F - 4u Corsair

Specification:Length :1470 mm(57.9")Wing Span :1885 mm(74.2")Wing Area :62.13 sq. dm 6.7 sq. ftWing Loading :107.8 g/sq. dm 35.3 oz/sq. ftFlying Weight :6.7 kg(14.7 lbs)Radio :6ch&8 servosEngine :120 4-cycle

SAFETY PRECAUTIONS

INSTRUCTION MANUAL

First-time builders should seek advice from people having building experience.If misused or abused,it can cause serious bodily injury and damage to property.Fly only in open areas and preferably at a dedicated R/C flying site.We suggest having a qualified instructor carefully inspect your airplane before its first flight.Please carefully read and follow all instructions included with this airplane,your radio control system and any other components purchased separately.

(The people under 18 years old is forbidden from flying this model)This R/C airplane is not a toy!

ELEVATOR

Side View

20mm

20mm

Top view

Position forright diagram.

Never fly before checking CG’s required position.In order to obtain the CG specified reposition the receiver and battery.

130mm

Air tank

Switch

Air inlet

3-waypressure inlet

3-waypressure inlet

3-waypressure inlet

The status when thegear up

Pull out length of 8mm to make gear down

Air valve Air valve

Make sure to assemble retracts as instructed below.

Two wheel retract system

Quick release connector Quick release connector

Pressure reduction inlet

Strut Strut

3-way pressure inlet 3

Pressure reduction inlet 1

1Air tank

1Air inlet

2 11Air line (3000mm)

2Quick release connector

Strut ( 90 ) Switch

Clevis

Rod (2X300mm)

1

1

1

Retainer

TP Screw(2x14mm) 2

Ø1.7mm

Ø0.2mm

Pleas notice the inner diameter for each side of the pressure reduction inlet.

Please insure the sealing of the retract system before flight .

Adjustment. The centre of the Gravity.72 73

14

: 120 - 4cycle

15"x7Spinner nut

6

(with 8 servos),6

6

6 channel radio for aiplane is highly recommended for this model.

WarningRemove the covering with proper pressure to cut through only the covering itself.Otherwise,cutting down into the balsa structure may weaken the model part and cause accident.

The pre-covered film on ARF kits may wrinkle due to variations of temperature.Smooth out as explained right.

Apply epoxy glue.

Pre-cover the covering with clean cloth!Start at low setting. Increase the setting ifnecessary.If it is too high,you may damagethe film.

Iow settingwith cover(cloth)

Right view Side View

30mm

30mm

RUDDER

25mm25mm

AILERONSide View

40mm

FLAP

AILERON FLAP

TP Screw (2.3x12mm)

Wooden Block

TP Screw (2.6x14mm)

Collar (5mm)

Wooden supporter

7TP Screw (2.3x6mm)Ply (15x15x6mm) 7

Wooden Block(43x28x26mm)

1Gear door

2

4Collar (5mm)

Wheel (100mm)

Landing gear2182

TP Screw (3x20mm )Landing gear straps

(5mm)

4TP Screw (2.6x14mm)2Wooden Block(25x15x13mm)

1.5mm

Epoxy the fixed landing gear to the main wing.

Adjustment.

Adjustment.Install the wheel to the fixed landing gear.

Epoxy plies under the canopy and assemble the canopy to fuselage with screw.

13

71

69

70

67

68

Accessory list for the coming installation steps.

6Pin hinge(24x24mm)

Make sure hinges are mounted in the same line.

1mm

Aileron

Tailing edge

Make sure they are inthe right position whileinstalling.

Securely glue together. If coming off during flights, you 'lllose control of your airplane which leads to accidents!

8

6

22

2

4

2

2

2

2

Clevis

Rod (2x300mm) Retainer

TP Screw (2.3x12mm)

Wooden Block(20x20x8mm)Servo tray(68.5x56.5x2mm)

Pin hinge(24x24mm)

Screw (3x35mm)

Washer(3x15mm)

2Washer(3x15mm)Lock Nut (3mm )

Clevis

Retainer Rod (2x300mm)

Screw (2x10mm)

Main wing joiner 24Wood dowel (6x30mm)

1Rib template (2mm ply)

Install the nylon control horn and connect the linkage.

