UMX Ultrix BNF BasicIntroduction 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