One last comment, Frank, on what is an excellent job, is to get hold of some pulleys for wire guidance which have a much sharper "Vee" with a narrow bottom (if you'll excuse the expression) as this will improve thr wire guidance with multi-layer winding. Also the distance between the last guide pulley and the coil should be as short as possible, again to improve guidance.
I echo what others have said. Your project would make an excellent article for thr BVWS magazine.