Geiger HDP 10
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The Geiger HDP 10 is a German
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 for ...
for powering electric aircraft, 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, electric ...
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 B ...
,
Oberfranken Upper Franconia (german: Oberfranken) is a ''Regierungsbezirk'' (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 F ...
.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, 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 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