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 edit
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) edit
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
- Fuel type: petrol
- Cooling system: air
- Reduction gear: poly V belt
Performance
- Power output: 35 hp (26 kW)
See also edit
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