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Seagull Models Magic Bird SEA 380 Assembly Manual

46" efi racer/sport plane arf size 32-37

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Code : SEA 380
ASSEMBLY MANUAL
Speciications:
Wingspan--------------- 45.67 in------------------ 116.0 cm.
Wing area--------------- 417.9 sq.in-------------- 27.0 sq.dm.
Weight------------------- 4.0 lbs-------------------- 1.8 kg.
Length------------------- 42 in --------------------- 106.8 cm.
Engine------------------- 32-37 cu.in.
Radio-------------------- 4 channels with 5 servos.
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Summary of Contents for Seagull Models Magic Bird SEA 380

  • Page 1 Code : SEA 380 ASSEMBLY MANUAL Speciications: Wingspan--------------- 45.67 in------------------ 116.0 cm. Wing area--------------- 417.9 sq.in-------------- 27.0 sq.dm. Weight------------------- 4.0 lbs-------------------- 1.8 kg. Length------------------- 42 in --------------------- 106.8 cm. Engine------------------- 32-37 cu.in. Radio-------------------- 4 channels with 5 servos.
  • Page 2 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. INTRODUCTION hank you for choosing the Magic Bird 46” EF1 Racer/Sport Plane ARF size .32- 37 ARTF by SG MODELS . he Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 was designed with the intermediate/advanced sport lyer in mind.
  • Page 3 KIT CONTENTS HINGING THE AILERON Magic Bird 46” EF1 Racer/ SEA380 Note : he control surfaces, including the ailer- Sport Plane ARF size .32-37 ons, elevators, and rudder, are prehinged with hinges installed, but the hinges are not glued in place.
  • Page 4 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Delect the aileron and completely saturate each hinge with thin C/A glue. he ailerons front surface should lightly contact the wing during this procedure. Ideally, when the hinges are glued in place, a 1/64” gap or less will be maintained throughout the lengh of the aileron to the wing panel hinge line.
  • Page 5 Place low-tack tape 1/32 inch (1mm) INSTALL THE AILERONS from the control horn slot. his will pre- CONTROL HORN vent epoxy from getting on the control surface when the control horns are glued Locate the aileron control horns. he taller in place.
  • Page 6 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Before the epoxy fully cures, remove Mininum servo spec. the tape from around the control horn. Torque : 54 oz-in (3.9 kg-cm) @ 4.8V; his will allow the epoxy to low around 67 oz-in (4.8 kg-cm) @ 6.0V the control horn, creating a small ilet between the control horn and surface for...
  • Page 7 Tape the servo lead to the wing to pre- vent it from falling back into the wing. Repeat the procedure for the other wing half. AILERON PUSHROD INSTALLATION Please study images below. Reinstall the servo into the servo mount and secure the servo inplace using the wood screws provided with you radio system.
  • Page 8 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Connect the linkage as shown and secure the control wire with a snap keeper. LANDING GEAR INSTALLATION Using a modeling knife, remove the covering from over the two main gear mounting slots located in the bottom of Make a 90-degree bend at the mark and the wing.
  • Page 9 Remove the two straps and the gear Insert the 90º bend of one main gear wire. Drill four 3/32” pilot holes into the wire into the predrilled hole in one wing for the wood screws. mounting slot. Be careful do not to drill through the top of the wing! M3x15mm he landing gear wire is held in place...
  • Page 10 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Slide one 60mm diameter wheel onto each axle and push them up against the wheel collars. Slide the remaining wheel collars with 3mm x 4mm set screws onto the axles. Push them up against the wheels and tighten the set screws.
  • Page 11 M3x4mm INSTALLING THE FUSELAGE SERVOS Because the size of servos difer, you may need to adjust the size of the precut opening in the mount. he notch in the sides of the mount allow the servo lead to pass through. Install the rubber grommets and brass collets into all servos.
  • Page 12 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. INSTALLING THE STOPPER Mininum servo spec. ASSEMBLY Torque : 54 oz-in (3.9 kg-cm) @ 4.8V; 67 oz-in (4.8 kg-cm) @ 6.0V Using a modeling knife, carefully cut of the rear portion of one of the 3 nylon tubes leaving 1/2”...
  • Page 13 Test it the stopper assembly into the tank. It may be necessary to remove some of the lashing around the tank opening using a modeling knife. If lashing is present, make sure none falls into the tank. With the stopper assembly in place, the weighted pick-up should rest away from the rear of the tank and move freely inside the tank.
  • Page 14 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Use four 4x25mm head bolts and four 4mm washers to attach the engine mount rails to the irewall. Tighten the screws .Make sure to use threadlock on the screws to help prevent them from vibrat- ing loose.
