Aircraft propellers are broadly divided into fixed-pitch, which offer a performance compromise between climb and cruise, and variable-pitch types, which can adjust blade angle. Variable-pitch ...

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 ...

It's fairly common knowledge that when a supersonic aircraft approaches the sound barrier, what follows is the sonic boom. This transitory period between subsonic and supersonic, known as transonic ...

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 ...