Top Flite TOPA0290 - Manual (Page 13)

❏
23.
Cut the
fin leading edg
e
from the 1/4"x 3/4"x
30"[6.4 x 19 x 760mm] balsa stic
k, then glue it into
position.
Sa
v
e
the remainder of the stic
k f
or the
rudder leading edge
.
Sand the top of the fin leading
edge e
v
en with R6 and sand the sides of the leading
edge e
v
en with both sides of the fin.
❏
24.
Use a small r
a
z
or sa
w to separ
ate the r
udder
from the fin.
Sand the fin sheeting and r
ib stubs e
v
en
with the fin tr
ailing edge and sand the r
udder
sheeting and the r
ib stubs e
v
en with the r
udder sub
leading edge
.
❏
25.
Cut the
rud
der leading edg
e
from remainder
of the 1/4"x 3/4"[6.4 x 19mm] balsa stic
k used f
or the
fin leading edge
, then glue it into position.
Sand the
top
, bottom and sides of the r
udder leading edge
e
v
en with the r
u
dder
, b
ut do not sand the
“V”
on the
leading edge until instr
ucted to do so
.
FINISH
THE FIN AND R
UDDER
❏
1.
T
aking accur
ate measurements
, stic
k
T-
pins into
the middle of the fin tr
ailing edge near both ends
.Place
a str
aightedge against the pins and use a fine-point
ballpoint pen to mar
k a center
line all the w
a
y do
wn.
❏
2.
If y
ou ha
v
e
a Great Planes Slot Machine
, use it
to cut the hinge slots where sho
wn on the plan on the
center
line y
ou mar
k
ed.
If y
ou do not ha
v
e
a Slot
Machine
, use a #11 hob
b
y
b
lade to cut the hinge
slots
.
S
tar
t b
y
making a small slit.
Then, w
o
rking in
small increments
, go a little deeper mo
ving the b
lade
bac
k and f
o
rth.
Note that it’
s the bac
k of the b
lade
that does the w
o
rk
.
❏
3.
Use the same procedure to mar
k the center
line
and cut the hinge slots in the r
udder
.
❏
4.
Cut three 3/4"x 1"[19 x 25mm] hinges from the
CA hinge str
ip
.
Snip off the cor
ners so the
y go in
easier
.
T
e
mporaril
y
join the r
udder to the fin with the
hinges
.
Use masking tape to securely hold the
rudder to the fin so it will not mo
v
e
.
❏
5.
Cut the
fin
and
rud
der tip
from a 1/2"x 1"x
24"[13 x 25 x 610mm] balsa stic
k, then glue them to
the top of the fin and r
udder
.
Be cer
tain to lea
v
e
an
appro
ximately 3/32"[2.4mm] gap betw
een the fin and
rudder tips
.
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