The problem of components not conforming to their claimed specification is one that must challenge engineers in all fields, including it seems, that of multi-rotors and remote controlled aircraft. A ...

Quadcopters tend to have very poor efficency because of their high disk loading. High disk loading– that is, how much weight ...

Vertical Aerospace’s initial VX4 prototype was written off after the failure of a propeller blade due to a manufacturing fault which led to a loss of thrust from two of the aircraft’s remaining ...

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 ...

Most ship propellers spin around a horizontal shaft, but the Voith Schneider propeller does something completely different, ...