Goblin 420 Manual
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Goblin 420 Manual

Sab heli division
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  • Page 2 Release 1.0 - Octorber 2016 WORLD DISTRIBUTION www.goblin-helicopter.com For sales inquiries, please email: sales@goblin-helicopter.com For information, please email: support@goblin-helicopter.com Attention: If you are a consumer and have questions or need of assistance, please contact the retailer where you made the purchased first.

  • Page 3: Table Of Contents

    Chapter 1, Specifications Please read this user manual carefully, it contains instructions for the correct assembly of the model. Please refer to the web site www.goblin-helicopter.com for updates and other important information. VERY IMPORTANT In the Manual bag you will find a product card your with serial number. Please take a moment to register your kit online via our web site at: http: //www.goblin-helicopter.com...
  • Page 4 Chapter 2, Important Notes IMPORTANT NOTES *This radio controlled helicopter is not a toy. *This radio controlled helicopter can be very dangerous. *This radio controlled helicopter is a technically complex device which has to be built and handled very carefully. *This radio controlled helicopter must be built following these instructions.
  • Page 5 Chapter 3, Components and Box ADDITIONAL COMPONENTS REQUIRED TOOLS, LUBRICANTS, ADHESIVES *Electric Motor: 850 - 1000Kv: *Generic pliers. Maximum diameter 41mm. *Hexagonal driver, size 1.5,2,2.5mm. Maximum height 41mm. *5.5mm Socket wrench (for M3 nuts). Pinion shaft diameter 5 mm. *7mm Hex fork wrench (for M4 nuts). *Speed controller: minimum 70A , extreme 3D Flight 80-100A.
  • Page 6 Chapter 4, Carbon Frame The manufacturing process of the carbon parts often leaves micro-burrs and sharp edges. We recommend de-burring the edges to minimize the 4-Carbon Frame risks of electrical wire cuts, etc. This is particularly important in the areas shown in red. Page 4...
  • Page 7 Chapter 4, Carbon Frame Box 1, Bag 1 Left Main Frame Assembly Note: Main Frame Use Loctite 243 to (H0531-S) lock the bolts in the correct position. Tail Servo Support (H0530-S) Button Head Cap Plastic Battery Special M2.5x6mm Support (HC019-S) (H0529-S) SUGGESTION Button Head Cap...
  • Page 8 Chapter 4, Carbon Frame Bag 1, Box 1 Landing Gear Assembly Socket Head Cap Screw M2.5x10mm (HC022-S) Finishing Washer M2.5 (H0255-S) Plastic Landing gear Support (H0556-S) Alu Landing gear Support (H0644-S) Main Frame Assembly Socket Head Cap Screw M2.5x10mm (HC022-S) Head Cap Screws Special M2.5x6mm (HC019-S)
  • Page 9 Chapter 5, Transmission Assembly Bag 2 Main Shaft Support Assembly Socket Head Cap Screw M2.5x8mm (HC020-S) Main Shaft Support (H0522-S) Main Shaft Assembly Bearing Ø8xØ16x5mm (HC419-S) Socket Head Cap Socket Head Cap Screw M2.5x8mm Screw M2.5x8mm (HC020-S) (HC020-S) Main Shaft Assembly Main Shaft Support Assembly Shims Ø8xØ12x0,1mm...
  • Page 10 Chapter 5, Transmission Assembly Bag 3 120T Pulley Assembly Front Tail Pulley Assembly (H0502-S) (H0620-S) One Way Bearing Socket Head Cap Ø8xØ12x12mm 120T Pulley Screw M2x8mm (HC440-S) (H0502-S) (HC008-S) Flanged Bearing Front Tail Ø8xØ12x3,5 Pulley (HC418-S) Socket Head Cap (H0620-S) Screw M2x5 (HC002-S) Flanged Bearing...
  • Page 11 Chapter 6, Main Rotor Assembly Bag 4 Radius Arm Assembly ... x 2 Radius Plastic Arm Assembly ... x 2 Radius Arm Washer (H0516-S) 2.1x 5 x0.5mm (HC170-S) Socket Head Cap Screw M2x10mm (HC010-S) Radius Arm Assembly Radius Plastic Arm Flanged Bearing Flanged Bearing (H0525-S)
  • Page 12 Chapter 7, Assembling The Modules Bag 5 Swashplate Assemly Head Assembly Uniball M2 (H0538-S) Metric Hex Nylon Nuts M3 (HC206-S) Swashplate Socket Head Cap Assembly Shouldered M3x16mm (HC074-S) Swashplate Uniball M2 Assemly Uniball M2 (H0538-S) (H0506-S) (H0537-S) Button Head Cap Special M2.5x6mm (HC019-S) Button Head Cap...
  • Page 13 The linkage ball must be positioned approximately 13-15 mm out on the servo arm (figure 1), it is recommended to use the SAB servo arm p/n [HA052]. Because of the 120° placement of the servos in the Goblin, the arms are difficult to access. For this reason it is advisable to ensure alignment of the servo arms (and sub trim) before installation of the servos in the model (figure 2).
  • Page 14 Chapter 8, Installation Of Swashplate Servos Tip on cable routing You can use zip-ties to secure the 3 servo cables to the servo support. HPS Head Preliminary Setup Linkage Rod A Assembly ... x2 Linkage Rod A Aseembly Approx 44mm Linkage Rod M2x22mm Linkage Servo (H0561-S)
  • Page 15 Chapter 9, Tail Servo Assembly Bag 6 Uniball M2 Socket Head Cap M3x6mm The distance between the servo spline (H0064-S) (HC044-S) and the ball must be between 13-15 mm You can use the SAB servo horn [HA053]. 14 mm Socket Head Cap M2x8mm (HC008-S) Tail Servo...
  • Page 16 H0501-21-S - 21T Pinion = ratio 5.7:1 H0501-24-S - 24T Pinion = ratio The Goblin 380 accepts a wide selection of batteries with different capacities. The suggested number of cells is 6. All batteries from 1800 to 2600 mAh offer good performance.
  • Page 17 Chapter 10, Installation Of The Motor Bag 7 NOTE: Correct position for the motor wires. Motor Pulley 20T (H0501-20-S) (see page 14 for optional pulleys) Cone Point Set Screws M3x6mm (HC144-S) Flat Head Socket Cap M3x5mm (HC132-S) Motor Support (H0520-S) Socket Head Cap Screws M2.5x8mm Finishing Washer M2.5...
  • Page 18 Chapter 10, Installation Of The Motor Bag 8 MOTOR BELT TENSION *Assemble the motor and pulley to its mounting plate. *Install the motor assembly in the helicopter. *It is easy to install the belt with the motor assembly pushed back towards the helicopter as far as it can go. First put the belt on the motor pulley.
  • Page 19 Chapter 11, Installation Of The ESC DE-BURR THE SIDE FRAMES We recommend de-burring the edges of the carbon parts in areas where electrical wires run.(See Page 4). ESC INSTALLATION The speed controller (ESC) is installed in the front of the helicopter. Figure 1 and Figure 2 show the mounting area.
  • Page 20 Chapter 12, Installation Of Flybarless Unit and RX Bag 9 FLYBARLESS CONTROL UNIT AND RX INSTALLATION We suggest the use of a “single unit” FBL system (all in one type unit). This allows for easier wire routing considering the small size of this helicopter. Position 1 can be used to install the FBL unit.
  • Page 21 Chapter 12, Installation Of Flybarless Unit and RX The area between the boom and the frame can be used to route the wire(s) (Fig 4 and 5). You can secure the wire(s) to the frame with zip-ties (Fig6). Page 19...

