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post #1 of 4 Old 02-07-2014 Thread Starter
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Minimum Continuous Rating

What would be the minimum continuous rpm recommended to operate a Yanmar 2YM15 diesel?
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post #2 of 4 Old 02-07-2014
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Re: Minimum Continuous Rating

60% to 80% of max has seemed to apply to every diesel I've known anyway. Someone here may know an oddity about this one. But, you first have to insure your prop is properly pitched to allow you to get to max under load at wide open throttle for a few seconds. Otherwise, all bets are off. A quick google search says max rpm should be 3600.


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post #3 of 4 Old 02-07-2014 Thread Starter
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Re: Minimum Continuous Rating

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Originally Posted by Minnewaska View Post
60% to 80% of max has seemed to apply to every diesel I've known anyway. Someone here may know an oddity about this one. But, you first have to insure your prop is properly pitched to allow you to get to max under load at wide open throttle for a few seconds. Otherwise, all bets are off. A quick google search says max rpm should be 3600.
So that would put it at about 8hp at 2400rpm, according to the curves. Coincidentally this is also the point of maximum torque. Perhaps that's not a coincidence after all??
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post #4 of 4 Old 02-07-2014
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Re: Minimum Continuous Rating

All the Yanmar's I've owned (ok, all of two) had both continuous and max ratings on their nameplates.

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