Wing Assembly; Joining The Wing Halves - Vmar J3.PIPER GUB Assembly & Operation Manual

WING ASSEMBLY
Parts needed
-
Roll of wing
joiner
tape
-
Right
and left wing
panels
- Wing
joiner
(also called dihedral
brace)
Step 1.1
Locate
the wing joiner (also called
Dihedral
brace). Using a ruler, determine
the
center of the wing
join-
er and mark
it
with a pencil as illustrated in
1B.
Step 1.2
Trial
fit the
wing
joiner into the wing panels.
lt
should
insert smoothly up to the center line as illustrated
in
SIIETSN
1A-
Left and right
wing panels
Step
1.3
Apply plenty of 30 minute Epoxy to one end of the
wing
joiner
using a stir stick or
epoxy brush as illustrated
in
1D. Carefully insert
the epoxy coated half
of
the
wing
join-
er into one
wing panel
as illustrated in
'lE.
See 1F and use a cloth or tissue
to wipe away any
excess
epoxy that squeezes out
of the joint. Repeat this
process
rL
UP
1C- Trial
fit the wing joi
UP
Center
line pointing
up
1E-
Carefully insed
the
joiner
all the
way to the center line
2
.
JOINING THE WING HALVES
Tools and Adhesives needed
- 30
minute epoxy
-
Epoxy brush
or
stir sticks
-
Disposable mixing dish
for the epoxy
- Sandpaper
(Coarse
240 grit
recommended)
-
Low
tack masking tape
-
Pencil,
knife, ruler
-
Paper towels
1C. Now slide the other wing panel onto the wing joiner
until the
wing panels meet. lf the
fit is overly tight, sand the
wing
joiner
slightly and try again. Mark
the
joiner
to indicate
which way is
UP
as illustrated in
18.
UP
1B-
Preparation of wing
joiner
several times
to
ensure
the wing
joiner and cavity are
well
coated
with 30 minute epoxy.
When
the wing joiner &
cavity
are well coated with
30
minute epoxy, inserl the
joiner
to the center line, wipe away
any excess epoxy and let dry.
(Note: Do not use 5 minute
epoxy or
CA
to
join
the wings).
1D-
Apply plenty of
30
minute epoxy
to the wing joiner
n
1F -
Wipe off the excess epoxy then allow
to
cure