Century Helicopter Products Radikal G20 User manual

Brand
Century Helicopter Products
Model
Radikal G20
Type
User manual
Weight savings compared to standard belt driven tail.
Metal elevator arm.
Higher efficiency.
Improved rudder control system.
Dual supported tail pitch plate.
New vertical tail fin.
Smoother tail pitch plate geometry.
Stainless steel torque tube with new bearing capture system.
Version 1.00
© 2011 Century Helicopter Products - All rights reserved.
TORQUE TUBE
CONVERSION
FEATURES:
Torque Tube Conversion
Page 2
INTRODUCTION
Century Helicopter Products warranties that the Products purchased (the “Product”) will be free from defects in materials and workman-
ship 30 days from the date of purchase by the Purchaser.
Warranty Period
(a) This warranty is limited to the original customer (“Purchaser”) and is not transferable. REPAIR OR REPLACEMENT AS PROVIDED
UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF T HE P URCHASER. This warranty covers only those Products purchased
from an authorized Century Helicopter Products dealer. Third party transactions are not covered by this warranty. Proof of purchase is
required for warranty claims. Further, Century Helicopter Products reserves the right to change or modify this warranty without notice
and disclaims all other warranties, express or implied.
(b) Limitations- CENTURY HELICOPTER PRODUCT MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-
INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCT. THE PURCHASER ACKNOWLEDG-
ES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER’S
INTENDED USE.
(c) Purchaser Remedy- Century Helicopter Products’s sole obligation hereunder shall be that Century Helicopter Products will, at its
option, (i) repair or (ii) replace, any Product determined by Century Helicopter Products to be defective. In the event of a defect, these
are the Purchaser’s exclusive remedies. Century Helicopter Products reserves the right to inspect any and all equipment involved in
a warranty claim. Repair or replacement decisions are at the sole discretion of Century Helicopter Products. This warranty does not
cover cosmetic damage or damage due to acts of God, accident, misuse, abuse, negligence, commercial use, or modification of or to any
part of the Product. This warranty does not cover damage due to improper installation, operation, maintenance, or attempted repair by
anyone other than Century Helicopter Products. Return of any goods by Purchaser must be approved by Century Helicopter Product s
before shipment.
Limited Warranty
Pre-assembly Information
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Various assemblies have been pre-assembled however, only as a reference assembly. Final assembly is up to the user. Installation onto
the particular parts, screws and nuts required for each step are packaged in the same bag as the parts. Be careful when opening each
bag as not to lose any hardware. Care has been taken in filling and packing of each bag however mistakes do happen. If there is a parts
shortage or missing hardware please contact us at:
General Guidelines
Apply thread lock to all metal to metal thread contact points. Do not apply CA (cyanoacrylate) glue or thread lock to ny-lock nuts (metal nuts
with plastic inserts). Diagrams indicated by bounding boxes for screws, bearings, etc. are illustrated at a 1-to-1 ratio. All other illustrations
are not drawn to scale. Throughout this manual, you will find building tips. Please follow the tips and use common sense when building.
Century Helicopter Products
1740-C Junction Ave.
www.centuryheli.com
San Jose, CA. 95112
Thank You
Thank you for purchasing the newest addition to the optional Radikal parts. This torque tube conversion provides additional efficiency to
try and squeeze every last drop of performance for your motor/engine. Besides the additional pieces required for the conversion, we’ve
incorporated some improvements to the design as well. This kit also comes standard with the metal elevator arm. Improvements in
geometry of the tail control system are incororporated into this conversion resulting in smoother rudder control operation.
Torque Tube Conversion
Page 3
TRANSMISSION BOX ASSEMBLY
Do not open all the bags prior to starting assembly. Open the bags step by step as you go through the instruction manual. The
components are bagged to make assembly easier. Make sure to apply threadlock to any screws going into metal.
