Troy Built Models BF-110C ZERSTORER User manual

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!
BF-110C ZERSTORER
Specification:
Length :1817 mm(71.5")
Wing Span :2413 mm(95")
Wing Area :86.79/sq. dm
9.33/sq.ft
Wing Loading :103.78g/sq. dm
34.0oz/sq. ft
Flying Weight :9.0kg(19.8 lbs)
Radio :6ch&11 servos(including two small one)
Engine(a pair) :91 4-cycle

: 4-cycle .91
14"x7
6
(with 13 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.
Apply
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)
3.25 in Spinner
Screw (2x10mm)
Washer (2x5mm)
Nut (2mm )
Washer (2x5mm) Entad
8
Screw (2x10mm)
Washer (2x5mm) 16
8
Nut (2mm )
155mm
2mm
40mm
150mm
4
4
Hatch hinges
Hatch hinges mount
5mm
The illustration for assembing the hatch hinges
and hatch hinge mounts.
Trim the shaded portion so that the bend cutting not
be blocked when the landing gear down.
The front view when the landing gear up.
The sketch map when the model assembly completion.
Mark the position in the landing gear cover and side
fuselage for hatch hinges mount and hatch hinges.
Assemble the hatch hinges and hatch hinges mount
with screw ,washer and nut.
12
13
14
15
21
11
16

40mm
170mm
21mm
2mm
40mm 170mm
21mm
2mm
2mm
16
Screw (2x10mm)
Washer (2x5mm) 32
16
Nut (2mm )
Screw (2x10mm)
Washer (2x5mm)
Nut (2mm )
Washer (2x5mm)
8
Pin hinge (36x20x1mm)
Entad
2mm
16
Screw (2x10mm)
Washer (2x5mm) 32
16
Nut (2mm )
Screw (2x10mm)
Washer (2x5mm)
Nut (2mm )
Washer (2x5mm) Entad
2mm
8
Pin hinge (36x20x1mm)
Cut the shaded portion away from the available
pin hinges and enlarge the holes as below.
Assemdle the pin hinge to appropriate position from
inner landing gear corers.
Drill holes to velevant position in side fuselage and assemble
the landing gear cover to inner side fuselage as below.
The front view when landing gear cover assembled
to side fuselage.
Trim the shaded portions from side fuslage.
Trim the shaded portion from the landing gear covers.
06
07
08
09
10
20
05
Blind Nut (4mm)
2
Engine mount (106x86mm)
Linkage Stopper 8
8
24
8
Washer(4x8mm)
Screw (4x35mm)
Spring Washer (4mm)
Nut (4mm)
4
8
Screw (4x25mm)
4
Plastic tube (2x400mm)
Fuel tank (550cc) 2
8
5.2mm
Blind Nut
8
Blind Nut (4mm)
160 mm
10
Ply (90x80x2mm)
Ply (90x80x2mm) Ply (90x80x2mm)
10
Ply (90x80x2mm)
8
TP Screw (3x20mm) 22
TP Screw ( 2.3x8mm)
Ply (15x15x3mm) 22
2
Wheel (100 mm)
2
Scale exhaust
4
Wood dowel (6x50mm)
Rib template (3mm ply)
1
Washer (4x8mm)
Washer (4x8mm)
Washer (4x8mm)
Screw (4x35mm)
Screw (4x25mm)
Nut (4mm)
Spring Washer (4mm)
4mm
Set Screw (3x4mm)
Set Screw (2mm)
Rod (2x400mm)
Set Screw (2mm)
Washer (2mm)
Linkage Stopper 2
Set Screw (3x4mm)
2
2
2
Assemble the engine as below.
Assemble the accelerator push rod to the engine.
The sketch map of the the push rod assemble
completion
The front view and side view when the engine install
completion.
Drill four holes as show for engine mount.
1
2
3
4
5
1
Accessory list for the coming installation steps.

