Pratt & Whitney Runs First Hybrid-Electric Engine Ground Test | Aviation International News

Pratt & Whitney Runs First Hybrid-Electric Engine Ground Test

Pratt & Whitney, along with sister company Collins, prepare for flight testing of the first hybrid-electric propulsion system on a Dash 8 aircraft in 2024.

Dash 8-100 hybrid-electric propulsion demonstrator in flight — Pratt & Whitney is working on a hybrid-electric propulsion system for regional airliners and plans to conduct flight tests in 2024 on a Dash 8-100. (Image: Pratt & Whitney)

By Charles Alcock • Managing Editor

December 20, 2022

Pratt & Whitney this week achieved the first engine run for its hybrid-electric demonstrator as it continues to prepare to start flight testing the propulsion system on a Dash 8 regional airliner in 2024. Reporting the test on December 20, the Raytheon Technologies subsidiary said that the demonstrator combines an unspecified turbine engine with a 1 MW electric motor produced by its sister company Collins Aerospace for an overall power output of 2 MW, which is comparable to that of a PW121 turboprop engine.

The initial run for the propulsion system was conducted at Pratt & Whitney’s innovation center at Longueuil in Quebec. The program, which has received funding from both federal and provincial governments in Canada, aims to achieve a 30 percent reduction in fuel burn and carbon dioxide emissions compared with current aircraft engines.

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