SECTION 21: AILERON

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Page 21-05

Step 3: The aileron counterbalance pipe is made from stainless steel and is much harder than aluminum. When match drilling the aileron counterbalance attach holes through the nose skin it is easy for the bit to wander and significantly enlarge the pre-punched holes in the nose skin. Drill slowly, checking often that you're centered especially when starting to drill the holes. Another option would be to just mark the holes in the counterbalance and remove the skin before drilling the holes.