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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 & 6servos

Engine:            4-cycle 52-70

                       2-cycle 40-52

Motors:            4250 510KV

ESC:               60A

Battery:           6S 2200MAH 20C

Propeller:        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.

25mm

25mm

AILERON

Side View 

30mm

FLAP

AILERON

AILERON

Right view

Side View 

30mm

30mm

RUDDER

ELEVATOR

Side View 

25mm

25mm

Top view

Position for

right diagram.

96mm

71

72

75

73

74

14

Summary of Contents for PC - 21

Page 1: ...alified 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 T...

Page 2: ...e film Iow setting with cover cloth Motor controller 60A Motor KV 600rpm v Engine 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 x7 2 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 land...

Page 3: ...tant 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 5 TP 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 ...

Page 4: ...uts and retracts are optional Assemble the gear doors and the wheels to the retracts 2 Screw 4x35mm 1 Gear door 2 Wheel 75mm 2 LockNut 4mm 2 PVC 1 Reinforcement plate 4 Wooden Block 25x15x13mm 1 PVC Main wing joiner 1 TP Screw 3x20mm 8 2 Washer 4x8mm Accessory list for the coming installation steps Cut off the surplus PVC part carefully along the shaded line 6 7 9 8 2 10 Fix the motor mount box to...

Page 5: ...Washer 2x6mm Screw 2x10mm 1 1 Clevis 1 Control horn 1 Rod 1 7x800mm 1 U style wire 3x130mm Linkage Stopper 1 Accessory list for the coming installation steps 1 Nut 2mm 3 14 11 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...

Page 6: ...he 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 19 16 18 17 5 2mm Blind Nut Set Screw 3x4mm Set Screw 2mm Rod 2x200mm Set Screw 2mm Washer 2mm Linkage Stopper 1 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 ...

Page 7: ... 1 Nut 2mm 5 26 25 22 24 23 2 Steel wire 0 5x900mm Assemble the steeling fullarm around the landing gear 2 2 2 Clevis Copper joiner Aluminum tube 2 2 Screw 2x10mm Nut 2mm 2 Washer 2x6mm Steel wire Copper joiner Aluminum tube Lock 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...

Page 8: ...y 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 1 Wheel 65 mm 1 Steering fullarm 50x6mm 2 Washer 3x6mm 2 Screw 3x10mm 1 Aluminum shaft 5x30mm Steering fullarm 50x6mm Washer...

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