Introduction The Ultrix™ features a unique all-new design that delivers a flight experience unlike any other especially for models in the UMX™ Ultra Micro eXtreme class. This twin brushless motor-powered delta wing airplane excels at smooth sport flying basic aerobatics and even aggressive 3D — all in the same flight. Its incredible power-to-weight ratio provides hovering capability and unlimited vertical performance. Differential thrust adds yaw control and the ability to perform advanced aerobatic maneuvers including harriers amazing flat spins and more.