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Radne Raket 120

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The Radne Raket 120 (English: Rocket) is a lightweight single cylinder, two-stroke aircraft engine used for powered hang gliders, paramotors and ultralight aircraft that is built by Radne Motor AB of Haninge, Sweden.

Contents

Design and development

The Raket 120 features electronic ignition and a Walbro carburetor. It weighs 6.8 kg (15 lb) and, due to its 13,000 rpm redline usually drives a propeller through a 3.6:1 reduction drive. The engine is equipped with a centrifugal clutch to allow running the engine without turning the propeller.

Variants

Raket 120 Aero
Model with recoil starter.
Raket 120 Aero ES
Model with electric starter.

Specifications (Raket 120 Aero)

Data from Radne, Wasp Systems and The World Directory of Leisure Aviation 2011-12

General characteristics

  • Type: two-stroke, single cylinder
  • Bore: 60 mm (2.4 in)
  • Stroke: 42 mm (1.7 in)
  • Displacement: 118.8 cc (7.2 cu in)
  • Length: 219 mm (8.6 in)
  • Width: 234 mm (9.2 in)
  • Height: 171 mm (6.7 in)
  • Dry weight: 6.8 kg (15 lb)
  • Components

  • Oil system: premixed 4% oil to fuel, 25:1
  • Cooling system: air cooled
  • Reduction gear: 3.6:1 belt drive and centrifugal clutch
  • Performance

  • Power output: 14 hp (10 kW) at 9000 rpm
  • Compression ratio: 10:1
  • Fuel consumption: 1.15 to 2 litres (0.25 to 0.44 imp gal; 0.30 to 0.53 US gal) per hour
  • References

    Radne Raket 120 Wikipedia