Chris, it is a great chart, graph. It can help others understand the reaction from each iron and you need not, explain your thoughts (you already have, the graphs do work). If this is to much don't use it, than there is others. Very Good Work! Thank You
After reading some of the responses, the center of the ball is not always neutral, If there is a face on the green or fairway that will change the effect, also the wind does the same, clubs being used etc..