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  1. #1
    Member GreggG's Avatar
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    Default CubCrafters Ventral fin install

    Does anybody have any documentation or knowledge on how the ventral fin on the EX-3 is installed? Engineering drawing? Pictures? Ideally I would like to weld a tab on before cover. That area gets a lot of spray.

    Thanks,
    Gregg

    4AF01645-DF5E-4FF9-9988-9DCF8E0D6D49.jpeg
    Carbon Cub EX CCK-1865-0092

  2. #2
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    Default Re: CubCrafters Ventral fin install

    It's in the EX dropbox folder under miscellaneous and Float Installation.pdf.
    I presume it won't have changed for the EX3.

  3. #3
    Member GreggG's Avatar
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    Default Re: CubCrafters Ventral fin install

    Are you able to send me the Dropbox link for the EX? I only have the EX3 link and there isn’t a float manual in the misc. section.

    Thanks,
    Gregg
    Carbon Cub EX CCK-1865-0092

  4. #4
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    Default Re: CubCrafters Ventral fin install

    I'll email you the PDF. I understand CC are not keen on sharing their dropbox links. Though I expect they would respond to your personal request.

  5. #5
    Member GreggG's Avatar
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    Default Re: CubCrafters Ventral fin install

    Great. gregg dot guider at gmail. Thanks! I tried my old EX1 link and it didn’t work.
    Carbon Cub EX CCK-1865-0092

  6. #6
    Senior Member Mark Keneston's Avatar
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    Default Re: CubCrafters Ventral fin install

    Guys Ventral fin on bottom of fuse was used on the Sport Cub CC11 with Baumans and is part of the drawing. There is none noted for the CC11-160 or CCK with 180HP on Aerocets. There is one however for the Top Cub, CCX EX/FX3 and the XCub with either Claymar or Whips. I have experience with all of these recently.

    The only potential issue Cubdrvr2 notes is beaching, and that only an issue if the terrain is tail high.

    Yankee1
    Cub Crafters
    Factory Direct New & Used Aircraft Sales
    NorthEast & Great Lakes Region
    518.410.9404

  7. #7
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    Default Re: CubCrafters Ventral fin install

    Ventral fins are butt ugly and limit where you can beach your aircraft heel first. It's difficult enough without the fin to pull your tail in even on a beach with a steep bank, add shoreline brush and rocks and your never going to play or camp where you want with a bottom fin. I would check the flight stability before adding one

    Like this



    Glenn
    Last edited by Cubdriver2; 07-07-2019 at 05:47 PM.

  8. #8
    Administrator Pete D's Avatar
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    Default Re: CubCrafters Ventral fin install

    No welding required, the ventral brackets are designed to bolt in to a covered airplane.
    Pete Dougherty
    Customer Support Manager
    Cub Crafters Inc

  9. #9
    Senior Member David H's Avatar
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    Default Re: CubCrafters Ventral fin install

    Pete,

    Is this fin needed on an EX2?

    I am planning for floats this fall and have seen CC cubs on floats with and without this ventral fin.
    I plan on Clamar 2180 amphibs, I am 1865lb EX2

    Thank you,

    David

  10. #10
    Member GreggG's Avatar
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    Default Re: CubCrafters Ventral fin install

    Quote Originally Posted by Pete D View Post
    No welding required, the ventral brackets are designed to bolt in to a covered airplane.
    From this drawing it looks like you need at least an Adel clamp installed before cover. I was hoping to weld tabs like I did with the water rudder pulley attach points. Does the ventral fin interfere with the inspection panel?
    B2D3D83F-38A6-4D78-91BC-F8504364C506.jpg
    21799645-1BBA-4411-9AB5-69D7A84668FB.jpg
    Carbon Cub EX CCK-1865-0092

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