welcome to the zoo....
well..to answer your question...there are a few things we need to know...like what is your wot..wide open throttle...meaning when you slam the throttle to full pwr...what is the rpm on the engine..according to your owners manual..you should be between 4200-4800 rpm...
with that said.....if your running a 14x23 and hitting say 4400 rpm...then that's where your going to want to be at..however ..if say your looking for a better hole shot...then say a 14x21 or 14x19 prop is going to probably put you near the high end of the rpm range...which is getting up where the engine is really close to it's limits...now if your swinging a 17x23 prop and only getting something like 4200 rpm or less...then you are loading your engine...
the easiest way to check the diameter is to measure the distance from the ctr of the hub to the tip of the blade...multiply that by 2...that should give you your first number......
hope this helps....
SP
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SSN683 Association member
Par Excellence
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2008 Bayliner 340 - "Wild Whim"
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