The NST BS 650 is a German aircraft engine that was designed and produced by NST-Machinenbau of Niedergörsdorf for use in ultralight aircraft.[1]

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

By March 2018 the engine was no longer advertised on the company website and seems to be out of production.[2]

Design and development

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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.[1]

Specifications (BS 650)

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Data from Tacke[1]

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

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Related lists

References

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  1. ^ a b c 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.