THE WORLD MODELS 1/4 Clipped Wing Cub Instruction Manual

1/4 Clipped Wing Cub

0.91 cu. in. displacement 2-stroke

1.20-1.60 cu. in. displacement 4-stroke

Requires : 4 - channel radio w/ 4 high torque servos and
1 standard servo ( throttle)

Wing Span
Wing Area
Flying Weight
Fuselage Length

88.0 in / 2240 mm
1330 sq in / 85.8 sq dm

14.0-16.0 lbs / 6400-7300 g

65.0 in / 1650 mm

FACTORY PRE-FABRICATED

ALMOST-READY-TO-FLY(ARF)SERIES

MADE IN CHINA

* Specifications are subject to change without notice.*

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 electric powered precision model. Operating this model without prior preparation may cause
injuries. Remember, safety is the most important thing. Always keep this instructio n ma n ua l at
hand for quick reference.

INSTRUCTION MANUAL

Specifications

The World Models

Manufacturing Co., LTD.

www.theworldmodels.com

A057PO29971404

INDEX

BEFORE YOU BEGIN

BEFORE YOU BEGIN
PARTS LIST
ASSEMBLY
SAFETY PRECAUTIONS

P.1
P.2
P.3-P.13
P.13

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 not extend
to the parts that are good before gluing to defective parts during assembly. Warranty will
not cover any parts modified by customer.

Symbols used throughout this instruction manual comprise of the following :-

Read through the manual before you begin, so you will have an overall idea of what to do.

1

2

3

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.

Must be purchased separately !

Drill holes with the specified
diameter (here: 3mm).

Pierce the shaded portion
covering film.

3mm

Do not overlook this symbol !

Warning!

Apply thread locker

1/4 Clipped Wing Cub

P.1

A057PO29971404

Parts List

COVERING:--

(CUB YELLOW WITH THUNDER BOLT)

TOUGHLON STL 201 BLACK
TOUGHLON STL 331 CUB YELLOW

(BLUE / WHITE SUNBURST)

TOUGHLON STL 100 WHITE
TOUGHLON STL 251 SKY BLUE

(RED / WHITE SUNBURST)

TOUGHLON STL 100 WHITE
TOUGHLON STL 312 BRIGHT RED

P.2

1. MAIN WING -- 1 pair

2. PUSHROD Ø1.8x120mm w/ Threads(For Aileron Servo) -- 2 pcs
FUEL TUBE Ø6x5mm -- 4 pcs
STRAPER PL4112102 -- 2 pcs
SCREW PB2x30mm -- 6 pcs
SCREW PWA2x8mm -- 8 pcs
SERVO MOUNTING PANEL PL5310000 -- 1 pair
CLEVIS PL4112103 -- 2 pcs
TRI-HORN M3x22mm(L) -- 2 sets

3. SOCKET HEAD SCREW M3x15mm -- 12 pcs
WASHER d3xD7mm -- 8 pcs
M3 NUT -- 4 pcs
MAIN WING STRUTS -- 1 set
WING STRUT WIRE Ø3x142x183mm -- 2 pcs
WIRE BRACKET PL5330030Y -- 8 pcs

4. FUSELAGE -- 1 pc.
FUEL TANK 500cc -- 1 set
CABLE TIE(For Fuel Tank) 1.5x5x400mm -- 1 pc.
DOUBLE-SIDED TAPE 40x100mm -- 1pc.

5. ENGINE MOUNT PL5111080 -- 1 set
SOCKET HEAD SCREW M4x30mm -- 4 pcs
WASHER d4.2xD14.5mm -- 4 pcs
M4 BLIND NUT -- 4 pcs

6. ALUMINUM PLATE(For Engine Mount) -- 1 pc.
ANTI-VIBRATION MOUNT PL5214094 -- 1 set
INCLUDE: SOCKET HEAD SCREW M4x35mm -- 4 pcs
SCERW KM3x20mm -- 8 pcs
WASHER d4xD12mm -- 8 pcs
NYLON INSERT LOCK NUT M3 -- 8 pcs
NYLON INSERT LOCK NUT M4 – 4 pcs
THROTTLE PUSHWIRE Ø1.2x480mm -- 1 pc.
PLASTIC TUBE d2xD3x300mm -- 1 pc.

7. SCREW PWA2.6x12mm -- 4 pcs
SILICON GROMMET d1.5xD6.5mm(For Cowling) -- 4 pcs
DUMMY ENGINE COVER -- 1 pair
COWLING -- 1 pc.
TRANSPARENT 3D TEMPLATE -- 1 pc.

