1. 3Zawodny, N., Boyd, D., Jr., and Burley, C. "Acoustic Characterization and Prediction of Representative, Small-Scale Rotary-Wing unmanned Aircraft System Components," 72ndAmerican Helicopter Society International Annual Forum, West PalmBeach, FL,2016, pp.34-38.
2. Experimental Study of Quadcopter Acoustics and Performance at Static Thrust Conditions