Tail Alignment Jig

This board, screwed to the bench, should help square-up tail surfaces during assembly. Use a square to draw a vertical line up from the bench, and make sure the horizontal line is at 90 degrees to that line. Back the model up to the jig, block it level left to right and fore and aft, then attach the tail surfaces, which will be supported by the small blocks while the glue sets. Adapted from 400...