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FoiltechLaunch21V
06-30-2008, 09:07 PM
My 21V Launch came with a 13.75 X 17.5 prop.Just looking to get another prop for back-up. Also when the boat is full of people or all ballast are full I think I need a bigger diameter or a lesser pitch or both for "Hole shot" All we do is hydrofoil behind this boat so we range from 18-27 mph depending on who is riding. So top end is not that important. Any prop specialist out there?

LloydP
07-01-2008, 07:15 AM
I just got the OJ wakeboard prop for mine, and the difference is night and day. I am keeping the original (same as yours) for a backup now. Don't know about top end, but the boat jumps out of the water now, even fully loaded.

OJ 466 - 14.25 x 14 - I recommend it highly.

Lloyd

FoiltechLaunch21V
07-01-2008, 02:31 PM
Thanks, Did it change fuel consumption much? Have you moved up north already? We have been to Jordan every Fri, Sat and Sun.

LloydP
07-02-2008, 07:29 AM
I haven't noticed any change in fuel consumption, I think it would be hard to accurately gauge that.

We have been going back and forth between Kerr and Harris. I see that the lake levels are starting to drop already this year - we had better enjoy it while we can!

Lloyd

FoiltechLaunch21V
07-02-2008, 04:49 PM
I ordered a 14.5 X 14.25 Acme today should be here Monday. Can't wait to try it out.

FoiltechLaunch21V
07-02-2008, 05:00 PM
We have been going back and forth between Kerr and Harris.

Lloyd

Went to Harris last Thursday didn't stay long because my foil glitches so bad over there , I guess the plant material in the water is the cause. So we ended up going back to Jordan Fri , Sat and Sun. It was great not to crowded.

FoiltechLaunch21V
07-09-2008, 09:11 AM
Received my new prop yesterday, went to the lake the difference is night and day. Would recommend this prop as a replacement for the 13.75 x 17.5 on the 21V. For wakeboarding and hydrofoiling! You lose a little top end, but the pulling and hole shot are a noticable difference. Thanks to Jim at ACME for the call and the recommendation. 14.5 x14.25 1-1/8" LH .105 cup Acme # 1235