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Mark the HS at the Fuselage Edge:
Using a felt tip pen, mark the HS at four points at the intersection of the
HS and fuselage at the Trailing and Leading edges. Remove the HS (If the
OraCover is not already removed in the mounting area ..... using a straight
edge and a razor blade, score a line in the OraCover about 1/16” inside the
marks you made above. Do this on top and bottom. DO NOT CUT INTO THE
WOOD as it will weaken the HS. Remove the OraCover between the lines
you just made.) Do not destroy the alignment marks you made above.
Insert Elevator Connecting “U-Horn”:
Important
If you have choosen to use a single servo to control the elevator, insert
the elevator U-horn (Wire) connection into the fuselage HS slot before you
slide in the HS.
Test Fit and Align Horizontal Stabilizer:
Slide the
H
orizontal
S
tabilizer (HS) into the fuselage HS slot and check
for fit and alignment. In particular, check that it is horizontal. Do this by
referring to Supplemental figures 2 & 3 on page 45 and be sure that the HS is
parallel to the wing. The measurement “H” should be equal on both sides of
the HS. Sand the HS fuselage slot to achieve a perfect fit per figure 2 & 3 on
page 45.
Measure the HS trailing edge (TE) from the fuselage to the outer edge
as shown and balance each side. Measure the leading edge (LE) from the
fuselage to the corner as shown. Measure both sides and balance. Itera-
tively, measure the LE and TE to perfectly balance each side. Check the HS
alignment and VS orthongonality with the wing in place. Adjust the HS & VS
alignment to the wing and fuselage as shown in figures 2 & 3 on page 45.
Step 6: Tail Surface Assembly
Gather together the following items: Completed Wing, Horizontal & Vertical Stabiliz-
ers, Elevators, U-horn, 30-minute epoxy, ruler, epoxy brush, felt-tip pen. Mount the wing to
the fuselage and secure with 1/4”x24 nylon wing bolts and wing strap.
Install Horizontal Stabilizer:
Mix an ample amount of 30-minute epoxy and apply to the HS in the
bare-wood, mounting area. Apply epoxy to both top and bottom. Slide the
HS into place and align to the marks you made previously. You may wish to
recheck alignment then “pin” the HS in place for stability while the epoxy
cures.
DO NOT apply epoxy to the slot in the fuselage as it will smear
epoxy on the HS as you slide it in place. Recheck for alignment and
“squareness”
Install the Vertical Stabilizer:
After dry fitting the VS and checking for fit and alignment, apply 30-
minute epoxy to the “key-lock-tab” and both mating surfaces on the VS and
the fuselage. Apply epoxy in the fuselage key-slot all the way down to the
HS. Slip the VS into place, check again for alignment and fit and pin in
place as necessary. Recheck the HS alignment and VS orthongonality with
the wing in place. Adjust the HS & VS alignment to the wing and fuselage as
shown in figures 2 & 3 on page 45.
Clean-up:
Dampen a cloth with denatured alcohol and clean any epoxy that may
have squeezed out from the joints. Set aside to cure. Set the fuselage level
so that gravity applies equally to all portions of the tail surfaces and thus
does not effect the alignment while the epoxy is setting up. Check the HS
and VS alignment and adjust as necessary.
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