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Correct props???
Posted: September 6th, 2014, 8:44 pm
by Cheers
We have a 1987 Carver 4227, twin 454 with 2:91:1 gear reduction. It currently has 24 X 22 props and I'm wondering if these are fresh or salt water application, boat resides at Lake Superior. Cruises nice at 10/12 Knots and I'm getting 26 at WOT, does this sound about right for this boat??
Re: Correct props???
Posted: September 7th, 2014, 7:39 am
by CYO Admin
You should be looking at RPMs. What are the motors rated at, and are you achieving that at WOT?
Re: Correct props???
Posted: September 7th, 2014, 8:07 am
by Cheers
We are seeing 3900-4000 at WOT, according to the documents I have the max is 4500.
Re: Correct props???
Posted: September 7th, 2014, 10:30 am
by CYO Admin
The first thing I would do is verify that your tachs are accurate. Analog tach are notoriously inaccurate.