SMA Aero Engines Technologies

SMA Aero Engines Technologies, based on the expertise of SMA and Safran stands for reliability and robustness

The Single-lever control decreases the pilot’s workload, while improving safety thanks to a mechanical backup that takes over for electronic flight control if needed.

The turbocharger developed by SMA, supported by Safran’s expertise in turbines,fully meets the required engine performance targets. The turbocharger maintains take-off power up to an altitude of 10,000 ft, and retains its performance independently of outside temperature.

The electronic control unit (ECU) optimizes engine start, provides maximum power according to outside conditions (altitude, pressure, temperature), and controls the engine at low speed and power levels.

The mechanical injection pump, which manages the fuel supply, is operated by the ECU in normal mode, or by the pilot in manual mode. The engine’s air and oil cooling systems offers simplified engine integration and the absence of risks inherent in liquid cooling systems. This type of injection system has been proven on other applications, including under extreme temperature conditions.

The propeller interface allows mounting a variable speed propeller, using direct drive without a reduction gearbox. The propeller is maintained at a constant speed by its hydro mechanical control system, without requiring pilot input during the flight.