Multiplex Alpina magic User Manual

sides
of
the
fin slot;
trim
out
the slot
if necessary'
The
root
ribs
itroutO
meet
the
fin
root
fairings
snugly
and
squarely-
.
Remove
the
tailplane
and
pivot
dowels,
and
glue
the
plvot
tuoe
in
place
by applying
a
little instant
glue
from the
outslde
l aKe
;;i;;;
td "q-"ä
te-the
fin
inwards;it
is best
to fitthe
f in
post
29
temporarily
to
avoid
this.
Cnecf tnai
ttre
crank
moves
freely
over
its entire
arc
of
move-
Äeni.
anO
sanO
oack
the ends
of
the
pivot
tube
flush
with the
fin
skin
if necessary;
work carefully
here, and
protect
the sur-
rounding
area
ofthe
fin
surtace
with
tape
to
prevent
damage'
The
rudder
The
first
step
here
is to
trim the
lin
post
29
to
Jit snugly
in the
iäifing
edge
ofthe
fin.
lt should
be
located
parallelto
th^e.trailing
äaqä
äitü
tin moulding,
recessed
bv
about
8
mm Glue
it.in
püä
wittr epoxy
resin.
Place
scrap
wood
strips
on either
side'
and
press
the sides
together
with
small
crew
clamps
untll
tne
iäiiri
nas
set
traro.
Here
is a usefultip:
before
gluing
the
tin
post
in olace.
fix the spreader
strips
in the
correct
position
with small
oiäces
öt
oouUte-sided
tape.
The
clamps
will
then
be easy
to
ättäCn.
Sigt't
atong
thefin
from
aboveto
checkthat
it is nottwist-
ed. and
iinecessäry
undo the
screw
clamps
and
re-align
the
t]n. ti ij essentiat
tträt
tne
tin is
in line
with the
tuselage
centrel-
ine.
fite
out
ttre rounded
areas
at the
top
and bottom
of the
fin, as
shown
in the
drawing.
Cut
holes
in the
lin
post
29
lor the
hinge
luqi
59.
They
are
tocäted
about 50
mm from
the top
and
bottom
i'i
-
oritt th;
hotes
4
mm diameter,
then
file them
out
to
fit the
h"roe
luqs.
TheY
must
be central
öui'trrelöaoing
äoge
strip
47
to
length,
glue
it to the
front
face.of
the
rudder,
and sand
the edges
flush
Mark a centrellne
on
tne
irontläce
öt
part
+7
from top
to bottom,
and
glue
the
hinge
tube
ii exactly
alöng
tnis
line, using
instant
glue.
Fitting
the
pivot
rod
57
in
the
tube
will help
to
keep
it straight.
Glue
the
in
-
fill strips
58
on either
side
of
the
pivot
tube,
and
glue
tträ
tront
strip
47 bn
top.
Tape
all the
parts
in
place
Sand
all
edges
flush.
Thä
next stage
-
rounding
off
the
rudder
leading
edge
-
must
be
carried
out
\,iith
particular
care,
as the
fit of
the
rudder
to the
fin
ücruii"ttottt"
dppearance
of
the
whole
tailgroup
Keepstrictly
iä it'ä
cross
-
seötions
shown,
and
check
the
fit continually
bv
offerinq
the
rudder
uP
to the
fin
ihe
ruäoer
hinge
lug
positions
are
now transferred
to
the
rud-
Oäi.
ee sure
toättow
fbr the
top and
bottom
strips
23
Remove
the Divot
rod 57
and
cut a
horizontal
slot
4 mm
wide across
the
iuääer
teading
edge
at
the
marked
points.
The
slots
must
be
deeo
enough
lo cut
right
through
the
pivot
tube'
Insert
the
pivot
rod in
the rudder,
and
push
the
hlnge.lugs
oacK
until vou
feel them
snap
onto
the
rod. Check
that the
hinge
lugs
iotätä
treety,
anO
trim the
slots
it necessary'
Checkthatthev
line
r
:orrectly
wilh the
holes
in the
fin
post.
ir,e
iudoeimust
be
installed
central
to
the
fin To
ensure
that
itris
ijttre
case,
tit a thin
strip
of card
between
the
fin and
rudder
än Oottr
siOes.
g"
careful
not to
push
the
rudder
in so
lar that
it
cannot
be deflected.
