Century Helicopter Products Predator Casser Manual
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Century Helicopter Products Predator Casser Manual

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Kit Features:
Lightweight yet extremely strong G10 or carbon fiber frames.
Stainless steel torque tube driven tail system.
Blade grips will accommodate blades with 12mm to 18mm blade roots.
Large 22 oz fuel tank for long engine run time.
Convenient and easy access to spark plug.
Triple bearing supported blade grips and tail blade grips.
Machined 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.
All metal, lightweight swashplate with Teflon Coated Center Ball.
© 2009 Century Helicopter Products - All rights reserved.

Specifications:

Tail rotor span: 10.5" - 11.25"
Overall length: 55.7" - 59.45"
Height: 19.1" - 19.85"
Gear Ratio: 1 : 6.28 - 8.80
Engine: Gasoline
Version 1.02

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Summary of Contents for Century Helicopter Products Predator Casser

  • Page 1: Specifications

    Machined 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. All metal, lightweight swashplate with Teflon Coated Center Ball. © 2009 Century Helicopter Products - All rights reserved. Version 1.02...

  • Page 2: Thank You

    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: Century Helicopter Products 1740-C Junction Ave.

  • Page 3: Required Items

    (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 HEAD ASSEMBLY Predator Gasser NX 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. Take special care when pressing in these bearings. Do not press in on the inner sleeve of the bearing Insert one ball bearing into each bearing cup and insert into the offset plate.
  • Page 5 HEAD ASSEMBLY Predator Gasser NX Pushrod assembly (parts 2 through 4) is already assembled but check that the length is actually 47mm (center to center). As the pushrods are built and installed they should be checked for tightness. Press one ball link onto each double studded steel ball, making sure that pressure is applied from the side of the ball link with circle mark.
  • Page 6 HEAD ASSEMBLY Predator Gasser NX HI6181A (red) head dampers are for sport flying. 3D and aerobatic pi- lots should install the hard HI6181B (black) head dampers. Press in the head dampers into the rotor head block. Lubricate the inside surface of each damper with light oil.
  • Page 7 HEAD ASSEMBLY Predator Gasser NX Slide the washout guide and the rotor head onto the main shaft. Insert the M4x22 shoulder socket cap screw through the rotor head hub and main shaft and secure with one M4 locknut, torque down the screw. Apply Blue threadlock to the M2.5x8 socket cap screws and tighten into the bottom of the rotor head block to clamp against the main shaft, do not overtorque.
  • Page 8 WASHOUT AND SWASHPLATE Predator Gasser NX M3球头长7.8MM CNLR1020 M3x5x3 HW6205 CNBB0730 M10x12x5 HI3152C M3x5x0.5 CNLR1003 CNM3x16BHCS M3球头长5.8MM CNLR1014 CNLR1019 M3球头长9.5MM Comes pre-assembled 序号 编号 名称（ENGLISH-中文） 数量（PCS） HI3152C WASHOUT SET (10MM) (摆臂) CNLR1020 STAINLESS BALL, 3mm THREAD, MEDIUM (球头螺丝) HI6205 BELLCRANK SPACER (铜套) CNBB0730 3x7x3 BALL BEARING...
  • Page 9 HEAD PUSHROD LENGTHS Predator Gasser NX HELPFUL TOOL: PART# CN2219A: BALL LINK EASY DRIVER NOTICE SIZE OF HOLES ON BALL LINKS DRAWN TO A SCALE OF 1-TO-1. MATCH YOUR LINKS UP TO THIS PAGE FOR PROPER MEASURE- MENTS. THE SIDE WITH THE SMALLER HOLE SHOULD FACE OUTWARDS HEL PFUL TOOL 序号...
  • Page 10 MOTOR AND E.S.S. MOUNTING Predator Gasser NX CNM5X12FHCS M3X8CS These screws comes with your Zenoah Engine. The Engine Stabi- lization System is supplied with all SE, Carbon, or Condor Kits only. Access hole for optional governor sensor Lay the cooling fan shroud mount plate onto the face of the en- gine with the straight edge towards the cylinder head and the access hole on the muffler side.
  • Page 11 CLUTCH SHOE TO FAN AND HUB MOUNTING Predator Gasser NX Apply light oil to the Torrington bearing in the center of the clutch shoe. Be sure that no grease contacts the edge of the clutch or it could get transfered to the clutchbell. Slide the clutch shoe onto the fan hub, press down and install four M4x8 button head screws using Blue threadlock.
  • Page 12 MOTOR MOUNTING Predator Gasser NX The following pages will contain informa- tion for both the G10 & Carbon framed G10 Frames versions. You may notice the frames illus- trated may not pertain to the model you are building. Only if there is enough of a descre- pency between the two versions will both versions be illustrated.

