Wing Span
Wing Area
Flying Weight
Fuselage Length
54.0 in / 1370mm
564 sq in / 36.4 sq dm
6.0 lbs / 2650g
54 in / 1370mm
Warning !This model is not a toy.
It is designed for maximum performance. Please seek advice if one is not familiar with this kind
of engine powered precision model. Operating this model without prior preparation may cause
injuries. Remember, safety is the most important thing. Always keep this instruction manual at
hand for quick reference.
THE WORLD MODELS
MANUFACTURING CO. LTD.
FACTORY PRE-FABRICATED
ALMOST-READY-TO-FLY (ARF) SERIES
MADE IN CHINA
www.theworldmodels.com
0.40 cu.in. displacement 2-cycle
0.52 cu.in. displacement 4-cycle
Radio required : 5 channels, 6 servos airplane radio
* Specifi cat ions are sub jec t to change wi tho ut notice. *
Specifications
INSTRUCTION MANUALINSTRUCTION MANUAL
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P. 1
I N D E XI N D E X
BEFORE YOU BEGINBEFORE YOU BEGIN
PARTS LISTPARTS LIST
ASSEMBLYASSEMBLY
SAFETY PRECAUTIONSSAFETY PRECAUTIONS
P. 1P. 1
P. 2P. 2
P. 3 - 10P. 3 - 10
P. 11P. 11
BEFORE YOU BEGIN
Do not overlook this symbol!
Cut off shaded portion.
Ensure smooth non-binding
movement while assembling.
Apply instant glue
(C.A.glue, super glue.)
Assemble left and right
sides the same way.
Peel off shaded portion
covering film.
Pay close attention here!
Apply epoxy glue.
Pierce the shaded portion
covering film.
Must be purchased separately!
Drill holes with the specified
diameter (here: 3mm).
3mm
Warning!
Check all parts. If you find any defective or missing parts contact your local dealer. Please DRY FIT
and check for defects for all parts that will require CA or Epoxy for final assembly. Any parts you
find to be defective after the gluing process may be difficult to remove for warranty replacement. The
manufacturer will replace any defective parts. but will extend to the parts that are good before
not
gluing to defective parts during assembly.
Read through the manual before you begin, so you will have an overall idea of what to do.
Symbols used throughout this instruction manual comprise of the following : -
1
2
3
Parts List
P. 2
1. FUSELAGE & BELLY PAN --1 set
2. MAIN WING --1 pc.
3. STABILIZER & ELEVATOR --1 set
4. RUDDER --1 set
5. CANOPY --1 set
6. COWLING --1 pc.
TRANSPARENT DUMMY COWLING --1 pc.
7. PILOT (#PC001050A) --1 pc.
8. SPINNER Ø62mm --1 pc.
9. ENGINE MOUNT PL5111-050 --1set
10.FUEL TANK 320cc --1 set
11.SPONGE 10x80x200mm (For Radio Equipment) --2 pcs
12.TAIL LANDING GEAR --1 set
13.MAIN WHEEL Ø50mm --2 pcs
14.TAIL WHEEL Ø23mm --1 pc.
15.PUSHROD , PUSHWIRE & PULLWIRE:- COPPER TUBE d2.0xD2.4x8mm (For Rudder) --4 pcs
METAL ROD Ø1.8x27mm (For Rudder) --2 pcs
METAL ROD Ø1.8x27mm w/Threads (For Rudder) --2 pcs
METAL ROD Ø1.8x80mm (For Elevator) --1 pc.
METAL ROD Ø1.8x105mm w/Threads (For Aileron) --2 pcs
METAL ROD Ø1.8x160mm w/Threads (For Elevator) --1 pc.
METAL ROD Ø1.8x165mm w/Threads (For Elevator) --1 pc.
PLASTIC TUBE d2xD3x700mm (For Elevator) --2 pcs
PLASTIC TUBE d2.5xD3x50mm (For Rudder) --2 pcs
WOODEN ROD Ø8x580mm (For Elevator) --1 pc.
16.THROTTLE PUSHWIRE Ø1.2x420mm
w/Plastic tubed2xD3x200mm --1 set
17.WOODEN PARTS:- BALSA 10x10x91mm (For Fixing Fuel Tank) --1 pc.
PLYWOOD 1x10x20mm (For Belly Pan ) --2 pcs
PLYWOOD 6x20x33mm (For Belly Pan) --2 pcs
PLYWOOD 3x61x85.5mm (Rudder Servo Stand) --1 pc.
PLYWOOD 3x61x87.5mm
(Throttle & Elevator Servos Stand) --1 pc.