About
30
degrees
movement
is necessary
on
both
sides.
Apply s-minute
epoxy
to
the
rudder
hinge.lugs
and
the
fin
post
holes,
and
plug
them
in as already
descrloeo'
iäo" ttr"
r.uäa"t
in
pläce.
When
the
epoxv
has
set,
check
that
thärudder
moves
fräely to
both
sides.
lt can
be
removed
at
any
time
by
pressing
it out ot
the
hinge
lugs.
Cut
the
pivot
rod
llush
and
glue
the
top
and bottom
blocKs
zc Io
the tios of
the
rudder.
Sand
the
blocks
to a
rounded
sectron'
to
match
the
fuselage.
StiOe
ttre steet
pulhrod
48
into
the rudder
bowden
cable
outer
änO
mä*
wnetä
it
crosses
the
rudder'
Cut
a slot
for
the
rudder
noin
CS
tooteo
l.3mm diameter),
and
glue
the horn
in the slot'
Aoolv taoe
around
the slot
to
avoid
excess
resin
soiling
tne sKln
r'frä Ädiä
l" instalted
almost
within
the
thickness
of the
rudder,
üriählJrinäiit
ooes
not foulthe
luselage
side.
Bend
the.final
I
mm of
the
rudder
pushrod
at right
-
angles'
and
connect
ll to
the
rudder
horn.
The connection
is
quite
secure,
and
neeos
no
further
fixing.
The
wings
The
first stage
here
is to sand
down
the
trailing
edges
Work
ca-
i.irLtu. to
"ciieue
an
even thickness
of
no
more than
1 mm
Take
"är" äiso
to
maintain
a smooth
airfoil
shape
Particular
care
is
näeded
wnen
sanding
the ailerons;
be sure
to
keep
the
wings
in
their
foam
negative
shells
when sanding.
The leading
edges
on-
lv require
a light
sanding.
6eoaäe
ttre"aireron
fro-m
the
wing
panel
by cutting
at
right-
anqles
to
the
fuselage
centreline
at
the end
of
the
machlned
slor
äüiitä
""ä"i"io"
Rimove
a
strip
7mm
wide
f rom
both
ends
of
tt'e
äit"ron,
to
provide
clearance
for
the balsa
sealing
strips'
sjnd
tne
aiteroir
leading
edge
perfectly
straight
The
machining
Drocess
leaves
rounded
corners
to the
machined
slot;
these
should
be
sanded
out
square.
öriin"
äit"i""
recess
seäling
strips
47 to
the
lengths
required
and
trim
them
to
fit. Glue
them
to
the
wing, using
tape
to
holo
ihem
in
olace,
and
sand
theedgesflush.
Please
notethatthetop
i,äoä
-
i,t'iln
later
forms
the äileron
hinge
line
-
must
be
lett
inäro. Otfer
up
the
aileron
to the
wing
and check
that
it fits
ac-
curately.
WnJn
ättactring
the sealing
strips
to the
ailerons
it is
vital not
to
distort
the
panlls.
Weight
them
down
on
a
flat board,
with the
f"ääing
"Og"
projectind
slightlv,
and
leave them
in this
position
untit tnä
qt;e
Äas-set.
Giue
the sealing
strips
47 to the
end
faces
of the
ailäron,
and sand
them
back
flush. Offer
up the
aileron
to
thewing,
and sand
back as
required.
The
gap
between
wing
and
aileron
at either
end
should
be
about
1 mm'
The
lollowing
section
describes
two
methods
of actuating
the
a
erons:
f.
ihe orthodox
linkage
using
servos
in the
fuselage
and
bell-
cranks
in the
wings.
2.
The system
based
on
wing
-
mounted
servos
Aileron
bellcranks
Drill a 3
mm
diameter
hole
in the
bellcrank
mount
43 where
marfeO.
nssemOte
the
bellcrank
44 as
shown
in the
drawing'
änä
äi"*
ii io tn"
mount
Be sur€
to
make
one
left
-
hand
and
onö
riont
-
trano
assembly.
