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Goldwing RC SBACH300 Instruction Manual

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ARF MODEL
68in SBACH300 90E & 20CC
Instruction Manual
Two version to choice: 90 Electric or 20CC

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Summary of Contents for Goldwing RC SBACH300

  • Page 1 ARF MODEL 68in SBACH300 90E & 20CC Instruction Manual Two version to choice: 90 Electric or 20CC...
  • Page 2 Dear Customer, Thanks for purchasing this newly designed aerobatic RC airplane. ARF Model proudly presents 68in SBACH300 90E & 20CC, Extreme Series, which is a premium product line of electric & gas RC airplanes designed for unlimited 3D performance. The new 68in SBACH300 90E & 20CC adopts cutting edge aerodynamic features, such as streamlined canopy, aileron counterbalance, removable side force generators (SFGs) .The 68in SBACH300 is also loaded with high-end accessories including CF...

  • Page 3: Specifications

    SPECIFICATIONS Wing Span: 68"(1720mm) Length: 65"(1650mm) Wing Area: 946sq in(61sq .dm.) Flying Weight: 8-8.8lbs(3600-4000g) Depending on battery size used Engine:.70-.91（2C） .91-.110（4C） 20-26cc gas Electric Power： Hacker A50-16S with 6S 3800-44000mAh 17x8 or 18x8 prop DUSKY XM5060EA-470KV with 6S 3700-4400 mAh 17x8 prop Or other 1500-1800Watt electric motor ESC：80A RADIO:4CH/4-5S...
  • Page 4 Flat nylon hinges for better flying strength High quality 2.5mm ball links assemblys New Fiberglass horn assembly...
  • Page 5 High-quality durable rubber wheels Two options for landing gear: Anodized 6061 Aluminum or Carbon fiber Anodized 6061 Aluminum landing gear Carbon fiber landing gear Canopy extended into cowl...
  • Page 6 Canopy quick release mechanism New Carbon fiber tail wheel assembly Strengthened fuselage by carbon fiber rods...
  • Page 7 KUZA RTF clear Fuel Tank with Alloy cap for 20CC version KUZA Alloy Backplate Hollowed-out Electric Spinner included for 90E version (Excellent cooling effect for brushless motor)
  • Page 8 Scheme A white/ red / black Scheme B white/ red / blue...
  • Page 9 Scheme C yellow/ red / black Items Required to Complete This Model:  1500-1800Watt electric Motor or  Two switches with charging jacks for 20-26CC Gas the Rx   Motor Appropriate propeller for your Two high quality Rx batteries of ...
  • Page 10 mounting hardware choice of servos.   Ignition battery and switch One Receiver of your choice  One quality throttle servo and appropriate servo arm Shop Supplies/Tools   5-6Pcs high quality metal gear servos or Covering Iron and heat gun ...
  • Page 11 2. Be sure to seal any exposed wood with a thin coating of epoxy to prevent engine oil from soaking in. This is especially important around the engine compartment and servo openings with exposed areas. 3. Some modelers prefer to seal the hinge gaps using strips of appropriate covering or clear trim tape.
  • Page 12 KUZA 260cc RTF clear Fuel Tank with Alloy cap for 20CC version KUZA 75mm(3in) Alloy Backplate Hollowed-out Electric Spinner for 90E version Pushrods: Two 2.5x60mm for aileron. Two 2.5x110mm for elevator & rudder （Pull-push style）...
  • Page 13 Ball links: 8 for aileron and elevator. Pull-pull setup for the rudder. 5 Servo extension safety connector clips New Carbon fiber tail wheel assembly...
  • Page 14 Screews for landing gear: 4(4x20mm) Hexagon bolts & 4mm stainless steel Self-locking nuts & washers : 4(2.5x12mm) Hexagon socket screws Screews & Washers for cowl & 4 PTFE Washers 4 Hexagon socket screw wrenches Motor mounting hardware set...

  • Page 15: Wing Assembly

    Engine mount for nitro and gas engine Wing Assembly NOTE: There are pictures of different planes in this manual, however, this plane’s wings is assembled the same way. It is much easier to install the control horns before installing the wing. Locate the fiberglass aileron control horns, ball links, and associated bolts and nylon-insert lock nuts.
  • Page 16 The slots for the supplied hinges are pre cut. Locate the hinges and dry fit the hinges and aileron into place and test the operation. The hinges should seat fully into the slots so that the hinge line gap is minimal while still allowing full aileron deflection.
  • Page 17 8. Cut the covering from the aileron servo slots from corner to corner and iron down inside the openings. Connect servo wire extensions to your servos and secure the connections with the supplied clips. Feed the servo wires into the wing and out the root.

  • Page 18: Elevator Assembly

    10.Check the final radio operation of the ailerons and make sure there is no binding or servo fighting of each other. Also check to make sure all linkage bolts and nuts are secure. (Below long ALU arm is not included) Elevator Assembly NOTE: There are pictures of different planes in this manual, however, this plane’s elevators is assembled the same way.
  • Page 19 3. Glue the hinges for the elevator with CA glue. 4. After installing the elevator, use supplied balsa pieces to fill gap behind the elevator as shown below...
  • Page 20 5.Locate the slots for elevator servo, remove covering. Connect wire extension to your servos before feeding the wire into fuselage. Install servo with screws supplied by servo manufacturer. 6.Use your radio to set the servo center position and install the large control horn onto the servo.

