I got a little bit more work done on the "new" rudder. I bought a belt sander for this task and let me tell you it was well worth it!
I found that one of my issues with the rudder travel was that the hinges on the vertical stab were not aligned on a common center line. I was using the seam as a centerline and it was a pretty dumb thing to do. I primed the trailing edge of the vertical stab to hide this seam and it made life a lot easier. Also, the hinge tool I was using to find the center doesn't seem to work well on tapered objects.