PC - 21

Specification:Length: 1624mm(64〞)Wing span: 1397mm(55〞)Wing area: 34.6sq.dm (3.72sq.ft)Wing loading: 89.6g/sq.dm(29.4oz/sq.ft)Flying weight: 3.1kg(6.8lbs)Radio: 6ch & 6servosEngine: 4-cycle 52-70 2-cycle 40-52Motors: 4250 510KVESC: 60ABattery: 6S 2200MAH 20CPropeller: 14*7

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!

Centre of the Gravity.Adjustment of the rudder, be sure it can work perfectly.

The side view once the model plane assemble completely.

Adjustment of the elevator,be sure it can work perfectly.Adjustment of the aileron and flap,be sure they can work perfectly.

25mm25mm

AILERONSide View

30mm

FLAP

AILERON AILERON

Right view Side View

30mm

30mm

RUDDER

ELEVATOR

Side View

25mm

25mm

Top view

Position forright diagram.

96mm

71

72

75

73

74

14

4

(with 5 servos),4

4

4 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.

Li-Pox4 (2200mAh)

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)

Motor controller:60AMotor (KV): 600rpm/vEngine dimension: 42x50mm

Apply epoxy glue.

4-cycle 52-70.

We strongly recommend you use the thread lock for all the screws when you build your model.

14"x72 in Spinner

Epoxy the fixed landing gear to the main wing. Install the nose landing gear servo.

Assemble the nose landing gear to the front gear mount. Assemble the nose landing gear servo to the fuselage.

The sketch map once the model plane assemble completely.Fix the nose landing gear to fuselage via TP screws.

Collar (4mm)

Collar (4mm)

Collar (4mm)

Linkage Stopper

4TP Screw (3x12mm)

Linkage Stopper

Washer (2mm)

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (2mm)

Set screw (3x4mm)

1

1

1

1

13

70

66

6865

67

79

6Pin hinge(24x24mm)

Make sure hinges are mounted in the same line.

1mm

Aileron

Trailing 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!

2Collar (2mm)

2

2

2

Screw (2x10mm)

Nut (2mm )

2Washer(2x5mm)

2Clevis

Servo tray(70x58x2mm)

Control horn

8

6

2

2

Rod (2x300mm) TP Screw (2.3x12mm)

Pin hinge(24x24mm)

Nut

Washer 2x6mm

Screw 2x10mm

Collar

Install the nylon control horn and connect the linkage.

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. Install the aileron servo to the servo mount as illustration below.1

2

3

4

5

1

Trim the cowling along the shaded line.

Epoxy the exhaust to the cowling from lnner.

1.5mm

5TP Screw (2.3x8mm)

Ply (15x15x3mm) 5

TP Screw (2.3x8mm)

Epoxy the plies under the cowing in fuselage and assemble the cowing to fuselage with TP screw.

TP Screw (2.3x12mm)

Wooden Block

TP Screw (2.3x12mm)

Collar (4mm)

Collar (4mm)

Wooden supporter

Install the wheel to the fixed landing gear.

Wooden Block

2

8Collar (4mm)

Wheel (75mm)

Wooden supporter

Landing gear(4mm)

2

1

4

4

TP Screw (3x12mm )

Landing gear straps

1Plastic mount

4

2Landing gear (4mm)

1Wheel (65mm)

16TP Screw (2.3x12mm)

2Gear door

16TP Screw (2.3x12mm) Landing gear straps 4

Collar 4mm 4

Linkage Stopper 21Rod (2x400mm)

Mount the receiver and the battery in the fuselage.

12

63

62 64

60

61 Accessory list for the coming installation steps.

Apply instant type AB glue to the control horn and the slots in the aileron, insert the control horn to the slots as illustration.

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!

A = A 'B = B '

The standard sketch map when the kit install completion.

A A=A’B=B’

A’

B B’

Cut away the film on the position for the air retract landing and epoxy the wheel house to relevant position.

Retracts strut

LockNut(4mm)

Wooden Block

Note:rubber wheels oleo struts and retracts are optional.

Assemble the gear doors and the wheels to the retracts.

2Screw (4x35mm)

1Gear door2Wheel (75mm)

2LockNut (4mm)

2PVC

1Reinforcement plate

4Wooden Block(25x15x13mm)

1PVC

Main wing joiner 1

TP Screw(3x20mm) 8

2Washer(4x8mm)

Accessory list for the coming installation steps.

Cut off the surplus PVC part carefully along the shaded line6

7

9

8

2

10

Fix the motor mount box to the fuselage with screws.

Washer (4x8mm)Screw (4x20mm)

Washer (4x8mm)

Screw (4x20mm)

Assemble the motor as below. Epoxy the interior cockpit to the canopy.

Assemble the canopy to the fuselage with screws.Assemble the Li-Po battery to appropriate position in the fuselage.

Li-Pox4 (2000mAh)

2Washer (3x6mm)

2Screw (3x16mm)

5TP Screw (2.3x8mm)Ply (15x15x3mm) 5

2Exhaust

2Washer (3x6mm)2Screw (3x16mm)

Accessory list for the coming installation steps.

11

59

55

56

57

58

TP Screw (3x20mm)

3mm

TP Screw(3x20mm)8

Assemble the retract

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

Epoxy the main wing hardly together with wing joiner.

Main wing joiner 1

Center line

145m

m

20mm

Drill holes for pulling out the servo extension line.

4mm

2Screw(4x35mm)

Reinforcement Plate 1

2Washer(4x8mm)

Mount the wings to the fuselage with screw .

Epoxy the belly pants to the main wing as illustration.