PLYWOOD 3x10x77mm (For Rudder Servo) --2 pcs
PLYWOOD 3x10x79mm
(For Throttle & Elevator Servos) --2 pcs
18.PLASTIC PARTS:- CLEVIS --8 pcs
SILICON GROMMET d1.5xD6.5mm
(For Cowling, Canopy & Belly Pan)--12 pcs
HORN --4 sets
HORN (w/o-Base For Rudder) --2 sets
STRAPER --3 pcs
19.METAL PARTS:- LINKAGE CONNECTOR 2.1mm --3 sets
COLLAR 2.1mm w/set screw --1 set
COLLAR 4.1mm w/set screw --2 sets
NUT2mm --2 pcs
NUT 3.5mm --8 pcs
SCREW PA 3x12mm --2 pcs
SCREW PM 2x16mm --4 pcs
SCREW PM 2x20mm --2 pcs
SCREW PM 2x25mm --4 pcs
SCREW PM 3.5x30mm --4 pcs
SCREW PM 4x25mm --4 pcs
SCREW PM 4x35mm --2 pcs
SCREW PWA2.3x8mm --6 pcs
SCREW PWA2.3X12mm--4 pcs
WASHER d3.5xD8mm --8 pcs
WASHER d4xD9mm --4 pcs
WASHER d4xD15mm --2 pcs
20.FUEL TUBE Ø6x5mm --9 pcs
HEAT-SHRINK TUBE Ø8x40mm --2 pcs
21.DECALS: ST 200 035 --1 set
P.3
1
Aileron Servo
3
Aileron Servo
2
Main Wing
Peel off shad ed po rti on
coverin g fil m.
Peel s ha ded
Port io n cover in g
film .
PM 2x25 mm Screw
Ø1.8x1 05mm
PM 2x25 mm
Clevi s
Fuel Tub e
Ø6x5mm
4
Stabilizer
6
Landing Gear Servo
5
Main Landing Gear
P.4
Linka ge Stopper
3 X 3mm Set Screw
L i n k a g e C o nn ec to r
2mm Nut
2m m Washer
KA 3x14m m Screw
3mm Set S crew
4.1mm C ollar
Wheel Ø5 0mm
1.5 mm
26m m Stork e
Wheel s up positi on
T L -s do i e
To R-s
ide
Wheel s down posi tion
3mm Set S crew
KA 3x14m m
4.1mm C ollar
26m m Stork e
7
Engine Mount
9
Tail Landing Gear
8
Vertical Fin/Rudder
P.5
PA 3x12m Scr ew
3mm Set S crew
2.1mm C ollar
Wheel Ø2 3mm
PA 3x12mm
2mm
1.5mm
PM 4x25 mm Screw
4mm Washer
Engin e Mount
PL5111-050
4mm
PM 4x25 mm
Apply t hread loc ker
to scre ws.
Blind n uts are off-cente red to keep
the spi nner at the fuselage axis .
3mm Se t Sc rew
2.1m m Co llar
10
Elevator Pushrod
12
Engine
11
Fuel Tank
P.6
Ins tall Ba lsa & Ply wood fo r fixin g fuel ta nk
Bal sa 10x1 0x91m m
Fuel Tank
Bott om V ie w
Fuel Tank 320cc
PM 3.5x 30mm Scre w
d3.5x D8mm Wa sher
d3.5m m Nut
3.5mm
Plast ic tube
d2xd3 x200mm
Throt tle Pushwire
Ø1.2x4 20mm
PM 3.5m mx30mm
Insta ll Engine p osition
Spinner
Ø62mm
Fire
Wal l
115m m
4.5in.
Illu st ratui n is f or inve rt ed moun ti ng.
You ca n mount the e ngine upr ight
or sid ew ays sim pl y by rota ti ng the
engi ne m ount. t hr ust ang le s will
not be a ff ec ted.
3.5mm
1.8x8 0mm
heat- shrink Tub e
8x580 mm
Ø1.8x 16 5m m
Ø1.8x 16 0m m
5mm
1.8x1 65mm
1.8x1 60mm
Clevi s
Fuel Tub e
Ø6x5mm
Be care ful not to scorch
the hea t-shrin k tube!
COMPLETED
13
Servo Set
15
Elevator Pushrod
14
Elevator Pushrod
P.7
Linka ge Connector
3 X 3mm Set Screw
L i n k a g e C o nn ec to r
2mm Nut
2m m Washer
Eleva tor Pushr od
Plas ti c Tube
d2xD 3x 700mm
Plas ti c Tube
d2.5 xD 4x50m m
Eleva tor Pushr od
PM 2x1 6m m
Fuel Tu be
Ø6x5m m
PM 2x16 mm Screw
Botto m ViewBotto m View
Throt tle Pushwire
3mm
2mm
Inclu ded with th e Radio Set.
Throt tle Servo
Pleas e refer to attachecd shee t for linka ge connector installa tion.
