....cause binding through the guide block, and resistance to the servo. The alighnment doesn't have to be perfect, but it has to be close, and the three widths have to be the same. A drop of pure silicon lube in each guide-block prevents binding, and wont attract much dust.
The control horns are moved rearward from the hinge line...It is a distinctly asymmetrical system. This is also positive Ackerman; moving the holes in the control horns forward would create negative Ackerman, and this would cause problems.


Remember to mount the antenna up high on the tail....away from cables or rods.