Daily Memo: Wraps Come Off Pratt & Whitney’s Hydrogen Engine Concept

hysiite diagram

HySIITE diagram

Credit: Pratt & Whitney
For almost two years, Pratt & Whitney has been studying a novel combined cycle, hydrogen-fueled engine concept which it hopes may eventually pave the way for a range of new powerplants including radically more efficient commercial geared turbofans with zero carbon emissions. Supported by $3.8...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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