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  1. #1

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    Making fiberglass cowl

    Been reading several posts and I may be going to show my ignorance... I know that you use about 3 layers of cloth... Do u cover each layer with resin or do you put all three layers on then put the resin... Or is it a put some cloth on put some resin on...
    Coach Davis

    \"Life is Tough. Adapt and Overcome.\"

  2. #2

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    Hi Coach...I just finished building a cowl for a modified Corsair. I built mine over a foam mold and used varying thicknesses of fiberglass. I'm not exactly sure how many layers I used but I did use resin between each layer.

  3. #3

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    Thanks B-Squared... I've never tried it but I like to scratch or plan build and a lot of the planes I've been looking at have no after market cowl.. I'm gonna try a canopy too.. Oh well we'll see... I had some resin one time I used on a center section of a wing and I think it took like 45 minutes to set, would that be something I would use to have time to work with it
    Coach Davis

    \"Life is Tough. Adapt and Overcome.\"

  4. #4
    speedracerntrixie's Avatar
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    Coach, can you give more details please? Are you using the lost foam method? Building a plug and making a mold? What size airplane?

  5. #5

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    Yes I'm gonna use the foam plug... At some time or another it will be different size planes but probably a 60 size or a 40 size first...
    Coach Davis

    \"Life is Tough. Adapt and Overcome.\"

  6. #6

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    On the canopy I will probably build a balsa plug
    Coach Davis

    \"Life is Tough. Adapt and Overcome.\"

  7. #7
    speedracerntrixie's Avatar
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    For a cowl that size 3 layers of 4 oz cloth will work well. Apply one layer at a time, it's easiest to apply in 4 pieces. Sand smooth before dissolving the foam.

  8. #8

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    Coach,
    I apply one layer of cloth and then "paint" with resin till the cloth is wet through, then apply another layer of cloth and ("paint") wet the cloth. Apply just enough resin to wet the cloth, any more is just excess weight. I am not an expert but have had good success, see my web site for my scratch build of the F-94C.
    http://www.sidgates.us/HOBBIES/F-94C/F94C%20PROJECT.htm


    Sid
    Last edited by sidgates; 02-05-2014 at 09:36 AM.
    SidGates
    Web: http://www.sidgates.us

  9. #9
    SCALECRAFT's Avatar
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    With the lost foam method, I would use a 6oz first, brush on epoxy resin, then a 4oz ,epoxy, then maybe another 4oz,epoxy, then a nice fine weave, maybe 2oz,epoxy to finish. And sop up excess epoxy if too much.

    The fine weave will make it easier to eliminate the weave when finishing.

    When making your cowl, consider if the model is tail heavy. Like a Zero. A Zero (every one I have ever had)

    could use a heavier layup on a cowl to add ballast to the nose.

    Steve


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