  • Page 22: Tail Assembly

    Chapter 13, Tail Assembly Bag 10 Tail Pitch Slider Assembly Tail Rotor Hub Assembly Tail Damper (HC452-S) eg: Microlube GL261 Tail Pitch Slider 03 (H0512-S) Tail Spindle Flanged Bearing (H0510-S) 11x3mm (HC416-S) Tail Pitch Slider 01 [H0231] Tail Shaft Flanged Bearing (H0509-S) Tail Pitch Slider 02 11x3mm...
  • Page 23 Chapter 13, Tail Assembly Bag 11, Box 1 Tail Side Plate Assembly Bell Crank Lever Assembly Tail Side Cross Tail Case Alluminum Case (H0526-S) Flanged Bearing 2.5x 6x2.5mm (H0523-S) (HC400-S) Tail Pin (H0264-S) Spacer Arm 2.5x 4x6.3mm (H0253-S) Bell Crank Lever (H0234-S) Uniball 4 H3...
  • Page 24 Chapter 13, Tail Assembly Bag 12, Box 3 Note: We suggest to clean the sticking surface with sand paper. Locking Element Tail Assembly ..x 2 Tail Boom Assembly Locking Element Tail Locking Element (H0535-S) Tail Assembly Double (H0535-S) Sided Tape (HA033-S) Yellow Tail Boom (H0815-S)
  • Page 25 Chapter 13, Tail Assembly Bag 13, Box 3 Socket Head Cap Screw M2.5x10mm Finishing (HC022-S) Washer M2.5 (H0255-S) Finishing Washer M2.5 (H0255-S) Socket Head Cap Screw M2.5x10mm (HC022-S) Tail System Assembly Note: Please allow plenty of time for the glue to cure before inserting plastic ball link onto the threaded rod. Threaded Rod Carbon Road Threaded Rod...

  • Page 26: Installation Of The Boom, Canopy

    Chapter 14, Installation Of The Boom, Canopy Bag 14, Box 3 BOOM ASSEMBLY * Insert the boom. This operation is easier fitting into the main frame at a slight angle [Fig.1]. To facilitate boom insertion, you can also unscrew the two bolts that hold the tail servo support tray. * Tighten the M8 nut with HA016 special tool supplied.
  • Page 27 Chapter 14, Installation Of The Boom, Canopy Bag 15 TAIL BELT TENSION *Check for the proper assembly of the tail boom. *Loosen the tail case by loosening the 4 M2.5 screws. *Install the belt onto the front pulley in the correct direction of rotation (figure 1). *Rotate the tail drive several times by hand.

