Installing The Belly Pan; Horizontal Stabilizer Mounting; Align The Horizontal Stabilizer - Model Tech SUKHOI 40 Instructions Manual

10) With the belly pan held firmly in place and
aligned properly, use a pen and outline the outside
edges of the belly pan onto the wing surface.
11) Remove the belly pan. Using the lines
as a guide use a modeling knife and remove the
covering from between them.
Removing the covering will allow a stronger
bond between the belly pan and the wing
when the belly pan is glued in place.

INSTALLING THE BELLY PAN

12) Mix up a generous amount of Kwik
Bond 30 Minute Epoxy. Apply a thin layer of
epoxy to the bottom portion of each of the four
mounting blocks and both triangle supports. Care-
fully set the belly pan back in place on the wing
and align it as you did previously. Hold the belly
pan firmly in place using pieces of masking tape.
13) Remove any excess epoxy using a pa-
per towel and rubbing alcohol. Allow the epoxy
to fully cure before proceeding.
14) Using a pen, mark the locations on the
belly pan of the two wing hold down screws. The
holes will be located 1" in from the fuselage sides
and 1-1/8" forward of the rear edge of the belly
pan at it's centerline.
15) Using a 3/8" drill bit, drill two holes
through the belly pan to access the wing bolts.
16) Remove the wing from the fuselage. Ap-
ply a thin bead of Kwik Bond Thin C/A between
the edge of the belly pan and the surface of the
wing. The C/A will wick into the seam and secure
the belly pan in place. See photo # 11 below.
Photo # 11
APPLY
THIN C/A
(both sides)
Do not use too much Thin C/A. The C/A is
very thin, and if too much is used, it may run
out onto the covering.
DRILL ACCESS
HOLES
9
PARTS REQUIRED
{1} Horizontal Stabilizer w/Elevator Halves and Hinges

ALIGN THE HORIZONTAL STABILIZER

1) Remove the two elevator halves from the
horizontal stabilizer and set them aside for now.
2) Using a ruler and a pen, locate and mark
the centerline of the horizontal stabilizer at the
trailing edge and place a mark. Use a triangle
and extend this mark, from back to front, across
the top and bottom of the stabilizer.
3) Using a modeling knife, carefully remove
the covering from over the stabilizer slot precut in
the rear of the fuselage. There is also a precovered
balsa block tack glued in the rear of the slot.
Carefully remove this block using a modeling knife
and set it aside for later use. Also remove the
covering from over the precut notch in the lead-
ing edge of the stabilizer. See photo # 12 below.
Photo # 12
REMOVE COVERING
4) Slide the stabilizer into the slot. The sta-
bilizer should be pushed firmly up against the front
of the slot. Make sure the notch in the leading
edge of the stabilizer fully engages the preinstalled
block at the front of the slot.
5) Attach the wing to the fuselage. Align the
centerline mark on top of the stabilizer with the
centerline of the fuselage at the rear. When that is
aligned hold the stabilizer in that position using a T-
pin and align the horizontal stabilizer with the wing.
When viewed from the rear, the horizontal stabi-
lizer should be level with the wing. If it is not level,
use sandpaper and sand down the high side of the
stabilizer mounting platform until the proper align-
ment is achieved. The tips of the stabilizer should
also be equal distance from the tips of the wing.
See figures # 2 and # 3 at top right.
LOCATION
OF BLOCK