Most propellers reverse direction to go astern, but controllable pitch propellers just twist their blades instead, keeping ...

When you picture a propeller-driven aircraft, you probably imagine a single engine plane with the propeller spinning at the front. There's a good reason for that, as the front-facing design has proven ...

The tension between speed, power and efficiency shows up clearly in the low-carbon fleet research. While improved fuel ...

Hartzell received the first FAA Part 35 type certification for a new five-bladed, carbon-fiber propeller designed specifically for electric, hybrid-electric, and advanced air mobility (AAM) aircraft.

When you're at an airport and see propeller aircraft, you likely think it is powered by a piston engine. This is usually true among smaller planes, like the Cessa 172 Skyhawk and the Piper Archer, or ...

Ludwig Wittgenstein was among the most difficult and abstract of philosophers. But that’s not how he started out. Wittgenstein was an early pioneer in aeronautical engineering. He published a treatise ...

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 ...

Practical techniques for hand-propping and other manual engine starts when an electric starter isn't available. The post ...