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 ...

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 ...

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 ...

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 ...