2mm
2mm
16
Main Wing
18
Radio Equipment
17
Rudder Pullwire
P.8
PM 2x20 mm Screw
2mm Nut
Plast ic Tube
d2xD3 x50mm
PM 2x20 mm
Copp er Tu be
Fuel Tu be
Ø6x5m m
Meta l Ro d
Ø1.8x 27 mm
w/Th re ads
Insta ll and arra nge the servo as s hown in the d iagram.
Plywo od3x61x 87.5mm
Plywo od3x61x 85.5mm
Clamp the copper tube
Throttle
Servo
Fuel Tube
Ø6x5mm
Elevator
Servo
Rudder
Servo
Metal Rod
Ø1.8x27m m
Plywo od3x10x 79mm
Plywo od3x10x 77mm
Botto m ViewBotto m View
PM 4x35 mm Screw
d4xD1 5mm Washer
Plyw oo d
6x20 x3 3mm
PM 4x35 mm
d4xD1 5mm
2mm Nut
19
Canopy
21
Cowling
20
Belly Pan
P.9
PWA 2. 3x12m m Sc rew
d1.5 xD 6.5mm S il icon Gro m me t
PWA 2. 3x12m m
Plyw oo d
1x10 x2 0mm
Sili co n Gromm et
d1.5 x6 .5mm
1.5 mm
PWA 2.6 x12mm Scre w
d1.5 xD 6.5mm S il ic on Gro m me t
1mm
PWA2.6x12m m
PWA 2. 3x8 Scr ew
d1.5x D 6.5m m Silico n Gr om met
Sil icon Gr ommet
d1. 5xD6. 5mm
PWA 2.3 x8mm
3mm
Pilot
1mm
Sili co n Gr omme t
d1.5 x6 .5mm
1.5 mm
22
C.G.
24
Control Throws
23
Wing Setting
P.10
Adjus t the wing an d fuselage con figurat ion
as in the d iagrams .
Eleva tor
Rudde r
Ailer on
18mm
45mm
10mm
135mm
5.32i n.
Adjus t the control throws as sho wn in
the dia gram. Th ese throw s are good for
gener al flying . You can adjust acc ording
to your p ersonal p reference.
The ide al C.G. pos ition is 135mm ( 5.32in. ) behind
the lea ding edge m easured at whe re the wing
meets t he fuselage. In order to ob tain the C. G.
speci fied, add w eight to the fus elage or mo ve
the bat tery posi tion. Check th e C.G. befo re
flyin g.
18mm
45mm
10mm
Important Safety Precautions
#First t ime flyer sho uld never fly by himself / herself. Assistance from experienced flyer is
absolu tely necessary.
#Pre-f light adjustment must be done before flying, it is very dangerous to fly a bad ly
pre-ad justed aircraft.
#Zen 50 is s pecially designed to be powered by 2C 0.40 or 4C 0.52 engine, usi ng a mor e
powerf ul engine does not mean better performance. In fact, over powered engine m ay
cause se vere damage and injuries.
#Make su re the air field is spacious, never fly the plane too close to people and never ge t
too clos e to a running propeller.
#If you fi nd wrinkles on the covering as a result of weather changes, you can use hot iron
to remov e the wrinkles. Please begin with lower temperature setting and gradua lly raise
the temp erature until the wrinkles are gone. Too hot an iron may damage the covering.
#Check a nd re-tighten up all factory assembled screws, use thread locker if appl icable.
#First t ime flyer sho uld never fly by himself / herself. Assistance from experienced flyer is
absolu tely necessary.
#Pre-f light adjustment must be done before flying, it is very dangerous to fly a bad ly
pre-ad justed aircraft.
#Zen 50 is s pecially designed to be powered by 2 engine, using a more
powerf ul engine does not mean better performance. In fact, over powered engine m ay
cause se vere damage and injuries.
#Make su re the air field is spacious, never fly the plane too close to people and never ge t
too clos e to a running propeller.
#If you fi nd wrinkles on the covering as a result of weather changes, you can use hot iron
to remov e the wrinkles. Please begin with lower temperature setting and gradua lly raise
the temp erature until the wrinkles are gone. Too hot an iron may damage the covering.
#Check a nd re-tighten up all factory assembled screws, use thread locker if appl icable.
C 0.40 or 4C 0 .52
ADDENDUM
LINKAGE CONNECTOR
HW7111030 & HW7111060
Drill 2mm hole at servo horn.
Insert linkage connector
into servo horn.
Make sure shoulder of
screw is cleared from
servo horn.
Add washer to reduce
play if necessary.
Sh oul de r
Tighten up the round nut
against the shoulder. Apply
CA or permanent thread
locker.
After fastening the round nut, make sure that
the linkage connector can rotate freely.
P.11
This transparent 3D template
is used for position guidance
of the actual cutting of the
pre-painted cowling.
Usage of the transparent 3D template
Simply cut the transparent 3D template to fit your engine and
exhaust pipe, then slide onto the actual cowling and use as
template to mark the openings required for final cutting.
12
34
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