Emrax 2
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| Emrax 2 | |
|---|---|
| Type | Electric aircraft engine |
| National origin | Slovenia |
| Manufacturer | Emrax |
The Emrax 2 is a Slovenian electric motor for powering electric aircraft and other applications, designed and produced by Emrax d.o.o of Kamnik. The company was formerly called Enstroj and based in Radomlje.[1]
By May 2018 the engine was no longer advertised on the company website and seems to be out of production.[2]
Design and development
[edit | edit source]The Emrax 2 is a brushless 200 Volt design, producing 30 to 35 kW (40 to 47 hp), with an outrunner coil. It has a 94% 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]
Variants
[edit | edit source]- Emrax 2 AC
- Air-cooled version, producing 30 kW (40 hp) at 3000 rpm.[1]
- Emrax 2 LC
- Liquid-cooled version, producing 35 kW (47 hp) at 3000 rpm.[1]
Specifications (Emrax 2 AC)
[edit | edit source]Data from Bayerl[1]
General characteristics
- Type: Brushless electric aircraft engine
- Length: 86 mm (3.4 in)
- Diameter: 225 mm (8.9 in)
- Dry weight: 11.8 kg (26.0 lb)
Components
- Coil type: Outrunner
- Cooling system: air
- Reduction gear: none
Performance
- Power output: 30 kW (40 hp) at 3000 rpm
- Voltage: 200V
- Power-to-weight ratio: 7.8 kW/kg
See also
[edit | edit source]Related lists
References
[edit | edit source]- ^ a b c d e Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 242-243. WDLA UK, Lancaster UK, 2011. Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).