ESM F8F Bearcat User manual

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
21
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 .
F8F Bearcat
Specification:
Length :1346 mm(53")
Wing Span :1860 mm(73.2")
Wing Area :55.3 sq. dm
5.95 sq. ft
Wing Loading :117.5 g/sq. dm
38.5 oz/sq. ft
Flying Weight :6.5 kg(14.3 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!

TP Screw (3x20mm)
Wooden Block
TP Screw (2.6x14mm)
Collar (5mm)
Wooden supporter
Collar (5mm)
Washer (3x6mm)
Assemble the main wheels as below.
Epoxy the wheels to the wings steadily.
Top view
Side View
20mm
20mm
RUDDER
145mm
20mm
20mm
30mm
AILERON
FLAP
FLAP
AILERON
Side View
Top view
Position for
right diagram.
ELEVATOR
Side View
25mm
25mm
Adjustment.
The centre of the Gravity.
Adjustment.
Adjustment.
65 68
66
67
69
70
13
Accessory list for the coming installation steps.
: 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.
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)
Spinner nut

8
TP Screw (2.3x8mm)
Ply (15x15x3mm) 8
1.5mm
13
TP Screw (2.3x8mm)
1
Canopy
Ply (15x15x3mm) 13
1
1
Drop tank
Bottom cover
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)
Trim the cowling for engine and muffler.
Cut away the surplus parts of canopy carefully
along the shade line.
Epoxy the plies in the inside of the fuselage as below
and assemble the canopy to the fuselage with TP.
Trim two holes in the bottom cover as below.
Epoxy the drop tank to the bottom cover.
Epoxy the bottom cover to the fuselage.
62
63
64
12
60
Accessory list for the coming installation steps.
61
Accessory list for the coming installation steps.
Make sure hinges are
mounted in the same line.
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Aileron
1mm
Tailing
edge
Make sure they are in
the right position while
installing.
6
Pin hinge(24x24mm)
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)
Screw (3x35mm)
Washer(3x15mm)
2
Washer(3x15mm)
Lock Nut (3mm )
Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
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.
1
2
3
4
5
1
Accessory list for the coming installation steps.

TP Screw (2.3x12mm)
1.5mm
3mm
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
8
8
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)
Screw (3x35mm)
Washer(3x15mm)
2
Washer(3x15mm)
Lock Nut (3mm )
Flap
Make sure hinges are
mounted in the same line.
1mm
Tailing
edge
Make sure they are in
the right position while
installing.
8
Pin hinge(24x24mm)
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
Screw (2x10mm)
Install the servo.
Secure the servo.Install the nylon control horn
and connect the linkage.
Apply instant type CA glue to flap and pin hinges.
Keep some space about 1mm width between trailing
edge and flap.
Assemble the flap to main wing with instant type CA glue.Be careful to
ensure the moving parts of the hinges are able to move freely.
7
68
9
10
2
Accessory list for the coming installation steps.
13
TP Screw (2.3x8mm)
1
Canopy
Ply (15x15x3mm) 13
1
1
Drop tank
Bottom cover
Trim the cowling for engine and muffler.
Throttle servo
Switch servo
Elevator servo
Rudder servo
5
TP Screw (2.3x8mm)
Ply (15x15x3mm) 5
1.5mm
Epoxy plies to relevant position inside the fuselage as below
for assembling the cowling and install the cowling.
The sketch map when the servos install completion.
4
4
4
Clevis
Copper joiner
Aluminum tube(3x6mm)
4
4
Screw (2x10mm)
Nut (2mm )
4
Washer(2x5mm)
Steel wire
Copper joiner
Aluminum tube Lock Nut (2mm )
Screw (2x10mm)
Ball joint
Washer(2x5mm)
Install the servo of the rudder.
Install the receiver and the battery in the fuselage.
56
57
58
55
11
59
Accessory list for the coming installation steps.

