E-flite Ultimate 20-300 10 ARF - Manual (Page 13)

13 E-flite Ultimate 20-300 Assembly Manual
 9. Repeat Steps 1 through 8 for remaining control
horns and servo.
 10. Use a pin drill and 1/16-inch (1.5mm) drill bit
to enlarge the hole that is 1/2-inch (13mm) from the
center of the servo horn.
 11. Use a hobby knife to remove the webbing from the
underside of the servo horn so the connector backplate
will rest flush against the horn.
 12. Use side cutters to remove the unused arm from
the servo horn.