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NST BS 650

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German aircraft engine

BS 650
Type Aircraft engine
National origin Germany
Manufacturer NST-Machinenbau

The NST BS 650 is a German aircraft engine that was designed and produced by NST-Machinenbau of Niedergörsdorf for use in ultralight aircraft.

By March 2018 the engine was no longer advertised on the company website and seems to be out of production.

Design and development

The BS 650 is a twin-cylinder four-stroke, Vee configuration, 630 cc (38.4 cu in) displacement, air-cooled, petrol engine design, with a poly V belt reduction drive with a reduction ratio of 2.7:1. It employs dual magnetos and produces 35 hp (26 kW) at 4200 rpm, with a compression ratio of 9.0:1.

Specifications (BS 650)

Data from Tacke

General characteristics

  • Type: V-twin cylinder, four stroke aircraft engine
  • Bore: 76 mm (3.0 in)
  • Stroke: 70 mm (2.8 in)
  • Displacement: 630 cc (38.4 cu in)
  • Length: 400 mm (15.7 in)
  • Width: 3,600 mm (141.7 in)
  • Height: 280 mm (11.0 in)
  • Dry weight: 33 kg (72.8 lb)

Components

Performance

  • Power output: 35 hp (26 kW)

See also

Related lists

References

  1. ^ Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 260-261. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  2. ALF - Altes Lager Fliegermeister. "ALF – Altes Lager Fliegermeister". fliegermeister.eu. Retrieved 5 April 2018.
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