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Thread: Rotax 912 Voltage regulator

  1. #1

    Join Date
    Apr 2013
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    Idaho Falls, ID
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    Default Rotax 912 Voltage regulator

    Is anyone using anything different on the Rotax 912 for a voltage regulator other than the Ducati one? Or does anyone know where they might be the cheapest to buy, other than CPS for $175.00 Possible a good used one?

  2. #2
    Senior Member SkyPirate's Avatar
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    Edgar Springs MO
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    Default Re: Rotax 912 Voltage regulator

    just curious,,did you check all connections? sometimes they can work loose or get a little corrosion
    Chase
    Model 5 OutBack
    912 UL

  3. #3

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    Default Re: Rotax 912 Voltage regulator

    I did check all the connections. Had a voltage spike and quit working. Won't charge the battery. Did all the checks on the stator and they were all fine. So it's the regulator.

  4. #4
    Senior Member SkyPirate's Avatar
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    Default Re: Rotax 912 Voltage regulator

    I have been looking for a replacement..other then ducatti thru the forums..no luck
    Chase
    Model 5 OutBack
    912 UL

  5. #5
    Senior Member jrevens's Avatar
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    Aug 2009
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    Arvada, CO
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    Default Re: Rotax 912 Voltage regulator

    This is a very nice looking regulator made in Germany... same footprint and connector as the Ducati, with a much larger heatsink and higher amp rating -

    http://www.silent-hektik.com/UL_R_912.htm

    If you don't speak German, you can use Google Translate or something similar to translate fairly accurately into English.

    I'm curious about how many people have actually had problems/failures of the Ducati unit. I'm also wondering if we could set up a poll of the Members, asking that question?
    John Evens
    Arvada, CO
    Kitfox SS7 N27JE
    EAA Lifetime
    Chap. 43 honorary Lifetime

  6. #6
    Senior Member
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    Dec 2008
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    Garland, Texas
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    Default Re: Rotax 912 Voltage regulator

    Go read about the Spanish to English translation mistake they made. It's really bad, so be careful on the translations.
    Paul Zimmermann
    LSRM-A
    Garland, Texas

  7. #7

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    Jun 2014
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    Sunriver
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    41

    Default Re: Rotax 912 Voltage regulator

    I've had mine fail on me.

  8. #8
    Senior Member Dorsal's Avatar
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    Sep 2008
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    Central, MA
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    Default Re: Rotax 912 Voltage regulator

    I just replaced mine 3 weeks ago, it decided it did not like charging anymore.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  9. #9
    Senior Member Dorsal's Avatar
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    Default Re: Rotax 912 Voltage regulator

    It states it need forced air cooling (wind), I have mine mounted on the cabin side of the firewall (no wind). They have increased the heat-sink but suggest it will fail in some standard configurations? I wonder if this is just CYA language.
    Dorsal ~~^~~
    Series 7 - Tri-Gear
    912 ULS Warp Drive

  10. #10
    Senior Member HighWing's Avatar
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    Default Re: Rotax 912 Voltage regulator

    Never a failure - 900 hours first kitfox 100 hours on second. As others, mounted aft of the firewall and often ran with strobes and incandescent position lights. I remember the caution about switching off the master before engine shut down being a no no. Apparently having the stator input without having a load can fry the unit - at least.my understanding.
    Lowell Fitt
    Goodyear, AZ


    My You Tube Channel

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