User Manual
i.4easure
40 mm
behind
the
wing
leading
edge at the root,
and mark
lhe
position
on the centretine
on lhe underside
of
the fuselage.
Drill
a
2
mm diameter
hole
exac
v
central
{through
the
moulding
seam)
at this
position.
Appty
tape
overthe hole
on theoutside,
and
glue
the
towhook
block 12
on the inside,
exactly
centraloverlhe
hole,
with
the
qrain
of
lhe
block running
fore
and
aft. Use
slow-setting
epoiy.
anO
roughen
up the inside
ofthe luselage
belorehand. When
the
resin has
cured,
continue
lhe
hole
through
the block,
using
a
1
.5 mm
diameter
drill.
Screw in
the
towhook 11
,
and
file
off
any roughness
or burr
at the
end ol
the hook.
Retractable
wheel
/ fixed wheel
ll
you
intend
installing
a
relractable
or
fixed
wheel,
the axle
should
be
vertically
below
the wing
leading
edge.
place
the
f
uselage
on
a
llat
surface
and
mark
the
position
ol the wtno
root leading
edge
on the
underside
ol
the
fuselage.
For;
relractable
wheel
this is
the
position
ol the wheel
axle when
extended.
The full-size
machine
has
a wheel
diameter
of
350 mm, which
corresponds
lo a diameter
of aboul 75 mm
ln the model.
Toestablishthe
sizeof
thewheeldoors.
it
is
'--beslto
mark
the minimum
size
of the
apertureon
a oiece of
card
(about
5
mm
clearance
all round
the
wheel).
Mark
the
apertureonthe
fuselage,
drilla 1 mm
diameter hole
for
a
fine
lretsaw
blade
and saw
out the
apertu re
as neatly
as
you
can,
using
a small
piercing
saw litted
with
a fine fretsaw
blade.
Saw lhe
sawn-out
panel
in
hall lengthwise
(along
the
moulding
seam)
and
sand the
edges
smooth,
taking
carelo
sand
away
as
little
malerial
as
possible.
The more
accurale
your
cutting,
the
better
the wheel
doors will
fit in
the
luselage.
Glue
small
pieces
of
ply
in
place
in
the
luselage
overlapping
the aperture,
to act
as
stops loi
the wheel
doors.
lf
you
are fitting
a relractable
undercarriage,
remember
lo
allow for
the height
of the
unit when
inslalling
the servos
above
the
unit.
The
retract
servocan
be installed
laterin
a
suitable
position
on the
servo
plate
23.
lf wheel
doors
are litted
with
a
,?ubber
hinge"
(bicycle
inner
tube),
you
will
{ind
the rubber
holds
the doors in
Dlace and
rloses
them reliably.
Cut
pieces
of
the rubber
as
shown
on
-1he
plan,
and
punch
holes
along
the hinge line
with
a hole
punch.
Place
the wheel
doors
in
the aperture
in
the fuselage
and
apply a strip
of hinge
tape
58 along
the
straight
part
of the
hinge line
on the
outside.
Open
the doors,
and
glue
the
rubber
hinge
to the inside
sudace
of the fuselage,
using
instant
glue,
with
the holes located
at the
edge
of the hjnga
axis. Now
hold
the
"hinge"
under
light
tension
and
glue
the
other half
to the fully
opened
wheel
door. lf
the
tension is
correct,
the
wheel
door will
close reliably
by
itself
once
the
glue
has
set. lf this is
not
the case,
prjse
off the rubber
and
re-glue it
under
slightly
greater
tension.
Inlerior
luselage
f ittings
lf
you
wish
to
tit
out
your
DG
500/22
ELAN
with
a
pair
ol
pilots,
you
will
need
to
cut away
the
cabin lrame
floor
between
the
seats. You
will
also have
lo trim back
the
Dilot
figures
to clear the internallittings.
In
this case
you
will have
to
reconsider
the installation
of
the
radio
conlrol
equipment,
and re-site
the units
to sult
the space
available.
Place
the
pre-cut
cabin lrame
6
on the fuselage,
and check
thatthe fit
is
exactly right;it
should be
'l
mm
smallerthan
the
cabin llange
all round.
