Emrax 207

Emrax 207
Type	Electric aircraft engine
National origin	Slovenia
Manufacturer	Emrax

The Emrax 207 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 April 2018 the engine was no longer advertised on the company website and seems to be out of production.^[2]

Design and development

The Emrax 207 is a brushless design producing 70 kW (94 hp), with an outrunner coil. 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 (Emrax 207)

Data from Tacke^[1]

General characteristics

Type: Brushless electric aircraft engine
Length: 85 mm (3.3 in)
Diameter: 207 mm (8.1 in)
Dry weight: 9 kg (19.8 lb)

Components

Coil type: Outrunner
Cooling system: air
Reduction gear: none

Performance

Power output: 70 kW (94 hp)
Power-to-weight ratio: 7.8 kW/kg

References

^ ^a ^b ^c Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262–263. Flying Pages Europe SARL, 2015. ISSN 1368-485X
^ Emrax. "EMRAX". emrax.com. Retrieved 29 April 2018.

[WDLA15-1] Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, pages 262–263. Flying Pages Europe SARL, 2015. ISSN 1368-485X

[2] Emrax. "EMRAX". emrax.com. Retrieved 29 April 2018.

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