THE FINEST RADIO CONTROL MODELS
R
*SPECIFICATIONS ARE SUBJECT TO BE CHANGED WITHOUT NOTICE.
No. 21990
INSTRUCTION MANUAL
© 2003 KYOSHO CORPORATION
UNDER SAFETY PRECAUTIONS
This radio control model is not a toy.
This is a kind of machine including a rotor which rotates with
high speed and has a possibility to be dangerous. You are
responsible for this model's assembly, safe operation (place
to fly, frequency) check and adjustment of the model.
Assemble this kit only in places out of children's reach!
Take enough safety precaution before and after operation.
After every flight, inspect screws and nuts for looseness, and
parts for wear. Any damaged parts should be immediately
replaced, repaired or adjusted for safe operation.
Use only Kyosho genuine parts for replacement.
Failing to do so will result in accidents or malfunction of the
model. Kyosho do not take responsibilities for the accidents
and crashes if using the parts which are not Kyosho genuine
ones.
Always keep this instruction manual ready at hand for quick
reference, even after completing the assembly.
For Advanced Flyers
Before beginning assembly, please read these instructions thoroughly.
9
1
19~20mm
39~41mm
33~38mm
2
REQUIRED FOR OPERATION (1)
2
SUITABLE SERVOS
Engine and Muffler
Glow Fuel
Glow Fuel
Sealed Battery
No. 39508
Fuel Filter
No. 94402
Medium Strength
No. 94403
Hard Strength
Loctite
No. 80701
Fuel Pump (Electric 12V)
No. 96506
Ball Diff Grease
No. 80702
Fuel Pump (Manual)
1
Radio for engine-powered R/C helicopters,
and dry batteries
Radio for engine-powered
R/C helicopters
This kit requires an EMS system radio for
engine-powered R/C helicopters with 5
servos and 1 gyro.
For more information the radio, refer to the
instruction manual supplied with the set.
4
Required for engine starting:
5
Glues & Lubricants
6
Useful Additional Equipment
3
Glow Fuel and Fuel Pump
The illustration of the radio shown here is taken from Futaba instructions.
Muffler
.90 size engine for helicopters
Engines for R/C models require glow fuel. Never use gasoline (petrol) or kerosene; both cannot
be used! Also, be very careful when handling glow fuel, as it is highly flammable and explosive!
Fuel should contain at least 15% of nitro metane.
Fuel Pump
model e
ngine fuel
WARNING: Gasoline
or kerosene cannot
be used!
Starter
Screw Locking Compound /
Screw Cement / Threadlocker
Grease
Instant Glue (Super Glue)
12V Battery
No. Z8020 HP 6mm/
HP 6mm Hexagon Reversible Starter Shaft
Starter Shaft
Fuel Filter
Grease
CAUTION: Only use a radio for R/C heli-
copters! (Any other radio is prohibited!)
7
Tools required
REQUIRED FOR OPERATION (2)
Sharp Hobby Knife
1.5mm, 2mm, 2.5mm, 3mm
Hex Wrench (1.5mm, 2mm, 2.5mm, and 3mm)
Phillips Screw Driver (S)Needle Nose Pliers
Awl
Wire Cutters
Glow Plug Wrench
No need to pre-drill!
Drills neat 1 ~ 15mm holes directly!
Handle the tools carefully!
(12V-6.5A)
680 mm
5 mm
12 mm
Extension Cord for
Rudder Servo (300mm)
15 %
1
2
3
4
5
6
7
8
9/B
DSC
D
UAL
ONVERSION
C
PULSE CODE MODULATION
9 CHANNEL
RECEIVER
No.695101
KNIFE EDGE REAMER
Plug Heater
No. 695143
Spark Booster Battery Set
No. 695142
Glow Starter Charger
3
RADIO PREPARATION
Set up the radio as explained below.
