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Section 4: Installing the Aileron LinkageCONTINUEDStep 6. Use a 3/32” drill bit to drill the screw holes formounting the control horn. We suggest you apply a thin coat ofCA into the aileron through the drilled holes help stiffen thebalsa in the mounting area.Step 8. Repeat the process for the other aileron on the otherwing panel.Note: The control horn mounting screws may beexcessively long on some control surfaces, and youmay wish to cut off the excess using a Moto-tool andcut-off wheel. Leave a minimum of 1/8” of mountingscrew above the plastic plate.Step 7. Attach the control horn to the aileron using four screwsand the plastic plate. Be careful not to accidentally puncture thecovering with the screwdriver. We suggest putting masking tapearound the horn area to help protect it from dents or scrapes.15