As United Technologies Advanced Projects (UTAP) prepares to convert a De Havilland Canada Dash 8 Q100 regional aircraft into a parallel hybrid-electric flight demonstrator, the company is providing new details about operational reengining concepts that could reduce fuel burn by 30% and lower overall energy consumption by 26% on average flights up to 250 nm. In a parallel hybrid-electric system, the propulsor is powered by both a gas turbine and an electric motor. The turbine is fed by fuel ...

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