1
2
3
4
4
5
6
7
8
9
10
11
1
2
3
4
Set trims to center. (Transmitter)
5
Switch on the transmitter. (Transmitter)
Open the setting menu. (Transmitter)
Set up the data following the illustration. (Transmitter)
6
Switch on the receiver. (Receiver)
7
Make sure the servos move according to
your transmitter inputs.
Switch off the receiver. (Receiver)
Set transmitter sticks to neutral. (Transmitter)
8
Switch off the transmitter. (Transmitter)
Retract the antenna. (Transmitter)
9
10
11
Connect servos to the receiver using the illustration above.
START
FINISH
Transmitter
Reverse Switch
JR
Aileron
Throttle
Normal
Reverse
CH3
Throttle Servo
(GY601 )
Gyro(In GY601 case)
R149DP R149DP Receiver
Receiver Switch
Nicd Battery
Terminal to charge
CH6
Pitch Servo
CH4
Rudder Servo
CH2
Elevator Servo
CH1
Aileron Servo
1
2
3
4
5
6
7
8
9/B
DSC
D
UAL
ONVERSION
C
PULSE CODE MODULATION
9 CHANNEL
RECEIVER
Rudder
Elevator
Pitch
2
3
MDL
Select
Select
1
3
4
2
5
-2
Select
Select SR3 in Swash Type Menu.
SR3
Select MDL to open model menu.
5
-1
AIL , ELE , PIT
Select the way and volume of AIL, ELE, PIT movement.
1024 ZH
In Futaba 1024ZH case.
EMS EMS setting
65 SWASH MIX
3 SERVOS (120¡)
AILE
ELEV
PITCH
In case of JR radio
indicate a direction of swashplate movement.
Figure indicates the volume of Swashplate movement.
+65
-65
-65
1
Read through the manual before you begin, so you will have an overall idea of what to do.
BEFORE YOU BEGIN (1)
4
Check all parts. If you find any defective or missing parts, contact your local dealer or our Kyosho Distributor.
2
How to read the instruction manual:
3
Symbols used throughout the instruction manual, comprise:
4
Apply epoxy glue.
Apply instant glue (CA glue, super glue).
Apply grease.
Apply threadlock (screw cement).
Assemble as many times as
specified (here: twice).
x2
Assemble left and right sides
the same way.
True-to-scale diagram.
Must be purchased separately!
Tempororarily tighten.
Drill holes with the specified
diameter (here: 2mm).
Pay close attention here!
Part bags used.
Cut off shaded portion.
2mm
Example
Assemble in the specified
order.
Key Number, Part Name, True-to-scale
Diagram, Quantity Used
This instruction manual uses seve-
ral symbols. Please note them
during the entire assembly.
All parts except screws are identified by
key numbers. For purchasing spare parts,
find the key no. of the part needed in the
spare part list and refer to the left column
to look up the corresponding order no.
CA-B,CA-7
19
M3-8
M3-8 Linkage Ball
3x8x4mmF
Flanged Ball Bearing
4
2x5x2.3mmF
Flanged Ball Bearing
4
x2
2
451
Washout Arm
2x5mm
2x5mm
4
2x5mm
Cap Screw
715
715
451
650
715
716
716
716
651
pre-assembled bearing
BEFORE YOU BEGIN (2)
5
Self-tapping (TP) screws cut threads into the parts when being tightened. Excessive force may
permanently damage parts when tightening TP screws. It is recommended to stop tightening when
the part is attached or when some resistance is felt after the threaded portion enters the plastic.
7
The threads are stripped.Overtightened.
Correct
Wrong
This kit contains screws and hardware in different metric sizes and shapes. Before using them, check the screws on the true-to-scale diagrams on the
left side in each assembly step. Some screws are extras.
6
SCREWS
Screw
Cap Screw
TP
Self-tapping (TP) Screw
TP
TP F/H Screw
Set Screw
OTHER HARDWARE
3x12mm
Screw
3mm
12mm
Flat Head (F/H) Screw
3mm
Washer Nut
3mm
5x10mm
Metal Bushing Bearing
5mm
10mm
4mm
E4
E-ring
6,000
ABOUT THE "PERSONAL FREQUENCY MONITOR"
LED
Before operating your helicopter, plug the crystal of your
frequency into the Personal Fre-quency Monitor. As soon
as you switch it on, you'll know for sure through an interfe--
rence signal and LED lamps whether somebody else is on
your fre-quency or not!
