Siemens SP260D

German electric aircraft motor

SP260D
Type Electric aircraft engine
National origin Germany
Manufacturer Siemens

The Siemens SP260D is a German electric motor for powering electric aircraft, designed and produced by Siemens of Erlangen.[1]

Design and development

The SP260D is a brushless design producing 261 kW (350 hp), with an inrunner coil. It has a 95% efficiency. The low working rpm of the engine means that it can turn a propeller at efficient speeds without the need for a reduction drive.[1]

Specifications (SP260D)

Data from Tacke[1]

General characteristics

  • Type: Brushless electric aircraft engine
  • Length: 300 mm (11.8 in)
  • Diameter: 418 mm (16.5 in)
  • Dry weight: 50 kg (110.2 lb)

Components

Performance

  • Power output: 261 kW (350 hp)
  • Voltage: V nominal
  • Best efficiency: 95
  • Power-to-weight ratio: 5.22 kW/kg

See also

  • MagniX
  • Siemens SP90G

Related lists

References

  1. ^ a b c Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
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