Skyraider A1 - Troy Built Models

Skyraider A1
Specification:
Length
Wing Span
Wing Area
:1380 mm(54")
:1800 mm(70.9")
:56.6 sq. dm
6.09 sq. ft
Wing Loading :97.2 g/sq. dm
31.9 oz/sq. ft
Flying Weight :5.5 kg(12 lbs)
Radio
:6ch&9 servos
Engine
:120 4-cycle
INSTRUCTION MANUAL
This R/C airplane is not a toy!
(The people under 18 years old is forbidden from flying this model)
SAFETY PRECAUTIONS
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.
(with 9 servos),
6
6
6 channel radio for aiplane is highly recommended for this model.
6
: 120 - 4cycle
Spinner nut
15" x7
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.
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.
Iow setting
with cover(cloth)
Two wheel retract system
Clevis
Retainer
Rod (2x300mm)
TP Screw (2.3x12mm)
Make sure to assemble retracts as instructed below.
Screw (3x45mm)
Servo tray(68.5x56.5x2mm)
Wooden Block(20x20x8mm)
Pin hinge(24x24mm)
3-way
pressure inlet
Washer(3x15mm)
3-way
pressure inlet
Strut
1
3-way
pressure inlet
Rod (2X300mm)
1
1
TP Screw(2x14mm) 2
4
Install the servo as the illustration below.
5
Install the nylon control horn and connect the linkage.
6
Make sure hinges are
mounted in the same line.
Please insure the sealing of the retract
system before flight .
Pleas notice the inner diameter for each
side of the pressure reduction inlet.
Clevis
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Ø0.2mm
Switch
2
1
2
Pin hinge(24x24mm)
Ø1.7mm
Retainer
6
Quick release connector
Pressure reduction inlet
2
2
2
4
Air tank
Quick release connector
Strut( 90 )
2
2
2
8
Apply instant type CA glue to aileron and pin hinge.
Air inlet
Assemble the aileron to main wing with instant type
CA glue.
2
2
Lock Nut (3mm )
Washer(3x15mm)
Strut
3
Accessory list for the coming installation steps.
Keep some space about 1mm width between
aileron and trailing edge.
Trailing
edge
Retainer
Rod (2x300mm)
Aileron
Switch
Air line (3000mm)
1
3-way pressure inlet
Air tank
Air inlet
3
1
Clevis
1
Screw (2x10mm)
Air valve
1mm
Air valve
1
Quick release connector 2
Pressure reduction inlet
1
The status when the
gear up
Pull out length of 8mm
to make gear down
Make sure they are in
the right position while
installing.
1
6
8
Secure the servo.Install the nylon control horn
and connect the linkage.
Clevis
Screw (2x10mm)
1.5mm
77
80
Epoxy the bomb to the appropriate position in
the wing steadily as below.
Drill two holes to the relevant position in the airplane
for assembling the drop tank.
Trailing
edge
Rod (2x300mm)
TP Screw (2.3x12mm)
Keep some space about 1mm width between trailing
edge and flap.
5mm
Flap
100mm
Lock Nut (3mm )
Washer(3x15mm)
260mm
Washer
3mm
1mm
Screw (3x45mm)
Make sure they are in
the right position while
installing.
9
Accessory list for the coming installation steps.
Clevis
Retainer
Rod (2x300mm)
TP Screw (2.3x12mm)
Screw (3x50mm)
Servo tray(68.5x56.5x2mm)
Wooden Block(20x20x8mm)
Washer(3x15mm)
Lock Nut (3mm )
Washer(3x15mm)
Pin hinge(36x20x1mm)
7
78
81
Drill two holes to appropriate in the drop tank.
Please notice the datas below when assemble
the drop tank.
2
2
2
8
2
2
4
5mm
2
2
10mm
5mm
2
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
6
10
Epoxy the pin hinges to the flap.
Pin hinge(36x20x1mm)
Epoxy the flaps to the wings as illustration.
Install the servo.
79
82
Epoxy the plastic tubes in the holes tightly.
6
Plastic tube (5x30mm)
Make sure hinges are
mounted in the same line.
2
2
15
Epoxy the drop tank to the airplane tightly.
72
Accessory list for the coming installation steps.
Adjustment.
11
(Optional parts)
Side View
AILERON
FLAP
Dummy bomb
25mm
25mm
Bomb mount
Retainer
Clevis
1
Screw (2x10mm)
Plastic tube (5x30mm)
73
Cut off the surplus portion carefully along the shaded line.
Rod (2x300mm)
1
50mm
AILERON
13
Install the nylon control horn and connect the linkage.
