I am covering a Herr Piper J-3 Cub balsa/plywood plane kit with Utracote. Do I put the hinges on the wood or the Ultracote? Do I just lay them on or do I need hinge slots? What kind of glue will work? I'm using Bob Smith Industries (BSI) CA medium, in the purple bottle, I think that it's called Instaset+ Any other information would be greatly appreciated. Thank you.