. .............any ideas or am I thinking to much? It just seems weak enought that if is handled in the wrong way...........
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Well, if you're thinking too much, we must both be guilty of it! I thought the same thing. I wasn't so much concerned about breaking it as possible in flight flutter, or the application of rudder making the stab sway back and forth. Here's two pics of how I reinforced mine, maybe you can tell from the pics. I put three vertical pieces in the stab to get the sag out of it. the forward one pretty much follows the angle of the front of the stab. The second piece goes straight up and meets the forward piece at the top. and the rear piece is of course the trailing edge of the stab, where the hinges are fitted. I then glued two cross pieces on the bottom across the opening, which you can see in the pics. This stiffened it up substantially. I used Elmers Polyurethane. Makes a mess, but holds like the dickens. Hope this helps.
Randy