A propulsor is a thrust-generating device that typically encloses a propeller or rotor within a duct or shroud. The duct reduces blade-tip vortices, improving efficiency at low speeds and reducing noise compared to an open propeller. They are commonly used on airships, hovercraft, and advanced vertical takeoff aircraft where directed thrust is required.
Heard on the job
Check the clearance on the port propulsor blades, we had a bird strike warning on approach.
Also heard as
- ducted fan