Stinson 108
Specifica tio n:
Len gth :168 9 mm (66. 5")
Win g Sp an :23 11 mm (91" )
Win g Are a :72 sq.d m
7.7 sq.f t
Win g L oadi ng :81. 9g/s q.dm
26 .9oz /sq. ft
Fly ing Weig ht :5. 9kg( 13.1 lbs)
Rad io :6c h & 8ser vos
Engine: :26cc-30cc
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
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.
2.5 in Spinner
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)
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
8
2
2
Rod (2.5x300mm)
TP Screw (2.3x12mm)
Servo tray(70x58x2mm)
Pivot&round hinge(4.5X67mm)
6
Install the aileron servo to the servo mount as illustration
below.
Install the control horn and connect the linkage.
Make sure hinges are
mounted in the same line.
1mm
Trailing
edge
Cut away the rubber tube when
the epoxy glue dried.
Make sure they are in
the right position while
installing.
Aileron
Collar (2.5mm)
2
2
2
2
2
2
Screw (3x15mm)
Nut (3mm )
Clevis
Aluminum Washer (3x8mm )
Nut
Clevis
Washer 3x8mm
Screw 3x15mm
Collar
Control horn
6
pivot & round hinges(4.5x67mm)
Apply instant type AB glue to appropriate position in the
trailing edge and assemble the ailerons to them.
Apply instant type AB glue to appropriate position of the aileron and
pivot & round hinges. Insert the pivot & round hinges to the ailerons.
Keep about 1mm width space between the aileron and
the trailing edge.
Accessory list for the coming installation steps.
1
2
3
4
5
1
10
2
TP Screw (2.3x8mm)
Wooden stick
40mm
40mm
AILERON
Adjustment of the aileron and flap,be sure they can work
perfectly.
AILERON
AILERON
50mm
50mm
Top view
RUDDER
Side View
Adjustment of the rudder, be sure it can work perfectly.
.Assemble the door window with instant style glue.
Trim the surplus parts of the windshield and assemble it
to the fuselage with screws.
Top view
Position for
right diagram.
ELEVATOR
40mm
40mm
Adjustment of the elevator,be sure it can work perfectly.
100mm
100mm
Centre of the Gravity.
2.3mm
Place the wood sheet
before fix the PVC.
61
62
59
63
64
12
60
TP Screw (2.3x12mm)
1.5mm
Epoxy the pin hinges to the flap.
6
Pin hinge(24x24mm)
Flap
1mm
Make sure they are in
the right position while
installing.
Trailing
edge
Keep about 1mm width space between trailing edge
and flap.
Install the flap servo to the servo mount as illustration
below.
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!
8
2
2
Rod (2.5x300mm)
TP Screw (2.3x12mm)
Servo tray(70x58x2mm)
Pin hinge(24X24mm)
6
Collar (2.5mm)
2
2
2
2
2
2
Screw (3x15mm)
Nut (3mm )
Clevis
Aluminum Washer (3x8mm )
Control horn
Apply instant type AB glue to the control horn and the slots in
the aileron, insert the control horn to the slots as illustration.
6
7
8
9
10
2
Accessory list for the coming installation steps.
TP Screw (2.3x8mm)
Pvc
Pvc
10
TP Screw (2.3x8mm)
2
2
Pvc
1
6
Screw (3x8mm)
4
2
Pin hinge(36x20x1mm)
Thimble
Accessory list for the coming installation steps.
Assemble the landing gears cover to the fuselage with
TP screws.
Assemble the cowling carefully to the head of fuselage
with TP screws.
Epxoy the pinned hinges and thimble to appropriate
position in the door.
Epxoy the door to the fuselage.
Fix the wing struts to the fuselage and wings via
Alu localizers & screws.
2mm
3mm
2
Wooden stick
Screw (3x15mm)
Washer (3x8mm)
6
TP Screw (3x8mm)
56
11
54
57
55
58
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 ’
A = A '
B = B '
B
B ’
TP Screw (2.3x12mm)
1.5mm
Install the control horn and connect the linkage.
3mm
According to the rib template drill holes to the wing root
and epoxy wood dowel in them.
Assemble the wings to the fuselage through the main
wing joiner carefully.
1
Main wing joiner (25x875mm)
Main wing joiner (25x850mm)
Nut
Clevis
Washer 3x8mm
Screw 3x15mm
Collar
The standard sketch map when the kit install completion.
Secure the flap servo, install the control horn and connect
the linkage.
1
Main wing joiner (25x875mm)
2
Washer (6x15mm)
2
Screw (6x35mm)
12
14
13
11
15
3
Accessory list for the coming installation steps.
6
TP Screw ( 2.3x8mm)
2
2
Blind Nut (5mm)
Main landing gear
Washer (3x8mm)
8
6
Screw (3x15mm)
5
Screw (4x15mm)
2
Screw (5x35mm)
2
Wheel (115 mm)
2
Washer (5x12mm)
4
Washer (4x12mm)
5
2
Nut(5mm)
LockNut (5mm)
PVC
2
PVC
2
2
Accessory list for the coming installation steps.
Drill holes to appropriate position in the wheel pants,
fixing the wheel pants to the landing gear with screws.
Trim the PVC parts along the shaded line.
Assemble the landing gears to the fuselage with screws
as illustration.
Washer (5x12mm)
Washer (3x8mm)
Washer (5x12mm
Nut (5mm)
Screw (5x35mm)
Screw (3X25mm)
2
2
4
2
Washer (5x12mm)
Screw (5x35mm)
Nut (5mm)
2
Lock Nut (5mm)
Lock Nut (5mm)
The sketch map when the wheels and wheel
pants install completely.
Install the wheels to the undercarriage.