PERSONAL
BAND MONITOR
40MHZ
OFF
ON
KYOSHO
CORPORATION
No.80591
JRMSA
77
KYOSHO CORPRATION
No.80591 (40MHz)
No.80592 (72MHz)
Special crystals are
available at Kyosho!
Inside the kit, you will find assemblies, i.e. sections that are pre-assembled
and hence consist of more than one part. To make sure these assemblies
are safely assembled, check among others their screws for looseness. Only
then, build in the assemblies.
5
3x10mm
8
3x4x4.5mm
Collar
1
2
Ladder Frame
Part bags used.
12x24x6mm
Ball Bearing
2
7x17x5mm
Ball Bearing
2
3x10mm
Cap Screw
8
MF-1
MF-1
Ladder Frame
3x10mm
Note the direction!
991
708
708
707
707
602A
604
708
647
647
6
Apply threadlock
(screw cement).
In Order to understand full assembly sequence, this instruction manual shows the complete assembly of this model,
even though some elements are supplied pre-built. please refer to it when carrying out maintenance or replacing parts.
707
708
647
Ball Bearing pre-installed
603A
602A
602A
603A
1002
4x10mm
3
4
Ladder Frame
Servo Plate
Part bags used.
3x10mm
Cap Screw
6
3x6mm
Cap Screw
5x11x5mm F
Flanged Ball Bearing
20
2
3x10mm
4x10mm
Cap Screw
2
3x10mm
Cap Screw
4
Assemble left and right sides the same way.
Temporarily tighten.
709
MF-1,TL-9
MF-1
3x10mm
3x14mm
3x6mm
3x6mm
Short Body Mount
3x10mm
3x10mm
3x6mm
3x14mm
glued
Outside
Inside
3x6mm
7
Apply threadlock
(screw cement).
4
3x14mm
Set Screw
699
698
1005
727
727
727
991
605
607
709
1003
1005
1005A
1004
609A
5
6
MF-2
Pulley
MF-2
Part bags used.
10x19x5mm
Ball Bearing
2
7x13x1.1mm
Counter Gear Collar
1
1
3x4mm
Set Screw
1
3x5mm
Set Screw
710
851
Apply grease.
Be careful not for being bent.
Pulley
Be certain to apply 96506 ball diff.grease
3x8mm
Cap Screw
4
8
Apply threadlock
(screw cement).
A
A
3x4mm
3x8mm
3x5mm
Pay close attention here!
pre-assembled
848
849
710
615
614
856
613
851
710
91
7
8
MF-3
MF-4
Main Mast
Part bags used.
1
1
3x12mm
Cap Screw
4x25mm
Cap Screw
2
12x21x5mm
Ball Bearing
4x25mm
3x12mm
2x6mm
4mm
Must be purchased
separately!
Assemble in the specified
order.
3
2
1
2
5
4
3
1
994
Clutch
Note:
Be sure to install
tightly
against upper bearing.
pre-assembled
pre-assembled
621
621
621
743
621
712
712
992
995
712
623
625
91
3x6mm
Cap Screw
2
3x6mm
3x6mm
1
4mm
Nylon Nut
1027
pre-assembled
9
Apply threadlock
(screw cement).
Engine.
Supplied with the engine.
742A
934A
MF-3
Part bags used.
9
Assemble left and right sides the same way.
3x12mm
3x12mm
10
MF-5
Cooling Fan
Frame
Every Screw
12
3x12mm
Cap Screw
713
999
782
4mm
4mm
4mm
Nylon Nut
1
1
2
4x35mm
Cap Screw
4x10x1mm
Washer
Temporarily tighten.
Ball Bearing pre-installed
713
4x35mm
4mm
1012
6x13x5mm
Ball Bearing
2
713
10
Apply threadlock
(screw cement).
