SG Models SEA276 Assembly Manual
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SG Models SEA276 Assembly Manual

P-51d mustang
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A S S E M B L Y M A N U A L
" Graphics and specifications may change without notice ".
Code: SEA276
Specifications:
Wingspan---------------56.3 in (143 cm).
Wing area---------------563.6 sq.in ( 36.4q.dm).
Weight-------------------6.6-6.8 lbs ( 3.0-3.1 kg).
Length-------------------45.3 in (115.1 cm).
Engine-------------------10cc
Radio--------------------7 channels with 7 servos.
1

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  • Page 1 A S S E M B L Y M A N U A L “ Graphics and specifications may change without notice ”. Code: SEA276 Specifications: Wingspan---------------56.3 in (143 cm). Wing area---------------563.6 sq.in ( 36.4q.dm). Weight-------------------6.6-6.8 lbs ( 3.0-3.1 kg).

  • Page 2: Kit Contents

    Instruction Manual. INTRODUCTION. Thank you for choosing the P-51D MUSTANG ARF by SG MODELS. The P-51D MUSTANG was designed with the intermediate/advanced sport flyer in mind. It is a semi scale airplane which is easy to fly and quick to assemble. The airframe is conventionally built using balsa, plywood to make it stronger than the average ARF, yet the design allows the aeroplane to be kept light.

  • Page 3: Additional Items Required

    HINGING THE FLAP. KIT CONTENTS. SEA276 P-51D MUSTANG Note : The control surfaces, including the ai- 1. Fuselage lerons, elevators, and rudder, are prehinged 2. Wing set with hinges installed, but the hinges are not glued in place. It is imperative that you prop- 3.

  • Page 4: Hinging The Aileron

    P-51D MUSTANG Instruction Manual. 4) Deflect the flap and completely saturate 8) After both flap are securely hinged, firmly each hinge with thin C/A glue. The flap’s grasp the wing panel and flap to make sure front surface should lightly contact the wing the hinges are securely glued and cannot during this procedure.

  • Page 5: Install The Ailerons

    5) Turn the wing panel over and deflect the aileron in the opposite direction from the opposite side. Apply thin C/A glue to each hinge, making sure that the C/A penetrates into both the aileron and wing panel. 6) Using C/A remover/debonder and a pa- per towel, remove any excess C/A glue that Hinge.
  • Page 6 P-51D MUSTANG Instruction Manual. Epoxy. Flap control horn. WING ASSEMBLY. Please see below pictures. Epoxy. Aileron control horn. INSTALL FLAP CONTROL HORN. Install the flap control horn using the same method as same as the aileron con- trol horns. Attach the aluminum tube into wing. Fiberglass control horn Epoxy.

  • Page 7: Installing The Aileron Servos

    Because the size of servos differ, you may need to adjust the size of the precut opening in the mount. The notch in the sides of the mount allow the servo lead to pass through. 1) Place the servo between the mounting blocks and space it from the hatch.
  • Page 8 P-51D MUSTANG Instruction Manual. 4) Use dental floss to secure the connec- tion so they cannot become unplugged. 5) Secure the servo to the aileron hatch using Phillips screwdriver and the screws provided with the servo. 6) Apply 1-2 drops of thin C/A to each of the mounting tabs.

  • Page 9: Aileron Pushrod Installation

    Mark. INSTALLING THE FLAP SERVO. Bend at the mark Repeat the procedure for the flap servo. M2 lock nut. Metal clevis. Snap keeper. Servo arm. Snap keeper. AILERON PUSHROD INSTALLATION. Please see below pictures. Nylon Snap keeper. Hex Nut. Fuel tubing. Use a felt tip pen to mark the wire where it crosses the hole.
  • Page 10 P-51D MUSTANG Instruction Manual. INSTALLING THE FLAP PUSHROD. Repeat the procedure for the aileron pushrod. STANDARD FIXED LANDING GEAR. Mark. Drill 2mm 1) Remove the covering from the wing to fit the fixed gear mounting blocks. Epoxy.
  • Page 11 3x15mm 3x15mm 2) Slide the wheel on the axle, then secure it using the wheel collar. Collar.

  • Page 12: Optional Retractable Landing Gear

    P-51D MUSTANG Instruction Manual. Collar. 7) Draw a centerline on the back of the landing gear door. Use a pin vise and drill bit to drill holes for the tie wraps that se- cure the gear door. Space the holed on ei- ther side of the centerline drawn in the previous step.
  • Page 13 1) Use a hobby knife to trim the cover- ing from the retract opening. Make sure to remove the covering support from the opening at this time. 3) Use a rotary tool and cut-off wheel to trim the length of the retract strut. 4) Fit the retract into the wing.
  • Page 14 P-51D MUSTANG Instruction Manual. Epoxy. 5) Trim the end of the wheel well us- ing hobby scissors. Next, fit the wheel wells into the wing. It may be necessary to slightly trim the rib under the wheel well so it rests flush against the wing. Use canopy glue to secure the wheel well in the wing.
  • Page 15 Collar. 7) Draw a centerline on the back of the landing gear door. Use a pin vise and drill bit to drill holes for the tie wraps that se- cure the gear door. Space the holed on ei- ther side of the centerline drawn in the previous step.
  • Page 16 P-51D MUSTANG Instruction Manual. 8) Use a small amount of low-tack tape to PLASTIC COVER ASSEMBLY. tape door spacer to the back of the retract door. 9) Place the door in position. The door should lightly touch the wheel well. Use CA to glue the spacer to the back of the door.
  • Page 17 Elevator servo. Throttle servo. Rudder servo. Trim and cut. THROTTLE SERVO ARM INSTALLATION. Install the Z-bend in the servo arm as same as picture below: Switch. INSTALLING THE ENGINE SWITCH. Throttle servo arm. Trim and cut. INSTALLING THE RECEIVER SWITCH. Install the switch into the precut hole in the side, in the fuselage.

