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Easy Fin Alignment

When I glued a vertical fin to an aircraft, I always had difficulty keeping it at 90 degrees to the stabilizer. I eventually made a jig to solve this problem. First, I installed the stabilizer. After the glue had dried, I used my 90-degree jig to hold the fin in place. Just clamp it to the stabilizer and then to the fin. Keep everything clamped while the epoxy cures, and then unclamp the jig, and you’ll find the vertical fin in perfect alignment.

Joseph V. Papasso
Mt. Laurel, NJ

When I glued a vertical fin to an aircraft, I always had difficulty keeping it at 90 degrees to the stabilizer. I eventually made a jig to solve this problem. First, I installed the stabilizer. After the glue had dried, I used my 90-degree jig to hold the fin in place. Just clamp it to the stabilizer and then to the fin. Keep everything clamped while the epoxy cures, and then unclamp the jig, and...

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