The de Havilland Goblin, formerly Halford H-1, was a turbo-jet aircraft engine designed by engineer Frank Halford and produced initially by the British manufacturer de Havilland Engine Company and subsequently by Rolls-Royce Limited under the designation Rolls-Royce Goblin. The Goblin was among the first jet engines used in some famous aircrafts after World War II, such as the de Havilland DH.100 Vampire. The engine has a centrifugaul single-stage compressor, 16 combustion chambers and a single-stage axial turbine.