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MK Control Horn Installation

Step 6

Now you need to locate the hole that you'll drill for the dowel. Using the little aluminum "washer" that comes with the MK horns, position it so that the front edge of the washer is set back about 1/8" - 5/32" from the leading edge.

This will vary depending on how much taper you'll be sanding into the leading edge of the surface. You want a minimum of 1/16" of balsa left in front of the dowel at the top and bottom after you sand the bevel, but you want the clevis pin as near the hinge line as possible to minimize any differential. With the washer in position, use a center punch to hold it in place while you trace around it with a dark, fine-tipped pen.

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