Fuel tank (550ml) 2
Air pressure line
Fuel spray line
Fuel supply line
Linkage Stopper
Washer (2mm)
Washer (2mm)
Nut (2mm)
Nut (2mm)
Set screw (3x4mm)
Set screw (3x4mm)
2
2
2
2
4mm
4mm
Rib template (3mm ply)
1
8
Wood dowel (4x30mm)
2
Main wing joiner(25x900mm)
Rib template (3mm ply)
1
Assembly of the fuel tank
Assembly of the fuel tank
Install the servo.
Assemble the throttle servos in the fuselage.
According to the rib template drill holes in
the detachable middle wings.
69
8
10
2
Accessory list for the coming installation steps.
7
Screw (3x20mm) 4
8
Pin hinge (36x20x1mm)
40
Screw (2x15mm)
Washer (2x5mm) 80
40
Nut (2mm )
4
4
Hatch hinges
Hatch hinges mount
2
2
Screw (3x20mm)
58mm
Bend cutting mount
Bend cutting
Bend cutting mount
Bend cutting
PVC 1
Thank you for purchasing ESM'S products.
When we designed this model we have fore considered
some of our customers who loves fly it with scale.
So we have provided scale retract and scale gear
doors as optional parts(Customer should purchase
these accessories separately).
Please be kind to find the gear doors installation
diagram below.
Recommend option gear doors installation step.
Notice the position the bend cutting will be,and notice
the gap on the bend cutting mount.
Move the bend cutting to appropriate position
and fix to landing gear.
Trim the shaded portion along the PVC parts carefully.
Epoxy the PVC parts to the fibreplate and cut it into
two parts as below
01
02
03
04
19
Accessory list for the coming installation steps.

4mm
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
4mm
4mm
4
Wood dowel (4x30mm)
Rib template (3mm ply)
1
4
Wood dowel (4x30mm)
According to the rib template drill holes in the side-wings.
8
Pin hinge (36x20x1mm)
8
2
4
2
4
2
4
2
Clevis
Rod (2x300mm)
Retainer
TP Screw (2.3x12mm)
Wooden Block(20x20x8mm)
Servo tray(68.5x56.5x2mm)
Washer(3x15mm)
2
Washer(3x15mm)
Lock Nut (3mm )
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Epoxy the side-wing to the side-fuselage tightly.
2
Main wing joiner(25x800mm)
According to the rib template drill holes in the
side-fuselages and epoxy the wood dowels in them.
Assemble the detachable middle wings to the
side-fuselage tightly.
According to the rib template drill holes in the
side-fuselages and epoxy the wood dowels in them.
12
13
11 14
3
15
Accessory list for the coming installation steps.
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
2
1
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
85mm
AILERON
40mm
FLAP
20mm
20mm
Side View
AILERON FLAP
Pleas notice the inner diameter for each
side of the pressure reduction inlet.
Please insure the sealing of the retract
system before flight .
Centre of Gravity.Adjustment.
95
94
18

4
Pin hinge (36x20x1mm)
Flap
1mm
Make sure they are in
the right position while
installing.
Trailing
edge
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Epoxy the pin hinges to the flap.
Leave some space with width of 1mm between
trailing edge and flap.
Be careful to ensure the moving parts of the hinges
are able to move freely. Epoxy the flap to the main wings.
Install the servo as the illustration below
Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
173mm
Install the nylon control horn and connect the linkage.
The position of the contril horn in the flap if midwing.
17
18
19
20
4
21
16
Collar (5mm) 7
2
Wheel (100 mm)
TP Screw(3x20mm) 8
1
Landing gear (5mm)
Wooden Block(56x29x26mm)
Landing gear straps 4
2
Collar (5mm)
Wooden supporter
Collar (5mm)
TP Screw (3x20mm)
8
TP Screw (3x20mm)
Landing gear straps 4
Collar 4mm 4
Top view
Position for
right diagram.
ELEVATOR
Side View
20mm
20mm
Top view
Side View
25mm
25mm
RUDDER
2
Washer(3x6mm)
Nut (3mm) 1
1
Aluminum mounting (8mm)
Screw (3x20mm) 1
Screw (3x20mm)
Nut (3mm)
Washer(3x6mm)
Aluminum mounting Washer(3x6mm)
Epoxy the main landing gear to the side fuselage.
Install the main landing gear and fix it to the wooden
supporter steadily.
Adjustment.
Adjustment.
Epoxy the scale decorator parts to
relevant position as below.
90
91
92
17
89
93
Accessory list for the coming installation steps.