2
FLAP
75
Adjustment.
Epoxy the bomb to the bomb mount tightly.
12
14
Secure the servo.Install the nylon control horn and
connect the linkage.
280mm
TP Screw (2.3x12mm)
Trim the covering for the wheel well carefully and glue the PVC
part to appropriate position on the wing as illustration.
Pvc part
2
1.5mm
Rod (2x300mm)
Top view
ELEVATOR
Clevis
Screw (2x10mm)
25mm
25mm
74
Washer(3x15mm)
Washer
Position for
right diagram.
Side View
2mm
Lock Nut (3mm )
Screw (3x50mm)
76
The centre of the Gravity.
The position of the bomb mount will be on the wing.
420mm
27mm
120mm
14
15
Accessory list for the coming installation steps.
Pvc part
TP Screw(3x20mm)
LockNut (4mm)
wheel (90mm)
Bushing (8X4mm)
Main wing joiner
Screw (6x50mm)
Blind Nut (6mm)
Reinforcement Plate(3mm)
TP Screw (2x10mm)
spring(3mm)
Wood dowel (6x50mm)
Wood dowel (6x30mm)
Rib template (2mm ply)
2
8
2
2
Assemble the wheel to the retracts.
Bushing (8X4mm)
Pull the turnable shaft out to maximum
when assemble the anti-vibration landing
gear to it.
2
1
2
2
1
4
2
2
2
1
LockNut (4mm)
Retracts strut
Note:rubber wheels oleo struts
and retracts are optional.
3
16
19
Trim an opening in the appropriate for assembling the retract
and wheel as below and epoxy the wooden block in it.
Attaching the retract strut covering part to the retract
as the illustration below.
Assemble the canopy to the canopy mount with screw.
y and canopy mount to the fuselage.
Wheel (90mm)
spring
16mm
2
Collar (5mm)
Landing gear straps
3mm
TP Screw (3x20mm)
Washer (3x6mm)
Wooden Block(20x20x20mm)
spring(3mm)
Wooden Block(10x3x10mm) 2
17
20
Drill holes at appropriate position in the wing for
fetching out the servo wire and air pipe.
Drill holes to appropriate in the canopy mount and epoxy the
fiber glass tubes and maget to relevant position as below.
Assemble the retract to the right place.
TP Screw (3x20mm)
Pvc part
1.5mm
67
2
6
12
12
Wooden Block(30x28x20mm)
2
Wooden Block(20x20x20mm)
2
1
Pin hinge(2.5x48mm)
4
Drill holes to the wooden block and epoxy it to
landing gear covering part as below.
4
Wooden Block(43x28x26mm)
Landing gear(5mm)
TP Screw (2x10mm)
TP Screw (2x10mm)
69
Accessory list for the coming installation steps.
1.5mm
2
2
2
2
70
Fixed landing gear.Assemble the wheel and the landing
gear to the wooden supporter as below.
Assemble the landing gear straps to the wooden
block with TP screw.
Collar (5mm)
Landing gear straps
Collar (5mm)
TP Screw (3x30mm)
3mm
Pin hinge(2.5x48mm)
TP Screw (3x20mm)
Wooden supporter
TP Screw (3x20mm)
18
Landing gear straps
2
TP Screw (3x20mm)
2
Wooden Block(20x20x20mm)
2
8
21
Epoxy the wooden block to appropriate position in the
According to the rib template drill holes in one wing and
retract covering part and drill holes in them as below.
epoxy wood dowel in them.
Drill holes in the relevant position in the fuselage and
epoxy the maget to the relevant position as below.
68
71
Epoxy the fixed landing gear to the wing.
Pvc part
Adjustment.
2
5mm
1.5mm
6mm
3mm
40mm
Side View
RUDDER
8mm
Wooden Block(10x10x10mm)
Pin hinge(2.5x48mm)
Pin hinge(2.5x48mm)
25mm
Rib template (2mm ply)
6
Wood dowel (6x30mm)
Rib template (2mm ply)
2
4
25mm
Top view
2
1
13
64
Accessory list for the coming installation steps.
Cut off the surplus portion from the canopy carefully.
22
Main wing joiner
Canopy
1
TP Screw (2.3x8mm)
25
Epoxy the main wing hardly together with wing joiner.
Fix the reinforcement plate between the two wings as
below for reinforcing the main wing from discerption.
Reinforcement Plate
1
Screw(6x50mm)
2
Blind Nut (6mm)
6mm
1
2
12
Solid wood plate (15x15x10mm)
Pvc part
12
2
Pvc part
6.2mm
2
Blind Nut
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
62
65
Trim the cowling for engine and muffler
Epoxy the plies to appropriate position which under the canopy
in the fuselage and assemble the canopy with TP screws.