  • Page 13: Fuel Tank Installation

    FUEL TANK INSTALLATION Predator Gasser NX The fuel tank isolators have a “U” profile that need to be fitted to the fuel tank openings on the lower front side frames. Start at the center of one edge and work the isolator into the frame, seating the corners. Towards the end, con- tinue forcing the rubber material until the ends butt against each other.
  • Page 14 ELECTRONICS TRAY ASSEMBLY Predator Gasser NX G10 Frames Do not threadlock the frame bolts until the upper frames are installed as it is critical to have the clutch and clutch bell assembly align perfectly. To accomplish this the frames can be shifted within the limits of the fasteners.
  • Page 15 ELECTRONICS TRAY ASSEMBLY Predator Gasser NX M3X20CS HW6127B G10 Frames M3X16CS Carbon Fiber Frames 序号 编号 名称（ENGLISH-中文） 数量（PCS） HW6127BM (间隔套) FRAME STANDOFF SET HW3127D CANOPY STANDOFF SET (无头螺丝) HW3127D (机头固定铝柱) CANOPY STANDOFF SET M3x16 SOCKET HEAD CAP SCREWS CNM3X16CS (有头内六角螺丝) Page 15...
  • Page 16 MAIN FRAME ASSEMBLY Predator Gasser NX Do not threadlock the frame bolts until G10 Frames the upper frames are installed as it is critical to have the clutch and clutch bell assembly align perfectly. To accomplish this, the frames can be shifted within the limits of the fasteners.
  • Page 17 MAIN FRAME ASSEMBLY Predator Gasser NX G10 Frames Assemble these bolts only to position the frames at this time, they will be tightened when the upper frames are installed. Note that the upper hole remains empty until that time also. Carbon Fiber Frames M3X8CS...
  • Page 18 Predator Gasser NX 序号 编号 名称（ENGLISH-中文） 数量（PCS） 10x19x5 BEARING (轴承) CNBB1019 HW6018D NX / SUPER HEAVY DUTY CLUTCH BELL (齿轮) CNBB1524 15x24x5 BEARING (轴承) NX / SUPER HEAVY DUTY CLUTCH BELL (离合器罩) HW6013HDM CNBB1150 5x11x4 BALL BEARING (轴承) If servicing the clutch bearing it must be installed into the bear- ing block before it is installed onto the clutchbell.
  • Page 19 CLUTCH BELL TO BEARING BLOCK ASSEMBLY Predator Gasser NX CNBB1350 CNM4X4SS The gasser kits include the regular starting shaft and hex coupler as in all the Predator kits to align the clutch to the clutchbell. Clean both the starting shaft and the inside race of the bear- ing inside the clutchbell and the inside race of the top start- ing shaft bearing.

