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Thread: Bubble doors, are yours the same?

  1. #1
    Senior Member Kitfox Pilot's Avatar
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    Default Bubble doors, are yours the same?

    Ok, I got the doors on and noticed yesterday one stuck out more then the other when I grabbed the inside bar to close the door.
    My hand will barely go between the door and the bar on the pass side. I used a straight edge from top door frame to bottom to measure and one is 1 inch bigger bubble which is noticable looking from the front.
    Would some of you measure your doors and see if I am just lucky or is this the way yours are too.
    I am mounted on the flat part on both doors so I can't see where it is anything to do with mounting.
    Harlan
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    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  2. #2

    Join Date
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    Default Re: Bubble doors, are yours the same?

    Hi Harlan,
    I just measured my doors. One side has a 1-1/8" gap, the other has a 1-7/8" gap...not quite as much difference as you're seeing but still considerable. I'm curious which component is causing this. If I had to guess I'd say the polycarbonate, but not sure.

    You just started following our build on Instagram (firefox_project). Thanks - looking forward to seeing yours fly soon!
    Jason

  3. #3
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Bubble doors, are yours the same?

    Thanks Jason. I know the pass door didn't fit when I installed the plastic to the frame several months ago. The flat area was not wide enough but it worked then I did the pilot door and it fit prefect. I see the reason now after its too late. The pass side was not pressed out all the way on the mold I'd guess or the door company has a flaw in the mold, that's why I was wondering if mine was the only one.



    This explains why the kitfoxes have a left turning tendency, the pilot door sticks out!

    I am liking your build also!
    Thanks. Harlan
    Last edited by Kitfox Pilot; 12-06-2021 at 02:52 PM.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  4. #4
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    Default Re: Bubble doors, are yours the same?

    Is the cross bar at the same location? Looks like the bar is bent towards the window more on one than the other?
    Dustin Dickerson

    Building 7ss STI x 2
    Oratex
    29" shock monster
    EP912STI 155hp
    Garmin
    N33TF......FLYING!
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  5. #5
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Bubble doors, are yours the same?

    Dustin that was my first thought, so I used a straight edge from top to bottom and the middle bar is where it should be. It's easy to see the difference standing outside the plane.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  6. #6

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    Default Re: Bubble doors, are yours the same?

    Thanks Harlan. Ours is tightest on the pass side door as well. I'm about to strip and powdercoat the frames, so I'll measure to see if they're built to the same dimensions on each side.

  7. #7
    Senior Member
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    Default Re: Bubble doors, are yours the same?

    I noticed ours where slightly different, but nothing like that. I will measure and take another look. What is the factory saying?
    Dustin Dickerson

    Building 7ss STI x 2
    Oratex
    29" shock monster
    EP912STI 155hp
    Garmin
    N33TF......FLYING!
    N53TF......FLYING!

  8. #8
    Senior Member
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    Bryan, Texas
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    Default Re: Bubble doors, are yours the same?

    Same here. The approx 2 year old set that I recently installed is the same way. On the pilot door, I can almost put my whole hand between the glass and the crossmember. On the passenger side, I can just get fingers between it, up to about the second knuckle. Kind of weird. Hadn't noticed it before. I'd say a good inch difference.

  9. #9
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Bubble doors, are yours the same?

    Thanks for checking Jerry.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  10. #10
    DMMeix's Avatar
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    Default Re: Bubble doors, are yours the same?

    Does the factor produce the windscreen and bubble doors, or are they sourced from someone like LP Aero?
    Student Pilot
    Here to absorb everything about building a KF.

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