RE: True Turn Spinner
Basement Troll,
Take a look at the Tru Turn Wide Spinner 2-1/2" 2-Blade at Tower Hobbies (Stock #2502BW). it is especially slotted for low pitch APC props used for 3-D maneuvers. This may fit your prop. It's not that much trouble to use a Dremel tool and re-cut the slots.