  • Page 20: Upper Frame Assembly

    UPPER FRAME ASSEMBLY Predator Gasser NX CNM3X8FHCS G10 Frames M3X8CS M3X10CS Carbon Fiber Frames CNBB1019 Clutch bearing block assembly M3X12CS 序号 编号 名称（ENGLISH-中文） 数量（PCS） (固定块) E.S.S. CN2300 E.S.S. (固定块) CN2300 CNM3X8FHCS M3x8 FLUSH HEAD CAP SCREWS (斜头螺丝) (有头内六角螺丝) CNM3X10CS M3x10 SOCKET HEAD CAP SCREWS (有头内六角螺丝) CNM3X8CS M3x8 SOCKET HEAD CAP SCREWS...
  • Page 21 UPPER FRAME ASSEMBLY Predator Gasser NX THICK THIN RACE RACE (LOWER) (UPPER) LARGER ID SMALLER ID G10 Frames Carbon Fiber Frames Install the upper main shaft bearing block into the upper holes in the left side of the upper frame using two M3x8 socket cap screws.
  • Page 22 AILERON BELLCRANK ASSEMBLY (G10) Predator Gasser NX The technique to remove the two M3x30 socket CNLR1014 cap screws without damaging the 26mm spacer is to slowly loosen each screw 1/8 turn at a time, CNBB0730 changing from side to side to evenly unload the threaded spacer.
  • Page 23 AILERON BELLCRANK ASSEMBLY (CARBON) Predator Gasser NX The technique to remove the two M3x30 socket cap CNLR1014 screws without damaging the 26mm spacer is to slowly loosen each screw 1/8 turn at a time, changing from side to side to evenly unload the threaded spacer. If you CNBB0730 notice one side spinning the spacer, tighten the opposite side again and repeat.
  • Page 24 UPPER FRAME ASSEMBLY (G10) Predator Gasser NX Align and press the rear ccpm arm onto the exposed axle with the arm pointing to the G10 Frames bottom of the upper side frames. This is a tight fit, light tapping with a plas- tic hammer will help here.
  • Page 25 UPPER FRAME ASSEMBLY (CARBON) Predator Gasser NX CONDOR ONLY The Condor version is supplied with: Carbon Fiber HI6032A - METAL ELEVATOR LEVER SET Frames Start by installing the elevator bell crank assembly, note that the left side ball bearing is flush with the pivot Align and press the rear ccpm arm axle.
  • Page 26 INSTALLING AILERON SERVO (G10) Predator Gasser NX M2.3X12 CNM2.3X12ST CCPM (cyclic collective pitch mixing) requires that the three servos that drive the swash- plate be the same model and more importantly the same speed and torque rating. Digital CNM3X8ST and analog servos will fly the Predator with ease as long as the minimum torque rating selected is 70oz/in, rated at 4.8 volts.
  • Page 27 INSTALLING AILERON SERVO (CARBON) Predator Gasser NX M2.3X12 CNM2.3X12ST CCPM (cyclic collective pitch mixing) requires that the three servos that drive the swash- plate be the same model and more importantly the same speed and torque rating. Digital and analog servos will fly the Predator with ease as long as the minimum torque rating CNM3X8ST selected is 70oz/in, rated at 4.8 volts.
  • Page 28 UPPER FRAME SPACERS Predator Gasser NX G10 Frames Carbon Fiber Frames Spacers are going to be the same for the carbon fiber frames version. 序号 编号 名称（ENGLISH-中文） 数量（PCS） HW6127BM FRAME STANDOFF SET (26mm长柱子) HW6127BM (15mm长柱子) FRAME STANDOFF SET HW6127BM (17mm长柱子) FRAME STANDOFF SET HW6127BM FRAME STANDOFF SET...
  • Page 29 ELEVATOR AND THROTTLE SERVO INSTALLATION Predator Gasser NX G10 Frames INCLUDED M2.3X12 CNM3X8ST Carbon Fiber Frames M2螺母 CNLR1013 Servos, mounting plates, INCLUDED and servo arms are not included. 序号 编号 名称（ENGLISH-中文） 数量（PCS） NOT INCLUDED SERVO (伺服机) STEEL BALL, 2mm THREAD, SHORT (M2球头螺丝) CNLR1013 SERVO MOUNTING PLATES...
  • Page 30 RIGHT AILERON SERVO INSTALLATION Predator Gasser NX Servos, mounting plates, and servo arms are not included. G10 Frames INCLUDED M2.3X12 HI3205 CNM3X8ST M2防松螺母 CNLR1013 Carbon Fiber Frames INCLUDED 序号 编号 名称（ENGLISH-中文） 数量（PCS） NOT INCLUDED SERVO (伺服机) STEEL BALL, 2mm THREAD, SHORT CNLR1013 (M2球头螺丝) NOT INCLUDED...
  • Page 31 UPPER TO LOWER FRAME MATING (G10) Predator Gasser NX 26mm Threaded Spacer x 2 15mm Servo Frame Spacers x 4 10+17mm Frame Spacer x 4 G10 Frames 17mm Frame Spacer x 2 26mm Threaded Spacer x 1 Position the upper and lower frame assemblies, aligning the starter shaft in the clutch bell to the torrington bearing in the clutch.
  • Page 32 UPPER TO LOWER FRAME MATING (CARBON) Predator Gasser NX 26mm Threaded Spacer x 2 15mm Servo Frame Spacers x 4 Carbon Fiber 10+17mm Frames Frame Spacer x 4 17mm Frame Spacer x 2 26mm Threaded Spacer x 1 Position the upper and lower frame assemblies, aligning the starter shaft in the clutch bell to the torrington bearing in the clutch.
  • Page 33 MOUNTING OPTIONAL GAS MUFFLER Predator Gasser NX G10 Frames INCLUDED Hint: Use Goop Adhesive/Sealant to keep the muffler bolts in place. Carbon Fiber Frames INCLUDED 序号 编号 名称（ENGLISH-中文） 数量（PCS） NOT INCLUDED MUFFLER STAND-OFF (排气管支撑架) (有头内六角螺丝) M5x25 SOCKET HEAD CAP SCREWS CNM5X25CS (排气管) CN3069B...