The
outlineof MULTIPLEX
Nano
and Miniand
profiservos
is
die-stamped
intothe
servo
plates
17
and 23.
lfyou intend
using
different
servos,
alter
lhe apertures
lo
sujt. ll
you
intend
installing
a
retractable
undercarriage
the
aileron
and
airbrake
servos will
have
to
be shifted
accordingly.
An
aperture for
the On/Oft
swilch (two
if
using
the
Secu
system)
is inciuded
in
one
plate.
Drill3.5
mm
diameter
holes
where
marked
ln lormers
24
and
25 lor
the
aero{ow release guide
tube.
lnstall
the
servos
on
lhe servo
plales
using
the screws
or
mounts
supplied
with
the units
(not
included
in
the kit).
lfyou
are litting
an aero-tow
release,
it
is
imporlant
to
usä a
powerful
servo
(output
torque
greater
than 2.0
cm,4(g).
Glue the
block 12
to the tront
lo(me(
24,
place
the
bättery
cover 28
on it.
and drilla 1.5
mm
holewhere
markedthrouoh
both
components.
Drill
ou he hole
in
the
battery
cover'io
2.5 mm
diameler,
and
secure it with
the screw
30.
The
assembly
23,25,26
and 24,
28 is now
installed
in
lhe
fuselage.
Take
care that
the Interior
tittings
do not
distort
the
fuselage
moulding
-
tflm
back
the
formers
if
necessarv.
The
former
with
the
cover
should
be
slid
lorward
to
the
ooint
where
the
cover is
a tight tit in
the fuselage
nose.
Belore
gluing
lhe formers
in
place,
temporarily
install
the radio
system
(battery,
servos,
switch
harness
and
receiver)
to
check
that
eveMhing tils
we .
Check
also that
the
cäbin
frame
is
stillan
accurate
fil. lt
must
not foulthe
servo
outDut
arms.
Using
glasspaper,
roughen
up the internal
fuselage
sides
wheretheformersaretobeglued,
andgluelhem
inposition
(UHU
plus
-
slow-setting
epoxy).
Caution:
checkthat
the
fuselage
is not
pushed
out
ot shape
Aero-low
coupling
A
simple and reliable
aero-tow
coupling
can be installed
as
follows:
lile
oul
a
vertical
2 x
5 mm
slot
in
the riqht-hand
fuselage
side as far torward
as
possible.
Drill
a
öilot
hole
first,
then file
out
lo shaDe.
Cut
lhe
plastic
guide
tube
54 to
the correct
length,
and
thread it
through
the
holes
in
the formers.
Cut
the
Dushrod
38 to length
and slip
it
into
the
guide
tube. The
pushrod
should
point
direclly
to
the
innerrnost
hole
in
the
servo
output lever,
and the
otherend
ofthe
rod
should run
across
the centre
olthe
slot. Trim
lhe holes
in
the formers
untilthis
is
the
case.
Solder
the clevis
35
to the
end of the
steel rod,
slip the rod into
the tube,
and
connecl
the clevis
to
lhe servo
output
arm.
as close
to the
output
shaft
as
possible.
Cut the
steel rod
to length,
and de-burr
the
cut end.
When
the
servo output
arm
is
al neutral,
the
end of
the steel rod
should
be visible
in
the
centre
of the
slot.
Roughen
up the
guide
lube
and
the fuselage
side,
and
epoxy
the tube in
place,
with
lhe rod
pointing
directly
at
the
servo
output
arm. lt
may
be necessary
to
push
the
guide
tube against
the
fuselage
side
with
a
length
of wood while
the
glue
is
setting.
Check
that
the system
works reliably.
lt
may
De
necessary
to cut
a
notch
for
lhe
aero_low
release
guide
tube in
the
battery
cover
29.
To
use
the
tow
release,
tie a
simple loop in
one end
of
the
aero{ow tine,
and
slip the loop
into
the slol.
Lock
it
bv
shifting
the
tow release
servo
to the
',latched"
end-point.