Start out drilling one of control sticks lower holes to 1/4 inch,. Install the control sticks onto the torque tube, install bearing between two large washers , and installed on each side of stick and greased the bearing up good. a 3/4 nut retains the assembly. I did not have my big sockets that day so I tried using a wrench, gouged up the soft nut, looks like crap. a control link tube connects to the bottom of the sticks which will connect to the aileron cables, You do fabricate some bushings from 1/4 tube stock for the control sticks for the bolt to pass through grease and tighten. You then bolt the assembly to the square tube they put in for you. One hole though drill out the other hole and tighten
