P-51B Mustang
Specification:
Length :1583 mm(62.3")
Wing Span :1800 mm(71")
Wing Area :56.7 sq. dm
6.11 sq. ft
Wing Loading :100.5 g/sq. dm
33 oz/sq. ft
Flying Weight :5.7 kg(11.46 lbs)
Radio :6ch&8 servos
Engine :108 2-cycle
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!
: 4-cycle .120
15"X7
Spinner nut
6
(with 8 servos),
6
6
6 channel radio for aiplane is highly recommended for this model.
Warning
Remove 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.
Pre-cover the covering with clean cloth!
Start at low setting. Increase the setting if
necessary.If it is too high,you may damage
the film.
Iow setting
with cover(cloth)
8
6
2
2
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)
6
Pin hinge(24x24mm)
Make sure hinges are
mounted in the same line.
1mm
Aileron
Tailing
edge
Make sure they are in
the right position while
installing.
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Screw (3x35mm)
Washer(3x15mm)
2
Washer(3x15mm)
Lock Nut (3mm )
Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
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
Air tank
Switch
Air inlet
3-way
pressure inlet
3-way
pressure inlet
3-way
pressure inlet
The status when the
gear 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
1
Air tank
1
Air inlet
2
1
1
Air line (3000mm)
2
Quick 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 .
8
2
4
2
6
Rod (2x300mm)
TP Screw (2.3x12mm)
Wooden Block(20x20x8mm)
Servo tray(68.5x56.5x2mm)
Pin hinge(36x20x1mm)
6
Pin hinge (36x20x1mm)
Make sure hinges are
mounted in the same line.
Securely glue together. If coming off during flighs, you 'll
lose control of your airplane which leads to accidents!
2
Screw (3x45mm)
2
2
Clevis
Retainer
2
2
Washer(3x15mm)
Lock Nut (3mm )
TP Screw (2.3x12mm)
2
Washer
1.5mm
3mm
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
Flap
1mm
Make sure they are in
the right position while
installing.
Trailing
edge
Screw (2x10mm)
Keep some space about 1mm width between trailing
edge and flap.
Secure the servo.Install the nylon control horn and
connect the linkage.
Epoxy the pin hinges to the flap.
Epoxy the flap and the retract strut covering part to
appropriate position in the main wing as below.Be careful to
ensure the moving parts of the hinges are able to move freely.
Install the servo as the illustration below.
6
9
8
2
10
7
Accessory list for the coming installation steps.
Top view
Position for
right diagram.
ELEVATOR
Side View
25mm
25mm
Top view
Side View
25mm
25mm
RUDDER
157mm
20mm
20mm
AILERON
FLAP
Side View
FLAP
AILERON
20mm
20mm
Adjustment.
Adjustment.
The centre of the Gravity.
Adjustment.
Epoxy the wheels to the wings steadily.
79
81
78
80
15
77
TP Screw (3x20mm)
Wooden Block
TP Screw (2.6x14mm)
Collar (5mm)
Wooden supporter
Collar (5mm)
Washer (3x6mm)
Wooden Block(43x28x26mm)
1
Gear door
2
4
Collar (5mm)
Wheel (100mm)
Landing gear(5mm)
2
1
8
2
TP Screw (3x20mm )
Landing gear straps
4
TP Screw (2.6x14mm)
Washer (3x6mm)
8
4
Wooden Block(25x15x13mm)
5mm
5mm
4
Plastic tube(5x30mm)
5mm
5mm
Assemble the main wheels as below.
Drill two holes to the relevant position in the airplane
for assembling the drop tank.
Epoxy the drop tank to the bottom cover.
Epoxy the too parts of the drop tank together.
Drill holes in the bulges position and epoxy the plastic
tubes in them.
14
72
73
74
75
76
Accessory list for the coming installation steps.
8
TP Screw (2.3x12mm)
TP Screw (2.3x12mm)
A
B
A’
B’
A=A’
B=B’
2
Wood dowel (6x50mm)
2
Wood dowel (6x30mm)
2
2
Blind Nut (6mm)
Screw (6x50mm)
1
Gear door
2
Wheel (100mm)
2
LockNut (4mm)
2
PVC
2
Bushing (8X4mm)
1
Reinforcement plate
4
Wooden Block(25x15x13mm)
Cut off the surplus PVC part carefully along the shaded
line
Cut away the film on the position for the air retract
landing and epoxy the wheel house to relevant position.
