Gnome Monosoupape Rotary Engines2024-04-22T11:47:47+12:00

Gnome Monosoupape 9 Cylinder B2

General characteristics

  • Type: 9-cylinder, single-row, rotary engine
  • Bore: 110 mm (4.3 in)
  • Stroke: 150 mm (5.9 in)
  • Displacement: 12.8 L (781.63 cu in)
  • Length: 107.4 cm (42.3 in)
  • Diameter: 95 cm (37.4 in)
  • Dry weight: 128 kg (282 lb)

Components

  • Valvetrain: Single overhead valve
  • Fuel type: 45ltrs p/hr 100 Octane Avgas
  • Oil system: Total loss, castor oil
  • Cooling system: Air-cooled
  • Reduction gear: Nil, direct drive, right-hand tractor, left-hand pusher

Performance

  • Power output: 120 hp at 1150 rpm
  • Torque: 600 lbft
  • Maximum Continuous Power: 1250RPM
  • Compression ratio: 4.85:1

Aircraft that used the Monosoupape B2 engine

  • Avro 504
  • Airco DH.2
  • Airco DH.5
  • Blackburn Scout
  • Blackburn Twin Blackburn
  • Blackburn Triplane
  • Bristol-Coanda T.B.8
  • Bristol Scout
  • FBA Type B Flying boat
  • Nieuport IV
  • Royal Aircraft Factory B.E.8
  • Royal Aircraft Factory F.E.8
  • Short S.80
  • Short Type C
  • Sopwith Sociable
  • Sopwith Type 807 Folder Seaplane
  • Sopwith Two-Seat Scout
  • Sopwith Schneider
  • Sopwith Pup
  • Sopwith F.1 Camel
  • Vickers Gunbus (FB.2, 3, 5, 6 and 7)
  • Vickers F.B.12
  • Vickers F.B 19 Bullet
  • Yuriev-Cheremukhin TsAGI 1-EA helicopter, 1931-32

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Gnome Monosoupape 7 Cylinder Type A

General characteristics

  • Type: 7-cylinder, single-row, rotary engine
  • Bore: 110 mm (4.3 in)
  • Stroke: 150 mm (5.9 in)
  • Displacement: 9.98 L (609 cu in)
  • Length: 107.4 cm (42.3 in)
  • Diameter: 90 cm (35.4 in)
  • Dry weight: 107 kg (236 lb)

Components

  • Valvetrain: Single overhead valve
  • Fuel type: 100 Octane Avgas
  • Oil system: Total loss, castor oil
  • Cooling system: Air-cooled
  • Reduction gear: Nil, direct drive, right-hand tractor, left-hand pusher

Performance

  • Power output: 100 hp at 1150 rpm
  • Torque: 465 ftlb
  • Maximum Continuous Power: 1250RPM
  • Compression ratio: 4.85:1

Aircraft that used the Monosoupape 7 Type A

  • Avro 504
  • Avro 511
  • Bristol-Coanda G.B.75
  • Sopwith Pup
  • Voisin L