Airplane propellers are primarily categorized into fixed-pitch, offering a performance compromise, and various adjustable-pitch types that allow for optimization across different flight conditions.

Imagine you're a whale. You spend your entire life in the open water. You can see well enough, but you mostly listen. Songs of other whales help you communicate and travel with your pod. Rhythmic ...

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 ...