Troy Built Models ROBIN DR400 User manual

Specification:

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!

ROBIN DR400

(ITEM NO: WO34A)

Length :2170 mm(85.5")

Wing Span :2577 mm(101")

Wing Area :113 sq. dm

12.15 sq. ft

Wing Loading :113.6 g/sq. dm

37.2oz/sq. ft

Flying Weight :12500 g(27.5 lbs)

Radio :6ch & 8 servos

Engine :80—100CC Gasoline engine

graphic

The step once you stick the graphic on fuselage completion.

Clear the surface of the fuselage with clear white

cloth once you stick the grasphics on the plane.

Stick the graphic to appropriate position on the fuselage.

Accessory list for the coming installation steps.

30mm

20mm

AILERON

FLAP

Top view

Position for

right diagram.

ELEVATOR

Side View

30mm

AILERON

30mm

Top view

RUDDER

Side View

149mm

TP Screw (2.3x8mm)

Ply (15x15x3mm) 10

TP Screw (2.3x8mm)

1.5mm

Epoxy plies to appropriate position on the fuselage which

under the canopy and assemble the canopy to fuselage

with TP screws. Adjustment.

Adjustment.

Centre of Gravity.

: 80—100cc

(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)

4 inch Spinner

Powerer

TP Screw (2.3x8mm)

Ply (15x15x3mm) 18

TP Screw (2.3x8mm)

Ply (15x15x3mm) 8

1.5mm

Canopy 1

Throttle servo

Rudder servo

Elevator servo

Rudder servo

The sketch map when the servos install completion.

Mount the receiver and the battery to the fuselage.

Trim the cowling for engine and muffler.

Epoxy plies to appropriate position on the fuselage which

under the cowl and assemble the cowl to the fuselage

with TP screws.

Cut off the surplus portion careful along the shaded line.

60 62

Accessory list for the coming installation steps.

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!

Make sure hinges are

mounted in the same line.

Clevis

Rod (2x300mm)

Retainer

TP Screw (2.3x12mm)

Wooden Block

(20x20x8mm)

Servo tray(68.5x56.5x2mm)

Pin hinge(24x24mm)

Screw (3x60mm)

Washer(3x15mm)

Lock Nut (3mm )

Clevis

Retainer

Rod (2x300mm)

Screw (2x10mm)

Pin hinge(24x24mm)

Install the servo as the illustration below

Install the nylon control horn and connect the linkage.

Apply instant type CA glue to aileron and pin hinge.

Keep some space about 1mm width between

aileron and trailing edge.

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

to ensure the moving parts of the hinges are able to move freely.

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)

Install the nylon control ring for switch and connect

the linkage.

Linkage Stopper

Clevis

Aluminum tube(3x6mm)

Screw (2x10mm)

Nut (2mm )

Washer(2x5mm)

Linkage Stopper

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (2mm)

Set screw (3x4mm)

Washer (2mm)

2x150mm Rod

8x650mm Rod

Ball joint

100mm

Ball joint

Metal arms

Drill a hole and slot to the rod and glue the wire to

them and wrap it with tape.

Connect the arms for the stabilizer and the servo

of stabilizer.

TP Screw (2.3x8mm)

Ply (15x15x3mm) 8

TP Screw (2.3x8mm)

1.5mm

Assemble the tail fuselage cover with TP screws. Assemble the servo of stabilizer.

56 58

Accessory list for the coming installation steps.

Clevis

Rod (2x300mm)

Retainer

TP Screw (2.3x12mm)

Wooden Block

(20x20x8mm)

Servo tray(68.5x56.5x2mm)

Screw (3x50mm)

Washer(3x15mm)

Lock Nut (3mm )

TP Screw (2.3x12mm)

1.5mm

3mm

Rod (2x300mm)

Clevis

Washer(3x15mm)

Washer

Lock Nut (3mm )

Screw (3x60mm)

Pin hinge(36x20x1mm)

Secure the servo.Install the nylon control horn and

connect the linkage.

Pin hinge(36x20x1mm)

Flap

1mm

Make sure they are in

the right position while

installing.

Trailing

edge

Keep some space about 1mm width between

trailing edge and flap.

Epoxy the pin hinges to the flap.

Epoxy the flaps to the wings as illustration.

