Learn how to 3D: Knife Edge / High Alpha Knife Edgeaerofundanaerofundan8:29 amMarch 4th, 2019 Learn how to 3D: Knife Edge / High Alpha Knife Edge Posted byaerofundan 03/04/2019 Videos 0 Share: Related Articles XR-61T at Joe Knoxville 2021 Natesh flying the PA Ultimate AMR 60 in a hot summer day! Katana 52 at the Lake with Alex! NXT-100HV Mini Servo Michael Wargo at RCACF in Apopka Florida PA XR-52 slow 3D with Dan Dominguez