I joined the wing halves after carefully MARKING the wing bottom at the roots left and right respectivly. ..this basically allowed me to attempt"to bevel the correct angle at the root of each panel well at least I CAREFULLY blew the dust out of the foam cores before applying the 30 Min. epoxy. Once the wings were joined with the epoxy still set up I went for two canbon prods that I purcashed from Central Hobbies:the plan was to tape them in place parall with the cord line at each wing tip. but as with about half the stuff in my shop they were lost [] even a 1/16" can cause trim problems. I sure as hay hope when I re cover the alignment rods the wing will be irtually twist free (I hope[8D]