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LONDON—Hill Helicopters, the developer of a turbine-powered light helicopter, said it is closing in on the long-awaited first run of its in-house-developed turboshaft engine. The UK firm, which is ...

Sikorsky team members remove a T901 engine from it shipping crate at the Sikorsky facility in West Palm Beach, Florida. (David Hylton/U.S. Army) The U.S. Army has not yet terminated the Improved ...

History and classifications of aero-engine -- Performance parameters of jet engines -- Pulsejet and ramjet engines -- Turbojet engine -- Turbofan engines -- Shaft engines -- High speed supersonic and ...