Orbital Technologies Corp. (ORBITEC), of Madison, Wisconsin, announced the successful testing of an innovative new liquid-fueled rocket engine the company said could be an integral part of programs promoting low-cost access to space. ORBITEC announced last week that it tested the first rocket engine that operates without hot combustion gases contacting the combustion chamber wall. ORBITEC's creation uses a vortex flowfield inside the combustion chamber to confine the gases ...


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