AR731 - 38 BHP
UAV Target Engine

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.

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UAV Design Features

  • Exceptionally high power to weight ratio.
  • Small frontal area concentric to propeller axis.
  • Low fuel consumption (allowing greater range of payload).
  • Low levels of vibration.
  • Both tractor and pusher versions available.