Sharrow knew it had a market disruptor on its hands the instant it transformed propeller blades into more efficient twisted ...

In this series, I will be building a single propeller spherical drone which will be controlled via an Arduino. I have designed this drone in Solidworks 3D CAD software and I will be making all of the ...

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

Sharrow's extraordinary looped propellers were already some 30% more efficient than traditional designs – and now the company has put two of them together into a coaxial, contra-rotating prop that ...