  • Page 15 COWLING Please see below pictures. M3 lock Nut Reinstall the servo horn by sliding the connector over the pushrod wire. Center the throttle stick and trim and install the servo horn perpendicular to the servo center line. Move the throttle stick to the closed po- sition and move the carburetor to closed.
  • Page 16 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Use a drill and drill bit to drill the holes for the cowl mounting screws. Make sure the cowl position is correct before drill- ing each hole. Install the muler and muler exten- sion onto the engine and make the cutout in the cowl for muler clearance.
  • Page 17 HINGING THE ELEVATORS Locate the item for this section of the manual. INSTALLING THE SPINNER Install the spinner backplate, propeller Carefully remove the elevator from and spinner cone. one of the horizontal stabilizer panels. Note the position of the hinges. Remove each hinge from the horizontal stabilizer panel and elevator and place a T-pin in the center of each hinge.
  • Page 18 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Epoxy Epoxy Glue the elevator hinges in place using the same techniques used to hing the ai- lerons. Epoxy INSTALLING THE HORIZONTAL STABILIZER Using a ruler and a pen, locate the cen- INSTALL ELEVATOR CONTROL HORN terline of the horizontal stabilizer, at the trailing edge, and place a mark.
  • Page 19 Trim and cut When cutting through the covering Slide the stabilizer into place in the to remove it, cut with only enough pressure precut slot in the rear of the fuselage. he to only cut through the covering itself. Cut- stabilizer should be pushed irmly against ting into the balsa structure may weaken the front of the slot.
  • Page 20 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Epoxy Fiberglass control horn HINGING THE RUDDER Glue the top two rudder hinges in place using the same techniques used to hinge the ailerons. he lower hinge will be glued when the in/rudder assembly is attached to the fu- selage.
  • Page 21 INSTALLING VERTICAL STABILIZER Hinge slot While holding the vertical stabilizer irmly in place, use a pen and draw a line on eachside of the vertical stabilizer where it meets the top of the fuselage. Using a modeling knife, remove the covering from over the precut hinge slot cut into the lower rear portion of the fu- selage.
  • Page 22 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. When you are sure that everything is Elevator and rudder pushrods assembly aligned correctly, mix up a generous as pictures below. amount of Flash 30 Minute Epoxy. Ap- ply a thin layer to the mounting slot and to bottom of the vertical stabilizer mounting area.
  • Page 23 Nylon Snap Keeper RUDDER PUSHROD INSTALLATION Repeat steps as same as steps done for elevator. TAILWHEEL INSTALLATION Mount the tailwheel assembly in place on the lower rear end of the fuselage, us- ing two M3 x12mm screws.
  • Page 24 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual.
  • Page 25 INSTALLATION PILOT AND CANOPY Locate items necessary to install pilot, seats. M3X10mm Adjust the wheel collar shown to set the height of the tailwheel wire. hen check to see if the long steering leg of the tailwheel wire is parallel to the bottom of the rudder.
  • Page 26 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. INSTALLING THE RECEIVER Epoxy Plug the ive servo leads and the switch lead into the receiver. Plug the battery pack lead into the switch also. Wrap the receiver and battery pack in the protective foam rubber to protect them from vibration.
  • Page 27 APPLY THE DECALS M3x12mm 1) If all the decals are precut and ready to stick. Please be certain the model is clean and free from oily ingerprints and dust. Position decal on the model where de- sired, using the photos on the box and aid in their location.
  • Page 28 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. Lit the model. If the tail drops when BALANCING you lit, the model is “tail heavy” and you must add weight* to the nose. If the nose 1) It is critical that your airplane be drops, it is “nose heavy”...
  • Page 29 12-15mm 12-15mm 15-20mm Fuselage 15-20mm 12-15mm Wing 12-15mm...
  • Page 30 Magic Bird 46” EF1 Racer/Sport Plane ARF size .32-37 Instruction Manual. FLIGHT PREPARATION PREFLIGHT CHECK 1) Completely charge your trans- Check the operation and direction mitter and receiver batteries before of the elevator, rudder, ailerons and your irst day of lying. throttle.
  • Page 31 If you have any queries, or are interested in our products, please feel free to contact us Factory : 12/101A - Hamlet 4 - Le Van Khuong Street - Dong hanh Ward - Hoc Mon District - Ho Chi Minh City - Viet Nam. Oice : 62/8 Ngo Tat To Street - Ward 19 - Binh hanh District - Ho Chi Minh City - Viet Nam Phone : 848 - 86622289 or 848- 36018777...