Denny Graham,
I remembered your pulley nut exercise...hope I didn't talk out of class.
https://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Board=2&Number=367667&Searchpage=1&Main=50883&Words=%26quot%3Bpulley+nut%26quot%3B&topic=0&Search=true#Post367667
Stuart