23
26
Drill holes to appropriate position in the wings and
epoxy wood dowels in them.
Drill 6.2mm holes at the place
of main wing.
TP Screw (2.3x8mm)
6mm
100 mm
TP Screw (2.3x8mm)
Ply (15x15x3mm)
63
66
Epoxy solid wood plates to appropriate position inside the
fuselage as below and assemble the cowling.
6mm
Wood dowel (6x50mm)
B
B`
A=A'
B=B'
2
Accessory list for the coming installation steps.
Drill holes to relevant position in the fuselage.
100mm
1.5mm
A`
16 mm
8
24
A
Install the wing to the fuselage
with 6x50mm screws as shown
in the diagrams below.
8
Epoxy the PVC parts to the appropriate position as below.
The standard sketch map will be as below when the
main wing install completion.
16 mm
Stab joiner(12x190mm)
Pin hinge(24x24mm)
6mm
6mm
Wood dowels (4x30mm)
Rib template (3mm ply)
Pin hinge(2.5x48mm)
TP Screw (2.3x8mm)
Solid wood plate
(15x15x10mm)
Pvc part
4
Pvc part
4
12
U-style wire (150x3mm)
2
Steel wire (0.5x3000mm)
2
5
1
6
4
1
3
1
2
28
31
A ccording to the rib template drill holes to the tail of
fuselage as below.
Rib template (3mm ply)
57
Assemble the stablilizers carefwly to fuselage.
TP Screw (2.3x8mm)
Stab joiner (12x190mm)
1
59
Epoxy ply to appropriate position in the fuselage
and assemble the tail gear cover with screw.
Ply (15x15x3mm)
8
Install the servo of switch.
TP Screw (2.3x8mm)
8
4mm
Add a rubber ring to the
clevis for insuring safety
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
29
32
Set the U-style wire through the enlarged hole as below.
Clevis
Copper joiner
Screw (2x10mm)
Nut (2mm )
Washer(2x5mm)
Retainer
Clevis
Rod (2x300mm)
Rod (2x400mm)
Air tank
Switch
Ring
Aluminum tube(3x6mm)
2x10mm
Steel wire (0.5x3000mm)
U-style wire (150x3mm)
30
2
1
33
Drill two holes at the stabilizer root base on rib template
and epoxy the wood dowel in them.
Wood dowel (4x30mm)
58
Apply instant type CA glue to elevator and pin hinge.
Pin hinge(24x24mm)
4
60
Accessory list for the coming installation steps.
Drill holes to appropriate position in the stabilizer .
4
4
4
4
4
1
1
1
1
1
1
1
8
switch servo
Rudder servo
Throttle servo
Elevator servo
61
Install the servo.
Screw (2x10mm) Washer(2x5mm)
6
Ball joint
Lock Nut (2mm )
Copper joiner
Steel wire
4mm
4mm
Clevis
Copper joiner
Screw (2x10mm)
Nut (2mm )
Make sure hinges are
mounted in the same line.
6
The sketch map when the servos install completion.
Washer(2x5mm)
4
4
4
4
4
11
Mount the receiver and battery in the fuselage.
51
54
Keep some space about 1mm width between
the tailing edge and the rudder.
The sketch map after the rudder shaft assemble finished.
34
Tailing
edge
Tailing
edge
Screw (2x10mm)
The front view when the engine install completion.
Washer(2x5mm)
Ball joint
Cut away the rubber tube when
the epoxy glue dried.
Elevator
Ta i l w h e e l
Rudder
t (3mm
Lock Nu
Steel wire
1mm
Aluminum tube
Clevis
Make sure they are in
the right position while
installing.
52
36
Keep some space about 1mm width between the
elevator and horizontal tail edge.
55
Drill holes to the relevant position in the tailing edge
and epoxy the rudder to them.
Rod (2x300mm)
Lock Nut (2mm )
)
Rod (2x300mm)
1mm
Clevis
Copper joiner
Washer(3x15mm)
Screw (3x80mm)
The sketch map when the linkages for the rudder and
the tail gear.
35
Glue the elevator to the stabilizer by CA and epoxy.
Lock Nut (3mm )
2
2
Nut (2mm )
Washer(2x5mm)
Clevis
2
Aluminum tube(3x6mm)
Screw (2x10mm)
Make sure they are in
the right position while
installing.
3mm
2
In case of 2-cycle & 4-cycle engine.Washer(3x15mm)
2
Washer
Screw (3x35mm)
2
37
The side view when the engine install completion.
