3D Hobby Shop 57” Extra 330 SC Assembly Manual

Summary of 57” Extra 330 SC

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    1 3 d h o b b y s h o p . C o m assembly manual- 57” extra 330 sc thank you for purchasing this 3dhobbyshop arf rc aircraft. If you have any issues, questions, concerns or problems during assembly, please contact our tech department at: info@3dhobbyshop.Com or 1-830-990-6978 10am-5pm central m-f saf...

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    2 required items ca glue – thin and medium and thick hobby knife small phillips screwdriver set metric allen wrenches scissors small pliers masking tape wire cutters drill and drill bits optional – heat gun and covering iron threadlocker (blue loctite) assembly instructions – read completely before ...

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    3 install the wheels onto the axles and secure with the wheel collars, as shown. Slide one wheel/axle assembly into a wheel pant, and install the wheel assembly on the landing gear leg. Tighten the locknut as shown to secure the assembly onto the gear leg. Repeat for other side. Install wood screw t...

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    4 attach the gear to the fuselage with short 3mm screws, use loctite. Install gear cover plate as shown, with clear tape, thick ca or epoxy glue..

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    5 remove covering over horizontal stabilizer slot on both sides of fuselage as shown. Remove covering over elevator servo opening on left side of the fuselage as shown. Remove covering over wing spar tube hole and wing pin holes in fuselage as shown. Install rudder onto fuselage and apply 2 large dr...

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    6 remove a square or two of covering on the bottom of the fuselage behind the wing as shown, for cooling. Insert the horizontal stabilizer into its slot. Do not glue yet. Center the stabilizer side-to-side in the slot using a ruler..

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    7 install the carbon wing spar tube into the fuselage (note – never glue the carbon wing spar tube to the airplane, it is designed to be removable). Install the wings temporarily. Measure as shown in the illustration. Make sure this measurement is the same on both sides. When stabilizer is centered ...

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    8 install the elevator half with the fiberglass joiner rod onto the stabilizer. Makes sure it flexes easily at least 45 degrees up and 45 degrees down. Apply thin ca glue to the hinges, 2 large drops on each. Place a generous amount of medium or thick ca into the joiner slot on the remaining elevato...

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    9 assemble elevator pushrod as shown. Use thin ca on the ball-link to pushrod joint after installation to lock the ball-link onto the pushrod permanently. Slide carbon tube stiffener over pushrod. Install the pushrod connectors onto the servo arms as shown. Tighten the nuts just to a snug fit – the ...

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    10 install elevator servo with servo output spline toward front of plane and install arm and tighten pushrod connector. The rudder pull-pull cables are assembled as shown in the above diagram. Assemble the pull-pull wires onto the rudder horn as shown, double-looping the wire through the brass crimp...

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    11 mount the rudder servo and assemble the connectors onto the rudder servo arm as shown. Note that the connectors must be free to rotate on the servo arm. We use ca to lock the nut on the bottom of the connector for this reason. Assemble the front ends of the pull-pull cables as shown, double loopi...

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    12 the firewall of the extra is arranged to allow the widest possible selection of motors to fit. Extra space has been provided for long motors and long prop adaptors. For this reason, if your motor is compact, you will need to supply spacers to extend the motor forward as shown. Attach the motor us...

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    13 when you are satisfied with the cowl fit, tape the cowl to the fuselage with masking tape. Use the small pieces of paper as guides to make holes in the cowl and install the wood screws. Remove the screws and cowl, and soak the plywood mounting tabs in the fuselage with thin ca to harden them. Re-...

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    14 on the bottom of the wings, locate the servo cutout and aileron control horn slot. Remove the covering over both. Glue the horn into the slot with a generous amount of medium or thick ca. Use the string in the wing to pull the servo wire through the wing. Assemble the aileron pushrods. Assemble t...

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    15 note: your extra includes a decal set. The wing decals are large and installing them is a two-person job. When you cut around the decal and remove it from its backing sheet, have an extra pair of hands available to prevent the decal from curling back on itself..

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    16 balancing – balance your extra 108mm behind the leading edge of the wing where the wing meets the fuselage for your maiden flight. This is approximately on the forward edge of the carbon wing spar tube. Move the flight battery to balance as necessary. Our preferred cg for 3d aerobatic flight is 1...