Siemens SP260D
The Siemens SP260D is a German electric motor for powering electric aircraft, designed and produced by Siemens of Erlangen.[1]
| SP260D | |
|---|---|
| Type | Electric aircraft engine |
| National origin | Germany |
| Manufacturer | Siemens |
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
References
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