  • Page 34: Landing Gear Installation

    LANDING GEAR INSTALLATION Predator Gasser NX 37mm Removable pull start plate: If in- stalling the removable pull start plate option, MAKE SURE TO RE- MOVE THE STARTER PRIOR TO 1.000 G10 Frames FLYING! 1.000 37mm Carbon Fiber Frames M3X4SS M3X14CS 序号...
  • Page 35 MAIN GEAR DRIVE COMPONENTS Predator Gasser NX CNM3X6FHCS CNBB1521 序号 编号 名称（ENGLISH-中文） 数量（PCS） M3X6 FLUSH HEAD CAP SCREWS (斜头螺丝) CNM3X6FHCS MACHINED INNER GEAR (70T) CT DRIVE (斜齿轮) HI6058B SPRAGUE INNER GEAR CT DRIVE AUTO HUB (齿轮座) HI6064A (轴) SPRAGUE INNER GEAR CT DRIVE AUTO HUB HI6064A CNM3X6FHCS M3X6 FLUSH HEAD CAP SCREWS...
  • Page 36 MAIN GEAR DRIVE COMPONENTS INSTALLATION Predator Gasser NX G10 Frames Landing gear standoff set is only shown for illustration. It is an optional item #HW6127C but is standard with the Con- dor version. 1.000 Carbon Fiber Frames CNM2.5X8CS CNM4X4SS CNM3X6FHCS 序号...
  • Page 37 TORQUE TUBE BREAKDOWN Predator Gasser NX CNBB816 CONDOR ONLY The Condor version is supplied with: HW6063CS : Stainless Steel Tail Torque Tube Drive 序号 编号 名称（ENGLISH-中文） 数量（PCS） HI3065 MALE TORQUE FITTING (双球头传动轴) HI3065A S/S TORQUE TUBE SUPPORT SET (橡胶圈) HI3065A S/S TORQUE TUBE SUPPORT SET (空心轴固定座) CNBB816...
  • Page 38 TRANSMISSION BOX ASSEMBLY Predator Gasser NX The tail transmission and tail gear box have the same circular mounts that CONDOR ONLY engage the tail boom and lock it in position. Apply a few drops of light oil The Condor version is supplied with: (Triflow) to both bearings on assembled torque drive shaft and apply a HW6062CH: 950mm Heavy Duty Tail Boom small amount of liquid soap to the o-rings.
  • Page 39 TAIL INPUT AND OUTPUT SHAFTS ASSEMBLY Predator Gasser NX The tail output shaft has an M3 set hole. The tail output gear has threaded hole on the gear. Secure the gear with one M3x4 set screw using Blue threadlock. Slide two M5x13 ball bearings and the torque tube coupler onto the tail shaft and install temporarily into one half of the tail gearbox (positioning the bearings) and secure the M4x5 set screw when the torque coupler and the silver gear are flush to the bearings.
  • Page 40 TAIL GEARBOX ASSEMBLY Predator Gasser NX Page 40...
  • Page 41 VERTICAL TAIL FIN ASSEMBLY Predator Gasser NX Page 41...
  • Page 42 MOUNTING RUDDER SERVO Predator Gasser NX Page 42...
  • Page 43 TAIL BLADE GRIP ASSEMBLY Predator Gasser NX Slide one M3x18 special socket cap screw from the inside of the tail rotor grip and position the first M3x10x1.5 spacer, insert the tail blade, another spacer and secure using one M3 locknut from the molded recess on the outside.When correctly installed, the leading edge of the tail rotor blades will rotate into the down wash from the main rotor blades.
  • Page 44 TAIL PITCH PLATE INSTALLATION Predator Gasser NX Page 44...
  • Page 45 TAIL PITCH LEVER ASSEMBLY Predator Gasser NX Page 45...
  • Page 46 TAIL RUDDER CONTROL ROD ASSEMBLY Predator Gasser NX Page 46...
  • Page 47 TAIL BOOM TO MAIN FRAME MATING Predator Gasser NX G10 Frames Slide the completed tail boom assembly, aligning the three holes on the upper side frames and roughly position the tail bevel gear M3X8CS on the inner gear. Insert two M3x10 flush head cap screws and four M3x8 socket caps screws using Blue threadlock.
  • Page 48 CONTROL ROD LENGTHS Predator Gasser NX Page 48...

