Prop Help.?
 

with my new motor build I am in need of a new prop. Here is what I have going on.

3 blade Mirage 14" 23p s.s. @ 5500 RPM 65 M.P.H. on G.P.S. I had a lot of cavitation at w.o.t. to the point that it was making my motor bounce off of the rev limiter at times. This prop had amazing mid-range acceleration.

I am in throttle ups test prop program and they sent me a 4 blade bravo 1 24p s.s. and @ 5000 rpm 60 M.P.H. on G.P.S. with this prop it was cavatating slightly out of the hole but it did jump up a lot better than the 3 blade but the midrange was blah.. it also cavatated midrange quite a bit. This prop also limited my R.P.M. by 500 compared to the other prop and resulted in 5 m.ph. loss in speed.

So I have to do a few more tests with the 4 blade to see what is going on and why this 4 blade is not working out. I was told that the drive shower could be affecting it, so I am going to remove the pick up and give it a whirl. So far throttle up has been extremely helpful and very knowlegeable, hopefully I can get this darn prop figured out

Try a 24p rev 4. I have heard alot of good things about theses props. Also look into the 23p hydromotive QIV-X, Hard to find but may work good for your application. Good luck and if you do try the Rev 4 post your results, I also would like to try one.:D