger was added at the back of the engine, driven off the crankshaft via step-up gearing. It added 13 kg (29 lb) to the weight and 242 mm (9.5 in) to the length but boosted the performance at altitude to a continuous power of 177 kW (237 hp) at 2,500 rpm and 2,200 m (7,220 ft). Two pre-war models were optimised to different altitudes, the 02/03 right- and left-handed pair to 2,000 m (6,560 ft), with 7.61:1 gearing and the 04/05 pair to 4,000 m (13,120 ft), with 12.274 gearing.[4]
Operational history
The 6Q was homologated in 1936; 1700 were built before the war and 1660 during it.[2] Post-war, production was resumed.[3] The majority of pre-war 6Qs were used in Caudron C.440 Goélands, during the war in Goélands and post-war in Nord's Messerschmitt Bf 108 derived Nord Pingouin, in the Nord Noralpha and Ramier Bf 108 developments.
Variants
Even sub-type numbers rotate clockwise, odd numbers anti-clockwise as seen from engine.[4]
- Renault 6Q-00/01
- Unsupercharged LH/RH rotation
- Renault 6Q-02/03
- 220 hp (160 kW) Supercharged to 2,000 m (6,600 ft) LH/RH rotation
- Renault 6Q-04/05
- 240 hp (180 kW) Supercharged to 4,000 m (13,000 ft) LH/RH rotation
- Renault 6Q-06/07
- 233 hp (174 kW) LH/RH rotation
- Renault 6Q-08/09
- 240 hp (180 kW) LH/RH rotation
- Renault 6Q-10/11
- 230 hp (170 kW) LH/RH rotation
- Renault 6Q-18/19
- LH/RH rotation
- Renault 6Q-20/21
- 300 hp (220 kW) LH/RH rotation
Applications
- Caudron C.440 Goéland
- Caudron C.631-5 Simoun
- Caudron C.640 Typhon
- Caudron C.690
- Caudron C.860
- Dewoitine HD.730
- Farman F.430
- Hanriot H.230
- Morane-Saulnier MS.350
- Morane-Saulnier MS.501
- Nord 1101/2 Noralpha/Ramier
- Nord Pingouin
- Potez 661
- Rey R.1
- SNCASE SE-700
- SNCASE SE-1210
Engines on display
Specifications (post-war unsupercharged)
Data from Jane's All the World's Aircraft 1948, p.55d[3]
General characteristics
- Type: 6-cylinder inverted air-cooled inline
- Bore: 120 mm (4.72 in)
- Stroke: 140 mm (5.51 in)
- Displacement: 9.5 l (580 cu in)
- Length: 1,600 mm (63.0 in)
- Width: 510 mm (20.1 in)
- Height: 920 mm (36.2 in)
- Dry weight: 240 kg (529 lb) dry
Components
- Valvetrain: One inlet and one exhaust valve per cylinder with Austenitic, driven via tappets, rocker arms and pushrods from a camshaft in the crankcase.
- Fuel system: Twin Zenith carburetters and SEV ignition magnetos; two sparking plugs per cylinder.
- Oil system: Dry sump with pump to crankshaft, camshaft and big ends. Cylinders and pistons splash lubricated.
- Cooling system: Air
- Cylinders: Steel barrels with machined fins aluminium heads with cast fins and hemispherical combustion chamber.
- Pistons: Aluminium alloy forged with four piston rings and floating gudgeon pins. Duralumin connecting rods with white metal big-end bearings and bronze little-end bushes.
- Crankshaft: Forged steel with six throws and seven bearings.
- Crankcase: Aluminium, with magnesium cover and main bearing in crankcase extension.
Performance
- Power output: Take-off 174 kW (233 hp) at 2,500 rpm; normal 163 kW (218 hp) at 2,500 rpm and 500 m (1,640 ft)
- Compression ratio: 6:1
See also
Related development
Comparable engines
- Alfa Romeo 115
- Argus As 17
- de Havilland Gipsy Queen
- de Havilland Gipsy Six
- Isotta Fraschini Beta
- Menasco Buccaneer
Related lists
References
- Gunston, Bill (1998). World Encyclopaedia of Aero Engines (4 ed.). Wellingborough: Patrick Stephens Ltd. p. 149. ISBN 1-85260-163-9.
- Gerard Hartmann. "Les Moteurs d'Aviation Renault" (PDF). p. 24. Retrieved 14 March 2014.
- Bridgman, Leonard (1948). Jane's All the World's Aircraft 1948. London: Sampson, Low, Marston and Co. Ltd. p. 55d.
- Grey, C.G. (1972). Jane's All the World's Aircraft 1938. London: David & Charles. p. 53d. ISBN 0715-35734-4.
- Ogden, Bob (2009). Aviation Museums and Collections of Mainland Europe. Air Britain (Historians) Ltd. p. 125. ISBN 978-0-85130-418-2.
На других языках
- [en] Renault 6Q
[fr] Renault 6Q
Le Renault 6Q est un moteur à piston de six cylindres en ligne refroidi par air, produisant une puissance continue de 160 kW (220 ch). Il a été conçu et construit en France et a été fabriqué pendant plus de dix ans après son homologation en 1936. De nombreux exemplaires ont été construits pendant la Seconde Guerre mondiale[1],[2].[ru] Renault 6Q
Renault 6Q— поршневой авиационный двигатель воздушного охлаждения, разработанный и производившийся компанией Renault в 1930-е — 1940-е годы. В отечественных источниках, наряду с другими перевёрнутыми рядными двигателями этой компании, могут именоваться как Рено Бенгали.Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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