The
crank
must rotate
freely,
but
wi-
ttrout
ötay.
lf there
is a
little axial
movement,
rub
the inside.sur-
iäöääiJ'i"
ättt'"
twoflanged
bushes
on 4oo
grade
wet-and-dry
abrasive
paper
to
remove
a little
material.
Adjust
the
tightness
or
ttr" oiuot
äcie*
curefully,
and
secure
the
nut
with 5-minute
epo-
xv when vou
are
satisfied.
dä-ouir tire
enOs
of one
steel
pushrod 48. Pass
it into
the
front
OoJOen
caUte
outer
tube
from the
wing root
end,-and
slide
it as
far as
the
bellcrank.
Pull the
end
of
the rod
out
of the
bellcranK
il"rriiärär".
it'*äo
a clevis
40ontothe
end'
and
bendthetinal2
Ä-"i oiüiä,i,ii"
"t
iisht
-
angles.
slide
the
link
right
to the
end
and
läiOär
ii sounOtv
to-the
rod
Connect
the
clevis
to
the bellcrank
fu-.i*
if,ä
t'of"
inown
on
the
plan)
and
fitthe
bellcrank
mount
in
ihe
wing
well. Refer
to
the
drawing
for the correct
linl(age
noles
and
bellcrank
orientation.
ön""xtt'ättt'"
u"ricrank
rotates
freely
when
the
rod.is operated'
Shift
the bowden
cable
outer
tube
in the
wing'
and
pull
lt oacK
iäm
ine
aiteron
uellcrank
weltiust
far enough
to ensure
that
the
äreuii
ooäs
not toul
it at
maximum
movement
lt
is important
not
to
move
the
bowden
cable
outer
more
than
is absolutely
neces-
"ä. f
ra*itut
10
mm from
the clevis
at
full throw),
to
prevent
inä'"iäel
iöo
tr"ting
under
compression.
check
th€t the.bell-
crank
and
the
associated
linkage
do
not
touch
the
toam
aI any
point.
itre uowden
cable
outer
is normally
free
to
move
inside
the
wino.
lf
vou
find
it is
fixed, twist
a small
round
file into
it at
the.rool
enol
Cäreiurrv
twist
the tube
to
and
fro until
it is
released
lrom
it'"
*inq ir.in.
oo not
use
force
under
any
circumstanc€s
The
6owaäriCaote
outer
can
now
be shifted
as
required
Take
great
ääre
not to
putt
it
out too
far,
as
it is exceedingly
diflicult
to
push
it back
into
the
wing
again.
öeitt'e
o"ilcrant
t;its-neutral
position
(long
arm
parallel.with
the
fuselaqe
centreline)
and
mark
where
the threaded
pusnroo
lC crosseä
tne
sealing
strip
when
the
rod
is at right
-
angles.to
tt'eäifeön
leading
ed-ge,
and
the
rod
is
pointing
exactly
to
the
connection
point
on the
shorter
bellcrank
arm
using
a
polnleo
iounätire
"r.it atunnelfrom
the
sealing
strip
through
the.foam
to
the
bellcrank
well.
Remove
as
little
foam
as
possible'
to-avolo
ünnäcJisäriry
weakening
the
structure'
Screw
a
clevis
40 onto
tnä
tnreaOeobustrrod,
and
bend
the
rod as
shown
in the
draw-
inä.
Fass
it tnlousn
the tunnel
and connect
the
clevis
to
the
bell-
cränk.
Hold
the
aileron
against
the
wing,
with equal
cle^a-rance
at
either
end,
and
mark the
position
of the
aileron
horn
3u
(orllleo
i7 mm
oiänieterl.
rile outihe
horn
slot
in the
aileron
untilthetop
"iin
i" ui"ioi"-nppry
strips
oftape
round
the slotto
avoid
soiling
17

Multiplex Alpina magic Specifications

General

Brand	Multiplex
Model	Alpina magic
Category	Toy
Language	English