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Thread: My Oratex experience

  1. #1

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    My Oratex experience

    I am almost done building a Super Stol XL (about the same size and gross wt as Super Cub)

    And I have covered it with Oratex and documented my experiences (good and bad) with lots of pictures on the Wings Forum.
    http://www.wingsforum.com/viewtopic.php?f=218&t=23987

    I thought some of you might be interested.

    I have covered the entire plane, ready to fly, for less than $5,000, using Oratex 6000.

    The Bigest benefit I can see (other than weight savings), is that if you need to make a repair, it is possible to remove the fabric and then put it back on - not easy, but possible. I have done it. Dont ask why.

    The ability to “reuse” the fabric makes the initial cost a MUCH greater value to me.
    The fact that I dont have to paint it is even better.
    Last edited by bda; 02-24-2019 at 11:52 AM.
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  2. #2

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    Please clarify the $5,000- does that price include all the material and supplies?
    Because, if it does, that’s a very good price!
    Thanks!
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  3. #3

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    Yes, that includes glue, fabric, tapes, etc...

    If you go through the whole thread it details it - page 8 and 9 I think.
    I used the factory blemished fabric to save 20%, and I used different than normal covering practices to save wasted fabric.

    The quality of Oratex glue allows for different attachment methods.
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  4. #4
    Olibuilt's Avatar
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    Thanks for clarification. Because last time I heard it was around 8500 $USD$ (around a million Canadian dollars now days...)

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    I got a quote to do my fuselage and tailfeathers only (wings are done in Stewart’s) and they quoted $3750 using the 20% reduced flawed fabric. Included tapes and everything.
    Last edited by Dan Gervae; 02-24-2019 at 05:53 PM.
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  6. #6

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    Quote Originally Posted by Dan Gervae View Post
    I got a quote to do my fuselage and tailfeathers only (wings are done in Stewart’s) and they quoted $3750 using the 20% reduced flawed fabric. Included tapes and everything.
    Dan,
    that is why I posted this.
    the QUOTE for my plane was 9,700

    They quote for the number of yards of fabric you would use of conventional fabric, sometimes it is possible to do it with less - if you are creative.
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  7. #7

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    I spent 8700 which included 700 to prime the wings using the blemished fabric on a ex cub

  8. #8

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    bda: have you covered a complete aircraft before, using legacy methods, complete with finish paint? If not, let me tell you, you saved a LOT of time and money! I compare using Oratex to using wood paneling:hang it up and you're done. Traditional coverings, like first hanging drywall, THEN having to tape it, THEN sand and texture it, THEN you paint it multiple coats. A crude analogy but illustrative I believe. So you saved all that time and labor, plus the need for a paint booth etc., AND it's lighter?!! So what if it's more money, it's worth it.
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  9. #9

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    Ya, I dont paint, thats the main reason I chose Oratex.

    Being 25# lighter is a BIG Bonus Too!

  10. #10
    Gordon Misch's Avatar
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    I'm wondering how blemished the blemished fabric is. Is it significant? Could you please include a couple pics? Thanks.
    Gordon

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

  11. #11

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    Gordon
    Every batch is different I hear, mine had 3 large (1”) lumpy spots that were marked by the factory on the edge. There were other very small ones that were almost not noticeable.
    have spoken with others that had similar to that , and some that were worse and were not happy.
    Very happy with mine.
    if you paint it wont matter.
    I was careful to cut out the big ones mostly when I cut my pieces.
    Lots of pictures if you follow the link, page 10 or 11 I think.
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  12. #12

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    I'm looking at Oratex 6000 and Hipec, mainly as non-toxics, for a project. I've read everything available on Oratex but not as familiar with Hipec. Observations appreciated.

  13. #13

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    Hipec, That is a name I have not heard in years, they have been quiet, there was a thread here many years back,

    I can not get the link to work to this Sept 2005 post, 25709-Hipec-covering-system

  14. #14
    skywagon8a's Avatar
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    Hipec https://www.hipecaircraftcoatings.com/
    No rib stitching????? Is this what killed Steve Whitman when the fabric peeled off his wings?
    N1PA

  15. #15
    cubdriver2's Avatar
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    Quote Originally Posted by skywagon8a View Post
    Hipec https://www.hipecaircraftcoatings.com/
    No rib stitching????? Is this what killed Steve Whitman when the fabric peeled off his wings?
    But he put it on the same way he had always done cotton, no base dope


    Glenn
    "Optimism is going after Moby Dick in a rowboat and taking the tartar sauce with you!"

  16. #16
    skywagon8a's Avatar
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    The "no rib stitching" part gives me the shivers. Long ago at Sun-N-Fun I was watching a Stearman "look-a-like" airplane with a one piece top wing doing an aerobatic show when I noticed a piece of fabric flapping at the top forward left corner of the upper wing. In about the time it takes to perform a loop the fabric lifted progressively across the entire span of the leading edge peeling back towards the trailing edge. All of the fabric on the top wing stood straight up like a wall at the trailing edge. The pilot kept pulling the nose up trying to maintain altitude while he flew away from the airport where he bailed out leaving the plane to crash and burn. I do not have any idea of what fabric system he used but whatever it was came off like ripping open an envelope.
    N1PA

  17. #17

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    If I am correct O&O was covered with Polyfiber. I do not know if the failure was due to solar degradation or some issue during covering.

    I had not seem Glenn's post before writing.

  18. #18

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    Quote Originally Posted by Olibuilt View Post
    Thanks for clarification. Because last time I heard it was around 8500 $USD$ (around a million Canadian dollars now days...)

    Your red cub isn’t covered with oratex? Your red is similar to oratex red


    Sent from my iPhone using SuperCub.Org mobile app
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  19. #19
    Olibuilt's Avatar
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    No. Superflite fabric and some bulldozer flexible paint.


  20. #20

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    I just finished covering the interior with the Oratex - Yes I know I should have done that first.
    Changed my mind, I have not been impressed with reg fabric on the interior of bagage area before - but this is different.

    This Oratex is so tough and virtually no weight, it makes the perfect bagage / interior finish material.
    They really should market it that way.

    Turned out really nice, at least for an amatuer
    I posted pics at the above link.

  21. #21

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    Hipec is single part moisture cure silver urethane paint, which is, I swear, identical to Trailer-Cote silver paint. I did a biplane with it in 1990, haven't been back. The tapes take forever to dry. Can't push the pinked edges down and move on, they'll curl before cure, which might be an hour, or more. Fortunately I had some semi symmetrical shape on the bottom so lots of tension saved the day. Don't know how you'd do it on a flat bottom. The glue is miserable stringy brown industrial glue, just use the Stits glue. So I don't know if Hipec sells anything useful, but I haven't checked in lately.
    What killed Steve Whitman was that he persisted in using nitrate to attach fabric to the wings, even as he went up in power and speed. Stits glue would have held better on dacron.
    What's a go-around?

  22. #22

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    I had to patch a hole yesterday on the interior fabric, about 2” x 2” with puckered fabric.

    So I cut the wrinkles lengthwise, slid a tongue depressor in from one end to support the other end pieces while ironing the tape over.

    Start to finish about an hour total, color matched, no painting.
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  23. #23

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    Oratex worked well for me. I built my Carbon Cub in a city-owned hangar where paint spraying was strictly verboten.
    The lack of nasty solvents was a definite plus too.
    DSC_0711.jpg
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