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 Inside Tumble – Quarantine project! Learn to fly 3D from home! Katana 52 in action! Pilot: Daniel Dominguez Katana 52 amazing new video by Ignacio Tapia Katana 52 Crazy 3D flight by Ignacio Tapia Michael Wargo at RCACF in Apopka Florida PA XR-52 slow 3D with Dan Dominguez