  • Page 49: Fuel Tank Assembly

    FUEL TANK ASSEMBLY Predator Gasser NX VENT TO ATMOSPHERE PRIMER RETURN LINE FUEL PICKUP LINE 名称（ENGLISH-中文） 序号 编号 数量（PCS） 500cc FUEL TANK HI6138G (弯铜油管) HI6138G 500cc FUEL TANK (塑料油管) HI6138G 500cc FUEL TANK (吸油嘴) HI6138G 500cc FUEL TANK (直铜油管) (塑料油管) HI6138G 500cc FUEL TANK (油箱塞)
  • Page 50 ELECTRONICS ASSEMBLY Predator Gasser NX Page 50...
  • Page 51 MAIN BLADES INSTALLATION Predator Gasser NX Page 51...
  • Page 52 CCPM SETUP Predator Gasser NX CCPM Radio Review and Setup The next section covers setting the pushrods and servos that will control the helicopter. It is important at this time that you review the instructions provided with your radio that control the ccpm mixing for the 3 cyclic servos. Reviewing the radio instructions will assist you in becoming familiar with the functions that affect the individual servos and affect the interaction of the three servos working together to control the swashplate.
  • Page 53 CARB, LINKAGE SETUP, AND FUEL LINES Predator Gasser NX Idle Adjustment Screw & Carburetor Spring The idle adjustment screw is used to limit the travel of the throttle valve inside the carburetor. Turn the adjustment screw until the point is flush to the bottom of the rotary lever, this will be the throttle stop position.
  • Page 54 THROTTLE ARM POSITION Predator Gasser NX Optimal Throttle Arm Positioning. Following is a method of achieving maximum deflection range in the throttle control. This is the recommended setup to get top per- formance out of your gas powered Predator. In the closed position it will be difficult to reach the The ball for the throttle lever must be placed in the set screw for the throttle arm.
  • Page 55 CANOPY PREPARATION Predator Gasser NX Leave the protective plastic sheet on the windshield while the rough cut is made, leaving 3mm [1/8”] of extra mate- rial beyond the molded line in the windshield. Use a black marker if necessary to trace the line to see it clearly while cutting.
  • Page 56 CANOPY PREPARATION Predator Gasser NX Windshield Wooden Blocks Using Epoxy, bond one wooden block from the inside of the canopy, centered over each hole for the windshield screws. Each block should be flush or slightly below the edge of the canopy. Let the Epoxy completely cure.

  • Page 57: Parts List

    PARTS LIST Predator Gasser NX SERVO SIDE FRAME G10 (RIGHT) HW6112GR MALE TORQUE FITTING HI3065 ALUMINUM PILLAR S/S TORQUE TUBE SUPPORT SET (30/50) HW6112GS HI3065A VERTICAL FRONT FRAME G10 (LEFT) HW6115BGL HI3087A TAIL PITCH SLIDER SET VERTICAL FRONT FRAME G10 (RIGHT) TAIL PITCH BALL LINKS HW6115BGR HI3089...
  • Page 58 PARTS LIST Predator Gasser NX M3X10 BUTTON HEAD CAP SCREW CNM3X10BH M3x10 SOCKET HEAD CAP SCREWS CNM3X10CS M3x10x1 LARGE FLAT WASHERS CNM3X10FW M3x12 BUTTON HEAD CAP SCREW CNM3X12BHCS M3x12 SOCKET HEAD CAP SCREWS CNM3X12CS M3x14 BUTTON HEAD CAP SCREWS CNM3X14BHCS M3x14 SOCKET HEAD CAP SCREWS CNM3X14CS M3x16 BUTTON HEAD CAP SCREWS...
  • Page 59 PERSONAL BUILD NOTES Predator Gasser NX Page 59...

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