AIE’s 225CS engine beats the heat in AFRL flight testing

Advanced Innovative Engineering (AIE) across US-UK Small UAS Engine activities demonstrates a world-class UAS propulsion system. AIE demonstrated the capabilities of its 38 HP rotary engine, the AIE 225CS (Compact SPARCS – Self Pressurizing Air Rotor Cooling System).

“SPARCS is an advanced rotor cooling system that dramatically increases engine performance and engine life. This technology has consistently delivered power even in the most extreme temperature conditions.
Nathan Bailey, Managing Director (MD), Advanced Innovative Engineering, UK.

In a week of flight testing, the AIE engine delivered exceptional climb and altitude performance. The engine handled ambient ground temperatures in excess of 45°C (113°F), dramatically shortening the vehicle’s takeoff distance and exceeding the base ceiling with significantly higher rates of climb!

Flight testing was considered a complete success, with one flight engineer commenting, “I have to say this was the smoothest engine installation I have ever been involved with. The engine always started and ran as advertised.

This effort is carried out in partnership with the UK MOD, the Defense Science and Technology Laboratory (DTSL) and the US Air Force Research Laboratory (AFRL). AFRL Small Scale Propulsion Manager Dr. Gregory Minkiewicz said: “This engine will enable the UAS vision system to have new ISR capabilities in terms of long range and extended range ISR missions.”

Advanced Innovative Engineering (AIE)
AIE specializes in the design and development of Wankel type rotary engines for unmanned aerial vehicles, automotive and marine applications. Using state-of-the-art engineering and manufacturing processes, AIE creates high power-to-weight ratio propulsion systems that are reliable, versatile, and offer low total cost of ownership for the civil and defense markets. AIE’s patented SPARCS is a revolutionary liquid cooling system that offers thermal balancing, a method that eliminates distortion, thus extending the life of the engine and its components. The company’s vision is to design high quality products designed without compromise and simple to use and maintain.

AIE engines offer unmatched performance in terms of power, weight, efficiency and capacity. When you choose an AIE engine, you get all the benefits of a Wankel rotary engine – more power, less weight, less vibration – combined with the benefits of our patented SPARCS cooling system.

You can find more details about AIE’s drone motors at: https://www.aieuk.com/wankel-rotary-uav-engines

Air Force Research Laboratory (AFRL)
To learn more about the AFRL, visit – https://www.afrl.af.mil/

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