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Today I had my 912iS exceed the coolant temperature. I didn't notice it creeping up as I was waiting for take off and by the time I got an audio notification from the Dynon it was already at 255. I shut down the engine within a couple seconds of this. I'm wondering what if any follow up there should be after this. Looking at the Dynon data A DEVICE STS (CAN 1508) goes to 80000 which I assume is what triggered the audio warning. Also curious what others have set for their caution and warning levels for oil and coolant temps. Thank you.

  • Re: Follow up after coolant temperature exceeded

    by » 2 hours ago


    Hi Brian,

      assuming you are talking 255 F so only 123 c that is only slightly above the 120 deg max. I very much doubt that that has caused any problems.

    I have set my limits as per the Rotax manual and the warnings at 20 deg c below max.

    The bigger issue is figuring out why it was hot and what you can do about it, there are a number of discussions on this forum around that.

    I thought you guys were in the middle of winter ? peak summer here so hot temps not unusual !

    regards

     

    Glenn


  • Re: Follow up after coolant temperature exceeded

    by » 2 hours ago


    Thank you Glenn. Yes 255 degrees F. I'll look at setting mine 20 degrees C below. Yes we are in the middle of winter but have had some close to spring weather the last couple days. I had installed a cover from my plane manufacturer that partially blocks the radiator to provide better cabin heat and let the engine oil get higher than 160 degrees it was getting before to try and boil off any water that may have gotten in. With the Rotax I've gotten spoiled with not having to worry about temperatures while idling but with the cover on that is not the case. It was only around 63 degrees F OAT so not super warm but apparently too warm for an extended idle.


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