Securely glue together. If coming off during flights, you 'll

lose control of your airplane which leads to accidents!

Install the servo.

Accessory list for the coming installation steps.

Steel wire

Aluminum tube

Clevis

Lock Nut (3mm )

Washer(3x15mm)

Screw (3x80mm)

28mm 118mm

Plastical tube(3x60mm)

3mm

1mm

Rudder

Tailing

edge

Cut away the rubber tube when

the epoxy glue dried.

Make sure they are in

the right position while

installing.

2.5mm

Keep some space about 1mm width between

the tailing edge and the rudder.

Drill holes to relevant position in the vertical fin and

assemble the rudder to the fuselage with epoxy glue.

Drill holes to appropriate position in the tail fuselage

for connect the rudder and rudder servo.

Epoxy the plastical tubes to the holes as illustration.

The sketch map once the connection between the

rudder and rudder servo assemble completion.

Drill holes to the relevant position in the rudder for

assembling the shaft for control the rudder.

50 53

1.5mm

Clevis

Retainer

Rod (2x300mm)

Screw (2x10mm)

TP Screw (2.3x12mm)

3mm

Rod (2x300mm)

Clevis

Washer(3x15mm)

Washer

Lock Nut (3mm )

Screw (3x50mm)

Main wing joiner (25x270mm)

Main wing joiner (16x270mm)

Wood dowel (8x60mm) 2

Blind Nut (8mm)

Screw(8x60mm)

Reinforcement Plate 1

PVC 1

A = A"

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!

Washer (4x12mm)

Rib template

Screw (4x16mm)

Collar (8x4mm)

Wheel (100mm)

Screw (20mm)

Lock Nut (4mm )

Fiber board(100x15x2mm)

Trim the holes until they fit the

screw very well.

Marked place

Screw (3x15mm) 4

Washer (3x6mm)

TP Screw (2.3x12mm)

Screw (3x10mm)

Washer (3x6mm)

Main wing joiner (25x270mm)

Main wing joiner (16x270mm)

Fiber board(100x15x2mm) 4

Ply (9mm)

oleo strut

Install the nylon control horn and connect the linkage.

Secure the servo.Install the nylon control horn and

connect the linkage.

The sketch map when the wings assemble completion.

Put the fiber boards into the main wing until the screw can

fix them very well and mark the position as illustration.

.Epoxy the fiber board to the side wing until the

marked position.

12 14

Accessory list for the coming installation steps.

8mm

220mm

Blind Nut (6mm)

Screw(6x50mm)

Washer (4x12mm)

Screw (4x16mm) Screw (4x16mm)

8mm

220mm

20mm

Wood dowel (8x60mm) 2

Screw

Spring Washer

Reinforcement Plate 1

79mm

6.2mm

Blind Nut

PVC 1

TP Screw (2.3x12mm)

Mount the oleo strut to appropriate position on the wing

and make sure they are in right direction.

oleo strut

Assemble the side wing to the main wing and fix them

with screws.

Drill holes to the appropriate position in leading edge

and epoxy the wood dowel in them.

Drill holes to the relevant position in the fuselage.

Assemble the wings to the fuselage and fix it with

the reinforcement plate and screws.

Trim the surplus parts from the PVC and fix the PVC to

the fuselage with TP screw.

Pin hinge(2.5x48mm)

Make sure hinges are

mounted in the same line.

135mm

137mm

37mm

2.5mm

Screw (4x12mm)

AA’’

BB’’

A=A”

B=B”

The sketch map of the tail fuselage should be like

illustration when the tail assembled completion.

Nut (2mm )

Screw (2x16mm)

Metal arms

Copper ball (2mm )

Washer(2x5mm)

Collar(3mm)

Put the metal arms,wheel adapters & wood mount in the

tail fuselage,let the stab tube through all these parts.

Fix wheel adapters and avoid the tube from movement.

Fix the collar and avoid the metal rod from movement.

Fix the wheel adapters with set screw and wood

mount with epoxy glue.

Assemble the stabilizer to the stab tube and fix

it with screw as illustration.

Drill holes to appropriate position in the rudder and

epoxy the pin hinges to the rudder.

Assemble the throttle servo in the fuselage.