1.5mm
3mm
Clevis
Retainer
Rod (2x300mm)
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
Screw (2x10mm)
Screw (2x10mm)
1
Rib template (2mm ply)
Install the nylon control horn and connect the linkage.
Secure the servo.Install the nylon control horn and
connect the linkage.
Assembly of the main wings.
Accessory list for the coming installation steps.
3
14
13
11
12
15
Retracts strut
LockNut(4mm)
Wooden Block
Bushing (8x4mm)
TP Screw (3x20mm)
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
18mm
110mm
Center
line
100mm
Note:rubber wheels oleo struts
and retracts are optional.
6mm
2
Wood dowel (6x30mm)
1
Rib template (2mm ply)
Rib template (2mm ply)
According to the rib template drill holes in one wing and
epoxy wood dowel in them.
6mm
Rib template (2mm ply)
Joint the main wing togeter tightly .
Assemble the gear doors and the wheels to the retracts.
Drill holes for pulling out the servo extension line.
Assemble the retract
According to the rib template drill holes to another
main wing.
Main wing joiner
1
4
21
20
19
16
18
17
8
TP Screw (2.3x8mm)
8
1.5mm
4
Ply (15x15x3mm)
Ply (20x20x6mm)
Bulge point
1.5mm
10
TP Screw (2.3x8mm)
10
Ply (15x15x3mm)
TP Screw (2.3x8mm)
Cut off the surplus portion from the canopy carefully.
Assemble the canopy to the canopy mount with screw.
Epoxy the exhaust to the cowling from inner of the cowing.
Trim the cowling for engine and muffler
Epoxy plies appropriate position inside the
fuselage as below and assemble the cowling.
Epoxy the plies to the bulges.
67
66
69
70
68
13
71
Collar
Tail landing gear
Collar
Assemble the tail landing gear to the wheel steeling
mounts as below.
16
TP Screw (2.3x8mm)
17
2
Pvc part
4
Plastic tube(5x30mm)
2
Drop tank
TP Screw (2.3x12mm)
8
TP Screw (2.3x12mm)
3mm
18mm
Retainer
1
Canopy
Rod (2x300mm)
Clevis
2.0mm
TP Screw(3x20mm)
Washer (3x6mm)
4
4
4
8
Ply (15x15x3mm)
1.5mm
Ply (15x15x3mm)
Ply (15x15x3mm)
The sketch map when the tail landing gear be
installed to the fuselage.
Connect the nose arm to the horn in the rudder.
Assemble the tail landing gear covering.to the
fuselage as below.
Assemble the wheel steeling mounts to appropriate
position.
62
63
61
65
64
12
Accessory list for the coming installation steps.
80 mm
2
Wood dowel (6x50mm)
2
2
Blind Nut (6mm)
Screw(6x50mm)
3
Pin hinge(2.5x48mm)
Using rubber tubu cover
the middle of the hinges
before installation in case
the epoxy glue get into.
Make sure hinges are
mounted in the same line.
1
Stab joiner (12x250mm)
6
3
2
Pin hinge(24x24mm)
Pin hinge(2.5x48mm)
Steel wire (0.5x3000mm)
1
U-style wire (3mm)
12 mm
12 mm
80 mm
16mm
64mm
78mm
90mm
6mm
2.5mm
4
Wood dowel (4x30mm)
1
Rib template (3mm ply)
6.2mm
Blind Nut
Drill holes to appropriate position in the rudder and
epoxy the ping hinges in them
Drill holes to appropiate position in the wings and
epoxy wood dowels in them
Drill holes to relevant position in the fuselage
Mount the wings to the fuselage with screw .
Accessory list for the coming installation steps.
Epoxy the belly pants to main wing and drill holes to
relevant position on the belly pants
5
26
25
22
24
23
Elevator
1mm
Tailing
edge
Make sure they are in
the right position while
installing.
2
1
Steel wire (0.5x3000mm)
Steel wire (0.5x3000mm)
U-style wire (3mm)
Rudder
Vertical
fin
Cut away the rubber tube when
the epoxy glue dried.
1mm
Make sure they are in
the right position while
installing.
2.5mm
Make sure hinges are
mounted in the same line.
4mm
1
Rib template (3mm ply)
6
Pin hinge(24x24mm)
keep some space 1mm width between the vertical fin
and rudder
connect the fullarm for elevator with steel wire as
below.
Keep some space about 1mm width between the
elevator and horizontal tail edge.
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.
According to the rib template drill holes in the
stabilizer root.
