Model Tech Magic Formula 3D ARF Manual page 18

IMPORTANT Notice that the ailerons are hinged along the top. This is normal and by design.
Push the aileron and its hinges into the hinge slots in the trailing edge of the corresponding side of the wing. Remove the T-Pins
and push the aileron into its final position. The aileron should be pushed firmly up against the trailing edge, so that there is a minimal
hinge gap (no more than 1/32" wide), and the outer end of the aileron should not rub against the wing panel. There should be about
a 1/16" - 3/32" wide gap between the two.
Allow the C/A to dry for about 15 minutes, then pivot the aileron up and down several times to free up the hinges.
PRO TIP
After the C/A has fully cured, gently grasp the aileron and wing and pull on the aileron like you are trying to pull out
the hinges. The hinges should hold securely. If one or more hinges feels loose, apply more C/A to the hinge(s) and allow it to
completely cure.
Repeat the previous procedures to hinge the other aileron to the wing, making sure to check the integrity of the hinges
after the C/A fully cures. The last thing you want is for a hinge to come loose during flight.
STEP 2: HINGING THE ELEVATOR HALVES
IMPORTANT After allowing the C/A to fully cure, pull on the elevator halves to check the integrity of the hinges. Apply more
C/A to the hinge(s) if necessary.
Slide one hinge into each hinge slot in one aileron, making sure that
you push each hinge in up to the T-Pins. Don't glue the hinges into the
aileron yet, though.
While holding the aileron tight against the trailing edge of the wing,
pivot the aileron down about 45º and apply 5-6 drops of thin C/A to the
exposed area of each hinge. Turn the wing over and repeat for the
other side of the hinges.
Remove any C/A that may run down the hinge line, using C/A
Debonder.
Hinge the elevator halves, using the same techniques that you used
to hinge the ailerons. Each elevator half is hinged using three hinges.
When hinging the elevator halves, there should be a 1/16" wide gap
between the ends of the stabilizer and the elevator counterbalances.
There should also not be more than a 1/32" wide hinge gap.
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