8. SCREW PA3x12mm -- 2 pcs
SOCKET HEAD SCREW M3x14mm -- 2 pcs
WASHER d3xD7mm -- 2 pcs
ALUMINUM PLATE 2mm -- 2 pcs

9. MAIN LANDING GEAR -- 1 set
SCREW PA3x12mm -- 12 pcs
WASHER d3xD7mm -- 12 pcs
MOUNTING PLATE 12x20mm -- 6 pcs

10. SCREW PA1.7x8mm -- 6 pcs
SCREW PM3x13mm -- 8 pcs
WASHER d3xD7mm -- 16 pcs
M3 NUT -- 8 pcs
COLLAR Ø4.6mm w/ set screw -- 4 sets
MAIN WHEEL(CUB) Ø107mm -- 2 sets
PLYWOOD 3x145x171mm(Main Landing Gear Cover) -- 1 pair
WIRE BRACKET PL5330050Y -- 8 pcs

11. STABILZER & ELEVATOR -- 1 set

12. VERTICAL FIN & RUDDER -- 1 set

13. TAIL GEAR ASSEMBLY 11-22LBS PL3410021 -- 1 set
SCREW PA3x14mm -- 3 pcs
SCREW PWA2x12mm -- 3 pcs
PLATE(For Staying on Tail Fuselage Bottom) 1.5x10x34mm -- 1 pc.

14. FLYING WIRE Ø1x1300mm -- 1 pc.
FLYING WIRE BRACKET -- 6 pcs
FLYING WIRE BRACKET CLEVIS -- 4 pcs
EYE SCREW M1.8x6x12mm -- 4 pcs
SCREW PM2x16mm -- 6 pcs
SCREW PM2x8mm -- 4 pcs
M2 NUT -- 6 pcs
WASHER d2xD5mm -- 6 pcs
COPPER TUBE d2.5xD3.2x8mm (For Rudder) -- 8 pcs

15. SCREW PB2x16mm -- 3 pcs
FUEL TUBE Ø6x5mm -- 1 pc.
CLEVIS PL4112103 -- 1 pc.
TRI-HORN M3x22mm(L) -- 1 set
PUSHROD Ø1.8x1065mm w/ Threads(For Rudder Servo) -- 1 pc.

16. SCREW PB2x16mm -- 6 pcs
FUEL TUBE Ø6x5mm -- 2 pcs
CLEVIS PL4112103 -- 2 pcs
TRI-HORN M3x22mm(L) -- 2 sets
PUSHROD Ø1.8x995mm w/ Threads(For Elevator Servo) -- 2 pcs

17. LINKAGE CONNECTOR Ø2.1mm -- 1 set

18. PLYWOOD 3x152x218mm(For Fuselage Servo) -- 1 pc

19. FUEL TUBE Ø6x5mm -- 2 pcs
STRAPER PL4112102 -- 2 pcs
PUSHROD Ø1.8x85mm(For Elevator) -- 1 pc.
PUSHROD CONNECTOR 4x9x20mm -- 1 set
SPONGE 10x80x200mm -- 2 pcs

20. SCREW PWA2x12mm -- 4 pcs
PILOT PC001102A/B -- 1 set
SIDE WINDOWS -- 1 pair
COCKPIT BASE PANEL 3x145x165mm -- 2 pcs

21. SCREW PWA2.3x12mm -- 10 pcs
SILICON GROMMET d1.5xD6.5mm(For Wind Shield) -- 4 pcs
WIND SHIELD -- 1 pc.

22. WING TUBE Ø16x545mm -- 2 pcs
SCREW PA3x30mm -- 2 pcs
SOCKET HEAD SCREW M3x30mm -- 2 pcs
WASHER d3xD7mm -- 4 pcs

23. SOCKET HEAD SCREW M3x8mm -- 2 pcs
WASHER d3xD7mm -- 4 pcs
M3 NYLON INSERT LOCK NUT -- 2 pcs

24. DECALS: A057DEC -- 1 set

A057PO29971404

P.3

Main Wing

1

Pre-glued

Aileron Servo

2

Ø1mm pilot holes for World Models tri-horn are pre-drilled.
Please look for pin-hole marks at under side of control surfaces.