4.2mm
Blind Nut
1
Double-sided adhesive
Screw (3x25mm)
Screw (3x25mm)
Screw (4x15mm)
Washer (4x12mm)
5
Screw (4x15mm)
Washer (4x12mm)
5
Adjust to appropriate distance based
on the hole in the aluminum plate
of the landing gear
appropriate distance
1
Double-sided adhesive
50
51
52
53
10
49
Screw
Spring Washer
2
Washer (6x15mm)
2
Screw (6x35mm)
Apply instant type AB glue to appropriate position of the elevator and
pivot & round hinges. Insert the pivot & round hinges to the elevator.
Epoxy the elevator to the stabilizer.
Assemble the stabilizer to the fuselage through the tail joint.
Make sure hinges are
mounted in the same line.
1mm
Tailing
edge
Cut away the rubber tube when
the epoxy glue dried.
Make sure they are in
the right position while
installing.
Keep about 1mm width space between elevator
and trailing edge.
Elevator
Accessory list for the coming installation steps.
Fix the wing to fuselage with screws throught the holes
applied in the wings and fuselage.
2
2
Rod (2x300mm)
Pivot&round hinge(4.5X67mm)
6
Collar (2mm)
2
2
2
Screw (2x10mm)
Nut (2mm )
1
Main wing joiner (12x346mm)
2
Washer(2x5mm)
4
Washer(3x6mm)
Screw (3x25mm)
4
2
Clevis
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
8
2
TP Screw (2.3x12mm)
Servo tray(70x58x2mm)
6
Pivot & round hinges(4.5x67mm)
Control horn
20
16
19
18
4
17
Linkage Stopper
Washer (2mm)
Washer (2mm)
Nut (2mm)
Set screw (3x4mm)
Washer (
2mm
)
Set screw (3x4mm)
1
1
1
1
Mount the receiver and the battery to appropriate position
in the fuselage.
The sketch map when the engine install completion.
Install the servo of the throttle.
Trim a small slot in appropriate position for throttle using.
Fuel supply line
Fuel spray line
Air pressure line
Assembly of the fuel tank.
Fix the fuel tank to appropriate position in the fuselage
with cable tie.
Drill a smallhole in appropriate position for throttle.
cable tie
cable tie
cable tie
2
44
43
48
46
47
9
45
Screw
Spring Washer
4
Washer(3x6mm)
Screw (3x25mm)
4
Assemble the servo of elevator to the servo mount. Fix the stabilizers to the tail fuselage via screws.
Nut
Washer 2x5mm
Screw 2x10mm
Collar
Install the control horn and connect the linkage.
Epoxy the control horn to the slots in the elevator,assemble the
elevator servo to the fuselage as illustration.
TP Screw (2.3x12mm)
4
Washer(2x5mm)
Screw (2x10mm)
4
Collar (3mm)
3
1
1
Tail landing gear 3mm
Tail wheel (45mm)
Aluminium plate
Accessory list for the coming installation steps.
Install the tail landing gear.
4
3
Clevis
4
Copper joiner
4
Aluminum tube
2
2
1
Steel wire (0.5x3000mm)
Collar
Collar
Collar
aluminium plate
TP Screw (2.3x12mm)
Control horn
Pivot&round hinge(4.5X67mm)
3
4
Nut (2mm )
22
21
23
24
5
25
Install the engine mount tubes to the fuselage,lock them
from inside of the fuselage.
Assemble the engine to the fuselage via the engine
mount tubes and screws.
4
Washer(4x8mm)
4
Screw (4x45mm)
Washer(4x8mm)
Screw (4x45mm)
Screw (4x20mm)
Washer(4x8mm)
4
Washer(4x8mm)
4
Screw (4x20mm)
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 (5mm)
Screw (4x25mm)
Set Screw (3x4mm)
Assemble the throttle linkage.
Drill four holes at the diameters as shown for engine
mount.
162mm
4.2mm
The front view once the engine install completion.
The side view once the engine install completion.
39
42
40
41
8
37
38
1mm
Tailing
edge
Cut away the rubber tube when
the epoxy glue dried.
Make sure they are in
the right position while
installing.
Keep some space about 1mm width between the rudder
and tail edge.
Epoxy the pivot & round hinges to the rudder,drill holes to appropriate
position in the rudder and assemble the tail landing gear to it as shown.
According to the illustration below bend the tail landing
gear wire and cut off the surplus part.
Epoxy the rudder to the vertical fin..
Assemble the tail landing gear to tail fuselage as below.
Epoxy the control horns to the slots in the rudder.
Rudder
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.
3mm
35mm
35mm
25mm
TP Screw (2.3x12mm)
27
26
6
29
28
31
30
2
2
Clevis
Copper joiner
2
Screw (2x10mm)
2
Washer(2x5mm)
St eel w ir e
Copper joiner
Lock Nut (2mm )
Screw (2x10mm)
Clevis
Washer(2x5mm)
Install the servo of the rudder.
Assemble the servo of the rudder in the fuselage and
connect the servo and the rudder via steel wires.
Lock the linkage to the control horn with screws and nuts
as below.
The sketch map of how the steel wires works for the rudder.
Ste el wi re
Copper joiner
Aluminum tube
Clevis
Nut 2mm
Screw (2x10mm)
Washer(2x5mm)
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 sketch map should be when the rudder and stabilizer
install completion.
A
A = A ’
B = B ’
A’
B
B ’
Accessory list for the coming installation steps.
1
Engine mount (60x5mm)
Linkage Stopper
12
4
Washer(4x8mm)
Screw (4x45mm)
2
4
Screw (4x20mm)
4
4
Plastic tube (2x400mm)
Fuel tank (550cc)
1
1
Cable tie
2
Rod (2x400mm)
Blind Nut (5mm)
33
34
35
32
36
7
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