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Thread: flying with doors open Max speed?

  1. #1

    Join Date
    Apr 2014
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    Default flying with doors open Max speed?

    Evening all

    I have a kitfox kfm 112 model 1or 2
    Is there a maximum speed flying g doors open?
    Can you fly without turtledeck and doors open?

    Cheers

  2. #2
    Senior Member SkyPirate's Avatar
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    Default Re: flying with doors open Max speed?

    I flew my model 2 from april to oct with no doors, i didnt take the turtle deck off, i flew her at 80 85 mph no doors
    Chase
    Model 5 OutBack
    912 UL

  3. #3
    Super Moderator Av8r3400's Avatar
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    Default Re: flying with doors open Max speed?

    You NEED to keep the turtle deck on, especially on a I, II or III.

    The bearing at the control arm is critical to keep the flapperons from fluttering.
    Av8r3400
    Kitfox Model IV
    The Mangy Fox
    912UL 105hp Zipper
    YouTube Videos

  4. #4
    kitfoxnick's Avatar
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    Default Re: flying with doors open Max speed?

    Speed has never been an issue flying with the doors open. I would caution against slipping towards an open door with just one door open. Make sure that nothing will blow away when slipping with both doors open.
    Nick W
    IV 1200
    912Ul
    Warp Taper Tip

  5. #5
    Senior Member t j's Avatar
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    Red face Re: flying with doors open Max speed?

    I would caution against slipping towards an open door with just one door open. Make sure that nothing will blow away when slipping with both doors open.
    Yes, even your headset.
    Tom Jones
    Classic 4 builder

  6. #6

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    Apr 2013
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    Hillsboro, NH
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    Default Re: flying with doors open Max speed?

    Anybody have a photo of the turtledeck flaperon bushing arrangement? Don't recall one on my Model 2.

  7. #7
    Senior Member SkyPirate's Avatar
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    Default Re: flying with doors open Max speed?

    I dont have any photo's of my old model 2 flaperon bushings, but, the guy that bought my model 2 lives near Claremont NH, if you get over that way, if you want his info pm me
    Chase
    Model 5 OutBack
    912 UL

  8. #8

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    Apr 2013
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    Hillsboro, NH
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    Default Re: flying with doors open Max speed?

    Hi Chase,

    That would be great, Claremont's not far.

    Thanks,

    Larry

  9. #9

    Default Re: flying with doors open Max speed?

    Hello,

    I could open my doors (KF3, 582, Prop left turn) but they will close slowly itself. Which liftstruts you have mount, how many newton?

    I don't have bubbledoors, above my doors could'nt arise an underpressure between door and wing to keep the door open!?

    Thanks!

    Olaf

  10. #10
    Senior Member SkyPirate's Avatar
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    Default Re: flying with doors open Max speed?

    Hopefully, if I can talk the owner into it , i want to get a photo of my old Model 2 and my model 5 together, when im in NH in a few weeks.
    Chase
    Model 5 OutBack
    912 UL

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