TP Screw(3x20mm) 8
TP Screw(3x20mm)
1.5mm
Assemble the main landing gear.
16
TP Screw (2.3x8mm)
Ply (15x15x3mm) 16
1.5mm
Epoxy the plies under the covering and assemble
it to side fuselage with screw.
Trim the cowling carefully for engine and exhaust.
Reference fer customers,
we don’t supply accessories.
Nut (4mm)
Wheel (100mm)
Note:rubber wheels oleo struts
and retracts are optional.
2
Nut (4mm )
2
Wheel (100 mm)
2
Bush(8x4mm)
Bush(8x4mm)
1.5mm
TP Screw (2.3x12mm)
3mm
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
Secure the servo.Install the nylon control horn
and connect the linkage.
Assemble the rear wheels.
Trim the shade section of the belly pant for landing gear.
23
25
26
27
5
22
24
10
10
TP Screw (2.3x8mm)
Ply (15x15X3mm)
5
5
TP Screw (2.3x8mm)
Ply (15x15X3mm)
1.5mm
1.5mm
145mm 100mm
100mm
70mm
100mm
3mm
3mm
Epoxy the decoration belly pant parts to the
relevant position.
Cut away the surplus parts of the canopy
alone the shaded line.
Epoxy plies to relevant position inside the fuselage under
the canopy and assemble the canopy with TP screw.
Epoxy plies to relevant position inside the fuselage under
the cowling and assemble the cowling with TP screw.
Drill holes to relevant position in
the bottom of fuselage.
Epoxy the decoration PVC parts to the relevant position.
84
85
86
87
16
83
88

10
TP Screw (2.3x8mm)
Ply (15x15x3mm) 10
1.5mm
TP Screw (2.3x8mm)
Epoxy the exhaust to the cowling from inner of the cowing.
epoxy the ply under cowling and assemble the
cowling to side fuselage.
8
6
2
2
2
4
2
4
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 )
Reinforcement Plate 2
2
Screw (6x45mm)
Main wing joiner 1
Rib template (3mm ply) 1
2
Wood dowel (4x30mm)
2
Blind Nut (6mm)
2
Wood dowel (6x30mm)
The openning direction of exhaust
in the cutside cowling!
Make sure hinges are
mounted in the same line.
6
Pin hinge(24x24mm)
1mm
Aileron
Trailing
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!
4
Hook screw
2
Rubber band
Hook 1
Ply (30x20x9mm) 2
Apply instant type CA glue to aileron and pin hinge.
Keep 1mm width space between aileron and trailing edge.
Assemble the aileron to main wing with instant
type CA glue.
29
32
6
28 30
31
Accessory list for the coming installation steps.
PVC Part 2
PVC Part 2
PVC Part 2
PVC Part 1
15
15
TP Screw (2.3x8mm)
Ply (15x15x3mm)
2
Washer(3x6mm)
Nut (3mm) 1
1
Aluminum mounting (8mm)
Screw (3x20mm) 1
PVC Part 1
1
Aluminum mounting
2
Steel wire (0.5x1200mm)
Assembly of the switch servo.
Assemble the switch servo in the fuselage.
Fix the battery and receiver in the fuselage.
Cut away the surplus parts of the PVC parts
along the shaded line.
The illustration of the steel wire for tail wheel
in the fuselage.
78 81
79
80 80
15
82
Accessory list for the coming installation steps.

Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
158mm
TP Screw (2.3x12mm)
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
1.5mm
3mm
6mm
6mm
2
Hook screw
2
Rubber band
4
Wood dowel (6x50mm)
1.5mm
Rib template (3mm ply)
1
2
Hook screw
2
Rubber band
Ply (30x20x9mm) 2
1.5mm
Install the nylon control horn and connect the linkage.
Install the servo as the illustration below
The position of the control horn in the aileron.
Secure the servo.Install the nylon control horn and
connect the linkage.
According to the rib template drill holes in the outer-wings
epoxy the dowl and set a hook screw in them as below.
Set the hook screw in the ply and epoxy the ply to the
appropriate position as illustration.
According to the rib template drill holes in the side-wings.
34
35
36
37
38
7
33
2
2
Steel wire (0.5x1200mm)
Copper joiner
2
Clevis
2
2
Screw (2x10mm)
Nut (2mm )
2
Washer(2x5mm)
1
1
Air tank
Switch
2
2
Clevis
Copper joiner
2
2
Screw (2x10mm)
Nut (2mm )
2
Washer(2x5mm)
Steel wire
Copper joiner
Lock Nut (2mm )
Screw (2x10mm)
Ball joint
Washer(2x5mm)
Washer(4x12mm)
Screw (4x35mm)
1
Washer(4x12mm)
1
Screw (4x35mm)
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!
AA’
B
B’
A=A’
B=B’
40mm
4.2mm
Blind Nut
1
Blind Nut (4mm)
The standard sketch map will be as below when
the horizontal tail install completion.
Install the servo.
Fix the stabilizer to the fuselage.
Assemble the tail wheel servo into the fuselage.
Assemble the stabilizer to the fuselage and drill a hole in appropriate
position through the stabilizer into the tail fuselage,set a blind nut in it.
74
75
73
76
77
14
Accessory list for the coming installation steps.