1
2
3
4
5
6
3
7
8
9
10
11
13 12
5x6x3.15
Ø2X9 Pin
CNBB1521
CNBB510
CNM3x4SS
CNM3x16CS
M3 CNM3LOCK
1
1
2
3
4
5
6
7
8
9
10
11
12
5x6x3.15 Spacer(固定套)
HW6007GS
CNM3X4SS
20T Bevel Gear(20T 伞齿轮)
CNBB1521 15x21x4 Bearing( 轴承)
CNM3x16CS
1
1
2
4
1
4
1
Bevel Gear Shaft(伞齿轮轴)
2
21T Gear(正齿轮)
2
2
Ø2X9 Pin(圆柱销)
4
M3X4 Set Screw( 无头角螺丝)
M3X16 Cap Screw( 杯头螺丝)
Upper Transmission Case( 尾管夹片)
HI6060C
HW3057A
M3 Locknut(M3 螺母)
CNM3LOCK
HW6059A
HW6059A
HI6533A
HW6059A
CNBB510 5X10X4 Bearing( 轴承)
L=52.5mm Hex Spacers( 六角铝柱)
No. Description Qty
Part #
5
13
HW6062GG
HW6062G3G
20G Tail Boom L=743mm(20G 尾管)
30G Tail Boom L=813mm(30G 尾管)
1
1
Torque Tube Conversion
Page 4
RUDDER CONTROL ROD
NOTICE SIZE OF HOLES ON BALL LINKS
THE SIDE WITH THE SMALLER HOLE
SHOULD FACE OUTWARDS
CA
CNM3x10CS
CNLR1013
CNM2.3x12ST
CNM3x14BHCS
CNM2x8PH
CNM3x8ST
M3 CNM3LOCK
1
2
3
4
6
7
8
9
10
11
12
No. Description Qty
Part #
5
13
Tail Servo Mount (尾翼伺服机座)
CNM2.3X12ST
HI6080B
CNM3x10CS
HI3205A
M3X10 Cap Screw( 杯头螺丝)
Servo Mounting Plate(伺服机固定板)
M2.3x12 Self Tapping Screws( 尖尾自攻螺丝)
M2x8 Phillips Screw( 圆头十字螺丝)
Tail Control Rod( 尾舵控制连杆)
HI6634
Tail Boom Support Strut End( 连杆头)
HI6634
Steel Ball 2mm Thread(M2 球头螺丝)
CNLR1013
Adjustable Tail Guides( 尾拉杆固定座)
Horizontal Fin Mount( 水平翼固定座)
M3x14Button Head Screw( 圆头内六角螺丝)
CNM3x14BHCS
M3 Locknut(M3螺母)
CNM3LOCK
M3x8 Self Tapping Screws( 尖尾自攻螺丝)
CNM3x8ST
CNM2X8PH
HI6068A
HI6106B
2
2
2
4
2
1
2
1
2
1
1
1
2
3
9
1
2
11
4
10
13
12
8
7
6
5
Torque Tube Conversion
Page 5
TORQUE TUBE
CA
1
2
3
4
5
6
Ø2X9 Pin
CNBB510
1
2
3
4
6
No. Description Qty
Part #
5
1
1
1
1
2
2
L=750mm Stainless Steel Tube(空心不锈钢管)
CNBB816 8X16X5 Bearing(轴承)
Rubber Bearing Retainer(橡胶尾管塞)
Bearing Sleeve(轴承内轴套)
Dog-Bone End ( 勾股球头)
HW6063D
HI6065B
Ø2X9 Pin(圆柱销)
HW6063D
HW6063D
HW6063D
Bearing Position 5 ~ 7cm
Center of Torque Tube
Oil
Bearing
Apply CA to inner race of
bearing and glue in place
Tail boom
Front of Helicopter Back of Helicopter
Apply CA glue to the inner race of the bearing and glue in place as indicated. Make sure not to get
any CA glue onto the dust shield/balls of the bearing. When inserting into the boom, use silicone lube.
Torque Tube Conversion
Page 6
TAIL GEAR BOX
1
2
3
45
6
7
8
9
10
11
5
12
13
14
15
16
17
18
19
20
21
22
23
24
25
CNBB1521
CNLR1014
CNM3x8BHCS
CNM3x35CS
CNM3x4SS
Ø2x9
CNBB37F
CNM2.5x8CS
M3 CNM3LOCK
3x5x0.5
CNBB1350
1
2
3
4
6
7
8
9
10
11
12
No. Description Qty
Part #
5
15
16
17
18
19
20
21
22
23
24
25
HW6073C Tail Shaft(尾翼轴)
Threaded Spacer( 铝柱)Ø5x27
HW6078B
HW6074B 5x6x12.85mm Fixed Set Of( 固定套)
HW6059A Ø2X9 Park Pin( 圆柱销)
HW3057A 20T Bevel Gear(20T 伞齿轮)
5x13x4 Bearing( 滚珠轴承)
CNBB1350
Metal Bearing Sleeve( 金属轴承套)
HW6078D
1
2
13
14
CNBB0730T 3X7X3 Bearing( 带边轴承)2
1
2
1
Vertical Fin(垂直翼)1
Tail Boom Positioning Block(尾管定位块)1