Install the servo as the illustration below.

Assemble the aileron to main wing with instant type CA glue.

Keep some space about 1mm width between aileron and trailing edge.

Accessory list for the coming installation steps.

Apply instant type CA glue to aileron and pin hinge.1

2

3

4

5

1

150mm

TP Screw (3x20mm)

4

4WssherTP (3x6mm)

Collar

7TP Screw (2.3x12mm)

4

4

TP Screw (2.3x20mm)

7TP Screw (2.3x6mm)6Canopy

Ply (15x15x3mm) 14

7TP Screw (2.3x6mm)Ply (15x15x3mm)

7

Wooden form15

TP Screw (2.3x12mm)

Washer (3x6mm)

open a hole on the covering for ensuring assemble and demount the covering easily.

Collar (3mm) 21Tail wheel (45mm)

1.8mm

Epoxy the wooden form to appropriate in the cowling.

Trim the cowling and canopy along the shaded line.

Assemble the tail wheel to tail landing gear. Drill jholes to appropiate position in the wooden from.

Epoxy the plies to appropriate position under the tail landing gear covering and assemble the tail landing gear covering to thefuselage as below.

12

65

64

66

62

63

Accessory list for the coming installation steps.

Add a rubber ring to theclevis for insuring safety

Throttle servo

Elevator servo

Rudder servo

switch servo

Air tank

Mount the receiver and the battery in the fuselage.

Install the servo of switch in the fuselage.

Install the servo of swith.

The sketch map when the servos install completion.

Assemble the elevator servo to appropriate position in the fuselage.

The sketch map of the servo wire in the fuselage.

11

61

5956

57

58

60

TP Screw (2.3x12mm)

Securely glue together. If coming off during flights, you 'lllose control of your airplane which leads to accidents!

A A"A = A"

Main wing joiner2

Clevis

Rod (2x300mm) Retainer

8

2

22

Metal wire (1.7x210mm) 2 Metal wire (1.7x220mm) 2

2

TP Screw (2.3x12mm)

48

48

TP Screw (2x10mm)

4Wooden Block(20x20x8mm)2Servo tray(72x58x2mm)

12Ply(20x16x2mm)

Hatch hinge 12

Clevis

Retainer

Rod (2x300mm)

125mm

30mm

Add a rubber ring to theclevis for insuring safety

Copper joiner

155º

Copper joiner

Washer (2x5mm)

3mm

1.5mmRod (2x300mm)

Clevis

Washer(3x15mm)

Washer

Lock Nut (3mm )

Screw (3x35mm)

Screw (2x10mm) Ply (15x15x2mm) 12

4Wood dowel (6x30mm)

1Rib template (2mm ply)

6mm6mm

Rib template (2mm ply)

Rib template (2mm ply)

Install the nylon control horn and connect the linkage.

Install the servo as the illustration below.

Secure the servo.Install the nylon control horn and connect the linkage.

Epoxy the wing to mid wing steadily.

Accessory list for the coming installation steps.

According to the rib template drill holes in the wings andmid wing and epoxy wood dowel in the wing holes.

6

7

8

9

2

10

Securely glue together. If coming off during flights, you 'lllose control of your airplane which leads to accidents!

TP Screw (2x10mm)

TP Screw (2.3x12mm)

Drill proper size holes at revelant position for ensuring the linkage rod go smoothly through it !

