Build the wing – Top Flite TOPA0290 User Manual
Page 18

❏
26.
Mar
k a center
line around the tips
, then glue
them into position.
Using the center
lines as guides
,
car
v
e
and sand the tips to match the stab
, then round
to a finished shape
.
❏
27.
The same as w
as done on the fin and r
udder
corr
ugations
, get out y
our putty knif
e and w
ood filler
and par
tially fill all of the corr
ugations on both sides
of the stab
.
Allo
w to dr
y,
then sand.
B
UILD THE
WING
MAKE THE
WING
SKINS
❏
1.
Cut the
wing center panel
plan from the wing
plan.
Co
v
er the plan with Plan Protector or w
ax paper
and place it o
v
er y
our flat b
uilding board.
❏
2.
Cut f
our 1/16"x 3"x 30"[1.6 x 75 x 760mm] balsa
sheets into tw
elv
e 3"x 10"[75 x 250mm] balsa sheets
.
Set one of the 3"x 10"[75 x 250mm] sheets in y
our scr
ap
pile and cut another one of the 3"x 10"[75 x 250mm]
sheets into tw
o 1-1/2"x 10"[38 x 250mm] sheets
.
❏
3.
Glue the sheets together as sho
wn in the
pre
vious photo to mak
e a
forwar
d
and
aft center
panel skin
.
M
ak
e tw
o of each.
❏
4.
Sand the skins flat and e
v
en.
B
U
ILD
THE CENTER P
ANEL
❏
1.
Glue a die-cut 1/8"[3.2mm] plyw
ood
rib
doub
ler 1A
to both sides of a die-cut 3/32"[2.4mm]
balsa rib
W1
.
M
ak
e another assemb
ly the same w
a
y.
❏
2.
Cut the balsa from betw
een the do
w
el notches
in both r
ib assemb
lies
.
❏
3.
Ref
err
ing to the plan, glue the f
our die-cut
1/8"[3.2mm] plyw
ood doub
lers
W1B
to the opposing
sides of the outer tw
o r
ibs that will go on both ends
of the center panel.
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