Top Flite TOPA0290 - Manual (Page 19)

❏
4.
Use a #11 b
lade to cut
par
t wa
y
through both
sides of the r
ibs that go on the outer ends of the
center panel betw
een the spar notches
.
❏
5.
Glue together both die-cut 1/8"[3.2mm]
plyw
ood
center leading edg
e
s (CLE)
.
❏
6.
Cut the
top
and
bottom spar
s
for the center
panel to a length of 9-3/8"[240mm] from a 1/4"x 3/8"x 36"[6.4 x 9.5 x 910mm] bass
w
ood stic
k.
❏
7.
Join the r
ibs to the center leading edge
, the die-
cut 1/8"[3.2mm] plyw
ood
center trailing edg
e
, the
die-cut 1/8"[3.2mm] plyw
ood
center spar web
and
the top and bottom main spars
.
❏
8.
P
osition the assemb
ly o
v
er the plan and hold it
do
wn with w
eights and a f
e
w
T
-pins stuc
k into the jig
tabs and into the bottom of the r
ibs where the
y
contact the plan, just aft of the bottom spar
.
Use thin
and medium CA to glue all the par
ts together
.
When
gluing the outer r
ibs
, use the die-cut 1/8"[3.2mm]
plyw
ood
dihedral gaug
e
to mak
e
cer
tain the
y are
set at the correct angle
.
❏
9.
Mar
k the center of the hole to be dr
illed in one
of the 3/8"x 1"x 2-1/16"[9.5 x 25 x 52mm] bass
w
ood
wing bolt b
loc
ks
5/8"[16mm] from the end and
3/8"[10mm] from the front edge
.
D
rill a #7 hole
through the b
loc
k at the mar
k.
Mar
k and dr
ill the
other wing bolt b
loc
k the same w
a
y.
Use 30-min
ute
epo
xy to glue the wing bolt b
loc
ks into position.
❏
10.
After the epo
xy hardens
, glue lefto
v
e
r
1/8"[3.2mm] balsa o
v
er the b
loc
ks to suppor
t the
sheeting around the holes that will be dr
illed later
.
❏
11.
Remo
v
e
the w
eights and carefully sand the
tops
of the center leading edges and the center
tr
ailing edge e
v
en with the tops of the r
ibs
.
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