Home Electric Aircraft Rolls-Royce: E-Fan X aircraft will develop 2.5MW of power Rolls-Royce: E-Fan X aircraft will develop 2.5MW of power 25 Jul 2019 | Electric AircraftNews News for Airlines, Airports and the Aviation Industry | CAPA CAPA’s Aviation Industry News comprehensively covers the commercial aviation industry by providing users with over 400 news briefs per day.