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Thread: primers for steel tube-- compatable with polyfiber

  1. #21

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    Default Re: primers for steel tube-- compatable with polyfiber

    That was basilcly the question----

  2. #22

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    Default Re: primers for steel tube-- compatable with polyfiber

    Yes Steve - I have seen other people have that same experience....... dont want to repeat THAT-----
    "those who dont learn from history are doomed to repeat it "

  3. #23
    tnowak's Avatar
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    Default Re: primers for steel tube-- compatable with polyfiber

    Violinmaker,
    If it helps, when I recovered my Vagabond fuselage (using Ceconite) I followed the paint recommendations in the Ceconite manual.
    That is, Randolph Epoxy primer kit - white (W224 on the steel frame then, based on Steve P's advice re: topcoating, topcoated with Randolph Ranthane - Lockhaven Yellow.
    TonyN

  4. #24

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    Default Re: primers for steel tube-- compatable with polyfiber

    I've been reading the battle between polyfiber and stewarts-- am leaning towards stewarts. have been using stewarts
    eco-poxy on the aluminum ribs on the bearhawk. The clean-up with water is hard to beat. Your gun stays nice and clean
    without a lot of solvent based gyrations. Doesn't seem to be any harder than others--- and I have read that you can use about any final topcoat .
    Tim

  5. #25

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    Default Re: primers for steel tube-- compatable with polyfiber

    talked to Stewarts--- they said their eko-poxy would be fine or the single stage as well. He also said that if I let it cure out--
    a simple scotch brite scuff is all that is needed before topcoating the tubing with eco-crylic.

    But I still have to decide stewarts vs. polyfiber. Watched several stewarts videos. now to watch ply videos.

    Tim

  6. #26

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    Default Re: primers for steel tube-- compatable with polyfiber

    Quote Originally Posted by violinmaker View Post
    talked to Stewarts--- they said their eko-poxy would be fine or the single stage as well. He also said that if I let it cure out--
    a simple scotch brite scuff is all that is needed before topcoating the tubing with eco-crylic
    Need a clarification...when you say 'single stage' are you referring specifically to Stewarts Eko-Prime single part primer?

  7. #27
    Gilbert Pierce's Avatar
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    Default Re: primers for steel tube-- compatable with polyfiber

    My Vagabond was covered in AirTech and painted with their catalyzed polyurethane. One wing was still cotton with the polyurethane on top of the original paint. I recovered that wing with Stewart’s and used their catalyzed polyurethane top coat. The shine and color matched the AirTech.

    The aircraft is hangared on a grass strip in a farm field. Consequently it gets a lot of dust and during harvest soybean thrashing dust coming thru the cracks and crevices in the hangar. In the spring I pulled it out and washed just before it’s March annual. All that dust and crap washed right off the AirTech but I had to wash the the wing covered in Stewart’s three times and it still looked dirty. I finally had to get up there on a ladder and hand scrub it with 409 before it looked clean.

    For that reason I wouldn’t use Stewart’s top coat. I would use the process up thru the final paint and then would use AirTech or Ranthane.
    Last edited by Gilbert Pierce; 07-12-2019 at 04:45 PM.

  8. #28

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    Default Re: primers for steel tube-- compatable with polyfiber

    Roger--- yes--- the "one-part" primer ----- (non epoxy version)
    Gilbert--- I think I remember seeing on one of Stewarts videos that you can topcoat with about anything - as far as chem
    compatibility. I have seen that many automotive PU paints become too hard for fabric flexing and will get hundreds of cracks
    later on. My wings were painted about 20 years ago- but never installed or used--- and they are cracked like that. he must have used automotive paint like Imron or something even harder...… Doesn't matter now because it all gonna get removed....

    I will look up AirTech. Havnt heard of that version.....
    Tim

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