Hirth Motors Receives Contract to Produce Engine for Rheinmetall Defence Electronics KZO UAV

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Hirth Motors receives contract to produce a 350cc air-cooled 2-stroke boxer engine with electronic fuel injection for Rheinmetall's KZO UAV. Production of this 25kW engine to start in August 2010.

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The sale of engines to Rheinmetall Defence Electronics expands our UAV business in Germany and further builds our global presence as a UAV propulsion solution provider.

Goebler-Hirthmotoren KG (Hirth Motors) has been contracted by Rheinmetall Defence Electronics of Germany to produce the engine for the KZO unmanned air vehicle (UAV). The engine is a 350cc air-cooled 2-stroke boxer engine with electronic fuel injection producing 25kW (33.5hp). Engine production starts in August, 2010 at Hirth’s headquarters in Benningen, Germany to support Rheinmetall’s deliveries of the KZO UAV to the German Army. The KZO is a reconnaissance and target acquisition UAV that has been used by the German Army since 2005. It has a launch weight of 161kg, wing span of 3.42m and an air speed of 150km/h.

Hirth has been producing engines since 1917 and their reputation for reliable lightweight 2-stroke engines in the sport aviation market has helped to increase demand of their engines in the UAV market. Their engines are evolving to meet the demanding requirements of UAV’s. Key technology includes advanced materials for improved durability; advanced fuel injection systems for improved performance, fuel consumption and the ability to burn heavy fuels; as well as advanced electronic systems for low electro-magnetic interference (EMI) signature and in-flight diagnostics.

Hirth’s advanced 2-stroke engines are already used in a number of UAV platforms around the world today. “We have invested significant resources in facilities and personnel over the past year to meet demand for our engines," said Siegfried Goebler, Hirth’s CEO/Owner. “The sale of engines to Rheinmetall Defence Electronics expands our UAV business in Germany and further builds our global presence as a UAV propulsion solution provider."

About Hirth Motors:
Hirth Motors is a privately held company that has been producing 2-stroke engines in Germany since 1917. Their products are used in a number of applications including: ultra-lights, powered parachutes, gyrocopters, hovercraft, water pumps, APU’s, and UAV’s.

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Siegfried Goebler
Hirth Motors
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