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 Catalina/Capri 25/250 Sailor's Forums
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 Yanmar 9hp		  New Topic  Topic Locked
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rgreno
Deckhand

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Canada
3 Posts
Initially Posted - 08/06/2011 :  07:41:10  Show Profile
I have a c250 with a 9hp yanmar operating at 2300rpm hull spd is only around 3.2 knt I can't seem to get to hull spd? Am I running too low rpm what kind of spd should I expect? Any help is appreciated.
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JeanAndre
Navigator

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USA
224 Posts
Response Posted - 08/07/2011 :  18:45:32  Show Profile  Visit JeanAndre's Homepage
Hi,
It would be best if you posted your question on the C250 forum instead of the swap meet forum.
I understand that your boat should have a hull speed of about 5.5 to 6.0 kts.
Many things can influence speed, Propeller condition, cleanliness of the hull... I do think you can run your Yanmar at 2500 to 2800 rpm, check your motor manual.
Cheers
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.