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.

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 ...

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 ...

Hartzell Propeller has announced it has secured the first Part 35 type certification from the FAA for a prop specifically engineered for electric and advanced air mobility (AAM) aircraft. In revealing ...

Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric ...

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 ...

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 ...

As part of Digital Propulsion (DigiProp), the National Composites Centre (NCC) has designed and manufactured a full-scale prototype of a propeller blade and its manufacturing system for turboprop ...