Boeing Updates on DARPA's DiscRotor

[SpArK]

Boeing Updates on DARPA's DiscRotor​

Boeing is building a 20%-scale telescoping-blade disc-rotor model for windtunnel-testing next summer under DARPA's DiscRotor program to demonstrate technology for a high-speed VTOL combat search-and-rescue aircraft.

YouTube - DARPA/Boeing DiscRotor​