Emrax 268

Emrax 268
Type	Electric aircraft engine
National origin	Slovenia
Manufacturer	Emrax

The Emrax 268 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]

Design and development

The Emrax 268 is a brushless 250 volt design producing a peak of 230 kW (308 hp), 100 kW (134 hp) continuous, with an outrunner coil. It has a 98% 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]^[2]

Specifications (Emrax 268)

Data from Tacke and manufacturer^[1]^[2]

General characteristics

Type: Brushless electric aircraft engine
Length: 91 mm (3.6 in)
Diameter: 268 mm (10.6 in)
Dry weight: 19.9 kg (43.9 lb)

Components

Coil type: outrunner
Cooling system: air and/or liquid
Reduction gear: none

Performance

Power output: 230 kW (308 hp) peak, 100 kW (134 hp) continuous
Voltage: 250 V nominal
Best efficiency: 98%
Power-to-weight ratio: 11.6 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
^ ^a ^b Emrax. "Emrax 268". emrax.com. Retrieved 29 April 2018.

External links

Official website

[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

[Emrax268-2] Emrax. "Emrax 268". emrax.com. Retrieved 29 April 2018.

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[2]