User Manual

Installing
the aileron
servo
plate
Glue
the
servo
plate
reinforcemenl
22 to lhe underside
ol
the
servoplate,
with the
front
edges
flush. Mountthe
servos
in lheir aDertures.
lf lhe ailerons
and airbrakes
are lo
operate
smoothly
and
reliably
il is essential
to
install the
servo
plate
in
exactly
the
right
position.
You
will need to
plug
in the
wings to check
this.
Shift
the servo
plate
in the
luselage until
the aileron
and
airbrake
pushrods
run
exactly
across
lhe correct
linkage
ooint
on the servo
output
arms.
The cables
should
be
perfectly
straight
-
do
nol allow any
bends or
curves at
all.
Check
also
that the servo
plate
is exactly
horizontal
in the
luselage.
Roughen up
the
inside ol the
fuselage
where the
plate
fits,
and
tack-giue
it in
place
with a
little 5-minute epoxy.
Check
immediatetylhat
the cabin
lrame stillfits.
Whenthe
glue
has
sel,
remove
the
wings and servos
and apply
a
lillet
of
slow-
setting
epoxy
to secüIe lhe
plale.
The tailplane
The first stage
here
is
to sand
down
the trailing
edge to an
even
thickness
of about
1mm.
Work carefully,
using a
sanding
block at all
times.
Keep the lailplane
in ils loam
negative shells
whilst sanding.
Divide
the
leading edge
14 in
half,
and
glue
one
strip to
the
tailplane.
Sand the
leading edge
to
lollow the
leading edge
sweep
ol lhe
panel
on
the other
side. and
glue
the
second
hallof the
leading
edge
in
place.
This results
in
a scarl
joint
at the
cenlre.
Round ofl lhe
leading
edge as shown
in the
drawing
and
sand the
ends
llush atthetips.
Cutlhelipblock
15
in hall, and
gluethetvvotips in
place.
Sand
lhe tips to
the
shape
shown
in lhe drawing.
Separate
the
elevator
by continuing
the
machined
slot out
through
the tips.
Sand the
cut edges
ol the
tailplane
and
elevator
llush with lhe
machined
edges, using
a
long
llat
sanding
block,
lo ensure
that the
pivot
lines are
perfectly
straight.
Seal
off lhe
rear edge
ol the
tailplane
and the
front edge
of
the elevator
wilh the sealing
strips45.
Sand
backtheedges
of
the sealing
slrips
untilthey
are
llush, taking care
to
leave
the
top edge
of the sealing
strip
-
later to be the
hinge
line
ofthe
elevator
-
sharp.
There
must be
no radius atlhis
point,
otherwise
the elevator
will not be able
to
move
lreely.
Cut the
recess
in
the
centre
of the elevator
to clear
the
rudder, as
shown
in the drawing,
remove a
little ol the
foam
core,
and
seal
the cut edge
with s-minute
epoxy.
Sand lhe
epoxy
Ilush
with
the
surtace
ot the
elevator
when
il has sel
hard.
Mark
the
position
ol the
tailplane
lixing screw 32
on the
fin.
The tailplane
is correctly
positioned when
its rear bottom
edge
is
in line
with
lhe
{ront edge
ol lhe
bevelled
part
of
the
f in
(see
drawing).
Mark the
position
of the
hole' and
drill
it
centrally
in
the
tailplane
rnount using a
5 mm diameter
drill.
The tailolane
is now attached
to
the
lin using the
plaslic
screw
32
and captive
nut 31 .
Lay the
fuselage on
its back,
and
fit the caplive
nul on the
screw
with
a
pair
of
tweezers
or a
similar
tool.
The shaft
ol the
captive
nut must
point
downward.
Align the
tailplane
carelully
-
it must be
at
right-
angles
lo the
fin
-
then
spot
-
glue
lhe
nut in
place
with
5-minute
epoxy.
