flown at Mach 2 at Taiki Aerospace Research Field in September 2010. See also Air turborocket ATREX Compressor map HOTOL Hydrogen vehicle Hydrogen-cooled turbo generator Intercooler Liquid air cycle engine Lockheed CL-400 Suntan Reaction Engines A2 SABRE (rocket engine) Skylon (spacecraft) References Gas turbines Jet engines Hydrogen technologies