  • Page 18: Installing The Stopper Assembly

    P-51D MUSTANG Instruction Manual. Vent tube. Fuel pick up tube. INSTALLING THE STOPPER ASSEMBLY. 1) Using a modeling knife, carefully cut off the rear portion of one of the 3 nylon Fuel fill tube. tubes leaving 1/2” protruding from the rear of the stopper.

  • Page 19: Engine Mount Installation

    Blow through one of the lines to ensure the fuel lines have not become kinked inside the fuel tank compartment. Air should flow through easily. ENGINE MOUNT INSTALLATION. 1) Locate the items necessary to install C/A glue. Balsa wood. the engine mount included with your model.

  • Page 20: Mounting The Engine

    P-51D MUSTANG Instruction Manual. 4) On the fire wall has the location for MOUNTING THE ENGINE. the throttle pusshrod tube (pre-drill). 1) Position the engine with the drive 5) Slide the pushrod tube in the firewall washer (127mm) forward of the firewall and guide it through the fuel tank mount.
  • Page 21 2) 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. 8) Connect the Z-bend in the 450mm throttle pushrod to the outer hole of the thottle servo arm.
  • Page 22 P-51D MUSTANG Instruction Manual. 4) Slide the muffler screws through the engine. Place the mufflr extension and gaskets included with the engine on the screws. Be careful when mounting the cowl so the screws and extension remain in position until the mufflr can be at- tached.
  • Page 23 - Motor: 46 ( 925-1200 Watt) - Propeller: 12 x8 ~ 14x10 - ESC: 60A- 80A - Lipo Batteries: 4S - 5S 3) Attach the electric motor box to the firewall suitable with the cross lines drawn on the electric motor box and fire- wall.

  • Page 24: Installing The Spinner

    P-51D MUSTANG Instruction Manual. INSTALLING THE SPINNER. Epoxy 127mm The propeller should not touch any Balsa stick. part of the spinner cone. If it does, use a sharp modeling knife and carefully trim away the spinner cone where the propel- ler comes in contact with it.

  • Page 25: Installing The Horizontal Stabilizer

    2) Carefully remove the elevator from one of the horizontal stabilizer panels. Note the position of the hinges. 3) Remove each hinge from the horizon- tal stabilizer panel and elevator and place a T-pin in the center of each hinge.Epoxy Epoxy.
  • Page 26 P-51D MUSTANG Instruction Manual. Trim and cut Cut. When cutting through the covering to remove it, cut with only enough pressure to only cut through the covering itself. Cut- 3) Slide the stabilizer into place in the ting into the balsa structure may weaken precut slot in the rear of the fuselage.

  • Page 27: Hinging The Rudder

    Epoxy. HINGING THE RUDDER. Glue the top two rudder hinges in place using the same techniques used to hinge the ailerons. The lower hinge will be glued when the fin/rudder assembly is attached to the fu- selage. Rudder fiberglass control horn. INSTALLING VERTICAL STABILIZER INSTALL RUDDER CONTROL HORN.
  • Page 28 P-51D MUSTANG Instruction Manual. Vertical Stabilizer. Horizontal 90º Stabilizer. Fill Epoxy 2) Slide the vertical stabilizer into the slot in the top of the fuselage. The rear edge of the stabilizer should be flush with the rear edge of the fuselage and the lower rudder hinge should engage the precut hinge slot in the lower fuselage.

  • Page 29: Elevator Pushrod Installation

    ELEVATOR PUSHROD M2 lock nut. M2 clevis. INSTALLATION. 1) Install the elevator control horn using the same method as with the aileron con- trol horns. 2) Position the elevator control horn on the both side of elevator. Elevator control horn. 3) Thread one clevis and M2 lock nut on Nylon Snap Keeper.

  • Page 30: Mounting The Tail Wheel

    P-51D MUSTANG Instruction Manual. M2 lock nut. M2 clevis. Pen. MOUNTING THE TAIL WHEEL.
  • Page 31 Epoxy.
  • Page 32 The Pilot included fitting well to the with epoxy glue or special “canopy glue”. cockpit. (or you can order others scale pilot figures made by SG Models. They are available at SG Models distributors.) If you are going to install a pilot figure, please use a sanding bar to sand the base of the figure so that it is flat.
  • Page 33 5) Tighten the antenna is removeable so INSTALLING BATTERY - RECEIVER. you can install it at the flying field to pre- vent damage in transporting. 1) Plug the servo leads and the switch lead into the receiver. Plug the battery pack lead into the switch also.
  • Page 34 P-51D MUSTANG Instruction Manual. With the wing attached to the fuselage, all parts of the model installed ( ready to fly), and empty fuel tanks, hold the mod- el at the marked balance point with the stabilizer level. Lift the model. If the tail drops when you lift, the model is “tail heavy”...

  • Page 35: Control Throws

    CONTROL THROWS. HIGH RATE LOW RATE Ailerons: Ailerons: 13mm 10mm Down: 10mm Down: Elevator: Elevator: 18mm 14mm Down: 18 mm Down: 14 mm Rudder: Rudder: Right: 25mm Right: 20mm Left: 25 mm Left: 20 mm Flaps: Mid: 19mm Landing: 38 mm...

  • Page 36: Flight Preparation

    P-51D MUSTANG Instruction Manual. FLIGHT PREPARATION. PREFLIGHT CHECK. Check the operation and direction 1) Completely charge your trans- of the elevator, rudder, ailerons and mitter and receiver batteries before throttle. your first day of flying. A) Plug in your radio system per the 2) Check every bolt and every glue manufacturer’s instructions and turn joint in the...

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