72mm

Metal wire

metal wire

2Metal wire (1.7x210mm)

Metal wire (1.7x220mm)

Metal wire (1.7x210mm)

2Metal wire (1.7x220mm)

86mm57mm96mm

43mm31mm

74mm

Add a rubber ring to the clevis for insuring safety

104mm

The teo sides of hatch hinges should be on the same level

4848

TP Screw (2x10mm)

Washer (2x5mm)

Washer (2x5mm)

60mm

40mm

150º

172º

3mm

1.5mm

1.5mm

1.5mm

Ply (15x15x2mm)12

Ply (20x16x2mm)12

Drill proper size holes at revelant position for ensuring the linkage rod go smoothly through it

Pleas notice the position before assemble each hatch hinges.

Cut the covering off from appropriate position and epoxy the plies in them.

Insert steel wire to inner and outer flaps for connection.

Assemble the flap to the main wing with TP screw.

Secure the servo.Install the nylon control horn and connect the linkage.

3

16

15

1411

12

13

Linkage Stopper

Washer (2mm)

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (2mm)

Set screw (3x4mm)

1

1

1

1

2

22

ClevisCopper joiner

Aluminum tube(3x6mm)

22

Screw (2x10mm) Nut (2mm )

2Washer(2x5mm)

Stee l w i re

Copper joinerAluminum tubeLock Nut (2mm )

Screw (2x10mm)

Ball joint

Washer(2x5mm)

2

22

ClevisCopper joiner

Aluminum tube(3x6mm)

22

Screw (2x10mm) Nut (2mm )

2Washer(2x5mm)

Stee l w i re

Copper joinerAluminum tubeLock Nut (2mm )

Screw (2x10mm)

Ball joint

Washer(2x5mm)

Install the rudder servo.

Install the elevator servo.Install the throttle servo to appropriate position in the fuselage.

Assemble the rudder servo to appropriate position in the fuselage.

Install the switch and the throttle servo

Drill a smallhole in appropriate position for throttle.

10

55

54

5350

51

52

A A’

B B’B = B 'A = A '

2Wood dowel (6x50mm)

22Blind Nut (6mm)

Screw (6x50mm)

1Gear door2Wheel (100mm)

2LockNut (4mm)

4Bushing (8X4mm)

6Ply(9mm)

22Ply(3mm)

TP Screw (3x20mm)

TP Screw (2.3x8mm)

Retracts strut

LockNut(4mm) Bushing (8X4mm)

Spring

2Ply(3mm)

Pleas clear the appropiate position before epoxy theplies in it.

Bushing (8X4mm)

Screw (2x10mm)

TP Screw (2.x10mm)

Pin hinge(36x20x1mm)

Pin hinge

8mm

Note:rubber wheels oleo struts and retracts are optional.

Nut(2mm)

4Nut (2mm )12Washer(2x5mm)

Washer(2x5mm)

4Screw (2x10mm)

55mm

50mmCenter line

1.5mm

8TP Screw (3x20mm)4TP Screw (2x10mm)

2Spring（3X20mm）

Assemble the gear doors and the wheels to the retracts.

Assemble the the retract.Accessory list for the coming installation steps.

Epoxy the pliies to appropriate position for assemblingthe retracts

Assembly of the main wings

Drill two holes for pulling out the servo extension line.

4

21

20

1917

18Set Screw (3x4mm)

Set Screw (2mm)

Rod (2x400mm)

Set Screw (2mm)

Washer (2mm)

Linkage Stopper1

1

1

1

1

4

4

Washer (4x8mm)4

Rod (2x400mm)

Blind Nut (4mm)

Screw (4x25mm)

Set Screw (3x4mm)

Fuel supply line

Fuel spray lineAir pressure line

4Blind Nut (4mm)

Washer (4x8mm)Nut (4mm)

Spring Washer (4mm)

Washer (4x8mm)Screw (4x35mm)

Washer (4x8mm)Screw (4x25mm)

5.2mm

Blind Nut

4mm

Epoxy the fuel tank in the fuselage.Assemble the throttle linkage.

The sketch map when the engine install completion.

Assembly of the fuel tank.

Drill four holes at the diameters as shown for engine mount.

Assemble the engine.

