The U-2 Experimental Category Motor Glider, deisgned by Don Mitchell, was first flown in 1980. It became at that time, and remains today, the highest performing aircraft of all lightweight, inexpensive motor gliders.The Mitchell-designed innovation he called Stabilators are upside-down airfoils that hang slightly below the trailing wing edges. They provide downloading for pitch stability and double as combination elevators for pitch and ailerons for roll control. The stabilators are manipulated by the stick through a mixer box using pull rods housed inside channels where the outer wing panels meet the main section when they are in the unfolded position.
The rudders, each upright on their respective wingtip, swing outward for directional control and combined with the stabilators, provide the same three-axis control as a conventional aircraft.
The U-2 is comfortable in front of a 20 hors
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