| SP90G | |
|---|---|
| Type | Electric aircraft engine | 
| National origin | Germany | 
| Manufacturer | Siemens | 
The Siemens SP90G is a German electric motor for powering electric aircraft, designed and produced by Siemens of Erlangen.[1]
Design and development
The SP90G is a brushless design producing 65 kW (87 hp), with an outrunner coil. The design uses a planetary gear mechanical gearbox reduction drive.[1]
Specifications (SP90G)
Data from Tacke[1]
General characteristics
- Type: Brushless electric aircraft engine
 - Length: 180 mm (7.1 in)
 - Diameter: 224 mm (8.8 in)
 - Dry weight: 13 kg (28.7 lb)
 
Components
- Coil type: Outrunner
 - Cooling system: air
 - Reduction gear: planetary gear mechanical gearbox
 
Performance
- Power output: 65 kW (87 hp)
 - Voltage: V nominal
 - Power-to-weight ratio: 5.0 kW/kg
 
See also
Related lists
References
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