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Century Helicopter Products Radikal G30 Manual

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Kit Features:

Lightweight yet extremely strong carbon fiber frames.
High gloss large diameter 25mm tail boom with belt drive system.
Blade grips accommodate blades 14mm to 16mm blade roots.
300 mL fuel tank for long engine run time.
Convenient and easy access to spark plug.
Triple bearing supported blade grips and tail blade grips.
Machined center dual ball bearing swashplate for 120 degree CCPM.
Adjustable bell-hiller ratio allows tuning for preferred cyclic response.
Tunable flight characteristics for stability or speed.
VERSION 2.0
© 2013 Century Helicopter Products - All rights reserved.

Specifications:

Length: 1397mm
Height: 432mm
Width: 260mm
Main rotor diameter: 1580mm
Tail rotor diameter: 282.5mm
Main rotor blades: 690mm-720mm
Tail rotor blades: 95mm
Version 1.00

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Summary of Contents for Century Helicopter Products Radikal G30

  • Page 1 Machined center dual ball bearing swashplate for 120 degree CCPM. Tail rotor blades: 95mm Adjustable bell-hiller ratio allows tuning for preferred cyclic response. Tunable flight characteristics for stability or speed. Version 1.00 © 2013 Century Helicopter Products - All rights reserved.
  • Page 2 Thank You Congratulations on the purchase of the latest Century Gasser series, the Radikal G30. You’re about to build one of the world’s lightest fully functional 3D aerobatic helicopters powered by the Zenoah 23 to 30cc gasoline engine. Be sure to read through and follow the instructions during the build.
  • Page 3 (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.
  • Page 4 Radikal G30 v.2 AMA RULES & REGULATIONS General 1) I will not fly my model aircraft in sanctioned events, air shows or model flying demonstrations until it has been proven to be airwor- thy by having been previously, successfully flight tested.
  • Page 5 Radikal G30 v.2 HEAD ASSEMBLY (FLYBAR HEAD) BAG 1 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. The next few pages will pertain to the assembly of the head. Please follow the instructions based on the head type you own.
  • Page 6 HEAD ASSEMBLY (FLYBAR HEAD) Radikal G30 v.2 BAG 1 Pushrod assembly (parts 4 through 6) is already assembled but check that the length is actually 43mm (center to center). As the pushrods are built and installed they should be checked for tightness.
  • Page 7 HEAD ASSEMBLY (FLYBAR HEAD) Radikal G30 v.2 BAG 1 There are two types of dampeners provided. The hard black plastic dampeners (HI6520A) should only be used for hard 3D flying. If using the hard plastic dampeners, use only one of the (HW6182) 8x13 spacer. Press in the head dampers into the rotor...
  • Page 8 HEAD ASSEMBLY (FLYBAR HEAD) Radikal G30 v.2 Insert the sleeve into the head block, then slide the washout guide and the rotor head onto the main shaft. Insert the M4x22 shouldered socket cap screw through the rotor head hub mak- ing sure the sleeve is aligned and secure with one M4 locknut.
  • Page 9 Radikal G30 v.2 WASHOUT AND SWASHPLATE (FLYBAR HEAD) It is up to you to determine whether this assembly is correct. Please make sure to check it prior to installation. CNLR1014 M3x5x3 HI6205 CNBB0730 M10x12x5 HI3152C M3x5x0.5 CNLR1003 CNM3x16BHCS M3 L=18MM M3 L=9.5MM CNLR1019...
  • Page 10 These measurements are the same for all fly- bar versions of the Radikal G30 heads. These measurements are provided as a guideline and should be fine tuned.
  • Page 11 HEAD ASSEMBLY (FLYBARLESS HEAD) Radikal G30 v.2 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. The next few pages will pertain to the assembly of the head. Please follow the instructions based on the head type you own.
  • Page 12 HEAD ASSEMBLY (FLYBARLESS HEAD) Radikal G30 v.2 BAG 1 M3X12CS Part # Description CNM4x22CS CNM4LOCK M4 Lock-nut(M4 螺母) Main Axle Aluminum Wrap ( 主轴铝套) CN2520-5 10mm Main Shaft( 主轴) HW6053B CNM4LOCK CNM4x22CS M4x22 Cap Screws( 杯头内六角螺丝) CNM3x12CS M3x12 Cap Screws( 杯头内六角螺丝)
