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THE WORLD MODELS 28% EXTRA 330L Instruction Manual

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28%EXTRA
60cc gasoline engine
Requires:4-channel radio w/ 6 high torque servos
Wing Span
Wing Area
Flying Weight
Fuselage Length
Warning ! This model is not a toy.
It is designed for maximum performance. Please seek advice if one is not familiar with this kind
of engine powered precision model. Operating this model without prior preparation may cause
injuries. Remember, safety is the most important thing. Always keep this instruction manual at
hand for quick reference.
Specifications
Specifications are subject to change without notice.
90.0 in / 2290 mm
1482 sq in / 95.6 sq dm
18.5 lbs / 8400 g
79.5 in / 2020 mm
ALMOST-READY-TO-FLY (ARF) SERIES
INSTRUCTION MANUAL
FACTORY PRE-FABRICATED
MADE IN CHINA

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Summary of Contents for THE WORLD MODELS 28% EXTRA 330L

  • Page 1 INSTRUCTION MANUAL 28%EXTRA 60cc gasoline engine Requires:4-channel radio w/ 6 high torque servos Specifications 90.0 in / 2290 mm Wing Span Wing Area 1482 sq in / 95.6 sq dm Flying Weight 18.5 lbs / 8400 g Fuselage Length 79.5 in / 2020 mm Specifications are subject to change without notice.

  • Page 2: Before You Begin

    28%EXTRA I N D E X BEFORE YOU BEGIN P. 1 PARTS LIST P. 2 ASSEMBLY P. 3 - 11 SAFETY PRECAUTIONS P. 11 BEFORE YOU BEGIN Read through the manual before you begin, so you will have an overall idea of what to do. Check all parts.

  • Page 3: Parts List

    Parts List 9.FIREWALL 10x131x153mm(Plywood)(F1) -- 1 pc. ENGINE BOX SIDE PLATE 5x99x280mm (F20 & F21A) -- 2 pcs UPPER PLATE 2x120.1x153mm (F21A) -- 1 pc. 1.MAIN WING -- 1 pair LOWER PLATE 2x125.2x153mm (F21) -- 1 pc. METAL HINGES -- 10 pcs FUEL TANK HOLDER(Front)(F45) 3x69x143mm -- 1 pc.
  • Page 4 Main Wing Aileron Servo Lead Bottom View Replace CA hinges by metal hinges. Glue the metal hinges to wing and aileron by epoxy. Aileron Servos Screw PM4x60mm PWA2x8mm Nylon Insert Lock Nut Screw PWA2x8mm PM 2 x 12 mm PL4120250 M2 Nut Bottom View Heavy Duty Horn...
  • Page 5 ≈118mm ≈62mm P . 4...
  • Page 6 1.5mm 2.5mm...

  • Page 7: Elevator Pushrod

    Elevator Pushrod Screw PM 4 x 50 mm Nylon Inert Lock Nut PM2x8mm PL4120250 Heavy Duty Clevis PA1.7x8mm Heavy Duty Horn Bracket M4 Nylon Insert Lock Nut M2 Nut Heavy Duty Clevis Pushrod Ø2.5x132mm PM2x8mm PA1.7x8mm PM4x50mm Bottom View Main Landing Gear Socket Head Screw Collar 4.1mm...
  • Page 8 Center line of firewall F22A 60.2mm 8.3mm 32mm 37mm F22A F20A Center line F21A Down F24A F21B Completed F22A 122mm F20A 8.3mm F24A 27.7mm 94mm F22A 130mm F21A F21B F30A...
  • Page 9 800cc Sponge Battery Receiver HEAVY DUTY SERVO HORN PL4120600 Rudder Servo Throttle Servo...
  • Page 10 Main Wing Step 1. Insert the aluminum wing tube with the pre-drilled hole end into the right wing. Align the lines marked at the wing root and wing tube, then apply the PM3x35mm machine screw through the pre-drilled hole on top of the wing. ( please confirm the alignment of the hole by putting a 2.5mm diameter rod through the pre-drilled wing hole before applying the screw ) The hole on the wing tube is pre-threaded, do not over tighten the PM3 screw, the set up is for future removal of the wing.
  • Page 11 Cowling Screw PA3x12mm Washer d3xD7mm Spinner d2.5xD8.5mm SiliconGrommet 1.5mm PA3x12mm d3xD7mm Washer d2.5xD8.5mm SiliconGrommet Please refer to the attached sheet for usage of the transparent 3D template. First insert the grommet to the cowling then apply screw. Canopy First insert the grommet to the canopy then apply screw. Screw PWA2.3x8mm Screw...
  • Page 12 Wing Setting Adjust the wing and fuselage configuration as shown in the diagrams. A=A' B=B' C=C' P . 1 1...

  • Page 13: Control Throws

    Adjust the control throws as shown in the diagram. Control Throws These throws are good for general flying. You can adjust according to your personal preference. Rudder 50mm 50mm Elevator 70mm 70mm Aileron 25mm 25mm The ideal C.G. position is 170mm (6.7 in.) behind the leading edge measured at where the wing C.G.
  • Page 14 LINKAGE CONNECTOR HW7111050 & HW7111060 Drill 2mm hole at servo horn. Insert linkage connector into servo horn. Make sure shoulder of screw is cleared from servo horn. Add washer to reduce play if necessary. Shoulder Tighten up the round nut against the shoulder.
  • Page 15 Usage of the transparent 3D template This transparent 3D template is used for position guidance of the actual cutting of the pre-painted cowling. Simply cut the transparent 3D template to fit your engine and exhaust pipe, then slide onto the actual cowling and use as template to mark the openings required for final cutting.
  • Page 16 The World Models Manufacturing Co., LTD. www .thew orldm odels .com A162PO16710906...

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