Thanks for your attention to my question. I have this article but I feel it's pretty weak. Using this method you may do more damage than good in my opinion. The diagonal measurements being equal will only result in a geometry with the hulls side-by-side. However, they may not be parallel. In addition, there is nothing there to check the angle at which the pylon leaves the casting (mine are REALLY sloppy). <br> <br>I think I could get the info to do the job to my satisfaction if I had a new (or in perfect condition) 16 to take some measurements on.<br><br>