MF-4
MF-5
Part bags used.
12
11
6
4x10mm
Cap Screw
4
4x15mm
Cap Screw
4x15mm
Assemble left and right sides the same way.
Engine Installation
Engine Installation
4x10mm
3 4
3
4
Remove the Rudder Frame at by losing screws.
997
998
996
856
1003
Assemble in the specified
order.
4
5
3
2
Be careful not for being bent.
Strain this way lightly.
1003
11
Apply threadlock
(screw cement).
1
Part bags used.
Assemble left and right sides the same way.
13
14
CA-5
CA-5
Seal Washer
1
1
127
127
126
125
Seal Nut
128
128
128
128
128
Tightten after assembly has been inserted in fuel tank
Fixing the Rudder Fram (F) at after install fuel tank.
Carburetor
Muffler
2
A
Tank Holder (A)
2
B
Tank Holder (B)
12
Apply threadlock
(screw cement).
130
634
633
636
635
637
637
636
1003
4
1003
451
450
3x8x1mm
3x12mm
3x8x1mm
3x12mm
3x5mm
3x5mm
3x5mm
Elevator Lever
13
3x5mm
Do not tighten excessively.
641
639
640
990
450
450
450
450
989
110
110
450
451
110
640
5x10x4mm
Ball Bearing
4
M3-5
M3-5 Linkage Ball
M3-8
M3-8 Linkage Ball
1
8
x2
1000
Every Screw
Every Screw
Ball Bearings pre-installed
5mm
3mm
3x6mm
A
5mm
4x4mm
A
122A
122A
122A
3mm
3x6mm
Pay close attention here!
15
CL-2
CL-2
167
Elevator Lever
17
Part bags used.
4
3x5mm
Set Screw
4
3x8x1mm
Washer
5x7x0.2mm
Washer
3x6mm
Cap Screw
2
1
4
2
4x4mm
Set Screw
MF-6
Apply threadlock
(screw cement).
4
3x12mm
Cap Screw
Apply instant glue
(CA glue, super glue).
2
x2
Assemble as many times as
specified (here: twice).
3x6x0.5mm
Washer
CL-4
18
CL-3
CL-4
Swash Plate
20
Part bags used.
2
x2
Assemble as many times as
specified (here: twice).
14
Apply threadlock
(screw cement).
19
M3-8
M3-8 Linkage Ball
3x8x4mmF
Flanged Ball Bearing
4
2x5x2.3mmF
Flanged Ball Bearing
4
x2
2
451
Washout Arm
Washout Arm
2x5mm
2x5mm
4
2x5mm
Cap Screw
715
715
451
649A
650
715
716
716
716
651
bearing / pre-assembled
pre-assembled
Every Screw
M3-5
M3-5 Linkage Ball
M3-8
M3-8 Linkage Ball
5
2
1
In order to clearing play on
No. 648A upper and lower
plate, pressure to bearings
are applied. (You may feel it
is not smooth but it is in a
normal condition)
Pay close attention here!
450
450
451
451
451
450
451
451
451
E 1.5
E 1.5 E
E-ring
3mm
3mm
3x12mm
3x12mm
Cap Screw
2
3x5x0.5mm
Washer
4
Assemble left and right sides
the same way.
823A
744A
648A
3x3mm
32mm
649 653
Please reverse
653
when
649
does not move smooth.
approx. 32mm
649
Radius Plate
3x8mm
Cap Screw
2
2
3x8x0.5mm
Washer
Parallel
Front
Parallel
Front view
Fix Radius Plate and Main Mast
become parallel.
3x8mm
3mm
3mm
653
988
988
988
988
934A
934A
934A
10051005
Apply threadlock
(screw cement).
21
1
Part bags used.
Temporarily tighten.
3x3mm
Set Screw
22
CL-3
CL-4
15
Note the different hole sizes in .
Part bags used.
16
Apply threadlock
(screw cement).
x2
Assemble as many times as specified
(here: twice).
