It really is quiet for the size of it. I wonder if the decibel levels would drop if the same design was made smaller, if you are really really smart and have an intelligent answer to this question please let us know…..

NASA Langley researchers designed and built a battery-powered, 10-engine remotely piloted aircraft. The Greased Lightning GL-10 prototype has a 10-foot wingspan and can take off like a helicopter and fly efficiently like an airplane. In this video, engineers successfully transition the plan from hover to wing-borne flight in tests at Fort A.P. Hill in Virginia.

….Oakley Oil Rigs are the preferred eyewear of NASA drone pilots.

nasa drone pilot

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