3mm
11mm
Steel wire
Aluminum tube
Clevis
Lock Nut (3mm )
Washer(3x15mm)
Screw (3x65mm)
2
Plastic tube(3x50mm)
120mm
55mm
2mm
Rod (2x300mm)
Lock Nut (2mm )
Screw (2x10mm)
Ball joint
Washer(2x5mm)
2
2
Clevis
Aluminum tube(3x6mm)
2
2
Screw (2x10mm)
Nut (2mm )
2
Copper joiner
2
Washer(2x5mm)
Linkage Stopper
Washer (2mm)
Washer (2mm)
Nut (2mm)
Set screw (3x4mm)
Washer ( 2mm )
Set screw (3x4mm)
1
1
1
1
Fuel tank (550cc) 1
Fuel supply line
Fuel spray line
Air pressure line
Mount the fuel tank to the fuselage.
Install the throttle servo.
The sketch map of the engine install completion.
Assembly of the fuel tank.
Set Screw (3x4mm)
Set Screw (2mm)
Rod (2x400mm)
Set Screw (2mm)
Washer (2mm)
Linkage Stopper
1
1
1
1
Washer (4x8mm)
4
Set Screw (3x4mm)
Assemble the accelerator push rod to the engine.
Add a rubber ring to the
clevis for insuring safety
Install the servo of elevator and the switch.
50
5152
52
53
54
10
49
Note:rubber wheels oleo struts
and retracts are optional.
1.5mm
3mm
TP Screw (2.3x12mm)
Main wing joiner 1
2
Wood dowel (6x50mm)
2
2
Blind Nut (6mm)
Screw (6x50mm)
1
Gear door
2
Wheel (100mm)
4
Screw (3x10mm)
Retracts strut
2
Screw (3x10mm)
TP Screw(2.6x14mm) 8
Lock Nut (4mm)
LockNut (4mm)
Wooden Block(25x15x13mm)
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
Screw (2x10mm)
2
Bushing (8X4mm)
Bushing (8X4mm)
4
Wooden Block
PVC part 2
Cut away the surplus parts of plastic cover
carefully along the shaded line.
5mm
Cut away the shaded portion for assembling
the gear house very well.
Reinforcement Plate 1
Install the nylon control horn and connect the linkage.
Secure the servo.Install the nylon control horn
and connect the linkage.
Assemble the wheel and the gear door to the retract.
12 14
13
11
15
3
Accessory list for the coming installation steps.

Main wing joiner
1
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
120mm
18 mm
2
Wood dowel (6x50mm)
6mm
1.5mm
TP Screw (2.6x14mm)
TP Screw (2.6x14mm) 8
Assemble the retract to the main wing.
Drill holes at appropriate position in the wings for fetching
out the servo line and air pipe.
Drill holes at appropriate position in the wings and fix
the wood dowel in them.
Epoxy the wheel house to the wings carefully.
6mm
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.
Epoxy the main wing hardly together with wing joiner.
17
18
19
20
21
4
16
TP Screw (2.3x8mm)
8
TP Screw (2.3x8mm)
Ply (15x15x3mm) 8
5.2mm
Blind Nut
160 mm
Washer (4x8mm)
Washer (4x8mm)
Washer (4x8mm)
Screw (4x35mm)
Screw (4x25mm)
Nut (4mm)
Spring Washer (4mm)
4mm
Blind Nut (4mm) 4
In case of 2-cycle & 4-cycle engine.
4
Blind Nut (4mm)
1
Engine mount (68x105mm)
Linkage Stopper
4
4
12
4
Washer(4x8mm)
Screw (4x35mm)
Spring Washer (4mm)
Nut (4mm)
2
4
Screw (4x25mm)
2
Plastic tube (2x400mm)
Fuel tank (550cc) 1
Nut (2mm) 4
4
Steel wire (0.5x3000mm)
4
8
Copper joiner
Aluminum tube(3x6mm)
1
Clevis 1
Retainer
4
Clevis
4
Screw (2x10mm)
4
Washer(2x5mm)
The side view of the engine install completion.
Drill four holes and set blind nut at diameter in the
firewall for mounting the engine.
Install the engine carefully.
The front view of the engine install completion.
Rod (2X300mm) 1
Drill a hole for assembling the gear cover.
45
46
47
48
9
44
Accessory list for the coming installation steps.

