Tandy's updates have been coming faster than I can post them. Here's #14 in his series on the 900 square inch Cloudster. The fin detail looks pertinent to a lot of other designs.
Electric Cloudster 900 Project
The fin base is a 1" piece of 1/4" balsa sheet that slips down into the stab center slot. Notice the cut out for the stab's 1/8" center spar. Two 1/8" X 1/4" plywood rectangles were cut to size, drilled, tapped with 2-56 threads, and glued into the bottom of the fin base as shown below.
The rudder was lined up on the pinned down fin with a 1/16" gap for the hinge line and the picture below was taken so you could see what the complete vertical tail will look like.
Tomorrow gussets will be added to the 1/16" ribs to prevent the covering from crushing the 1/16" ribs into the medium soft balsa leading and trailing edges. The rudder will also be hinged to the fin tomorrow before the sanding and shaping begins.......................
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