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 Alex Fredrickson shares what he thinks about the new Katana 60 ! Snap to hover – Quarantine project! Learn to fly 3D from home! NXT-100HV Dynamic tests Green XR-61T first flights by Daniel Dominguez Michael Wargo at RCACF in Apopka Florida PA XR-52 slow 3D with Dan Dominguez