| 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
- Coil type: inrunner
 - Cooling system: air
 - Reduction gear: none
 
Performance
- Power output: 261 kW (350 hp)
 - Voltage: V nominal
 - Best efficiency: 95
 - Power-to-weight ratio: 5.22 kW/kg
 
See also
Related lists
References
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.