Troy Built Models P-51B Mustang User manual

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

(with 8 servos),

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)

Clevis

Rod (2x300mm)

Retainer

TP Screw (2.3x12mm)

Wooden Block

(20x20x8mm)

Servo tray(68.5x56.5x2mm)

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)

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.

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

Pressure reduction inlet

Strut

3-way pressure inlet 3

Pressure reduction inlet 1

Air tank

Air inlet

Air line (3000mm)

Quick release connector

Strut

( 90 )

Switch

Clevis

Rod (2X300mm)

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 .

Rod (2x300mm)

TP Screw (2.3x12mm)

Wooden Block(20x20x8mm)

Servo tray(68.5x56.5x2mm)

Pin hinge(36x20x1mm)

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!

Screw (3x45mm)

Clevis

Retainer

Washer(3x15mm)

Lock Nut (3mm )

TP Screw (2.3x12mm)

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.

Accessory list for the coming installation steps.

Top view

Position for

right diagram.

ELEVATOR

Side View

25mm

Top view

Side View

25mm

RUDDER

157mm

20mm

AILERON

FLAP

Side View

FLAP

AILERON

20mm

Adjustment. Adjustment.

The centre of the Gravity.

Adjustment.

Epoxy the wheels to the wings steadily.

TP Screw (3x20mm)

Wooden Block

TP Screw (2.6x14mm)

Collar (5mm)

Wooden supporter

Collar (5mm)

Washer (3x6mm)

Wooden Block(43x28x26mm)

Gear door

Collar (5mm)

Wheel (100mm)

Landing gear(5mm) 2

TP Screw (3x20mm )

Landing gear straps

TP Screw (2.6x14mm)

Washer (3x6mm) 8

Wooden Block(25x15x13mm)

5mm

Plastic tube(5x30mm)

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.

Accessory list for the coming installation steps.

TP Screw (2.3x12mm)

A’

B’

A=A’

B=B’

Wood dowel (6x50mm)

Wood dowel (6x30mm)

Blind Nut (6mm)

Screw (6x50mm)

Gear door

Wheel (100mm)

LockNut (4mm)

PVC

Bushing (8X4mm)

Reinforcement plate

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)

Clevis

Washer(3x15mm)

Washer

Lock Nut (3mm )

Screw (3x35mm)

Screw (2x10mm)

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.

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

Wood dowel (6x30mm)

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

TP Screw (2.3x8mm)

1.5mm

Ply (15x15x3mm) Ply (20x20x6mm)

Bulge point

1.5mm

TP Screw (2.3x8mm)

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.

66 69

Collar

Tail landing gear

Collar

Assemble the tail landing gear to the wheel steeling

mounts as below.

TP Screw (2.3x8mm)

Pvc part

Plastic tube(5x30mm)

Drop tank

TP Screw (2.3x12mm)

3mm

18mm

Retainer

Canopy

Rod (2x300mm)

Clevis

2.0mm

TP Screw(3x20mm)

Washer (3x6mm)

Ply (15x15x3mm)

1.5mm

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.

Accessory list for the coming installation steps.

80 mm

Wood dowel (6x50mm)

Blind Nut (6mm)

Screw(6x50mm)

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.

Stab joiner (12x250mm)

Pin hinge(24x24mm)

Pin hinge(2.5x48mm)

Steel wire (0.5x3000mm)

U-style wire (3mm)

12 mm

80 mm

16mm

64mm

78mm

90mm

6mm

2.5mm

Wood dowel (4x30mm)

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

Elevator

1mm

Tailing

edge

Make sure they are in

the right position while

installing.

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

Rib template (3mm ply)

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.

Nose arm(3mm)

Collar (3mm) 2

Tail landing gear(3mm)

Tail wheel (45mm)

Clevis 3

Retainer

Rod (2X257mm) 1

TP Screw(3x20mm)

Washer (3x6mm)

TP Screw (2.3x12mm)

Add a rubber ring to the

clevis for insuring safety

Throttle servo

Rudder servo

Elevator servo

Switch servo

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

Accessory list for the coming installation steps.

Clevis

Copper joiner

Aluminum tube(3x6mm)

Screw (2x10mm)

Nut (2mm )

Washer(2x5mm)

Steel wire

Copper joiner

Aluminum tube Lock Nut (2mm )

Screw (2x10mm)

Ball joint

Washer(2x5mm)

Clevis

Copper joiner

Aluminum tube(3x6mm)

Screw (2x10mm)

Nut (2mm )

Washer(2x5mm)

Steel wire

Copper joiner

Aluminum tube Lock Nut (2mm )

Screw (2x10mm)

Ball joint

Washer(2x5mm)

15mm

3mm

125mm 60mm

3mm

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.

3mm

C C’

DD’

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

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.

34 37

158 mm

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

Washer (4x8mm)

Rod (2x400mm)

Blind Nut (4mm)

Screw (4x25mm)

Set Screw (3x4mm)

4mm

5.2mm

Blind Nut

Blind Nut (4mm)

Engine mount (68x105mm)

Linkage Stopper 4

Washer(4x8mm)

Screw (4x35mm)

Spring Washer (4mm)

Nut (4mm)

Screw (4x25mm)

Fuel tank (550cc) 1

Clevis

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

Plastic tube (2x400mm)

Clevis

Washer(3x15mm)

Lock Nut (3mm )

Screw (3x65mm)

Clevis

Copper joiner

Aluminum tube(3x6mm)

Screw (3x10mm)

Nut (2mm )

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

Accessory list for the coming installation steps.

Linkage Stopper

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (

2mm

)

Set screw (3x4mm)

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.

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