Safran has begun studies into the use of hybrid power on helicopters as a way to cut fuel consumption. The French company believes that the right-sizing of engines through the use of a turbine-electric hybrid power system could cut fuel consumption by 10-15%. “The main issue in twin-turbine helicopters is that the engine is sized for one-engine inoperative [OEI] flight,” says Cyrille Poetsch, executive vice president for programs at Safran Helicopter Engines (formerly ...

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