Hey guys, I'm assembling my wings now.. I have a question about the gap between the wing and aileron....when you measure it, is it the length from the wing to the aileron, or how much the ca hinge is showing...since the aileron comes to a point on both sides [ie it's like a triangle on the side where the CA hinges come out] the two measurements would be different. Anyway, the measurement from wing to the point on the aileron, in other words the ca hinge showing is 1/16", while from the wing to the aileron the other way is 3/16". Are these gaps okay? Thanks so much.!

Seems like an awful lot. What I did was measured the center point of the hinge, and put a pin through it. Then, put the hinge into the aileron until the pin bottoms out. Next, I trial fit the aileron onto the wing On the underside of the wing drilled a small hole through the wing and just barely through the hinge(Not through to the other side!!). By doing this, I can assemble the whole thing together, make sure that everything is aligned. Then, I use one of those small CA applicators, put it in the hole I made, fill it with Medium CA, and plug the hole with a toothpick. I get great coverage with the CA to the hinge, the toothpick adds as a second measure for the hinge to not pull out.

When all of this is done, I sand the toothpicks down flush with my dremel tool. You cannot even tell they are there when it is done, the aileron is secure, and I am confident it will hold.

Lastly, even though there is a VERY small gap between the aileron and wing, I sealed the gap with clear ultracote (or I hear packing tape works) on the underside. This way, no air can get through to cause flutter.

For your gaps, since they are installed, you may be able to get away with sealing the gap with tape or monokote, but the gaps seem pretty big.

Hmm, thanks for the info..I would'nt have thought it was that big...I hadn't glued the hinges, just epoxy'd the control rod, so I was able to move the hinges closer...Now the gap between them is smaller, but I'm worried it so small that I won't be able to get Thin CA onto it and it'll just go onto the sides of the aileron/wing instead. Also, the bigger gap is still the same, but I guess thats how it is supposed to be so the aileron can move up and down....Any suggestions esanger on my gluing "problem"? Thanks again.

I may not have been totally clear, when I installed the hinges into the aileron, I glued them. I mated the aileron to the wing, with no glue, positioned the hinges so they were centered in both slots (wing and aileron), then made a small mark on the wing and aileron where the center of the hing should be. I took the aileron off, spread a small amount of Medium CA onto the hinge and VERY QUICKLY put it into the aileron at the correct depth and centered, I did this for each hinge. When i was done, I did a simple pull test on the hinges in the aileron to ensure they would not come out. Next I trial fit the aileron to the wing, and drilled my holes, You will feel the drill hit the hinge and then go through. When I had all of the holes drilled and ready, I flexed the aileron to ensure full movement, at this point everything was set and ready to glue the aileron to the wing. Put the glue in the hole in the wing, fill it with a toothpick and let it set.

I found this technique, which is a culmination of many other technicques I have read about, to be very easy, reliable and strudy for these hinges.

I was also unable to get the CA into the hinge by flexing the ailerone and trying to get the bottle in there and hoping it would wick, the process above eliminated all of that, and I was able to get a good amount of ca in each slot.

Hmm, your technique is probably better, but at the same time, I would probably mess it up and am going to stick to the manual's instructions of putting thin CA onto the hinge showing in the gap....I got the gap smaller than thr 1/16" prior, and was able to get the glue in...of course I got a couple smears on the wing, alas I have no CA debonder of which the instructions speak...Anyway, I think I did it okay, no problem like the last wing pair I did with the aileron sticking out past the Wing tip. Thanks for your help.

you don't have to go through all that. install the ca hinges dry with equal amount of hinge material in the ail. and the wing. the gap should be the width of a t pin. after you have it where ya want it. using ONLY thin ca...place 3 drops on each hinge on top of the wing and 3 drops on each hinge on the bottom of the wing. the thin ca will wick into the slot and glue the hinge in np. if this is a trainer type plane there should be no need to pin the hinges. some guys do but i believe most don't.
sealing of the gap can be done in several ways...most use covering that matches your wing. just iron in a piece about 1/2 inch wide and the length of each aileron in the gap at bottom of wing. fully flex the aileron first then iron it in to keep it from binding.

As for CA debonder, that is the high price name for acetone (also nail polish remover).

I go by my local hardware store and get the smallest can of acetone from the paint department that I can find.

I believe that this is the major active ingredient in CA Debonder.

Takes CA off monokote, etc.

Hope that this info is helpful.