Doesn't chip use CA hinges on his own Vision? I see some seem to shy away from these but I know people who use them on birds of this size no problem and you definitely read of many here who use them without problems. If worried why not double up a few more slots and add a few extra hinges? Have you ever tried to pull a CA hinged surface out? Most times it seems as if you would rip the wing apart before those hinges will break the control surface free. I've pulled on these things really hard and don't worry.

I think most failures come from either bad CA hinge material or improper installation. You really need to trim the covering around the slot, have a tight slot, drill a small hole in the center, use good fresh CA and soak the heck out of it. By soaking it you make the wood around the hinge itself very hard along with solidifying the hinge itself in the slot. I've never had one fail yet. My hinging time with CA hinges takes a good deal of time as I make sure every hinge is done like this w/out exception.