The Béarn 6 suffered from lack of development and was not a commercial success, most production engines had been removed from service by 1950 due to poor reliability.[citation needed]
^ abWilkinson, Paul H. (1946). Aircraft engines of the World 1946 (3rd ed.). London: Sir Isaac Pitman & Sons Ltd. pp. 220–221.
April 10, 2024
béarn, cylinder, cooled, piston, aircraft, engine, produced, france, late, 1930s, 1940s, early, 1950s, dtype, inverted, cooled, inline, piston, aircraft, enginenational, origin, francemanufacturer, construction, mécanique, béarn, contents, design, development,. The Bearn 6 was a six cylinder air cooled piston aircraft engine produced in France in the late 1930s 1940s and early 1950s 1 Bearn 6DType 6 cyl inverted air cooled inline piston aircraft engineNational origin FranceManufacturer Construction Mecanique du Bearn CMB Contents 1 Design and development 2 Variants 3 Applications 4 Specifications Bearn 6D 4 1 General characteristics 4 2 Components 4 3 Performance 5 See also 6 ReferencesDesign and development editThe Bearn 6 suffered from lack of development and was not a commercial success most production engines had been removed from service by 1950 due to poor reliability citation needed Variants edit6C 6D 6D 07Applications editDassault MD 303 Nord 2101 Norazur Dewoitine HD 731 SFCA Lignel 16 S C A N 20 SNCASO SO 90 SNCASE SE 700A S N C A C NC 420Specifications Bearn 6D editData from Aircraft Engines of the World 1946 1 General characteristics Type 6 cylinder inverted in line four stroke piston engine Bore 130 mm 5 12 in Stroke 135 mm 5 31 in Displacement 10 7 L 653 cu in Length 1 500 mm 59 06 in Width 450 mm 17 72 in Height 825 mm 32 48 in Dry weight 290 kg 640 lb Frontal Area 0 33 m2 3 6 sq ft Components Valvetrain 2 overhead valves per cylinder pushrod actuated Supercharger Gear driven single speed supercharger with 11 15 1 gear ratio Fuel system 1x Zenith 80RGSL 05 updraught carburettor with automatic boost control Fuel type 87 octane petrol Oil system Pressure fed at 4 8 bar 70 psi dry sump Cooling system Air cooled Reduction gear Planetary reduction gear 0 67 1 ratio adapted for Ratier or Chauviere variable pitch propellers Starter Air Equipment 51020 electric inertia starter Ignition 2 x R B GPBA magnetos 2 x spark plugs per cylinder fed by a shielded ignition harness Performance Power output Take off 310 kW 410 hp at 2 800rpm 1 160 mm 46 in 3 6 kg 7 9 lb boost with 100 130 octane petrol Normal 260 kW 350 hp at 2 700rpm at 2 000 m 6 600 ft Cruising 190 kW 260 hp at 2 200rpm at 2 000 m 6 600 ft Specific power 27 89 kW L 0 63 hp cu in Compression ratio 7 2 1 Specific fuel consumption 0 322 kg kW h 0 53 lb hp h Oil consumption 0 00669 kg kW h 0 011 lb hp h Power to weight ratio 0 968 kW kg 0 585 hp lb See also editRelated lists List of aircraft enginesReferences edit a b Wilkinson Paul H 1946 Aircraft engines of the World 1946 3rd ed London Sir Isaac Pitman amp Sons Ltd pp 220 221 Retrieved from https en wikipedia org w index php title Bearn 6 amp oldid 1113334500, wikipedia, wiki, book, books, library,
