25 - 50kW Wankel engine AR731
8 - 180gsingle-rotorgasoline

25 - 50kW Wankel engine
25 - 50kW Wankel engine
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Engine power
25 - 50kW
Dry weight
8 - 180g
Number of rotors
Other characteristics


The AR731 has the highest power-to-weight ratio of any rotary engine in the world. It has been specifically designed and developed to be the ultimate engine for small target drones and short-life UAV's. TBO is 10 to 50 hours depending on duty cycle. This remarkable power unit offers many advantages over previously competitive twin cyclinder 2-stroke engines.


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.