Check
the
tailplane's
alignment
belore
the
glue
sets.
Unscrew
lhe tailplane,
and
bond the
nut in
place
securely
with thickened
epoxy
resin.
Take care
nol
to
allow any
epoxy
inside the
nul.
Drill a
4 mm diameter
hole
centrally
in the tailplane
mount,
about
40 mm behind
the
main
retaining screw
hole, lo
accept
the
head ol the screw
30,
which serves
to
locate the
tailDlane.
Screw
the lailplane
in
place
and align
it
accurately.
To do
lhis,
tape a
length ol strong
thread tothe
luselage centreline
seam,
and
measure to bolh
tips of
lhe tailplane.
Rotatethe
tailplane
until the
dimensions
are
identical.
The
position
ol
the
front
hole
can
now
be
marked on
the tailplane
from
the
underside
ol the
lailplane
mount. Screw
lhe screw
30
into
the
tailplane at
the
marked
point.
check that
the tailplane
now
locates accuralely,
then
remove the screw,
apply
s-minule
epoxy and
screw
it in
again.
Check
lhat lhe
lailplane
is
positioned
as shown.
The
elevator
linkage
Temporarily
lix
the
elevator to
the tailplane
with
strips
ol
tape,
and screw
the tailplane
on the
lin. Mark the
position
-
on lhe elevator
-
central
in
the aperture
in the
fuselage
-
ol
the elevator
horn
29
(bored
1.6 mm diameter).
Cut a small
central
slot
in lhe elevator
for lhe
horn, and check
that the
horn fits accurately.
lt must
lace
backwards,
as shown
in
thedrawing.
lt is essenlialthat
the
horn is
glued
in
place
very
securely
with 5-minute
epoxy,
to ensurelhat
lhe servo
force
is transmitted
elliciently
to the elevator.
The short
elevator
pushrod
is
assembled
lrom
parts
33, 34,
35 and
37 as
lollows:
fil metal clevises
37 on
the two
M 2
threaded
rods 37.
Lock the bottom
clevis
on the
rod with a
drop of
instant
glue.
Fit
the
wooden
plugs
and
the lhreaded
rods
intothe ends
ofthepushrod
33.
Assemble
the
pushrod
"dry",
and
fit
it in
the
tuselage
with the tailplane
mounted on
the
fin. Set lhe
bellcrank and
the elevator
lo
neulral,
mark
lhe
correct
length of the
threaded
rods, then
remove
and
dismantle
lhe
pushrod. Bend
lhe
lhreaded
rods
at
right-
angles
atthe
position
olthe
hole inthe
plug,
and snipoffthe
excess
rod
length,
leaving a
hook 2 mm
long. Checkthd
each
rod fils into lhe
hole
in
the
plug,
roughen up
the
inside
-
of the
tubular
pushrod
with
a
round
{ile, then
glue
the
threaded
rods
and
wooden
plugs
into lhe
GRP
pushrod,
using 5-minute
epoxy.
Re-conneclthe
linkage, and check
fromthe cockpit
endthat
the entire
system
works smoothly
and
with minimal slop.
Apply a drop of
cyano-acrylate
lo
the top clevis.
The rudder
Cut the
leading edge
Jacing strip
18 to
length,
glue
il to the
tront ,ace of
the rudder,
and sand
the edges
flush. Cut the
hingelube
54 to
length.
Mark the
centreline
on lhe
tront
face
of
part
lSfromtopto
bottom,
and
gluethetube
exactly
along
this
line. lt
is
best
to
insert the
pivot
rod
56
in
the
tube
first.
Cul the
in-lill strip
19 in half, and
glue
the
pieces
on either
side
olthe
pivotlube.
Sand
their edges
llush
when lhe
glue
is hard. Glue
half ol strip
20 on
the
lront lace ol
the rudder,
and
sand
llush all
round. Glue
th€
bottom block
(remainder
ot
part
20)
to
lhe rudder.