The Week In Technology, Feb. 20-24, 2023

Joby Aviation S4 eVTOL in a wind tunnel

The Joby S4’s propeller blades are asymmetrically spaced around the hub to tailor its acoustic signature for noise reduction.

Credit: Joby Aviation
NFAC Tests for eVTOL Propeller Joby Aviation has begun testing the propeller for its S4 tiltprop electric vertical-takeoff-and-landing (eVTOL) aircraft in the National Full-Scale Aerodynamics Complex (NFAC) at NASA Ames Research Center at Moffett Field, California. An electric propulsion unit and...

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