I've seen lots unfinished. Don't think it is a structural issue. I have
always sealed the raw edges on my wings mostly for protection from
moisture. Flying contests you may get caught in the rain. It would take
a little while for the water to get into the foam but I like the extra
protection from the elements.
Of course coating those raw edges will add some weight.
Later...
Lee Cox wrote:
>
> I would like to hear some of the pros and cons about
> whether or not the edges of the ailerons / flaps &
> back side of wing should be finished or left as open
> foam.
> It seems to me that if edges are sealed with
> (glass-epoxy or?? )it would structurally be a stronger
> wing and would help to stop any twist. I see a lot of
> wings unfinished. HELP!!! LEE
>
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