Learn how to 3D: Knife Edge Elevator / DeathslideDan DomDan Dom2:38 pmAugust 8th, 2019 Learn how to 3D: Knife Edge Elevator / Deathslide Posted byDan Dom 08/08/2019 Videos 0 Share: Related Articles XR-61 take your aerobatics next level! Learn how to 3D: Rolling Harrier Ultimate AMR 60 flown by Antonio de Souza Daniel takes the green XR-61T to new heights in this adrenaline-fueled video! Upgraded PA XR series with new rear mounted motor box! PA Katana 52 – best plane to make jaws drop, capable of all style of aerobatics!