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Old 19-12-2005, 15:41   #1
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Normal operating rpm

I have been unable to find a recommended figure for a "recommended" maximum rpm at which to run the motor during "normal" use.

The engine in question is a Volvo Penta 2003 (model, not year).

The Instruction book that I have downloaded quotes the maximum operating rpm as 3200 (producing 28 hp).

I'm guessing that there will be a percentage of the max revs that is recommended for long periods of motoring, and a higher percentage that may safely be used for short periods of time.

Because I cannot find any figures for safe rpm, I have been fairly conservative and stayed below 2200 rpm, but It would be nice to know if I could safely crank that up some without risking shortening the motor's life expectancy....

Anyone have any hard and fast figures or rule of thumb calculations?
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Old 19-12-2005, 15:58   #2
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Old 19-12-2005, 16:31   #3
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I looked at the power curve on Volvo's site. I think 2200 is to low. I'd run it between 2500-3000
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Old 19-12-2005, 17:44   #4
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80%

is the standard used for normal operation. If the maximum RPM is 3200 then the operating RPM would be in the vicinity of 2500 to 2600.

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