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Thread: Dacron Fabric Prices ?

  1. #1
    Registered User Mr Mono's Avatar
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    Dacron Fabric Prices ?

    Over at Aircraft Spruce, they have two listings for 1.7 oz Dacron Fabric.

    There's this one
    http://www.aircraftspruce.com/catalo...cronfabric.php
    for $2.95 a yard

    and this one
    http://www.aircraftspruce.com/catalo...s/pffabric.php
    for $7.65 a yard

    What's the difference?
    Is it just because it says Poly-Fiber on the second one?
    Almost $5 a yard difference for a name brand? Or is there something else that I am missing?
    Teman MonoFlyer (soon)

  2. #2
    Registered User Mr Mono's Avatar
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    Re: Dacron Fabric Prices ?

    I just called Aircraft Spruce and they said they didn't know ?????
    Teman MonoFlyer (soon)

  3. #3
    Registered User pwood66889's Avatar
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    Re: Dacron Fabric Prices ?

    Hi, Mono; Percy here.
    Unless I miss my guess, the difference is because the more expensive is Certified Fabric. They print on it: FAA/PMA APPROVED and what it is. It can be argued that that is one heck of a price to pay for ink!
    On the other hand, if you are flying a certificated aircraft with out that ink on it, the plane is illegal. And your insurance won't pay off, leaving your widow and estate to fork over.

  4. #4
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    Re: Dacron Fabric Prices ?

    Hi Guys,

    The $2.95 stuff is seconds...or thrids... or worse, usually has runs, snags, thread weave not correct etc.... It's the stuff that doesn't even pass the test for uncertified ceconite or polyfiber.

    Sincerely,
    Doug Hart

  5. #5
    Registered User Mr Mono's Avatar
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    Re: Dacron Fabric Prices ?

    Wow!
    Who would even buy such a thing?

    And what would they use it for?
    Teman MonoFlyer (soon)

  6. #6
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    Re: Dacron Fabric Prices ?

    Hi There,

    The $2.95 (or seconds) is more comonly refered to as "peel ply" for use when doing composite layups. For example, if you don't have enough time or resin to complete the next layup, you can cover the entire wet layup with the peel ply...the resin won't stick to it and and you can "peel" it away and have a surface that is ready to continue with the next layup with (no sanding!). From a day to a few weeks...

    If aircraft spruce is selling it correctly, it'll be in the composites section of the site and not in the normal covering supplies.

    Sincerely,
    Doug Hart

  7. #7
    Registered User jgnunn's Avatar
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    Re: Dacron Fabric Prices ?

    <If aircraft spruce is selling it correctly, it'll be in the composites section of the site and not in the normal covering supplies.>

    looks like its being sold as covering fabric to me..

  8. #8
    Registered User etterre's Avatar
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    Re: Dacron Fabric Prices ?

    Quote Originally Posted by jgnunn View Post
    <If aircraft spruce is selling it correctly, it'll be in the composites section of the site and not in the normal covering supplies.>

    looks like its being sold as covering fabric to me..
    It's being sold under both headings... Here it's catalog # 09-00100
    http://www.aircraftspruce.com/catalo...es/peelply.php
    and labeled as peel ply...

    On the dacron fabric page, it's still catalog # 09-00100, but the text certainly makes it sound like it would be useable as covering fabric... the pic (with the runs, fraying, etc.) is a bit more truthful though...
    Roy Etter

  9. #9
    Registered User Mr Mono's Avatar
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    Re: Dacron Fabric Prices ?

    Well since that stuff is obviously not usable for wings and tails.....

    Who's got the cheapest 1.7 oz Dacron ?

    Does Aircraft Spruce win?
    Teman MonoFlyer (soon)

  10. #10
    Banned George Sychrovsky's Avatar
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    Re: Dacron Fabric Prices ?

    I have covered two airplanes with certified fabric and one with uncertified, also used hundreds of yards of uncertified as a peel ply while producing composite parts, both kinds are exactly the same fabric the difference being one is thoroughly inspected for defects and stamped while the other is not.
    Today is the first time I found an anomaly in the uncertified fabric, a lose thread caught in the weave.

    I buy it from Aircraft Spruce

    By the way, that picture in the first link in the first post is not 1.7 polyester fabric
    Attached Thumbnails Attached Thumbnails Dacron Fabric Prices ?-im000733.jpg  
    Last edited by George Sychrovsky; September 1st, 2008 at 04:10 PM.

  11. #11
    Registered User Craig's Avatar
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    Re: Dacron Fabric Prices ?

    I second George's statement - I have covered many wings with the "uncertified fabric" for experimental airplanes. Never had a problem with any of it.

    The 1.7 oz stuff is mainly used for very lightly loaded airplanes. It is also used for the reinforcing patches on 2.7 oz. fabric - after you have shrunk it on a frame at 350 deg.
    Craig
    Bakeng Duce NX96CW
    Jupiter, FL

  12. #12
    Registered User mstull's Avatar
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    Re: Dacron Fabric Prices ?

    Sorry to bring this old thread back. I've always bought Stits light fabric for my U/Ls. I just bought a yard of the (light) cheap stuff to compare. The cheap stuff's surface is not as slick. You can see a slight difference under a microscope. And you can see a difference in the sheen with your naked eye. The biggest difference is in the sound when I pinch it between my fingers and slide the fabric through. The cheap stuff is at least twice as loud, making a shhh sound.

    So it's not just seconds, made in the same loom. It's a completely different manufacture.

    I doubt it would make a difference in how the plane flies. It's probably just as strong. And I don't know if you'd notice a difference in the texture after sealing and painting. I don't care much about looks. But I plan to stick with Stits, just to be sure of the results.
    Mark E. Stull
    mstull@wtxs.net

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