Top Flite TOPA0290 - Manual (Page 10)

PREP
ARE T
O
B
UILD
1.
If y
o
u
’v
e
already purchased the retr
actab
le landing
gear
, or as soon as y
ou do
, tak
e the air lines out of the
pac
kage
.
Unr
a
vel the lines and hang them some
where
in y
o
ur shop
.When it
’s time to install the lines the
y
’ll be
nice and str
a
ight and the
y
’ll be easier to w
o
rk
with.
2.
Remo
v
e
all the par
ts from the bo
x.
Use a ballpoint
pen (not a f
elt-tip pen) to lightly wr
ite the
name
or
siz
e
on each piece so it can be identified later
.
Use
the
die-cut patterns
on pages 8 & 9 to identify and
mar
k the die-cut par
ts
bef
ore
remo
ving them from
their die sheets
.
Man
y of the par
ts already ha
v
e
n
u
mbers stamped on them, b
ut in some cases the
n
umbers are located beside the par
t or only on the
die dr
a
wings in the man
ual.
If a par
t is difficult to
remo
v
e
from its die sheet, don
’t f
orce it out.
Instead,
cut around the par
t with a hob
b
y
knif
e and a #11
b
lade
.
After remo
ving the par
ts from their die sheets
,
lightly sand the edges to remo
v
e
sliv
ers or die-
cutting irregular
ities
.
As y
ou proceed, it
’s not
necessar
y to sa
v
e
e
v
er
y scr
ap of w
ood, b
ut some of
the larger pieces of w
ood should be sa
v
ed.
3.
Separ
ate the par
ts into g
roups such as
stab,
fin,
wing,
and
fuse
.
Store smaller par
ts in zipper-top
food stor
age bags
.
B
UILD THE T
AIL
SURF
A
C
ES
B
U
ILD
THE
VER
TICAL ST
ABILIZER (FIN)
❏
1.
Unroll the fuselage plan, then re-roll it inside out
so it will la
y flat.
Cut out the fin plan, then position it o
ver
your flat b
uilding board and co
ver it with Great Planes
Plan Protector or w
a
x paper so glue will not adhere
.
Note:
If y
ou plan to b
uild y
our Arro
w with an
y kind of a
scale lighting system, no
w is the time to dr
ill or cut an
y
holes in the r
ibs necessar
y to accommodate the wir
ing.
❏
2.
Fit the die-cut 3/32"[2.4mm] balsa
fin ribs R1
through
R6
into the notches of the die-cut 1/8"[3.2mm]
balsa
fin trailing edg
e
and the die-cut 1/8"[3.2mm]
balsa
rud
der sub leading edg
e
.
Note that all of the
notches are slightly o
versiz
e so the par
ts can fit at an
angle
.Also note that a por
tion of the fin tr
ailing edge and
rudder sub LE protr
ude belo
w the assemb
ly
, b
ut will be
tr
immed off later
.Mak
e cer
tain the par
ts are
accuratel
y
positioned o
ver the plan and hold them to the b
uilding
board with
T-pins
.
❏
3.
Mak
e
sure all the jig tabs are
full
y
contacting
the b
uilding board, then glue the assemb
ly together
.
❏
4.
Use a bar sander with 80-g
rit sandpaper to
sand a be
v
el on the leading edge of all the r
ibs
.
D
o
one r
ib at a time star
ting with r
ib R6 at the top
.
Hold
the r
ib with y
our fingers and dr
a
w
the bar sander
do
wn past, resting it against the other r
ibs to get the
correct angle
.
❏
5.
Center the 3/32"x 1/2"x 15"[2.4 x 12.7 x
380mm] balsa
fin sub leading edg
e
v
e
rtically on the
front of the r
ibs
, then glue it into position.
❏
6.
Use a r
a
z
or plane and/or a bar sander to shape
the top (left side) of the sub leading edges and the tr
ailing edge so the
y are e
v
en with the r
ibs
.
Note:
Mak
e
sure none of the
T
-pins protr
ude abo
v
e
an
y of the par
ts so the
y w
o
n
’t catch.
- 10
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