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Getting setup to drill the back holes into the horizontal stabilizer
The instructions say to put a 11/32" drill bit under the rear spar to establish the correct distance between the fuselage deck and the horizontal stabilizer spar. You won't find this bit in your standard drill bit set. I paid 5 bucks for this drill bit at Lowes Lumber and Aircraft Supply. You'll also notice my 12 inch 1/8 inch drill bit in the tooling holes in the HS ribs. I put one bit here and another in the front tooling holes to compare the height of the front HS spar to the rear HS spar. The measurement must be the same.
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