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Thread: IVOProp, 912ULS, Prop Extension and, Spinner

  1. #1

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    Default IVOProp, 912ULS, Prop Extension and, Spinner

    I am looking to buy an IVOProp for a 912-ULS motor. I think what I need is a medium 70" however, I have the tall grove gear so could use 72". Would that be advantageous? Also, how long of an extension would I need for this setup? I think a 2" but am not sure. As well, are there any recommendations for the spinner?

    I haven't called IVO yet to get his input because I wanted to get some input from TeamKitfox first.
    Thanks,
    Fred

  2. #2
    Administrator DesertFox4's Avatar
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    Page 49 of Kitfox Aircraftís parts catalog.
    2Ē extension for Rotax engine with smooth cowl.
    $335.00


    Iíve never owned a medium Ivo Fred so check with Ivo on recommended length for the 100 hp Rotax.
    Iím flying behind a 72Ē Ivo ground adjustable lite right now.




    DesertFox4
    Admin.
    7 Super Sport
    912 ULS Tri-gear
    Ivo Prop

  3. #3
    Senior Member
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    The IVO medium has a backer plate that attaches to the prop flange on the engine, also the plastic and aluminum plates that provide electricity to the prop motor. Those pieces will put the prop blades at least an inch or more ahead of where say warp drive blades would be. Something to consider at least. If my memory is correct, the backer plate is 3/4" thick, and the thin plates are each 1/4". I do have a never used 70" three blade IVO medium for sale, but it's a left hand, so oposite of what you need on the 912. JImChuk

    PS I should have read the original post better to start with, you didn't say you were getting an electric inflight adjustable. The ground adjustable prop still uses the backer plate on the prop flange, but doesn't use the two 1/4" rings or plastic insulater plates between them.

    Last edited by avidflyer; 02-12-2020 at 08:12 PM.

  4. #4
    Senior Member kmach's Avatar
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    The 70" 3 blade medium IVO is the right prop for the 912 ULS.

    I used one for a good 400+ hours.

    I added the IFA to it and the Murle Williams through the gearbox, brushes and electrical contacts. A very decent setup.

    What model kitfox is this for?
    Attached Images Attached Images
    Kevin,

    Kitfox Outback
    912 ULS
    Airmaster AP332CTFH-WWR70W
    Summit Aircraft Wheel Skis
    C-FOXW

  5. #5

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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    It is a KF5. I'll check with Murle.

    What spinner is that in your pics? I'd like to get something like that. Who was your vendor for that?
    Thanks.

  6. #6
    Senior Member kmach's Avatar
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    It is a UHS fiberglass spinner and back plate.

    I sent you a private message.
    Last edited by kmach; 02-14-2020 at 03:41 PM.
    Kevin,

    Kitfox Outback
    912 ULS
    Airmaster AP332CTFH-WWR70W
    Summit Aircraft Wheel Skis
    C-FOXW

  7. #7

    Join Date
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    If you havenít found what youíre looking for I have a IVO 70Ē ground adjustable with spacer and aluminum spinner Iíd sell. Iím unsure of what itís worth.

    DF5DD6EB-18D3-45D5-81DC-C2F9AE8580E9.jpg

  8. #8
    skyfox's Avatar
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    San Luis Potosi, Mex.
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    Why are you selling it....? you upgraded? and how many hours have it?
    thanks
    Carlos

  9. #9

    Join Date
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    Default Re: IVOProp, 912ULS, Prop Extension and, Spinner

    Carlos,

    I put a 75" Airmaster on last year. The IVO had 300 hours on it.

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