Clevis

Pin hinge(2.5x48mm)

B’’

A’’

A=A”

B=B”

Stab tube(16x690mm)

Triangle wood block

(15x15x40mm)

Ply

Metal rod(3x390mm)

TP Screw (2.3x8mm)

Ply (15x15x3mm) 8

Washer(3x15mm)

Lock Nut (3mm )

Screw (3x80mm)

Steel wire (0.5x3000mm)

Wood pushrod(8x800mm)

Rod (2X100mm) 3

Rod (2x150mm)

Clevis

Screw (2x16mm)

Nut (2mm )

Washer(2x5mm)

Screw (4x12mm)

Screw (3x15mm)

Plastical tube(3x60mm)

Stab tube (16x690mm)

Metal rod (3x390mm)

Metal arms

Fuel supply line

Fuel spray line

Air pressure line

Assembly of the fuel tank.

Mount the fuel tank to appropriate position in the fuselage.

Set screw

screw(3x15mm)

wheel adapters

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!

Collar (3mm) 2

Put the metal arms,wheel adapters & wood mount in the

tail fuselage,let the stab tube through all these parts.

wheel adapters

The standard sketch map when the horizontal

tail & vertical tail install completion.

39 41

Accessory list for the coming installation steps.

Lock Nut (4mm)

Bushing (8x4mm)

Wheel (100 mm)

Collar (8x4mm)

Wheel (100mm)

Screw (20mm)

Lock Nut (4mm )

18mm

Lock Nut (4mm)

Bushing (8x4mm)

Wheel (100 mm)

20mm

Rib template(2mm)

5mm

Ply (9mm)

Front wheel steering mounts

Aluminum part(60x6mm)

Copper joiner

Aluminum tube(3x6mm)

Steel wire (0.5x1500mm)

TP Screw(3x20mm)

Washer (3x6mm)

Collar (8x4mm)

Wheel (100mm)

Screw (20mm)

Lock Nut (4mm )

Rib template (2mm)

Plastic tube(3x50mm)

ply (9mm )

Lock Nut (4mm)

Bushing (8x4mm)

Wheel (100 mm)

Aluminum part(60x6mm)

Front wheel steering mounts

25mm

TP Screw(3x20mm)

Washer (3x6mm)

1.8mm

Set screw

The accessories of the nose gear.

Assemble the front wheel steering mounts to appropriate

position on the firewall with screw.

According to the rib template drill a hole one the

main wheel pants.

Assemble the wheel pants to the oleo struct and it them

with plies and epoxy glue.

Assemble the wheels to the oleo struts as illustration.

oleo strut

AA’

A=A’

B=B’

BB’

Clevis

Accessory list for the coming installation steps.

Assemble the rudder servo in the fuselage.

18mm

Rib template (2mm)

ply (9mm )

According to the rib template drill a hole to the nose

wheel pants.

Assemble the wheel pants to the oleo struct and

fix it with plies and epoxy glue.

Assemble the wheel to the oleo strut as illustration.

12mm

5mm

3mm

Drill two holes to appropriate position in the firewall

for the nose steeling fullarm.

Epoxy plastic tubes in the holes and connect the

steel wire to the nose gear servo.

5mm

Ply (9mm)

Lock Nut (4mm)

Bushing (8x4mm)

Wheel (100 mm)

20mm

Plastic tube(3x30mm)

Steel wire (0.5x1500mm)

Steel wire

Copper joiner

Lock Nut (2mm )

Screw (2x10mm)

Ball joint

Washer(2x5mm)

The front view when the engine install completion.

The side view when the engine install completion.

6.2mm

Blind Nut

Blind Nut (5mm)

Linkage Stopper

Washer (2mm)

Nut (2mm)

Set screw (3x4mm)

Washer (

2mm

)

Set screw (3x4mm)

Drill 4 holes to appropriate position in the head

fuselage and set blind nut in them..

Assemble the engine.

Assemble the servos and switch.

195 mm

Linkage Stopper

Washer(5mm)

Spring Washer (5mm)

Screw (5mm)

Plastic tube (2x650mm)

Washer

Blind Nut (5mm)

Fuel tank (800cc) 1

Screw (5mm)

Washer

Washer (5mm)

(Not included)

Accessory list for the coming installation steps.

Table of contents

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