AR682R - 95 BHP
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AR682R - 35 BHP ROTARY ENGINE FOR UAVs ENGINES The AR682R aero-engine has been developed to power UAVs which require up to 120 bhp. It is based on the proven AR642 core engine which was designed to meet UK CAA/European JAR-E and US FAA FAR-33 certification standards for manned flight. DESIGN FEATURES • High power to weight ratio. • Low levels of vibration. • Small frontal area. • Integral lightweight belt-type reduction • Economical fuel consumption. drive to propeller. TECHNICAL SPECIFICATION Engine Type: Capacity: Power Output: Twin rotor Wankel-type rotary engine. 294 cc per rotor. 90 bhp at 7000 engine rpm. Alternatively up to 120 bhp at 8000 rpm with EFI System 56.5 kg for full wet-running installed assembly as illustrated, including 2 kW generator, throttle actuator, fuel pump and pressure regulator etc. Propeller not included. Direction of Rotation: Anti-clockwise (looking at face of prop flange). Ignition System: Fully duplicated 28V c.d. system with magnetic triggering, R.F. shielded. Fuel Type: Avgas (100LL) or Regular grade (min 92 RON) Mogas automotive (leaded or unleaded) Specific Fuel Consumption: 0.55lb/bhp/hr at 70% cruise. (See overleaf for fuel quantity usage). Reduction Drive: Tooth belt system including heavy-duty rubber anti-torsional-vibration device. Standard ratio 2.03 to 1. NOTE Certain design features of the engine are covered by British, U.S. and other foreign patents.

Above shows typical Installation of complete power unit with accessories, excepting radiator. PERFORMANCE UP A TYPICAL PROPELLER LOAD LINE