A contra-rotating propeller system uses two propellers spinning in opposite directions. This impressive feat of engineering ...

How do you measure the power of a jet engine if not in horsepower? The real metric might surprise you and it explains why ...

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 ...

Distributed ducted propellers show immense potential for low-altitude aircraft, but the vast number of possible designs complicates standardized analysis. This research introduces a novel equivalent ...

Abdulghani Mohamed is a researcher at RMIT university who receives funding from a few companies for undertaking aerodynamic optimisation. The basic configuration of traditional propellers has not ...

This paper by TSAW Drones discusses the need for less noise in UAVs, how these toroidals can benefit the drone industry, how these propellers came to be and how exactly they reduce the noise. Also, in ...