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 Addiction X V2 3D flight just before dark! Ultimate AMR 60 Joe Nall 2019 Noon Demo E-Line by Alex Fredrickson Ultimate AMR 60 – Natesh experimenting with flat spins and other assorted tricks! Addiction X – Michael Wargo Michael Wargo at RCACF in Apopka Florida PA XR-52 slow 3D with Dan Dominguez