Air turborocket
（重定向自Turboramjet）
![Nord 1500 Griffon II, which was powered by a turbojet-ramjet combination, a precursor to later turborocket designs.](/Images/godic/202502/18/Nord_1500_Griffon_II2614.JPG")
![Schematic of a turboramjet design](/Images/godic/202502/18/NASA-Turboramjet2614.jpg")
The air turborocket is a form of combined-cycle jet engine. The basic layout includes a gas generator, which produces high pressure gas, that drives a turbine/compressor assembly which compresses atmospheric air into a combustion chamber. This mixture is then combusted before leaving the device through a nozzle and creating thrust.