10
side
of each hinge
.
Then, inser
t the hinges into the
wing.
When all the hinges are in, w
o
rk
ing quic
k
ly
,
coat the other end of the hinges with epo
xy
.
Then,
join both fl
aps
. Do y
our best to wipe a
w
a
y
an
y e
xcess
epo
xy
. Mo
v
e
the fl
aps up and do
wn se
v
e
ra
l times to
align all the hinges
. Set the wing panels aside and
allo
w the epo
xy to harden.
❏
6.
Join the outboard fl
aps and ailerons to the outboard
wing panels the same w
a
y using fresh batches of
epo
xy
. Note that the ailerons use small hinges
.
❏
7.
After the epo
xy on all the hinges has hardened,
mo
v
e
the fl
aps and ailerons up and do
wn se
v
e
ra
l
times to get them mo
ving smoothly and easily
.
W
e
’ll install the ser
v
o
s and hook up the fl
aps
and
ailerons later
.
MOUNT THE
ENGINES
❏
1.
Use medium CA or epo
xy to glue tw
o 8 x 30mm
g
roo
v
e
d n
y
lon alignment pegs into the holes in
each engine nacelle
. Be cer
tain the peg indicated
protr
udes abo
v
e
the base of the nacelle appro
x
imately
3/4" [19mm].
❏
❏
2.
After the epo
xy from the pre
v
ious step has
hardened, use f
our 1/4-20 x 2" [50mm] n
y
lon bolts
(indicated b
y
the arro
ws in the photo) to mount the
left
engine nacelle to the bottom of the left inboard
wing panel.
❏
❏
3.
Read the note f
o
llo
wing this step
.
Then, cut
out the
left
Engine Mounting
T
e
mplate
(since w
e
’r
e
doing the left nacelle fi
rst) from the bac
k of the man
ual
fo
r the type of engine y
ou will be using—tw
o
-strok
e
or f
our-strok
e
. Use tape or spr
a
y
adhesiv
e
to hold the
template to the fi
re
w
a
ll.
Then use a shar
pened piece
of wire or a large
T
-pin to mar
k the center of the holes
in the template into the fi
re
w
a
ll.
Note:
The f
our-strok
e
template is f
o
r the O
.S
. Max .70
Sur
pass and the tw
o-strok
e
template is f
o
r an O
.S
.
Max .40 or .50 tw
o-strok
e
. Since the engine mounts
are adjustab
le
, the
y
should fi
t other engines in the
siz
e
r
a
nge
, b
u
t if y
o
u are using engines diff
erent than
O
.S
. the positioning of the mounts ma
y ha
v
e
to be
rotated slightly to align the m
u
ffl
er with the m
u
ffl
er
cutout in the fi
berglass nacelle co
v
e
r.
If this is the
case
, y
o
u’ll ha
v
e
to mount y
our engine to the mount
bef
ore mar
king the holes in the fi
re
w
a
ll.
Then,
place
the nacelle co
v
e
r o
v
er the nacelle on the wing panel
and position the mount (with the engine) so the
m
u
ffl
er fi
ts in the m
u
ffl
er
cutout.
❏
❏
4.
Once the engine mount holes ha
v
e
been
mar
k
ed, dr
ill 5/32" [4mm] holes through the fi
re
w
a
ll
at each mar
k.
Remo
v
e
the template
. Push 4-40 b
lind
n
u
ts into the holes in the bac
k of the fi
re
w
a
ll—if
necessar
y,
tr
im a
w
a
y
an
y plyw
ood that interf
eres with
the b
lind n
u
ts
.
