Contact Fiberclassic's, I think they make an adaptor for mounting a OS 91 or anything else you want.
I was going to stick one in the nose but I think I'll save my bucks and look for a good deal on a blower.

What's a good trouble free turbine for a Roo and a jet newbee?

Waiver? I don't need no stinkin waiver... I live in the desert.