Top Flite TOPA0300 - Manual (Page 12)

CA to all of the
upw
ard f
acing
edges on one side
of the stab fr
ame
. Place a skin on the fr
ame and
hold it in place with y
our hands until the glue
sets
. Repeat this f
o
r the other bottom skin.
Be
careful not to bend or twist the stab during this step.
❏❏
22. T
rim off the e
xcess balsa from around
the per
imeter of the stab
. T
rue up the ends of
the stab with a sanding b
loc
k. Round the LE of
the stab to match the
cr
oss section
on the plan.
❏❏
1
.
Cut tw
o 1/16” x 3” x 36” balsa sheets to
mak
e f
o
ur 15” long sheets
. Ref
er to the sk
etch and
the ele
v
ator plans
, then glue the lefto
v
er balsa
“w
edges” that y
ou cut from the stab skins to the 15”
sheets
. These joined sheets will be used to mak
e
the top and bottom
Ele
v
ator skins
.
❏❏
2. Use the
pattern on the plans
to cut f
our
Ele
v
ator skins
. Sor
t the skins so that the best
surf
aces will be f
acing outw
ard, and on the top
.
❏❏
3. Co
v
er the ele
v
ator plan with w
a
x
e
d
paper
, then pin a skin in position. Use the “tic”
mar
ks on the plan to dr
a
w
the r
ib locations on
the skin. ❏❏
4. Dr
a
w
a line along the length of the skin’
s
TE 3/8” in from the edge
. Remo
v
e
the skin from
the b
u
ilding board, then holding it along the
edge of y
our w
o
rk
bench, sand a taper from the
line to
w
ards the TE so that the TE will be
appro
ximately 1/32” thic
k.
❏❏
5. Locate the 3/8” x 3/4” x 11-5/8” shaped
balsa
Ele
v
ator LE
. Dr
a
w
tw
o lines
, 1/32” in from
each edge
, on one side of the LE as sho
wn in
the photo
. Use the lines as a ref
erence to taper
the top and bottom of the LE to
w
ard the ele
v
ator
TE with a T
-bar sander
.
Pr
oceed carefull
y
,
c
h
ec
king y
our pr
ogress a
gainst the height of
the ele
v
ator ribs at eac
h
location.
❏❏
6
. Glue the LE to the inside surf
ace of the the
ele
v
ator skin, flush with the f
orw
ard edge of the
skin. Glue the 3/32” die-cut balsa r
ibs (
E-1
through
E-7
) to the skin and to the LE with thin CA.
❏❏
7. T
est fit a 1/2” x 1” x 1-5/8” balsa
T
o
rque
Rod
b
loc
k betw
een r
ibs E-1 and E-2. Sand the
ends
, if necessar
y,
f
or a good fit. Sand a slight
angle on the f
orw
ard edge of the T
o
rque Rod
3/8"
1/32"
3"
SCRAP
15"
ELEVATOR SKIN
Build the ele
v
ator
s
12