Top Flite TOPA0290 - Manual (Page 55)

❏
10.
Mar
k the center of the co
wl mounting b
loc
ks
onto the fuselage
.
❏
11.
T
ape the co
wl to the fuselage
.
D
rill 1/16"
[1.6mm] holes through the co
wl and into the co
wl
mounting b
loc
ks 1/4" [6mm] from the front edge of
the fuselage
.
❏
12.
Remo
ve
the co
wl.
Enlarge the holes in the co
wl
only with a 3/32" [2.4mm] dr
ill.
Mount the co
wl with eight
#2 x 1/2" [13mm] scre
w
s
.
Optional:
The same as w
a
s
done f
o
r the aileron and flap hatches on the wing, be
ve
l
the opening of the co
wl mounting scre
w holes and
mount the co
wl with #2 x 3/8" [9.5mm] flat head scre
ws
(not supplied).
T
his mak
es f
or a neater appear
ance
, b
u
t
requires a little more skill to countersink the holes without o
ver-enlarging them.
❏
13.
No
w that the seams on the inside of the co
wl
ha
ve
been
“glassed”
a
nd the co
wl has been mounted to
the fuselage
, it is time to smooth the outside with filler
.
A
u
tomotiv
e filler such as tw
o-par
t poly
ester Bondo is
highly recommended, b
u
t don’t b
u
ild up too m
uch at
once or it will tak
e
a long time and be difficult to sand.
Use an e
x
pired credit card or something similar to apply
filler where needed, allo
w to harden, w
e
t sand, and
apply more filler as needed f
or a smooth appear
ance
.
❏
14.
Mount the co
wl to the fuselage and b
lend the
tw
o together b
y
sanding where necessar
y.
❏
15.
Apply a coat of pr
imer to the co
wl and allo
w to
dr
y.
Reinstall the co
wl and cut all openings
necessar
y f
or the glo
w plug, needle v
alv
e
, engine
e
xhaust, etc.
One method f
or locating holes is to
mak
e
a template from a piece of cardstoc
k.
T
ape the
cardstoc
k to the fuselage
, then mount the co
wl.
Mar
k
the hole in the cardstoc
k onto the co
wl, then remo
v
e
the co
wl and cut the hole
.
❏
16.
Cut the opening in the bottom of the co
wl f
or the
nose gear
.If y
ou’v
e installed retr
acts
, be cer
tain there is
adequate clear
ance to allo
w f
or r
ight and left steer
ing.
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