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Thread: L-21 Javron

  1. #41
    G44's Avatar
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    A thought.... Buy extra inspection covers and paint them when you paint the rest of the airplane then put them aside so if you do need to cut a hole where you have a grommet you will have a cover all ready to go.

    Kurt
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  2. #42

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    Starting to look like something

    image.jpeg

    image.jpeg

    image.jpeg

    So do I use a 2 or 3 inch tape down the spine?

    sofar so good. Fun fun
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  3. #43
    skywagon8a's Avatar
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    https://www.faa.gov/documentLibrary/...-1B_w-chg1.pdf

    Page 2-9
    (5) For an overlapped and doped seam on the perimeter of a wing (except a leading edge), perimeters of wing control surfaces, perimeters of empennage surfaces, and all areas of a fuselage, on aircraft with a Vne speed up to and including 150 mph, overlap the fabric 1 inch and cover with a finishing tape that is at least 3 inches wide, centered on the outside edge of the overlap seam.
    N1PA

  4. #44

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    Quote Originally Posted by skywagon8a View Post
    https://www.faa.gov/documentLibrary/...-1B_w-chg1.pdf

    Page 2-9
    (5) For an overlapped and doped seam on the perimeter of a wing (except a leading edge), perimeters of wing control surfaces, perimeters of empennage surfaces, and all areas of a fuselage, on aircraft with a Vne speed up to and including 150 mph, overlap the fabric 1 inch and cover with a finishing tape that is at least 3 inches wide, centered on the outside edge of the overlap seam.

    Thanks for the reply. Skywagon8a
    43.13-1B acceptable methods and techniques and practices. Used when no manufactures guidance is provided
    i see the drawing referenced above thanks Steve. Shows 2". I also have an L21 drawing that doesn't specify at least I can't find it anywhere.
    Just trying to see what others have done.
    Again my first kit lots of dumb questions to come

  5. #45
    skywagon8a's Avatar
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    Quote Originally Posted by avnxtek View Post
    image.jpeg So do I use a 2 or 3 inch tape down the spine?
    Measure from the center line of the spine to the edge of the overlap. If it's close to 1 inch you will be happier using the 3" tape as it will blend in smoother with the fabric.

    Tape the leading edge of the fin first so that the fuselage spine tape will overlap the fin's tape. Blending the fuselage/fin junction can be a challenge.
    N1PA

  6. #46

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    Well I think she is covered
    image.jpg

    image.jpg
    image.jpg
    image.jpg
    image.jpg

    On to the next phase.

  7. #47

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    Question for the Stewart System Experts

    The latest manual Tells me to cut the E610 EcoBond 3-1 with distilled water and apply over the fabric. I did this with the Tail feathers and am happy with the results.
    The manual also says that you can apply EcoFill without EcoBond First ??
    From what I have been able to gather this change was made to improve cooler temp. application

    All of the videos I have seen go straight to EcoFill

    So Do I Don't I?
    What have others done?
    Any other explanations for this manual change?

  8. #48

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    wow must not be many Stewart systems users

    anyway I went buy the book and got to the second brush on coat of Eco fill
    image.jpeg

    image.jpg

    First Eco bond to fill the weave of the fabric. Brushed on in multiple directions and a very thin coat this stuff will run!
    I kept the surface flat until it tacked up

    image.jpg

    image.jpg

    image.jpg

    image.jpg

    Eco fill goes on real nice again I kept the surface flat until tacky and moved on
    I'm learning as I go and I hope this might help someone

  9. #49
    Gordon Misch's Avatar
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    First coats have to go on light, or they will for sure run! Furthermore, I've learned the hard way to not depend on flat orientation to accommodate putting the material on heavy. I ran into adhesion issues doing that.

    I've found that with Stewart's if I don't try to rush it, it works great. Fortunately EcoFill sands pretty well if (when!) needed.
    Gordon

    N4328M KTDO
    My SPOT: tinyurl.com/N4328M (case sensitive)

  10. #50
    skywagon8a's Avatar
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    Quote Originally Posted by avnxtek View Post
    Question for the Stewart System Experts
    Quote Originally Posted by avnxtek View Post
    wow must not be many Stewart systems users

    anyway I went buy the book and got to the second brush on coat of Eco fill
    Your first question was for experts. I've used it and like it but am certainly not an expert. I would need to get out the book again when I use it the next time. It's different than nitrate dope on Irish linen which is what I'm used to.
    N1PA

  11. #51

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    Quote Originally Posted by skywagon8a View Post
    Your first question was for experts. I've used it and like it but am certainly not an expert. I would need to get out the book again when I use it the next time. It's different than nitrate dope on Irish linen which is what I'm used to.
    Yup should have used the words Stewart System users.
    Maybe I would have a few more responses

    going by the book and learning the system. Happy with the results sofar

    it's all fun

  12. #52

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    What a great day!
    Looks like I get to start on the cowling this weekend

    engine.jpg


    Just more Fun
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  13. #53

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    I need to finish my upholstery project before I move on the the Engine installation

    This takes some time but is still fun

    IMG_2592.jpg

    All Weekend and I just got the back seat together
    IMG_2598.jpg

    And the harnesses came in this week

    IMG_2596.JPG

    Now on to the front seat
    Thanks Steve Pierce thanked for this post

  14. #54

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    Cool seats! You making everything on this cub

    Fun watching your build.
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  15. #55

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    Quote Originally Posted by flylow View Post
    Cool seats! You making everything on this cub

    Fun watching your build.

    Thanks Flylow
    It is my goal to do everything possible myself with this build
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  16. #56

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    Nice job. Those look great! Envious of people with upholstery and sewing skills. Two inherited sewing machines in my shop, need to one day get results half as good as yours. Very nice.
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  17. #57
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by Jim A. View Post
    Nice job. Those look great! Envious of people with upholstery and sewing skills. Two inherited sewing machines in my shop, need to one day get results half as good as yours. Very nice.
    When I was 17 I made a complete new interior for a car I was given before I even tried to get it running. Luckily my step fathers friend had a boat upholstery shop and gave me a few pointers and ordered the material for me in Naknek. My mom taught me how to sew when I was 5. Only one rule don’t sew over a finger. That was about it. Still have her sewing machine. And a monster fast big singer from the sail boat days.


    Sent from my iPhone using SuperCub.Org mobile app

  18. #58

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    Sounds familiar. Mom and I made the headliner for my first car, a 53' Buick. The machines I have are her old units. I was a hammerhead when I was younger, results were the most important, learning and remembering how to repeat them 30yrs or so later seemed less important at the time. Mom and Dad are still around, hoping to get them involved in my snail's pace build. Again, very nice stuff avnxtek!

  19. #59

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    Thanks Jim, Mike (and don't look to close)
    i remember doing some projects with Mom when I was young then in the 90s we had a 172C and the seats were falling apart so I got the old machine from Mom and made covers, at that time making them was the only option and they turned out pretty good. Still have that machine also. I found this big machine for this project and I think I could sew plywood together with this thing! And it can be way to fast if you don't watch it. Just like most things Prep,Prep, Prep and patience and you can do it.

    and it's all fun
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  20. #60

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    Well got the front seat finished up today

    image.jpeg

    image.jpg

    More fun begins tomorrow

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