An awesome new way to pitch blades for control

This video has left me with my jaw dropped. This is as significant as the wheel, or someone reinventing the wheel. With this, helicopters and coaxial copters will require less moving parts and be lighter overall. Great job everyone involved!

via: http://hackaday.com/2014/12/16/uav-coaxial-copter-uses-unique-drive-mechanism/

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