Retainer
150 mm
2.5mm
3mm
3mm
105mm
85mm
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
5352
56
Epoxy the plastic tube to relevant position in
the fuselage.
The sketch map of the linkages for the rudder
and elevator in the fuselage.
38
Accessory list for the coming installation steps.
Add a rubber ring to th
clevis for insuring safe
Drill four holes to appropriate position in the diameters
as show for engine mount.
Blind Nut (4mm)
Blind Nut (4mm)
Screw (4x35mm)
Screw (4x25mm)
Washer(4x8mm)
Spring Washer (4mm)
3mm
15mm
115mm
70mm
Nut (4mm)
Linkage Stopper
Plastic tube (2x400mm)
Engine mount (68x105mm)
3mm
Fuel tank (550cc)
Plastic tube(3x50mm)
2
4
4
4
12
4
6.2mm
4
Blind Nut
2
1
2
1
20mm
10
7
4
39
42
Assemble the engine.
Screw (4x35mm)
45
Assembly of the fuel tank.
48
Assemble the throttle servo to the fuselage.
Assemble the wheel steeling mounts to appropriate
position.
Washer (4x8mm)
2.6mm
40mm
1.8mm
4mm
Washer (4x8mm)
Washer (4x8mm)
Spring Washer (4mm)
Nut (4mm)
40
Screw (4x25mm)
(3x35mm)push rod
Assemble theScrew
accelerator
2 to the engine.
Washer(3x15mm)
4
Lock Nut (3mm )
2
Washer (2mm)
Washer (4x8mm)
Set Screw (2mm)
41
Washer (3x6mm)
TP Screw(3x20mm)
Fuel supply line
43
Clevis
Retainer
4
4
Epoxy the fuel tank to the fuselage.
Nut (2mm )
4
Washer(2x5mm)
4
Washer(3x15mm)
2
Aluminum tube(3x6mm)
6
Screw (3x80mm)
1
Plastic tube(3x50mm)
2
Clevis
10
Screw (2x10mm)
4
Copper joiner
F i b e r g l aRod
s s p(2x400mm)
ushrod(3x745mm)
4
2
Linkage Stopper
Copper joiner
Steel wire (0.5x1500mm)
1
4
2
Set Screw (3x4mm)
1
Air pressure line
Fuel spray line
Set Screw (2mm)
Set Screw (3x4mm)
Retainer
Nose arm(3mm)
Washer (3x6mm)
TP Screw(3x20mm)
Tail landing gear(3mm)
Tail wheel (45mm)
Collar (3mm)
Rod (2X257mm)
1
TP Screw (2.3x12mm)
Pin hinge(2.5x48mm)
4
1
Fuel tank (550cc)
1
44
The sketch map when the engine intall completion.
Washer(3x15mm)
Accessory list for the coming installation steps.
1
1
4
4
Pin hinge(2.5x48mm)
Nose arm(3mm)
1
Washer (3x6mm)
1
TP Screw(3x20mm)
Tail landing gear(3mm)
3
Tail wheel (45mm)
1
8
Collar (3mm)
3
Rod (2X300mm)
TP Screw (2.3x8mm)
2
3
Washer(3x15mm)
1
4
Clevis
Lock Nut (3mm )
4
Screw (3x80mm)
1
Retainer
1
3
1
8
Plastic tube(3x50mm)
Ply (15x15x3mm)
Steel wire (0.5x3000mm)
Install the throttle servo.
49
The sketch map when the tail landing gear be
installed to the fuselage.
50
Apply instant type AB glue to rudder and pin hinge.
2
2
3
1
1
2
8
2
8
Ply (15x15x3mm)
47
8
The sketch map when assemble the tail landing
gear to the wheel steeling mount.
Pin hinge(2.5x48mm)
Set screw (3x4mm)
Ply (6mm)
Heat-shrink Tube(12x30mm)
Washer (2mm)
1
Tail landing gear
4
Washer (2mm)
Linkage Stopper
Fiberglass pushrod 1
(8x650mm)
1
Washer (2mm)
1
Screw (3x35mm)
2
Nut (2mm)
1
Screw (2x10mm)
Set screw (3x4mm)
Assembly of the rudder servo.
Washer(2x5mm)
1
Collar
45mm
Collar
Collar
3
Make sure hinges are
mounted in the same line.
Lock Nut (2mm )
Copper joiner
Steel wire
8
Clevis
Copper joiner
2
105mm
105mm
Ball joint
Aluminum tube
4
1
TP Screw (2.3x8mm)
Screw (2x10mm)
4
9
3