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April 12, 2024
Pratt & Whitney was selected by the U.S. Department of Energy to develop novel, high-efficiency hydrogen-fueled propulsion technology for commercial aviation
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In February 2022, Pratt & Whitney was selected by the U.S. Department of Energy to develop novel, high-efficiency hydrogen-fueled propulsion technology for commercial aviation, as part of DoE’s Advanced Research Projects Agency-Energy (ARPA-E).

P&W call this HySIITE – Hydrogen Steam Injected, Inter?Cooled Turbine Engine.  P&W claims its HySIITE engine with steam injection will “dramatically reduce” nitrogen oxide emissions. Steam engines and aircraft go back a long way, in aviation terms.  As you will hear in our conversation with two engineers from P&W, that company developed and delivered two hydrogen-powered engines to the Skunk Works several decades ago, during the Cold War.

This story is fascinating. Brent Staubach and Vince Sidwell take us through the thinking.

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Co-Founder AirInsight. My previous life includes stints at Shell South Africa, CIC Research, and PA Consulting. Got bitten by the aviation bug and ended up an Avgeek. Then the data bug got me, making me a curious Avgeek seeking data-driven logic. Also, I appreciate conversations with smart people from whom I learn so much. Summary: I am very fortunate to work with and converse with great people.

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