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Old 30-07-2016, 17:36   #1
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1978 Hunter 30'

Hello All,
The first trip out with our (new to us ) Hunter 30' we could only make 2.5 kts under power. its a 12hp Yanmar. What speed should I make?
Thank you,
Ray
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Old 30-07-2016, 20:53   #2
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Re: 1978 Hunter 30'

At least twice that. Is it overdue for a bottom paint job? If so, that and a dirty prop would do it. If not, maybe partially restricted fuel filter on the yanmar. I'm assuming the Yanmar is a 2GM Diesel or similar. Good luck.

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Old 30-07-2016, 20:54   #3
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Re: 1978 Hunter 30'

Could you have been against a strong tidal current?

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Old 30-07-2016, 21:10   #4
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Re: 1978 Hunter 30'

yep... GPS or ships speed log?

GPS is more accurate for movement around the globe. But it does not measure speed through moving water very well.

And then if the ships speed log has growth/debris in it , it won't red properly.

So you may not need to blame the engine yet.
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Old 31-07-2016, 09:32   #5
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Re: 1978 Hunter 30'

Good point, how are you measuring speed?

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