Epoxy a wooden block at appropriate position in fuselage,
and drill a hole in the centre.
1mm
Rudder
Tailing
edge
Cut away the rubber tube when
the epoxy glue dried.
Make sure they are in
the right position while
installing.
Make sure hinges are
mounted in the same line.
3
Pin hinge(2.5x48mm)
90mm 94mm 30mm
2.5mm
3mm
Apply instant type CA glue to rudder and pin hinge
Keep some space about 1mm width between the
tailing edge and the rudder.
2.5mm
Assemble the rudder to the horizontal tail with instant type CA glue.Be
careful to ensure the moving parts of the hinges are able to move freely.
Retainer
The working sketch map of the linkage between
the rudder and the tail gear.
The working sketch map of the linkage between the
arm for elevator and the elevator servo.
39
40
41
42
43
8
38
6.2mm
Blind Nut
1
Stab joiner(12x270mm)
6
Pin hinge(24x24mm)
120 mm
18 mm
6mm
4
Wood dowel (4x30mm)
1
Rib template (3mm ply)
2
2
Blind Nut (6mm)
Screw(6x50mm)
Reinforcement Plate 1
3
Pin hinge(2.5x48mm)
Assemble the wings to the fuselage with screw.
Drill holes at relevant position in the fuselage.
4mm
1
Rib template (3mm ply)
A ccording to thr rib template drill holes to the tail of
fuselage as below.
C=C'
D=D'
D'
C C'
D
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 flihts,
you'll lose control of your airplane which leads
to accidents!
The standard sketch map when the stabilizer and
rudder install completion.
4mm
4
1
U-style wire (25x5mm)
2
Steel wire (0.5x3000mm)
Wood dowel (4x30mm)
23
22 24
25
26
5
Accessory list for the coming installation steps.

Trim slot to appropriate position in the stabilizer .
2x10mm
Glue the elevator to the stabilizer by CA and epoxy.
Assemble the stabilizer to fuselage and take
care to keep it cleanly.
Set the U-style wire through the enlargd hole as below.
2
1
Steel wire (0.5x3000mm)
U-style wire (3mm) Make sure hinges are
mounted in the same line.
Rudder
1mm
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!
6
Pin hinge(24x24mm)
Apply instant type CA glue to elevator and pin hinge.
Keep some space about 1mm width between
elevator and tailing edge.
1
Stab joiner(12x270mm)
3mm
3mm
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
28
29
30
31
27
6
32
The sketch map when tail wheel assemble completion.
Metal arms
1
1
Screw (2x10mm)
Nut (2mm )
1
Copper ball (2mm )
Nut (2mm )
Screw (2x10mm)
Copper ball (2mm )
2mm
Trim the shaded section
Assemble the ball joint to the metal arms.
Epoxy the wooden block to the frame in the fuselage which
below the rudder for fixing the wire of rudder.
Collar
Tail landing gear
Collar
Collar
The sketch map when assemble the tail landing
gear to the wheel steeling mount.
2
Plastical tube(3x50mm)
1
Nose arm(3mm)
Collar (3mm) 3
1
1
Tail landing gear(3mm)
1
Metal wire for rudder
Tail wheel (45mm)
1
Retainer
Rod (2X300mm) 1
TP Screw(3x20mm)
Washer (3x6mm)
4
4
2
Steel wire (0.5x3000mm)
3
2
2
Clevis
Washer(3x15mm)
Lock Nut (3mm )
1
Screw (3x65mm)
2
Copper joiner
3
Pin hinge(2.5x48mm)
8
TP Screw (2.3x8mm) Ply (15x15x3mm) 8
Triangle wood plate
(50x10x10mm) 1
40mm
1.8mm
TP Screw(3x20mm)
Washer (3x6mm)
4
4
1
Wooden Block (6mm Ply)
Triangle wood plate
(50x10x10mm) 1
Wooden Block (6mm Ply)
Triangle wood plate
(50x10x10mm)
1
Wooden Block (6mm Ply)
Assemble the tail gear mount to the frame steadily
with TP screws as illustration below.
36
34
35
33
37
7
Accessory list for the coming installation steps.