  • Page 28: Battery

    Bag 16 BATTERIES The Goblin has a quick release battery tray system. The batteries must be installed onto the battery tray to take advantage of the quick release locking system. Install the battery to the battery tray using double sided tape and the long Velcro straps included (Fig 1 and Fig 2).

  • Page 29: In Flight

    Chapter 16, In Flight Bag 17, Box 3 OPERATIONS BEFORE FLIGHT *Set up the transmitter and the flybarless system with utmost care. *It is advisable to test the correct settings of the transmitter and flybarless system without main blades and tail blades fitted. *Check that all wiring is isolated from the carbon/aluminum parts.

  • Page 30: Maintenance

    Chapter 17, Maintenance MAINTENANCE *On the Goblin 420, some areas to look for wear include: - Motor belt - Tail belt - Dampers *The most stressed bearings are definitely those on the tail shaft and the thrust bearings. Check them frequently. All other parts are not particularly subject to wear.

  • Page 31: Exploded Views

    Chapter 18, Exploded view, Carbon Frame Main Frame Name Specification Quantity H0255 Finishing Washers M2.5 Aluminum H0529 Plastic Battery Support Plastic H0530 Tail Servo Support Plastic H0531 Main Frame Carbon Fiber H0536 Battery Tray Support Carbon Fiber H0539 Battery Aluminum Block Aluminum H0556 Landing Gear Support Plastic...
  • Page 32 Chapter 18, Exploded view, Transmission Assembly Belt Tensioner Name Specification Quantity H0255 Finishing Washer M2.5 Aluminum H0501 20T Motor Pulley ASM Aluminum H0502 120T Main Pulley Aluminum Name Specification Quantity 20 HC020 Socket Head Cap Screws M2.5x8mm H0507 Main Shaft Steel 21 HC022 Socket Head Cap Screws M2.5x10mm...
  • Page 33 Chapter 18, Exploded view, Head System Assembly Set Explode Assembly Set HEAD SYSTEM HEAD SYSTEM Name Specification Quantity POS COD Name Specification Quantity Washer 7,5x 10x0,5 H0349 Plastic Linkage Ball 18 HC008 Socket Head Cap Screws M2 x 8mm H0403 3 H0506-01 Swashplate 01 Aluminum 19 HC010 Socket Head Cap Screws...
  • Page 34 Chapter 18, Exploded view, Tail System TAIL SYSTEM Name Specification Quantity H0065 Uniball M3 ø5 H6 H0066 Plastic Ball Link M2,5 H0076 Grip Link Bushing Brass TAIL SYSTEM H0231 Tail Pitch Slider 01 Aluminum Name Specification H0232 Tail Pitch Slider 02 Aluminum Quantity H0234...

  • Page 35: Spare Parts

    Chapter 19, Spare Parts Uniball M2 Uniball M3x4 Plastic Ball Link Bell Crank Lever [H0064-S] [H0065-S] [H0066-S] [H0234-S] - 1 x Bell Crank level. - 5 x Uniballs M2 5H6. - 2 x Tail Pin. - 5 x Uniball Spacers. - 2 x Flanged Bearing - 5 x Socket Head Cap Screws 2.5x...
  • Page 36 Chapter 19, Spare Parts Tail Shaft Tail Spindle Tail Blade Grip [H0509-S] [H0510-S] [H0511-S] - 2 x Tail Blade Grip. - 2 x Thrust Bearing - 2 x Washer 4.75x0.5mm. - 1 x Tail Shaft. - 1 x Tail Hub. - 1 x Tail Spindle.
  • Page 37 Chapter 19, Spare Parts Main Frame Vertical Fin Anti-Rotation Guide Boom Accessories (H0531-S) (H0532-S) (H0533-S) (H0535-S) - 1 x M8 Carbon Block. - 2 x Locking Element Tail. - 1 x Double Sided Tape [HA034]. - 1 x Vertical Fin. - 1 x Double Sided Tape [HA033].
  • Page 38 Chapter 19, Spare Parts [HC002-S] [HC004-S] [HC005-S] [HC008-S] [HC010-S] - 5 x Socket Head Cap - 5 x Socket Head Cap - 5 x Button Head Cap - 5 x Socket Head Cap - 5 x Socket Head Cap M2x5mm. M2x6mm.
  • Page 39 Chapter 19, Spare Parts [HC418-S] [HC419-S] [HC435-S] [HC440-S] [HC448-S] - 2 x Flanged Bearing - 2 x Bearing - 2 x Thrust Bearing - 1 x One Way Bearing - 2 x Thrust Bearing Ø8xØ12x3.5mm. Ø8xØ16x5mm. Ø5xØ10x4mm. Ø8xØ12x12mm. Ø3xØ6x2.5mm. [HC450-S] [HC453-S] [HC454-S] [HC456-S]...

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