E-flite Mini Funtana X ARF - Manual (Page 25)

 4. Use a hobby knife to enlarge the inboard
hole in the control horn to fit the 4" (100mm) long
aileron pushrod wire.
 5. Repeat Steps 1 through 4 for the other
wing panel.
 6. Use 6-minute epoxy to attach the control horn to
the aileron. Attach the control horns for both the
right and left ailerons at this time.
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