Bottom View

Fuel Tube

6x5mmØ

Straper

FuelTube

6x5mm

Ø

PB2x30mm

-Tri horn
M3x22mm

Clevis

Pushrod

1.8x120mmØ

6

PB2x30mm

Screw

8

PWA2x8mm Screw

Bottom View

PWA2x8mm

Aileron Servo Lead

PWA 2 x 8mm

1mm

1mm

TWM PL8210010
CLEVIS WRENCH

A057PO29971404

1

P.4

Fuel Tank4

Main Wing3

d3xD7mm Washer

M3 Nut

M3 Nut

M3x15mm

M3x15mm

Main Wing Strut

Washer

d3xD7mm

3.5mm

202mm

(7.95in.)

169mm

(6.56in.)

69mm

(2.72in.)

241mm

(9.48in.)

258mm

(10.15in.)

12

8

4

Bottom View

3mm

3

Cable Tie (For Fuel Tank)

1.5x5x400mm

Completed

F

u

e

l

T

a

n

k

500

c

c

UP

Double-sided Tape 40x100mm

Double-sided Tape 40x100mm

Cable Tie

(For Fuel Tank)

1.5x5x400mm

2

M3x15mm
Socket Head Screw

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P.5

6 Engine

Throttle Pushwire

Ø1.2x480mm

Plastic Tube d2xD3x300mm

147mm

5.79 in.

Installed Engine Position

d4xD12mm Washer

M4 NYLON INSERT LOCK NUT

KM3x20mm Screw

8

4

M4x35mm
Socket Head Screw

M4x35mm

Socket Head Screw

d4xD12mm Washer

d4xD12mm

Washer

8

4

8

M3 NYLON
INSERT LOCK Nut

M4 NYLON
INSERT LOCK Nut

Copper Tube d4.1xD5x67.2mm

1

2

Make sure the rounded
edges are facing the
shock absorbing
SILICON PAD.

KM3x20mm

Copper Tube
d3.1xD4x7.2mm

M3 Nylon Insert
Lock Nut

ANTI-VIBRATION MOUNT INSTALLATION

M4 Nylon Insert
Lock Nut

d4xD12mm

Washer

d4xD12mm

Washer

M4x35mm

Socket Head

Screw

Engine Mount

5

Engine Mount

PL5111080

Washer

d4.2xD14.5mm

d4.2xD14.5mm Washer

M4 Blind Nut

4

4

7.5mm

Determine the angle of
installation of the engine

mount so the muffler
will not contact the

fuselage.

4

M4x30mm
Socket Head Screw

Socket Head Screw

M4x30mm

5.5mm

A057PO29971404

P.6

Main Landing Gear

Wing Struts Mounting Bracket8

HM3x13mm Screw

d3xD7mm Washer

2

2

2

Washer

d3xD7mm

Aluminum Plate 2mm

PA3x12mm

Washer

d3xD7mm

M3x14mm

PA3x12mm Screw

d3xD7mm Washer

12

12

PA3x12mm

Washer

d3xD7mm

Bottom View

Bottom View

Cowling

7

PWA2.6x12mm Screw

d1.5xD6.5mm
Silicon Grommet

4

4

1mm

2.5mm

PWA2.6x12mm

PWA2.6x12mm

1mm

2.5mm

Please refer to the attached sheet for usage of the transparent 3D template.
First insert the grommet to the cowling then apply screw.

9

1mm

2.5mm

1mm

2.5mm

PWA2.6x12mm

d1.5xD6.5mm

Silicon Grommet

Cowling

1.5mm

1.5mm

1.5mm

1.5mm

M3x14mm
Socket Head Screw

A057PO29971404

P.7

C= C'

C

C'

Pre-glued

C=C

C

C

Pre-glued

Temporary install the main wing, adjust
leveling of the stabilizer to make it as
parallel to the main wing as possible.

PA1.7x8mm Screw

PA1.7x8mm

PM3x13mm Screw

PM3x13mm

d3xD7mm Washer

Washer

d3xD7mm

M3 Nut

M3 Nut

3mm Set Screw

4.6mm Wheel Collar

6

8

16

8

4

4

3.1mm

3.1mm

Bottom View

3.1mm

3.1mm

Vertical Fin / Rudder12

Stabilizer & Elevator11

Main Landing Gear10

(Stabilizer)

(Main Wing)

B B'

B=B'

A = A'

A A'

PM3x13mm

Washer

d3xD7mm

Wire Bracket

A057PO29971404

P.8

PB2x16mm Screw

Bottom View

3

Pushrod

Ø1. 8x1065

mm

Ø1mm pilot holes for The World Models tri-horn are pre-drilled.
Please look for pin-hole marks at under side of control surfaces.