2
HI6078B L=26.5mm Hex Spacers(六角铝柱)
7
8
2
9
Gearbox Side Plate(齿轮箱侧板)2
10
11
CNBB1521
2
M3X8 Button Head Screw( 圆头螺丝)
12
HI6079 2
CNM2.5X8CS 2
M2.5x8CS Cup Screw(杯头螺丝)
CNLR1014 1
L=9.6mm M3 Linkage Ball(9.6 球头螺丝)
Tail Gear Box(后齿轮箱)
15x21x4 Bearing( 轴承)
Bearing Spacer(轴承间隔套)
M3X35 Cup Screw(杯头螺丝)
Last Rod Arm(尾拉杆摆臂)
Special Driver Screw( 驱动螺丝)
CNM3X35CS
CNM3X4SS 1
M3X4 Set Screw(无头螺丝)
CNM3LOCK 2
CNLR1003 3X5X0.5 Washer( 垫片)2
4
M3X8 Button Head Screw (圆头螺丝)
CNM3X8BHCS
CNM3X8BHCS
HI6078C
HI6067B
HI6078C
HI6078C
M3 Lockmut(M3 螺母)
HI6102B
HI6102B
1
1
1
1
1
2
Torque Tube Conversion
Page 7
TAIL GRIPS/PITCH PLATE ASSEMBLY
1
2
3
4
6
7
8
9
10
11
12
No. Description Qty
Part #
5
15
16
17
18
19
20
13
14
7
8
9
10
11
12
CNM3LOCK
CNM3X4SS 1
M3X4 Set Screw( 无头螺丝)
HI3087C 1
Copper nut(铜螺母)
1
CNBB610 2
1
1
2
CNM2X10PH
HW3098A
2
2
2
1
CNBB410
HI6096A
CNM3X18CS
CNBB49T
CNBB0930
4X10X4 Bearing( 轴承)
Tail Rotor Grip( 尾旋翼夹片)
2
2
2
2
2
Bering(轴承座)
6x10x3 Bearing( 轴承)
Copper Screw(铜螺丝)
Control Arm(控制臂)
Link(连杆)
2x3x4 Copper sleeve( 铜套)
M3X18 Cup Screw( 杯头螺丝)
4X9X4 Thrust Ball(止推轴承)
3x10x1.5 Micro Washer( 垫片)
3X9X2.5 Bearing( 轴承)
Tail Rotor Blades( 尾旋翼)
HI3087C
HI3087C
HW6204A
HI6099A
4
2
4
CNLR1003 3X5X0.5 Washer( 垫片)2
M3 Lockmut(M3 螺母)
Ø2X8 Park Pin( 圆柱销)
CNM2PIN
M2x10 Phillips Screw( 圆头十字螺丝)
Steel Tail Rotor( 尾旋翼中心座)
HI3089A
HI3089A
HI3087C
2x3x4
3x10x1.5
M3 CNM3LOCK
CNBB0930
3x5x0.5
CNBB49T
CNBB410
CNBB610
M6 HI3087A
CNM3x18CS
CNM3x4SS
Ø2x8
CNM2x10PH
1
32
4
5
6
7
8
9
10
11
14
13
16
15
17
18 19
12
20
CA
Use Medium CA to se-
cure the ends of the
pins.
CA
Only use 1 set screw!
Do not over-tighten!
Torque Tube Conversion
Page 8
REAR FRAMES ASSEMBLY
CA
1
2
6
3
4
5
7
8
9
10
CNBB25F
CNM3x8BHCS
CNBB812F
Ø2x24
CNM2.3x12ST
1
2
3
4
6
No. Description Qty
Part #
5
HI6145 Plastic Ball Link(塑料连杆头)
Metal A-Arm(金属A形臂)
Elevator Block For A-Arm(A 型控制臂座)
HI6032GG
HI6032GG
Ø2X24 Pin( 圆柱销)
HI6032G
CNM2.3X12ST M2.3x12 Self Tapping Screws( 尖尾自攻螺丝)
2X5X2.3 Elevator Lever Flange Bearing( 带边轴承)
CNBB25F
HI6116RCG
HI6116LCG
7
8
9
10
Elevator Lever Flange Bearing( 带边滚珠轴承)
CNBB812F
M3X8 Button Head Screw (圆头螺丝)
CNM3X8BHCS
Rear Side Frame Set G20 R(20G 右后侧板)
Rear Side Frame Set G20 L(20G 左后侧板)
1
1
1
1
1
2
1
2
1
8
When this section is completed, reinstall your horizontal fin and use zip ties to secure the rudder
control rod supports. Be sure to examine your model and adjust your elevator linkage rods to
ensure a properly working helicopter. Make sure your rudder control is operating in the right
direction.
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Century Helicopter Products Radikal G20 User manual

Brand
Century Helicopter Products
Model
Radikal G20
Type
User manual
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