Model Tech SE5a SCOUT Instructions For Final Assembly page 10

Mix and apply a generous amount of 30 minute epoxy to the gluing surfaces of the vertical stabilizer and to the vertical
stabilizer mounting slot in the top of the horizontal stabilizer.
Push the vertical stabilizer down into place and realign it, double-checking the alignment once more before the epoxy
sets up. Remove any excess epoxy, using a paper towel and rubbing alcohol, and use pieces of masking tape to hold the
vertical stabilizer in place until the epoxy has fully cured.
Don't forget to double-check that the vertical stabilizer is perpendicular to the horizontal stabilizer.
STEP 4: ALIGNING THE HORIZONTAL STABILIZER ASSEMBLY
When satisfied with the alignment, hold the stabilizer assembly in position, using a couple of T-Pins or masking tape.
IMPORTANT Before proceeding, it's important that the bottom wing be installed securely onto the fuselage. It must
be installed so that you can line up the stabilizer assembly properly.
When you are satisfied that the stabilizer assembly is square to the wing, use a pencil to draw a couple of marks on
each side of the front of the horizontal stabilizer where it and the fuselage sides meet, then use a couple of pieces of
masking tape and/or T-pins to hold the stabilizer assembly firmly in place and aligned.
Using a modeling knife, cut away and remove the covering
material from the top of the stabilizer mounting platform.
Set the stabilizer assembly into place and temporarily align
it. The front of the vertical stabilizer should be centered over
the middle stringer in the top of the fuselage and the trailing
edge of the vertical stabilizer should be lined up with the sides
of the fuselage. The trailing edge of the horizontal stabilizer
should be even with the back edge of the fuselage, too.
Use a ruler to carefully measure the distance between the
tips of the horizontal stabilizer and the tips of the bottom wing.
Pivot the front of the stabilizer assembly (making sure that the
back of the stabilizer assembly stays centered) until both of
these measurements are equal. When both measurements
are equal, the stabilizer assembly is square to the wing.
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