RE: Sealing surface gaps
[link=http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXJGT1&P=ML]Benderm[/link] or hinge tape. Apply to a clean surface. It sticks very well and it is flexable and stretchy. But you don't want to stretch it when applying it. You can remove it without too much trouble, just peel. I cut it in about 1 ft. sections and appy with the control surface fully deflected open, without the control rods attached.