  • Page 13 HEAD ASSEMBLY (FLYBARLESS HEAD) Radikal G30 v.2 BAG 1 Follower arms come presassembled. Make sure to apply threadlock to the bolts and set screws. There is no need to press the bearings out. CNM3x3SS M3x5x3 HI6205 Part # Description CNLR1003 3x5x0.5 Micro Washer( 垫圈)
  • Page 14 HEAD PUSHROD LENGTHS (FLYBARLESS HEAD) Radikal G30 v.2 CNLR1014 M3 L=18MM Description Part # M3 Ball Link L=18MM(M3 球头螺丝) CNLR1021 HW6146GA Dual Ball Bearing Swashplate(十字盘) M3 Ball Link(M3 球头螺丝) CNLR1014 Ball Link Set(26 Long,4 Short)(A 型控制臂座) HI6145 HW6192A L=45mm Pushrod Set( 连杆)
  • Page 15 SKELETAL SUPPORT BRACES Radikal G30 v.2 BAG 2 BAG 2 FLYBAR HEAD This bearing is already pressed into the bearing COMES block. Notice the way the PRE-ASSEMBLED bearing block is facing. COMES PRE-ASSEMBLED FLYBARLESS HEAD Description Part # CNBB1022 Bearing(滚珠轴承)10x22x6 HW6042GL3 Lower Main Shaft Bearing Block (主轴下轴承座)
  • Page 16 CLUTCHSHOE AND FAN ASSEMBLY Radikal G30 v.2 BAG 2 & 3 Attach the cooling shroud mounting plate first, making sure it is installed in the correct po- sition. The drilled beveled holes must match with the bevel head screws. Clean the crank shaft on the engine with alcohol, then apply a very small coating of oil to the crank shaft 6.5x13x1...
  • Page 17 MOUNTING MOTOR Radikal G30 v.2 BAG 2 When installing the engine assembly to the frames, do not tight- en one side all the way leaving the other side completely loose. Tighten the M4x20 bolts on either side of the frames evenly moving from one side to the other.
  • Page 18 Radikal G30 v.2 REAR SIDEFRAME (LEFT) BAG 3 Flanged bearing already pressed into frames. Make sure the flange is facing inwards. This bearing is already pressed into the bearing block. Attach the left sideframe as shown and apply medium threadlock to all the screws.
  • Page 19 Radikal G30 v.2 MAIN GEAR ASSEMBLY BAG 3 Drop some medium threadlock into the Be sure to clean the inside and outside of the main shaft four holes on the driven tail hub. Then sleeve with alcohol prior to installation.
  • Page 20 ATTACHING HEAD AND MAIN GEAR ASSEMBLY Radikal G30 v.2 BAG 3 Apply grease to the thrust bearing. Place the Main Gear assembly into the frames. Insert the main shaft with head assembly through the bearing blocks while lining mast stopper while going through the Main Gear assembly.
  • Page 21 FUEL TANK Radikal G30 v.2 BAG 2 Pay close attention when assembling the fuel tank. The vent tube must be bent and facing upwards when installed into the rubber stopper. There are 3 holes on the rubber stopper but notice only 2 are through holes.
  • Page 22 REAR SIDEFRAME (RIGHT) Radikal G30 v.2 BAG 2 Note: If you experience any bind- Assemble the aileron bellcranks by first pressing in the 3x7x3 bear- ing in the bellcranks after assem- ing followed by the 3x5x7.5 spacer. Install the remaining bearing bly, please use the supplied 3mm along with the metal balls.
  • Page 23 CLUTCHBELL ASSEMBLY Radikal G30 v.2 BAG 2 CNBB1015 CNM4x4SS CNBB513 CNBB1524 CNBB511 The Radikal uses the starting shaft and hex coupler to align the clutch to the clutchbell. Clean both the starting shaft and the inside race of the one-way bear- ing inside the clutchbell and the inside race of the top starting shaft bearing.
  • Page 24 ELECTRONICS TRAYS Radikal G30 v.2 BAG 3 Start by installing the four M2.5x6 flush head cap screws into the lower electronics tray by using medium threadlock. Next apply medium threadlock to the remaining four M2.5x6 flush head cap screws and install them into the upper electronics tray.
  • Page 25 Radikal G30 v.2 FRONT SIDE FRAMES BAG 3 Make sure when fitting the electronics trays that you have a com- plete mating with the upper side frames. If the keys do not fit into the slots on the side frames and you tighten down on the screws, your frame will be crooked.
  • Page 26 Radikal G30 v.2 ATTACHING FRONT FRAME ASSEMBLY BAG 2 When mounting the front frames to the rear frames, make sure the keyed split matches up properly prior to tightening the eight M3x8 button head cap screws. This is very important as you can warp the frames if it’s not set in place when tightening down.
