Geiger HDP 13.5
The Geiger HDP 13.5 is a German electric motor for powering electric aircraft, designed and produced by Geiger Engineering of Seigendorf, Hirschaid, Oberfranken.[1]
| HDP 13.5 | |
|---|---|
| Type | Electric aircraft engine |
| National origin | Germany |
| Manufacturer | Geiger Engineering |
| Unit cost | €2,490 (2015) |
Design and development
The HDP 13.5 is a brushless 58 volt design producing 13.5 kW (18 hp), with an outrunner coil. It has a 93% 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 (HDP 13.5)
Data from Tacke[1]
General characteristics
- Type: Brushless electric aircraft engine
- Length: 181 mm (7.1 in)
- Diameter: 215 mm (8.5 in)
- Dry weight: 4.70 kg (10.4 lb)
Components
- Coil type: outrunner
- Cooling system: air
- Reduction gear: none
Performance
- Power output: 13.5 kW (18 hp)
- Voltage: 58V nominal
- Power-to-weight ratio: 2.9 kW/kg
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References
- Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262-263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
External links
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