I imagine my first few flights will be without the spinner unless anyone knows of some way to mount it.
As far as a different type spinner, there does not seem to be any extra room to fit a back plate behind the prop and have enough threads to hold it on.
RoyR,
I have the same motor and an APC prop in mine (I think it's an 11x7) and remember cutting out the spinner to get the prop to fit. You won't need to cut out as much as it seems you will. I cut 2 notches just to the flat part of the backplate and there were just enough threads left on the shaft to get the nut all the way on.