9

49

48

4744

45

46

80 mm

24 mm

2Wood dowel (6x50mm)

24 mm80 mm

2

2Blind Nut (6mm)

Screw(6x50mm)

1Stab joiner (16x280mm)

4

4

22

Pin hinge(24x24mm)Pin hinge(2.5x48mm)

Steel wire (0.5x3000mm)

11

U-style wire (3mm)

Nose arm

Nose arm1

4

Tail landing gear(3mm)

Tail landing gear

Collar (3mm)

Collar

Ply (6mm)214

Ply (6mm)1

Washer (3X6mm)4

4

Screw (3x15mm)

Screw (3x6mm)

Collar

13mm

Blind Nut (3mm)

Blind Nut (3mm)

4Screw (3X15mm)

Screw (3x15mm) Washer(3x6mm)6mm

6.2mm

Blind Nut

4Matal douel (4x30mm)

1Rib template (3mm ply)

Drill two holes to the appropriate in the middle wing and mount the dowels in them .

Drill two holes to relevant position in the fuselage

Mount the wings to the fuselage with screw .

Accessory list for the coming installation steps.

Assemble the tail landing gear to the wheel steeling mounts as below.

Fix the nose arm to the ply with TP screw as below.

5

26

25

22

24

23

C C’

D D’

Make sure to glue securely.If not properly glued, a failure in flight may occur.

Temporarily fasten down the main wing and check its correct position.

Securely glue together.If coming off during flights,you'll lose control of your airplane which leads to accidents!

C = C 'D = D '

4Blind Nut (4mm)

Engine mount (68x105mm)Linkage Stopper

44

12

4

Washer(4x8mm)

Screw (4x35mm)

Spring Washer (4mm) Nut (4mm)

2

4Screw (4x25mm)

2

Fuel tank (550cc) 12Clevis

In case of 2-cycle & 4-cycle engine.

155 mm

444

ClevisCopper joiner

Aluminum tube(3x6mm)44

Screw (2x10mm) Nut (2mm )

2x7mm2x7mm

3mm

Securely glue together. If coming off during flights, you 'lllose control of your airplane which leads to accidents!

4Washer(2x5mm)

Assembly of the stabilizer. The side view when the engine install completion.

The front view of the engine install completion.

Drill holes to appropriate position in the stabilizer andepoxy it to the fuselahe as below.

Glue the elevator to the stabilizer by CA and epoxy.

8

43

4240

39

41

Accessory list for the coming installation steps.

4Pin hinge(24x24mm)

Make sure hinges are mounted in the same line.

35mm

Before After

90º

48mm

85mm

2Pin hinge(2.5x48mm)

Using rubber tubu coverthe middle of the hingesbefore installation in casethe epoxy glue get into.

Make sure hinges are mounted in the same line.

1mm

Rudder

Vertical fin

Cut away the rubber tube whenthe epoxy glue dried.

Make sure they are inthe right position whileinstalling.

3mm

2.5mm

Drill holes to appropriate position in the rudder and epoxy the ping hinges in them.

Bend the gear steel wire as below.

Epoxy the ply to appropriate position inside the tail of fuselage

Apply instant type CA glue to aileron and pin hinge.

Drill holes to the relevant position in the tailing edge and epoxy the rudder to them.

Keep some space about 1mm width between the vertical fin and rudder.

6

32

31

3027

29

28

Elevator

1mm

Tailing edge

Make sure they are inthe right position whileinstalling.

2

1

Steel wire (0.5x3000mm)

Steel wire (0.5x3000mm)

U-style wire (3mm)

4mm

4mm

4Wood dowel (4x30mm)

1Rib template (3mm ply)

The sketh map of the steel wires in the fuselage

Set the U-style wire through the tail of fuselage as below.

connect the fullarm for elevator with steel wire as below.

Keep some space about 1mm width between the elevator and horizontal tail edge.

Drill two holes at the stabilizer root base on rib templateand epexy the metal dowel in them.

A ccording to thr rib template drill holes to the tail of fuselage as below.

7

38

37

3633

35

34