I think Im clear on what youre trying to do now. You want to cover the hinge line for a more scale appearance, correct?
First, I would cut that part off the rudder that protrudes from the front. Removing that piece will make the whole thing a lot easier. You can glue it back on later.The pin in the hinge point should be back a little farther so that it is centered in the radius you sand into the leading edge of the rudder. Depending on how thick the rudder is, that may leave much of the forward part of the hinge unsupported.You can add pieces of brass tube into the rear of the fin that stick out. Glue the hinges into the tube. That will provide a lot of support.What I would do to cover the hinge line is use a router to relieve an area about 3/8 wide in the sheeting at the rear of the fin. Use pieces of 1/64 plywood or thin plastic to glue in the relieved areas. Make the pieces wide enough to cover the hinge line. Youll have to mess around with it a bit to ensure the rudder can move freely. Also, dont forget to take into account the thickness of the finish.One thing that I consider very important with an
