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Airbus and Rolls-Royce hit eject on hybrid-electric airliner testbed after E-Fan X project fails to get off the ground

Yet Another Anonymous coward Silver badge

The APT project's problems were beyond anything to do with the turbine.

I wonder how practical a mass-produced turbine hybrid car engine would be?

A small 50-100Hp turbine with an integrated brushless type generator, so you don't have to make a 20,000rpm gearbox. It could run at a constant speed/load just charging the battery

Safety containment shouldn't be any harder than a turbo. Modern control is trivial (lab turbo molecular pumps run at 100K rpm safely) . They can burn pretty much any fuel and should be hot enough to have very little particle exhaust.

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