Fuel Tube

Ø6x5mm

Clevis

Tri- horn

M3x22mm

PB2x16mm

M3 Nut

d3xD7mm Washer

PM3x18mm

d3xD7mm Wash

er

D2. 6mm

d2. 5xD3. 2x8mm

x3mm

Set

Scr

Copper Tube

Press down the center
1/3 portion

3mm

3mm

PM3x18mm Screw
d3xD7mm Washer

M3 N

t

3

6

3

3mm

3mm

TWM PL8210010
CLEVIS WRENCH

PM2x16mm Screw

6

4

PM2x8mm Screw

M2 Nut

M2 Nut

d2xD5mm Washer

Washer

d2xD5mm

Washer

d2xD5mm

6

6

M2 Nut

PM2x8mm

Clevis

d2.5xD3.2x8mm

d2.5xD3.2x8mm

PM2x16mm

PM2x8mm

2mm

2mm

Copper Plate

1x10x34mm

3.1mm Collar

1.5mm

1.5mm

Copper Plate

1.5x10x34mm

M3x3mm

Set Screw

PA3x14mm Screw

PA3x14mm

Bottom View

3

3

Set Screw

M3x3mm

PWA2x12mm Screw

15

Rudder Pushrod

14

Flying Wire

13 Tail Landing Gear

A057PO29971404

P.9

Clevis

Fuel Tube

Ø6x5mm

Tri-horn

M3x22mm

Pushrod

Ø1.8x995mm

16

Elevator Pushrod

TWM PL8210010
CLEVIS WRENCH

Ø1mm pilot holes for The World Models tri-horn are pre-drilled.
Please look for pin-hole marks at under side of control surfaces.

PB2x16mm Screw

PB2x16mm

6

3x3mm Set Screw

Linkage Connector

M2 Nut

M2 Nut

2mm Washer

2mm

Washer

2mm

Washer

Servo Tray

Servo Tray

18

Throttle Pushwire

Please refer to the attached sheet for linkage connector installation.

3mm

Throttle Servo

Servo Set

17

Plywood

3x152x218mm

2mm

2mm

1

1

1

2

A057PO29971404

P.10

4

Peel off shaded
Portion covering film

PWA2.3x12mm

Silicon Grommet

d1.5xD6.5mm

PWA2x12mm

1.5mm

Pilot

Cockpit Block

PWA2x12mm Screw

20

Windows

PWA2.3x12mm

10

4

PWA2.3x12mm Screw

d1.5xD6.5mm Silion Grommet

21

Wind Shield

1mm

2.5mm

Left Side

Right Side

KM2x8mm

M2 Nut

Elevator Pushrod

Ø1.8x85mm

Pushrod Connector

Elevator Servo

Install and arrange the servos
as shown in the diagram.

Receiver

Battery

Fuel Tank

450cc

Throttle Servo

Elevator Servo

Rudder Servo

Sponge 10x80x200mm

Fuel Tube

Ø6x5mm

Straper

To Throttle

J1(Pushrod Ø1.8x85mm)

J2(Pushrod Ø1.8x1000mm)

J1

J2

19 Radio Equipment

● Top View

Charge Receptacles

A057PO29971404

P.11

Main Wing

22

d3xD7mm Washer

2

4

PA3x30mm Screw

2

Top View

Left

Right

PA3x30mm

2.5mm

2.5mm

M3x30mm

Wing Tube
D16x545mm

180mm

180mm

60mm

135mm

2.5mm

2.5mm

Step 1. Insert the aluminum wing tube with the pre-drilled hole end into the right wing.
Align the lines marked at the wing root and wing tube and apply the HM3 x 30mm
machine screw through the pre-drilled hole on top of the wing. ( please confirm the
alignment of the hole by putting a 2.5mm diameter rod through the pre-drilled wing
hole before applying the screw ) The hole on the wing tube is pre-threaded, do not
over tighten the M3 x 30mm screw, the set up is for future removal of the wing.

Step 2. Install the right wing to the fuselage by inserting the wing tube (now attached to
the right wing) through the fuselage, then install the left wing.

Step 3. Make sure the wings are resting against the fuselage tightly. Locate the pre-drilled 2.5mm
hole at top of left wing, and drill along with 2.5mm drill bit until it passes through the wing tube.
Apply the PA3 x 30mm self-tapping screw.

Note : It is recommended that the wing tube stays with the left wing. Removal of the wings could
be acheived by removing the right wing machine screw, the right wing then the left wing with
wing tube. If removal of wing tube from left wing is also required, it is recommended that
instead of applying self-tapping screw in step 3, you pre-tap with M3 thread cutter and apply M3
machine screw.

d3xD7mm

Washer

d3xD7mm

Washer

M3x30mm
Socket Head Screw

A057PO29971404

P.12

Wing Setting

24

A=A’
B=B’

C=C’
D=D’

A

A'

B

B'

C

C'

D

D'

Control Throws

25

Aileron

20mm
20mm

Adjust the control throws as shown in
the diagram. These throws are good for
general flying. You can adjust according
to your personal preference.

