Prop size??

Sea Rider

Sea Rider

Supreme Mariner
Joined
Sep 20, 2008
Messages
12,345
If being an In board engine running at max wot rpm range with adequate deck weight distribution, trim should dial same example issues as of posted OB issues. Will test that setting with our local marina same type boats to check which setting planes combo more efficiently and faster out of the hole. A boat is a powered cork...

Happy Boating
 
M

Maclin

Admiral
Joined
May 27, 2007
Messages
6,761
Ideal trim for optimum top speed cruising in an I/O will not be the same setting to use when taking off from dead stop when towing skiers. Inverse applies also.

Ahzzy, try the trim thing, it is free, and hope you can get out on the 4th and have some fun and report back!
 
A

Ahzzy

Cadet
Joined
Jun 28, 2017
Messages
9
Maclin said:
Ideal trim for optimum top speed cruising in an I/O will not be the same setting to use when taking off from dead stop when towing skiers. Inverse applies also.

Ahzzy, try the trim thing, it is free, and hope you can get out on the 4th and have some fun and report back!
Click to expand...

I did get out yesterday. Got the boat to plane just fine tried the trim got about 200-300 more RPMs and was running 4000-4100. I'm also wondering if it doesn't need a 17 pitch instead of 19? Or is that going in the wrong direction? I also haven't been able to do a compression test yet.

Hope everyone had a great 4th!
 
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