A rocket turbine engine is a combination of two types of propulsion engines: a liquid-propellant rocket and a turbine jet engine. Its power-to-weight ratio is a little higher than a regular jet engine, and works at higher altitudes. "Testing of a novel propulsion system for micro air vehicles" ''Pfoceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering" Volume 215, Number 4, pages 207-218 / 200

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Jet engines Rocket engines {{aviation-stub