With a history dating back to the Wright Brothers, Hartzell Propellers has learned to adapt with changes in aviation. From ...

MIT recently announced its research on toroidal propellers to create quieter ... You can see his tests in the video below. The shape of the blades on the MIT drones is visible in video and ...

Test results of the different boat propeller designs. (Credit: rctestflight) Interestingly, the 2-blade FDM-printed propeller ended up performing the best, while the bi-blade design (with two sets ...