  • Page 21: Tail Wheel Installation

    Tail Wheel Installation 1. Start tail wheel assembly installation.For safety, please remove all screws and then re-assemble with thread locker. 2. Drill 2 mm holes on the bottom rear of the fuselage, secure the tailwheel bracket with the provided screws. For best results, the pivot point of the assembly should be over the hinge line of the rudder.

  • Page 22: Rudder Assembly

    Rudder Assembly NOTE: There are pictures of different planes in this manual, however, this plane’s rudder is assembled the same way. 1．Install the fiberglass control horns in the same way as you did the elevator horns.
  • Page 23 2．The SBACH is supplied with a high quality set of pull-pull cables and ball-links. 3 ． Locate the pull-pull cable set, threaded couplers, brass swaging tubes, and ball-links. If the cable is one long piece, cut it into two equal length pieces. Thread one end of the one cable through a brass tube and then through one of the threaded couplers.

  • Page 24: Main Landing Gear Installation

    (Below long ALU arm is not included) Main Landing Gear Installation NOTE: There are pictures of different planes in this manual, however, this plane’s landing gear is assembled the same way. 1. Bolt the main gear to the bottom of the fuselage using the supplied screws and stainless steel Self-locking nuts.
  • Page 25 2.Loosen out the inner nut, then apply thread lock to the axle. Tighten the nut back in place, allow the thread locker to dry. 3.Install the wheel axles to the landing gear and tighten the nylon-insert lock nut. Install one wheel collar onto the axle. Use a second wheel collar as a guide to leave a gap on the inboard of the axle.

  • Page 26: Installation

    4．Fit the wheel pant in place and install using the two supplied screws. Use thread-lock to secure the screws in place. Repeat the above steps for the other main gear. For 20CC version,Engine, Exhaust, & Fuel System Installation...
  • Page 27 Engine Installation NOTE: There are pictures of different planes in this manual, however, this plane’s engine is assembled the same way. 1. Select the proper guide for your engine and drill the holes and cut out the center as indicated. Notice that the engine center line is offset to the left to compensate for the right thrust built into the engine box.
  • Page 28 The KUZA new 260CC fuel tank is preassembled. Complete the installation in the fuselage using zip ties or velcro straps to hold the tank in position. Connect a fuel line between the tank and carb, a fuel line between the tank vent and the bottom of the fuselage, and a fill line to a fueling port which can be mounted on the fuselage side opposite your ignition switch.
  • Page 29 2. Installation of KUZA CNC Aluminum Fuel Dot Sites for KUZA fuel dot installation are pre-cut on both sides of the fuselage, you may install it on either side. Use shape knife to remove the covering. Secure the housing of fuel dot with supplied 2.5 mm self-tapping screws, then plug and install the fuel line to complete the setup of fuel dot.
  • Page 30 3. Installation of KUZA CNC Aluminum Fuel Vent Line Plug Similarly, two sites for vent line plug installation are available at the bottom of the fuselage. Secure KUZA vent line plug with four 2.5 mm self-tapping screws as shown below.
  • Page 31 90E Electric version Motor Installation Find the hardware set for motor installation in the hardware package. 2. Blind nuts are pre-installed behind the firewall. Since the position of cowl is fixed and length of motors varies, you may need to use provided washers to position you motor properly.

  • Page 32: Cowling Installation

    3. Fix the battery with both Velcro and straps. Cowling Installation NOTE: There are pictures of different planes in this manual, however, this plane’s cowl is assembled the same way. 1. Test fit the cowl first, make sure it fits well with canopy and fuselage.
  • Page 33 2. Drill 2mm holes on cowl and fuselage. 3. Secure the cowl with 2.5X12mm self-threading screws and PTFE washers. FINAL RADIO SYSTEM INSTALLATION Whether you 72 MHz systems or the newer 2.4 GHz systems, proper radio installation and care is vital to the safe and reliable operation of your aircraft. Follow the manufacturer’s instruction for installation guidance of receivers and batteries paying attention to factors such as vibration isolation, adequate cooling, and clearances.
  • Page 34 The fuselage ply sides provide space to mount your switches just below the canopy. Mount your switches according to the manufacturer’s instructions and route your wires safely and securely as above. Your receiver battery(s) can be mounted in a variety of locations depending on your balance needs.
  • Page 35 FINAL ASSEMBLY AND PRE-FLIGHT INSPECTIONS 1. Before arriving at your flying field, be sure all your batteries are properly charged and all radio systems are in proper working order. Install the wings onto the fuselage being careful to align the wing tube with the wings and not force it.
  • Page 36 Fill your fuel tank making sure your vent line is not plugged or capped. With the canopy off, this is a good time to check for any fuel leaks. Position the canopy in place and tighten the canopy screws. Be sure to use the supplied rubber washers under the screw heads.
  • Page 37 * KUZA CNC Alloy Fuel Vent Line Plug 3 color to choose: black, blue, red No. KAG0232B or KAG0232U or KAG0232R * KUZA Fuel line clips 10PCS No. KAG02454A...
  • Page 38 * KUZA servo arm： For Futaba servo（25T）： 39mm/1.5in Single No. KAG0S72F 84mm/3.25in Dual No. KAG0D72F For Hitec servo（24T）： 39mm/1.5in Single No. KAG0S72H 84mm/3.25in Dual No. KAG0D72H For JR servo（23T）： 39mm/1.5in Single No. KAG0S72J 84mm/3.25in Dual No. KAG0D72J...
  • Page 39 * KUZA new Wingbag for 20CC Two color to choose: orange/ silver, blue / silver No. KAG0092...

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