  • Page 27 LANDING GEAR Radikal G30 v.2 LANDING GEAR PACKAGE Do not over tighten set screws (#9) holding the landing gear in place. Description Part # HI6118A 3x6x9 Aluminum Bar (铝柱) HI6118A Canopy Mount Plate (机头固定板) CNM3x18CS Cap Screw(杯头内六角螺丝)M3x18 Landing Gear Mount(脚架板固定块)
  • Page 28 TAIL TRANSMISSION BOX Radikal G30 v.2 MAKE SURE THESE ARE THREADLOCKED IN! MAKE SURE THIS IS THREADLOCKED IN! Description Part # CNM3x25CS M3X25 Cap Screw( 杯头螺丝) CNM3x4SS HI6117AD Gyro Plate( 陀螺仪固定板) CNM3x16CS HI6117AD 3x6x9 Aluminum Spacer ( 铝柱) HI6060C Upper Transmission Case( 尾管夹片)
  • Page 29 TAIL BOOM COMPONENTS Radikal G30 v.2 When installing all the hardware onto the boom, make sure you do so prior to installing the tail gear- box. Otherwise you will not be able to once your tail gearbox is mounted. Do not apply the zip ties until the very end when you are sure of the positions of the tail control rod guides.
  • Page 30 TORQUE TUBE ASSEBMLY Radikal G30 v.2 Part # Description Ø2X9 Pin HW6063D Dog Bone Joint ( 勾股球头) HW6063D Ø2X9 Park Pin( 圆柱销) HW6063D L=748mm Stainless Steel Torque Tube( 空心不锈钢管 ) HW6063D Bearing Guide( 轴承内轴套) CNBB510 CNBB816 8X16X5 Bearing(轴承) HW6063D Rubber Bearing Retainer( 橡胶尾管塞)
  • Page 31 TAIL GEAR BOX Radikal G30 v.2 When pressing the bearing retain- ers into the tail gear box plate, make sure you are pressing it into the cor- rect side. The left and right side are different. If you do not do this, it will be difficult to remove this pieces once it’s pressed in.
  • Page 32 TAIL BLADE GRIPS Radikal G30 v.2 Starting with the tail rotor assembly, the 5x10x4 bearing (#17) is already pressed into the blade grips Grease the thrust bearings prior to installation. Making sure the open ball end is facing the tail hub, place the thrust bear- ing assembly into the tail blade grip followed by the 3x5x0.5 micro washer.
  • Page 33 ATTACHING TAILBOOM Radikal G30 v.2 For plastic gears, it is best to use a lubricant like Moly-Kote (Part#: CN2024MK). This will ensure a much smoother running drivetrain and prolong the life of the plastic gears. Moly-Kote can also be used on the metal gears as well.
  • Page 34 MOUNTING SERVOS Radikal G30 v.2 Be sure to use a large enough Phillips screw drive so as to not strip the head of the Phillips tapping screws when in- stalling the servo tabs and servos. 10 11 A servo arm of approximately 12mm is recommend for the throttle servo.
  • Page 35 ATTACHING MUFFLER & RUDDER SERVO Radikal G30 v.2 If you purchased a stock Zeno- ah engine, the engine package should include the stock black box muffler. This muffler can be used however modifications to the canopy are necessary to ac- comodate the fitment.
  • Page 36 PUSHROD MEASUREMENTS Radikal G30 v.2 HELPFUL TOOL: PART# CN2219A: BALL LINK EASY DRIVER 47,2 FB HEAD FBL HEAD NOTICE SIZE OF HOLES ON BALL LINKS 72,2 THE SIDE WITH THE SMALLER HOLE SHOULD FACE OUTWARDS 90,2 HEL PFUL TOOL PART# CN2255: CONTROL ROD SETUP GAUGE...
  • Page 37 INSTALLING ELECTRONICS Radikal G30 v.2 The electronics configuration is shown as an example of how to mount the electronics. It is not necessary to mount your electronics this way. None of the electronics indicated are in- cluded with the kit...
  • Page 38 MOUNTING CANOPY Radikal G30 v.2 Drill holes into the canopy prior to installing the screws. Description Part # CNM3x6ST M3x6 Phillips Tapping Screws( 尖尾螺丝) CNM3x6ST HI6130GBLAZ Canopy(机头) HI3129 Canopy Mount( 机头固定座) CN2210A Canopy Grommet(橡皮环) Page 38...
  • Page 39 Radikal G30 v.2 CNM5x35CS Congratulations on finishing the build of the Radikal G30 helicopter. Please follow your instruction manual on setting up your transmit- ter and gyro systems. Also it is very important that you follow the CNM5LOCK instructions included with the Zenoah G23-G30 engine for the break in process and finally tuning the engine.
  • Page 40 1740-C Junction Ave. San Jose, CA. 95112 U.S.A. www.centuryheli.com...

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