Naturally, if you’re [Daniel Riley] of RCTestFlight, then you have to 3D print a few of them ... In a bubble test, air is blown in front of the spinning propeller to visualize the flow of ...

We would recommend some eye (and body) protection when spinning these ... With a 3D printer, it’s possible to experiment with all manner of propeller designs, and we’d love to see the best ...

Designed in the early Cold War as an experimental hybrid between jet and propeller aircraft ... With its twin-coupled engines, drive shafts spinning beside the pilot, and variable pitch blades ...

In addition, the robot demonstrated directed fluidic transportation through a spinning-based pumping mechanism facilitated by its shaftless propeller structure. Experiments conducted in 3D-printed ...

A prototype of the world’s first class approved ship’s propeller manufactured using 3D printing techniques has been produced by a cooperative consortium of companies that includes Damen ...