Propellers are primarily divided into fixed-pitch, which offer a compromise between climb and cruise performance, and various adjustable-pitch types for optimized flight across different conditions.

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 ...

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 ...

When one thinks of the average airplane, odds are that propellers are part of that mental image. They've been a crucial component of airplane construction from the moment air travel found its footing ...

Designers of airplane propellers used to weep into their blueprints every time a jet plane roared over the plant. They feared that the fierce little jets, which have no propellers, were the wave of ...

Jonathan Chestney, engineering leader at Dowty. Credit: Dowty Jonathan Chestney, engineering leader at GE Aerospace subsidiary Dowty, speaks with Aviation Week Network about advances in aircraft ...

Both versions of Beta’s Alia electric aircraft use Hartzell’s five-blade propeller for propulsion. Credit: Beta Technologies Hartzell Propeller has received the first FAA Part 35 type certification of ...

On July 21, Hartzell Propeller (Piqua, Ohio, U.S.) announced that it has received Federal Aviation Administration (FAA) Part 35 type certification for its first composite propeller designed ...