MINIATURE AIRCRAFT Interceptor G

The Miniature Aircraft ® Interceptor is the first series-produced model helicopter designed specifically for the second-generation O.S. GT15HZ-II gasoline engine.

The Interceptor has a specially designed cooling system to keep the engine temperature under control in all situations. Different fan impellers allow the engine power required for cooling to be matched to the environmental conditions, gear ratio, rotor blade length and the pilot's flying style. An aggressive 3D flying style, flown in Florida, requires a different cooling system setup than leisurely flying in Montana. This can optimize the flight performance of the helicopter by adjusting the motor power needed for cooling.

The cooling shaft is designed in such a way that the cylinder head of the engine is completely encapsulated and is completely surrounded by the cooling air flow. Thus, the entire surface of the cylinder head contributes to the cooling of the engine.

The engine performance of a two-stroke engine depends - among other things - on the temperature of the crankcase. The lower its temperature, the better the filling level of the cylinder and the higher the power of the engine. For this reason, the Interceptor's cooling fan sucks in air from "below". The air flows past the crankcase and cools it. For this reason, it is particularly important that the cooling air shaft of the cylinder completely encloses it so that no heated air is drawn in from the cylinder by the cooling fan.

The Interceptor boasts a host of new features and innovations that form a high-performance yet smooth and quiet-running helicopter, designed and built to meet the demands of today's pilots and flying styles.