The Emrax 2 is a
Slovenia
Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, and ...
n
electric motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate f ...
for powering
electric aircraft
An electric aircraft is an aircraft powered by electricity.
Electric aircraft are seen as a way to reduce the environmental effects of aviation, providing zero emissions and quieter flights.
Electricity may be supplied by a variety of methods ...
and other applications, designed and produced by
Emrax d.o.o of
Kamnik
Kamnik (; german: Stein''Leksikon občin kraljestev in dežel zastopanih v državnem zboru,'' vol. 6: ''Kranjsko''. 1906. Vienna: C. Kr. Dvorna in Državna Tiskarna, pp. 26–27. or ''Stein in Oberkrain'') is a town in northern Slovenia. It is ...
. The company was formerly called Enstroj and based in
Radomlje
Radomlje (; german: Radomle''Leksikon občin kraljestev in dežel zastopanih v državnem zboru,'' vol. 6: ''Kranjsko''. 1906. Vienna: C. Kr. Dvorna in Državna Tiskarna, p. 28.) is a settlement on the left bank of the Kamnik Bistrica River north o ...
.
[Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 242-243. WDLA UK, Lancaster UK, 2011. ]
By May 2018 the engine was no longer advertised on the company website and seems to be out of production.
Design and development
The Emrax 2 is a
brushless 200
Volt
The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827).
Defin ...
design, producing , 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
A reduction drive is a mechanical device to shift rotational speed. A planetary reduction drive is a small scale version using ball bearings in an epicyclic arrangement instead of toothed gears.
Reduction drives are used in engines of all kinds ...
.
Variants
;Emrax 2 AC
:Air-cooled version, producing at 3000 rpm.
;Emrax 2 LC
:Liquid-cooled version, producing at 3000 rpm.
Specifications (Emrax 2 AC)
See also
References
{{Emrax aircraft engines
Aircraft electric engines