Ideally, one would want the arm holding the wheel vertical to the ground as much as possible.

I guess I'm looking at the mount for the rear support perpendicular to the skid and interpolating the angle, when it's probably going to go forward of that for a steeper angle. I hadn't anticipated the skid coming off of the airplane at a 50 degree angle, which seems pretty aggressive.

I've had some tail wheel woes and just want to keep you from experiencing the same...