4/28 THRU 5/3 WORK ON SPINNER. INSTALLED PROP AND TIGHTENED DOWN WITH PLATES ON MEASURED AND CUT OUT OPENINGS FOR BLADES DRILLED AND INSTALLED NUT PLATES ETC AFTER I CHECKED FOR CENTER ON THE SPINNER. FABRICATED THE BACK PLATES OUT OF (.063 ALUMINUM) IN BACK OF SPINNER DRILLED AND INSTALLED NUT PLATES