Could someone please tell me the full travel of the rudder cables, block to block at the attach pin on the rudder horn on the rudder pedal bar. I am building an assist lever for the right rudder pedal as I have a above the knee prosthesis and I need to know the travel to design the geometry and attach points for the rod between the lever and the pedal. I did this on our RV-4 by attaching a handle to the right rear rudder pedal and a hand brake lever on the control stick. Finished the 4 in 2007 and hobbs shows 630 hours. That is why I am so slow at getting the 12 done. To much fun!