MTU gets support from Pratt & Whitney to develop the WET engine
(leehamnews.com)https://leehamnews.com/2022/11/29/mtu-gets-support-from-pratt-whitney-to-develop-the-wet-engine/Extracting water from the exhaust and injecting it as steam, seems like an interesting idea. Lower temperature and higher mass flow means more power extracted from the exhaust gases. The hybrid part seems dumb to me. The steam injector already adds 1 to 1.5 tons to each engine. That weight will have to be taken from the fuselage. Adding batteries and a hybrid system would add an additional 2 tons, minimum. Seems like an excessive weight gain especially for a 1.5MW hybrid system. Seems pointless when the engine is capable of 20MW on its own.