Main Wing

23

M3x8mm

d3xD7mm Washer

Washer

d3xD7mm

M3 Nylon Inert Lock Nut

M3 Nylon Inert Lock Nut

2

4

2

55mm
55mm

Rudder

40mm
40mm

Elevator

M3x8mm
Socket Head Screw

A057PO29971404

P.13

Important Safety Precautions

# First time flyer should never fly by himself / herself. Assistance from experienced flyer is
absolutely necessary.

# Pre-flight adjustment must be done before flying, it is very dangerous to fly a badly
pre-adjusted aircraft.

# 1/4 Clipped Wing Cub is specially designed to be powered by 2C 0.91 or 4C 1.20 - 1.60
engine, using a morepowerful engine does not mean better performance. In fact, over
powered engine may cause severe damage and injuries.

# Make sure the air field is spacious, never fly the plane too close to people and never get
too close to a running propeller.

# If you find wrinkles on the covering as a result of weather changes, you can use hot iron
to remove the wrinkles. Please begin with lower temperature setting and gradually raise
the temperature until the wrinkles are gone. Too hot an iron may damage the covering.
Don,t use hot iron near the seams or edges,hot iron will melt the glue and shrink the
covering at the same time,causing the seams to pull away.

# Check and re-tighten up all factory assembled screws, use thread locker if necessary.

C.G.26

The ideal C.G. position is 112mm (4.41 in) behind
the leading edge measured at where the wing meets
the fuselage. In order to obtain the C.G. specified,
add weight to the fuselage or move the battery position.
Check the C.G. Before flying.

Warning!

A057PO29971404

LINKAGE CONNECTOR

HW7111050 & HW7111060

After fastening the round nut, make sure that
the linkage connector can rotate freely.

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.

Shoulder

Tighten up the round nut
against the shoulder. Apply
CA or permanent thread
locker.

A057PO29971404

Product Registration Form (US Customers)

We would like to share with you any relevant information regarding your model, including
product news and free upgrade parts when applicable. Please fill in the following and send to
AirBorne Models, 4749-K, Bennett Drive, Livermore, CA 94551 USA.

1. Name:______________________________________________

2. Address:____________________________________________

3. Phone #:____________________ E-mail:__________________

4. Model:______________________________________________
Wing QC#__________ Fuselage QC# _______________________

(QC numbers are stamped on wing and fuselage)

5. Date of Purchase:_____________________________________

6. Store Name: _________________________________________

Please call AirBorne Models a t 925 371 0922 for any assistanc e in filling this form.

Thank y ou very much for pur chasing our pro duct.

A057PO29971404

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.

1 2

3 4

A057PO29971404

Fuel Filter

Code No.

Size

Package

Code No.

Size

Package

Code No.

Size

Package

Code No.

Size

Package

Code No.

Size

Package

Code No.

Size

Package

Code No SV4031

KP0041300

Special tool for clevis installation.
Suitable for standard and small
(EP)clevis.

Large Clevis

Small Clevis

180mm Extension

A057PO29971404

Code No.

Size

Package

PT1113040 D4xd2mm 1m(Transparent)
PT1113060 D6xd2.5mm 1m(Transparent blue)
PT1113082 D6xd3.2mm 1m(Red)

Silicon Tubes

Package

Code No.

Size

HW7120100 1 pc

Fuel Filter

Package

Code No.

Size

WF9112400 41-72x28x46.5cm 1 set

Wooden Field Stand (Painted)

Package

Code No.

Size

WCR572032 57-92x20x32mm
WCC572032 57-92x20x32mm

1 set
1 set

Wooden Field Box

1 pr

Package

Code No.

Size

MS6120040 D40-90mm (wheel)

Adjustable Wheel Chock

AT3001052 D260x900mm 1 pc

Code No. AT3001052

Size

Package

Wind sock

Package

1 set

Code No.

Size

MS9111500 200x115mm

Detachable Transmitter Stand

Package

Code No.

Size

PB2000618 210x115x35mm 1 set

Accessories Box with assorted
screws and hardwares

WCR572032
(Red)

WCC572032

(Cadmium Yellow)

(transparent blue) (red) (transparent)

A057PO29971404

A057PO29971404