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 ...

Hartzell Propeller has received a supplemental type certificate (STC) for its new three-bladed Carbon Voyager prop, making it available for various Cessna 180, 182, 185, 206, and T206 aircraft with ...

Sharrow knew it had a market disruptor on its hands the instant it transformed propeller blades into more efficient twisted loops. The hold-up of that disruption, however, has been in getting those ...