Main Rotor Head
23
Main Rotor Grip
3x8mm
Cap Screw
3x8mm
x2
pre-assembled
pre-assembled
M3-11
M3-11 Linkage Ball
2
2
983
982
724
986
977
979
978
980
687
724
Large Small
4
8x19x6mm
Ball Bearing
2
9x19x6.55mm
Thrust Bearing
2x6mm
8
2x6mm
Cap Screw
3x6mm
3x8mm
3x6mm
3mm
3mm
3x5x0.5mm
Washer
2
2
3x8x4mm
Ball Bearing
2
4x9x4mm
Ball Bearing
3x8mm
3x6mm
Every Screw
Every Screw
24
3x6mm
Cap Screw
1
3x8mm
Cap Screw
2
3x6mm
Cap Screw
4
pre-assembled bearing
1019
1018
1019
1019
1018
1018
1018
1018
1023
1023
1023
1016
1016
1016
Part bags used.
Apply threadlock
(screw cement).
Assemble left and right sides
the same way.
27
HE-1
Hiller Control Lever
2 ( )
x2
x2
Assemble as many times as
specified (here: twice).
pre-assembled
Warning!
Do not overlook this symbol!
17
Main Rotor Head
25
2
Seesaw Damper
661
661
661
981
26
Main Rotor Head
2
5x10mm
Cap Screw
5x10mm
2
8x16x2mm
Collar
2
5x12x2mm
Spindle Washer
Warning!
Be sure to tighten 4x10 cap screws.
If coming off during flights, you lose
control of your airplane. It may lead
accidents!
¡)
M3-13.5
M3-13.5 Linkage Ball
2
1024
214A
1014
1014
1012
1012
1024
*CA6509 Seesaw Damper (70¡) as optional
parts for quick response.
28
HE-1
18
29
HE-1
30
HE-1,TL-8
Stabilizer Blade
2 ( )
x2
x2
x2
Assemble as many times as
specified (here: twice).
bearing / pre-assembled
4
4x9x4mm
Ball Bearing
M3-5
M3-5 Linkage Ball
4
450
450
704A
663
216
216
987
450
Mixing Lever
Part bags used.
Apply threadlock
(screw cement).
Main Rotor Head
A
4x4mm
4x4mm
4x4mm
4x4mm
4mm
4mm
4
4x4mm
Set Screw
Temporarily tighten
A
4mm
4mm
4
4x7x0.5mm
Washer
1016
1016
1016
1022
4x22mm
33
Part bags used.
HE-1
Main Rotor Head
19
4x4mm
HE-1
4x22mm
Cap Screw
Temporarily tighten.
Assemble left and right sides
the same way.
1
1
4mm
Nylon Nut
32
Main Rotor Head
4mm
Pay close attention here!
1
3
2
Assemble in the
specified order.
Parallel
Parallel
Parallel
Tighten set screw so that Stabilizer Blades are equally spaced.
approx. 27mm
Ensure that and are parallel.
663
663
663
663
663
663
663
216
31
Stabilizer Blade
2
4x4mm
Set Screw
214A
214A
214A
214A
35
HE-1,CL-5
Adjustable Rod
34
Phase Adjustment
B
D
D
D
D
C
2
2.3x15mm
Adjustable Rod
3
2
2.3x50mm
Adjustable Rod
139
x2
x2
x1
A
A
5mm
46mm
approx. 46mm
21mm
approx. 21mm
31mm
approx. 31mm
955
245
2.3x40mm
Adjustable Rod
B
B
C
C
B
B
1015
1025
C
D
D
2
2.3x65mm
Adjustable Rod
139
Adjust this place in order ,
and are in line
Part bags used.
Assemble left and right sides
the same way.
x2
Assemble as many times as
specified (here: twice).
True-to-scale diagram.
This portion is cut in kit
20
A
A B
A B
B
139
139 139
25mm
approx. 25mm
139
139
25mm
approx. 25mm
A
A
1022
1022
1022
Cut off shaded portion.
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