The Geiger HDP 10 is a German
electric motor
An electric motor is a 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 electromagnetic coil, wire winding to gene ...
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, ...
, designed and produced by
Geiger Engineering
Geiger Engineering GmbH is a German aircraft engine manufacturer based in Seigendorf, Hirschaid, Oberfranken. The company specializes in the design and manufacture of electric aircraft engines and related systems, including batteries, electri ...
of Seigendorf,
Hirschaid
Hirschaid is a German market town in the Upper Franconian district of Bamberg and lies roughly twelve kilometres south of Bamberg on the Regnitz and the Main-Danube Canal.
Geography
Location
The community's main centre lies south-southeast of Ba ...
,
Oberfranken
Upper Franconia (, ) is a (administrative 'Regierungs''region 'bezirk'' of the state of Bavaria, southern Germany. It forms part of the historically significant region of Franconia, the others being Middle Franconia and Lower Franconia, which a ...
.
[Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', pages 262-263. Flying Pages Europe SARL, 2015. ]
Design and development
The HDP 10 is a
brushless 58
volt
The volt (symbol: V) is the unit of electric potential, Voltage#Galvani potential vs. electrochemical potential, electric potential difference (voltage), and electromotive force in the International System of Units, International System of Uni ...
design producing at 1950 rpm, 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
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 ...
.
Specifications (HDP 10)
See also
References
External links
*{{Official website, http://www.geigerengineering.de/avionik-elektroantriebssystem/produkte/
Aircraft electric engines