Jim Bowne (2004年2月). “These boots are made for flying: Rotor blades get new protective shields”. RDECOM Magazine. U.S. Army Research, Development and Engineering Command (Provisional). 2009年9月18日時点のオリジナルよりアーカイブ。2009年9月4日閲覧。 “The 'corona effect' is characterized by distinctive glowing rings along metal or fiberglass rotor blades operating in desert conditions.”
John M. Seddon, Simon Newman. Basic Helicopter Aerodynamics p216, John Wiley and Sons, 2011. Accessed: 25 February 2012. ISBN1-119-99410-1. Quote: The rotor is best served by rotating at a constant rotor speed
Robert Beckhusen. "Army Dumps All-Seeing Chopper Drone" Wired June 25, 2012. Accessed: 12 October 2013. Archived on 22 April 2015. Quote:The number of revolutions per minute is also set at a fixed rate
Jim Bowne (2004年2月). “These boots are made for flying: Rotor blades get new protective shields”. RDECOM Magazine. U.S. Army Research, Development and Engineering Command (Provisional). 2009年9月18日時点のオリジナルよりアーカイブ。2009年9月4日閲覧。 “The 'corona effect' is characterized by distinctive glowing rings along metal or fiberglass rotor blades operating in desert conditions.”
Robert Beckhusen. "Army Dumps All-Seeing Chopper Drone" Wired June 25, 2012. Accessed: 12 October 2013. Archived on 22 April 2015. Quote:The number of revolutions per minute is also set at a fixed rate