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A comment on Rolls-Royce concludes testing of plane technology to break electric speed record. Parent comment

Re:Rolls-Royce concludes testing of plane technology to brea... by barbegal on Tuesday September 29, 2020 @05:42PM (#24633371)
Most of the propulsion of a modern turbofan engine comes from the fan rather than the jet turbine so ducted fans can match the speed of a turbofan.
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