Top Flite TOPA0290 - Manual (Page 31)

❏❏
17.
Carefully break a
w
a
y
the shor
t piece of flap
leading edge that w
as tac
k glued to the flap
.
G
lue the
flap hor
n
into the flap
, then glue the flap leading edge
bac
k on.
Use thic
k CA or aliphatic resin so y
ou will
ha
v
e
time to accur
ately reposition the leading edge
.
❏
18.
Retur
n to step 1 and b
uild the r
ight flap the
same w
a
y.
Use the small hash mar
ks on the r
ight
wing plan to mar
k
the flap hinge locations
.
HINGE THE
FLAPS
❏
1.
Glue together the die-cut 1/8" [3.2mm] plyw
ood
pieces that mak
e up the
wing
and
flap hing
e drill guides
.
❏
2.
Optional:
The dr
ill guides ma
y be used
as is
to
guide a 3/16" [4.8mm] dr
ill while dr
illing the holes f
o
r
the flap hinges
.
H
o
w
e
v
er
, f
or ultimate precision, 7/32"
[5.6mm] br
ass tubes could be glued betw
een the
g
roo
v
es of the guides to suppor
t y
our dr
ill e
v
en
better
.
The g
roo
v
es in the dr
ill guides will ha
v
e
to be
be
v
eled slightly to accommodate the tubes
.
(The
tubes can be seen in f
ollo
wing photos).
❏
3.
Cut the hole in the flap ba
y tr
ailing edge to
accommodate the flap hor
n.
P
osition the flap on the
wing and use masking tape to tempor
ar
ily hold it in
position.
Ref
err
ing to the wing plan, use a
str
aightedge and a ballpoint pen to lightly mar
k the
hinge locations on the flap and wing.
❏
4.
Remo
v
e
the flap from the wing.
Using the
appropr
iate dr
ill guide
, dr
ill 3/16" [4.8mm] holes 5/8"
[16mm] deep into the flap
.
Hint:
“Cleaner”
holes can
be dr
illed with a 3/16" [4.8mm] br
ass tube shar
pened
on the end.
Note the mar
ks on the br
ass tube
indicating the depth of the hole
.
❏
5.
Dr
ill the hinge holes in the wing the same w
a
y.
Stop dr
illing after y
ou f
eel the dr
ill (or tube) go
through the hinge b
loc
k so y
ou don’t go through the
top wing sheeting.
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