Hook 1
4mm
4mm
80mm
30mm
6mm
Main wing joiner
1
2
Wood dowel (4x30mm)
Rib template (3mm ply)
1
6mm
80mm
11mm
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Trim small holes to drag the the servo lines out.
According to the rib template drill holes in the detachable
middle wings and epoxy the wood dowel in them.
Join the detachable diddle wings together tightly
with the main wing joiner.
Drill holes in the appropriate position in the fuselage.
Drill holes to appropriate position in the front of middle
wing and epoxy the wood dowel in them.
Assemble the outer-wing to side-wing tightly by the hook.
40
41
42
8
39
44
43
1
Tail gear supporter
TP Screw (3x14mm) 2
1.5mm
Collar (3mm)
Triangle block 2
4mm
39mm 10mm
4mm
39mm
10mm
2
Matal douel (4x30mm)
Ply (6mm)
Collar (3mm)
Tail gear supporter
Tail landing gear
18mm
Epoxy the triangle block to the ply and then
epoxy them to the form as illustration.
Let the landing gear pass through the middle hole in the tail
gear supporter and fix the tail gear supporter with screw.
Assemble the tail wheel to the tail landing gear.
Drill holes to appropriate in the tail of fuselage as below.
Drill holes in relevant position in the stabilizer
and epoxy the wood dowel in them.
Fix the ply by the collars and notice the distance
between the ply and the steering arms.
69
70
71
72
13
68
67

Triangle block 4
1
Ply (3mm)
Collar (3mm) 2
1
Tail wheel (45mm)
2
Steel wire (0.5x1500mm)
TP Screw (3x14mm) 2
1
Tail gear supporter
20mm
10mm 3mm
1
Ply (6mm)
1
Washer(4x12mm)
1
Screw (4x35mm)
1
Blind Nut (4mm)
32mm
36mm
1
Tail landing gear
1
Ply (3mm)
2
Matal douel (4x30mm)
Rod (2x300mm)
Clevis
Retainer
1.5mm
90mm
1
Ply (6mm)
1
Ply (6mm)
Trim a small slot in relevant position in the
bottom of the fuselage's tail.
Epoxy a ply in appropriate position in the tail of fuselage.
Trim the edge of the opening in the fuselage where
the stabilizer be.
Install the servo as the illustration below.
Assemnle the servo of the elevator.
64
65
66
12
63
62
Accessory list for the coming installation steps.
1mm
Elevator
Make sure they are in
the right position while
installing.
Trailing
edge
8
10
2
2
2
4
2
4
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 )
1
Screw(4x35mm)
1
Washer (4x12mm)
2
Blind Nut (6mm)
1
Reinforcement
6.2mm
Blind Nut
5mm
Screw(6x35mm)
2
Screw (6x35mm)
A = A"
A"
A
4
Pin hinge(24x24mm)
Make sure hinges are
mounted in the same line.
Assmble the reinforcement to relevant position with screw
as below.
The standard sketch map when the main wing install
completion.
Drill one small hole at appropriale position and Apply
instand type CA glue to elevator and pin higes.
According to the reinforcement drill holes under the
back of middle wings and set blind nut in them.
Keep some space about 1mm width between the
elevator and horizontal tail edge.
45
47
46 48
9
49
Accessory list for the coming installation steps.

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.
6
Pin hinge(24x24mm)
1mm
Rudder
Tailing
edge
Make sure they are in
the right position while
installing.
A=A’
Make sure they are in
the right position while
installing.
A
A’
Securely glue together. If coming off during flights, you 'll
lose control of your airplane which leads to accidents!
Apply instant type CA glue to rudder and pin hinge.
Assmble the elevator to the stabilizer with CA gule and
the metal wire with epoxy glue.
Keep 1mm width space between horizontal tail and
rudder.
Assemble the rudder to the vertical tail with CA glue.
Cut off the surplus portion from the vertical tail carefully.
Epoxy the vertical tail to the stabilizer.
50
52
53
54
55
10
51
Clevis
Retainer
Rod (2x300mm)
Screw (2x10mm)
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!
AA’
B
B’
A=A’
B=B’
31mm
28.6mm
30mm
3mm
Rod (2x300mm)
Clevis
Washer(3x15mm)
Washer
Lock Nut (3mm )
Screw (3x35mm)
1.5mm
Screw (2.3x12mm)
The standard sketch map will be as below when
the horizontal tail install completion.
Install the medium servo as below.
Install the nylon control horn and connect the
linkage.
The position of the control horn in the rudder.
Secure the servo,install the nylon control horn
and connect the linkage.
The illustration for how to assemble the control horn.
57
58
56
60
59
11
61
Polish the surface flat.