6
32
31
30
27
29
28
1
Nose arm(3mm)
Collar (3mm)
2
1
1
Tail landing gear(3mm)
Tail wheel (45mm)
Clevis
3
1
Retainer
Rod (2X257mm)
1
TP Screw(3x20mm)
Washer (3x6mm)
4
4
8
TP Screw (2.3x12mm)
Add a rubber ring to the
clevis for insuring safety
Throttle servo
Rudder servo
Elevator servo
Switch servo
8
Ply (15x15x10mm)
Assembly of the switch servo.
Assemble the switch servo to the fuselage.
The sketch map when the servos install completion.
Assemble the elevator servos to the fuselage.
The sketh amp of the steel wires in the fuselage
57
58
56
59
60
11
Accessory list for the coming installation steps.
2
2
2
Clevis
Copper joiner
Aluminum tube(3x6mm)
2
2
Screw (2x10mm)
Nut (2mm )
2
Washer(2x5mm)
Steel wire
Copper joiner
Aluminum tube
Lock Nut (2mm )
Screw (2x10mm)
Ball joint
Washer(2x5mm)
2
2
2
Clevis
Copper joiner
Aluminum tube(3x6mm)
2
2
Screw (2x10mm)
Nut (2mm )
2
Washer(2x5mm)
Steel wire
Copper joiner
Aluminum tube
Lock Nut (2mm )
Screw (2x10mm)
Ball joint
Washer(2x5mm)
15mm
3mm
125mm
60mm
3mm
2
Plastic tube(3x50mm)
Steel wire
Aluminum tube
Clevis
Lock Nut (3mm )
Washer(3x15mm)
Screw (3x65mm)
Tail wheel
Assembly of the elevator servo.
Epoxy the plastic tube to relevant position in
the fuselage.
The position of the control horn in the rudder.
Connect the linkage and the horn on the rudder.
Assemble the rudder servo to appropriate position in
the fuselage.
Install the rudder servo.
10
55
54
53
50
52
51
3mm
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'
2x7mm
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
4mm
4
1
Rib template (3mm ply)
2x7mm
Wood dowel (4x30mm)
Assembly of the stabilizer.
Drill holes to appropriate position in the stabilizer and
epoxy it to the fuselahe as below.
The sketh amp of the steel wires in the fuselage
Glue the elevator to the stabilizer by CA and epoxy.
Set the U-style wire through the tail of fuselage as
below.
According to the rib template drill holes to the stabilizer
and epoxy wooden dowels in them.
7
38
36
33
35
34
37
158 mm
4
Blind Nut (4mm)
Washer (4x8mm)
Screw (4x25mm)
Washer (4x8mm)
Screw (4x35mm)
Washer (4x8mm)
Nut (4mm)
Spring Washer (4mm)
Set Screw (3x4mm)
Set Screw (2mm)
Rod (2x400mm)
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)
4mm
5.2mm
Blind Nut
4
Blind Nut (4mm)
Engine mount (68x105mm)
Linkage Stopper
4
4
12
4
Washer(4x8mm)
Screw (4x35mm)
Spring Washer (4mm)
Nut (4mm)
2
4
Screw (4x25mm)
2
Fuel tank (550cc)
1
1
Clevis
In case of 2-cycle & 4-cycle engine.
1
Plastic tube (2x400mm)
2
2
2
Clevis
Washer(3x15mm)
Lock Nut (3mm )
1
Screw (3x65mm)
4
4
4
Clevis
Copper joiner
Aluminum tube(3x6mm)
4
4
Screw (3x10mm)
Nut (2mm )
4
Washer(2x5mm)
Assemble the throttle linkage.
Drill four holes at the diameters as shown for engine
mount.
The side view when the engine install completion.
Assemble the engine.
The front view of the engine install completion
8
43
42
41
40
39
Accessory list for the coming installation steps.
Linkage Stopper
Washer (2mm)
Washer (2mm)
Nut (2mm)
Set screw (3x4mm)
Washer (
2mm
)
Set screw (3x4mm)
1
1
1
1
Fuel supply line
Fuel spray line
Air pressure line
Drill a smallhole in appropriate position for throttle.
Install the switch and the throttle servo
Epoxy the fuel tank in the fuselage.
Notice the position of the fuel tank in the fuselage.
Install the throttle servo to appropriate position in the
fuselage.
The sketch map when the engine install completion.
Assembly of the fuel tank.
9
49
48
47
44
46
45
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