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  1. O

    Wet stacking, RPM, I wonder aloud too much

    3 hours? What the heck is happening during that 3 hours? Operating temp shouldn't take that long... but I have no idea what a fdecu is. Sounds like like a bank. :-)
  2. O

    Wet stacking, RPM, I wonder aloud too much

    So based on your last sentence, you can prevent wet stacking by putting the engine under heavy load relative to the peak power output at the presently running RPM, with no need to ramp up the RPM to the point of max power output and then load it to that power output. An engine capable of 10 hp...
  3. O

    Wet stacking, RPM, I wonder aloud too much

    My question wasn't about the MEP 831A or L70 engines specifically, but about the phenomenon of wet stacking in general. I used the power output chart from the L70 simply as an example. Kind of like asking about how addition works, providing am example of 2+5 and someone saying "7, duh!"
  4. O

    Wet stacking, RPM, I wonder aloud too much

    831A. I am smoking crack. 317A is a road I used to ride my dual sport on.
  5. O

    Wet stacking, RPM, I wonder aloud too much

    317A. Oops. On a conference call. Heh.
  6. O

    Wet stacking, RPM, I wonder aloud too much

    I've got a few 817A's, one (hopefully just one) with a bad inverter... so began my wondering.
  7. O

    Wet stacking, RPM, I wonder aloud too much

    Yanmar L70 in this example.
  8. O

    Wet stacking, RPM, I wonder aloud too much

    Mostly thinking of either a belt driven generator, or running an a/c compressor, or rectifying the 3 phase AC to DC for battery bank charging. You know... I do tend to overthink things... But without access to Yanmar's engineers to give go/no-go on hare-brained schemes, I'm left trying to...
  9. O

    Wet stacking, RPM, I wonder aloud too much

    But... this is the crux... If in its application it's being run at a lower RPM, do I need to "load it" based on the HP output at that RPM, or at the HP output of the max power RPM? Also, hello over there in Roanoke!
  10. O

    Wet stacking, RPM, I wonder aloud too much

    That particular chart is for one of the Yanmar L70 sub models. I wonder if it is more rare on air cooled engines because they're generally smaller capacity and easier to "fully load". Also I assume they run hotter... But, I'm mostly curious in general! Probably the bigger ones! TNRiver, that...
  11. O

    Wet stacking, RPM, I wonder aloud too much

    I know it has been asked and discussed a lot, but I'm curious... The guideline I mostly recently saw was something like "Make sure to periodically run at at least 80% load". Given the above power curve... and some engines this may be even more pronounced... If someone wanted to run the engine...
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