Propfan

A propfan, also called a propjet, an open rotor engine, or an open fan engine, is an aircraft engine combining features of turbofans and turboprops. It uses advanced, curved propeller blades without a duct.

Source: Wikipedia — Propfan (CC BY-SA 4.0)

Propfan

A propfan, also called a propjet, an open rotor engine, or an open fan engine, is an aircraft engine combining features of turbofans and turboprops. It uses advanced, curved propeller blades without a duct.

Source: Wikipedia "Propfan" · CC BY-SA 4.0

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