This modification serves to address the issues of mechanical play in the X-Y (stick) axes of the Cougar. * Heavy handed * pilots soon discovered that the manufacturing tolerances and materials used would not last for a * lifetime *.
The Über-Cougar (prn.: eww-brr) modification involved individual remachining of the original gimbals, and then the addition of closer-tolerance, longer-lasting materials. Here are IJs U2 Development pics.