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  1. #1

    Join Date
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    Wings strong enough?

    I am building my first full kit (only ARF's up till now) and I am curious how strong the wing structures need to be. I have been assembling the spars and ribs by tacking in place with thin CA and then hitting them with medium CA to really bond them. Do I need to do more than this to make these structures strong enough? Do I really need to be using epoxy to join these structures?

    Thanks for any help,
    Matt

  2. #2

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    Wings strong enough?

    That should be correct (tell me guys if I am wrong since my plane was built this way!). If you use epoxy, it will definately be very strong but you'll have a ton of extra weight.
    Quondo Omni Flunkus Mortati

  3. #3
    Flyfalcons's Avatar
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    Wings strong enough?

    Only epoxy needed in a wing is dihedral brace and the butt joint between the two halves. Use 30 min epoxy for that.
    Ryan Winslow
    Fly PAU!

  4. #4

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    Wings strong enough?

    you're doing it the right way,hi stress areas only need epoxy
    My opinions only;want to argue check with your spouse.

  5. #5
    MinnFlyer's Avatar
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    Wings strong enough?

    Ditto
    Mike B. AMA# 42400 www.gettingairborne.com
    Ultra Sport Brotherhood #2 - Waco Brother #188 - Cub Brother #2

    \"Those are my principles. If you don’t like them, I have others.\" - Groucho Marx

  6. #6

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    Wings strong enough?

    Hi
    You have put in shear webs between the top and bottom spars haven't you ?
    Dave

  7. #7

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    Wings strong enough?

    White wood glue. strong, and soaks in, and is light weight. takes 24 hours to dry clear, but never failed me yet. CA is brittle.

    Al

  8. #8

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    Wings strong enough?

    I've used a combination of CA and or carpenters glue. The CA works fine, and as noted placing your web spars correctly help. Epoxy on the wing halves only when joining. Remember, when you cover the wing ALOT of the strength will come from the covering job.


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