4Pin hinge(24x24mm)

1Washer(2x6mm)

Screw (2x10mm) 1

1Clevis 1

Control horn 1

Rod (1.7x800mm)

1U-style wire(3x130mm) Linkage Stopper 1

Accessory list for the coming installation steps.

1Nut (2mm )

3

1411

12 15

13

Linkage Stopper

Washer (2mm)

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (2mm)

Set screw (3x4mm)

1

1

1

1

Install the servo of the throttle.

Assemble the servo in the fuselage.

Mount the receiver and the battery to appropriate position in the fuselage.

The consumers can also use motors for this plane.please find the assemble steps below.The front view when the motor install completion.

motor dimension O 42x50mm

The side view when the motor install completion.

110mm

Drill four holes in appropriate position.

4mm

10

54

53

52

50

51

49

4Pin hinge(24x24mm)

Make sure hinges are mounted in the same line.

3mm

Apply instant type CA glue to the elevator and trim a slot in appropriate position in the elevator as illustration.

Elevator

1mm

Trailing edge

Make sure they are inthe right position whileinstalling.

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

Glue the stabilizer to to fuselage.

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

Glue the elevator to the stabilizer by CA and epoxy.

The sketch map of the guide fiber tubes in the fuselage.

Glue the control horn to the slots in the elevator.

Elevator

Rudder

Side view

Top view

Rudder

4

21

20

1916

18

17

5.2mm

Blind Nut

Set Screw (3x4mm)

Set Screw (2mm)

Rod (2x200mm)

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)

Assemble the throttle linkage.

Assemble the engine.

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

Washer (4x8mm)

Washer (4x8mm)

Screw (4x35mm)

Screw (4x20mm)Nut (4mm)Spring Washer (4mm)

4mm

Washer (4x8mm)

Fuel supply line

Fuel spray lineAir pressure line

Assembly of the fuel tank.

The sketch map when the engine install completion.

Fix the fuel tank to appropriate position in the fuselage with cable tie.

cable tie 2

9

48

47

46

44

45

43

Screw (2x10mm)

Nut (2mm)

Washer (2x6mm)

Rod (2x800mm)

Linkage Stopper

Washer (2mm)

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (2mm)

Set screw (3x4mm)

1

1

1

1

Install the servo of the elevator

Assemble the elevator servo in the fuselage.

Lock the linkage to the control horn with screws and nuts as below.

Epoxy the fairing sheet to the slots in the fuselage as illustration.

2Pin hinge(24x24mm)

1Washer(2x6mm)

Screw (2x10mm) 1

1Clevis 1

Control horn 1

Rod (1.7x700mm)

Linkage Stopper 1

Accessory list for the coming installation steps.

Epoxy the vertical fin to the fuselage steadily.

1Nut (2mm )

5

26

2522

24

232

Steel wire (0.5x900mm)

Assemble the steeling fullarm around the landing gear.

2

22

ClevisCopper joinerAluminum tube

22

Screw (2x10mm) Nut (2mm )

2Washer(2x6mm)

Stee l w i re

Copper joinerAluminum tubeLock Nut (2mm )

Screw (2x10mm)

Clevis

Washer(2x6mm)

Install the servo for the nose gear.

Assemble the nose gear servo to the relevant position in the fuselage.

110mm

The front view of the engine install completion.

The side view of the engine install completion.

4Blind Nut (4mm)

1Engine mount (52x86mm)

Linkage Stopper4

420

4

Washer(4x8mm)

Screw (4x35mm)

Spring Washer (4mm) Nut (4mm)

2

12Screw (4x20mm)

2

Plastic tube (2x400mm)

1Rod (2x200mm)Fuel tank (260cc) 1

Motor mount box 1

Cable tie2

Accessory list for the coming installation steps.

8

41

38

40 42

39

2Pin hinge(24x24mm)

Make sure hinges are mounted in the same line.

Apply instant type CA glue to aileron and pin hinge. Epoxy the control horns to the slots in the rudder.

Lock the linkage to the control horn with screws and nuts as below.

rudder

1mm

Trailing edge

Make sure they are inthe right position whileinstalling.

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

Epoxy the rudder to the vertical fin.

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

Rod (2x300mm)

Screw (2x10mm)

Nut (2mm)Washer (2x6mm)

Linkage Stopper

Washer (2mm)

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (2mm)

Set screw (3x4mm)

1

1

1

1

Install the servo of rudder.

6

32

31

3027

29

28

ElevatorRudder

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!

The standard sketch map when the kit install completion.

A A ’

A = A ’B = B ’B B ’

Collar (5mm)2

1Wheel (65 mm)1Steering fullarm (50x6mm)

2Washer(3x6mm)

2Screw (3x10mm)

1Aluminum shaft(5x30mm)

Steering fullarm (50x6mm)

Washer(3x6mm)

Screw (3x10mm)

Aluminum shaft(5x30mm)

collar (5mm)

collar (5mm) Wheel (65 mm)

Aluminum shaft

Screw (3x10mm)

Screw (3x10mm)

Washer(3x6mm)

Washer(3x6mm)

Steering fullarm (50x6mm)

Assemble the nose wheel.

3mm

4TP Screw (3x20mm) TP Screw (3x20mm)

Install the nose landing gear to appropriate position in the fuselage.

2Washer(2x6mm)

Screw (2x10mm) 2 Collar (5mm) 2

1

2

Wheel (65mm)

2

4

Clevis

2Copper joiner

2Aluminum tube

1

21

Steel wire (0.5x900mm)

TP Screw (3x20mm)

2

2Nut (2mm )

Accessory list for the coming installation steps.Assemble the rudder servo in the fuselage.

Epoxy the fairing parts to the slots in the fuselage.

7

36

33

35

34

37