Hartzell Propeller has received an FAA STC for a new three-bladed Polaris composite propeller for diesel-powered Diamond DA40 NG aircraft. The new Polaris propeller replaces the standard ...

Diesel engines are a rarity in aviation history, but they've carved out an interesting niche. While most aircraft rely on gasoline-powered piston engines or jet turbines, diesel has offered some ...

A propeller aircraft is seen passing by while its engines produce a clear and powerful sound during the short aviation clip.

General Atomics Aeronautical Systems, Inc. (GA-ASI) and Hindustan Aeronautics Limited (HAL) have jointly announced that turbo-propeller engines, which power GA-ASI’s state-of-art MQ-9B Remotely ...

The propeller — a relic from the dawn of powered flight more than a century ago — is making a comeback as an emblem of aviation’s greener future. Rotors are proliferating on futuristic air taxis and ...

Airplane propellers are broadly categorized into fixed-pitch, which offer a performance compromise, and adjustable types (constant-speed, ground-adjustable, controllable-pitch) that allow optimization ...

Scientists say they have designed a propeller system that can replace electrical and diesel -operated engines currently used to drive ferries ploughing the seas on pre-determined routes. The ...