Hey Biscayne208 - is that a 3 or 4 blade prop? If you can spend some time to advise me on this thread, I'd appreciate it:
http://www.greatgrady.com/forum/viewtopic.php?f=2&t=15502
since my figures are, well, horrible! We're talking 10 MPH less at any RPM....
I gotta do something drastic, just...