Seagull Models JU-87 STUKA Assembly Manual
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Seagull Models JU-87 STUKA Assembly Manual

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A S S E M B L Y M A N U A L
JU-87 STUKA GIANT SCALE
" Graphics and specifications may change without notice " .
Code: SEA284
Specifications:
Wingspan---------------90 in (228.6 cm).
Wing area---------------1328.7 sq.in (85.7 sq.dm).
Weight-------------------17.6 lbs (8.0 kg).
Length-------------------68.3 in (173.4 cm).
Gasoline Engine--------38-50cc
Radio--------------------7 channels with 7 servos.
1

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Summary of Contents for Seagull Models JU-87 STUKA

  • Page 1 A S S E M B L Y M A N U A L JU-87 STUKA GIANT SCALE “ Graphics and specifications may change without notice “ . Code: SEA284 Specifications: Wingspan---------------90 in (228.6 cm). Wing area---------------1328.7 sq.in (85.7 sq.dm).

  • Page 2: Kit Contents

    JU-87 Instruction Manual. INTRODUCTION. Thank you for choosing the JU-87 ARF by SG MODELS . The JU-87 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, ply- wood to make it stronger than the average ARF, yet the design allows the aeroplane to be kept light.

  • Page 3: Hinging The Aileron

    KIT CONTENTS. HINGING THE AILERON. SEA284 JU-87 STUKA GIANT 1. Fuselage 2. Wing set 3. Tail set 4. Canopy 5. Cowling 6. Pilot 7. Aluminum wing tube 8. Wheel pants ADDITIONAL ITEMS REQUIRED. 38-50cc gasoline engine. � 2x10mm Computer radio with 7 servos.
  • Page 4 JU-87 Instruction Manual. HINGING THE FLAP.
  • Page 5 INSTALL THE AILERONS CONTROL HORN. Epoxy. Fiberglass control horn Flap control horn. Epoxy. Epoxy. Aileron control horn. INSTALL LED LIGHT. Epoxy. INSTALL FLAP CONTROL HORN. Install the flap control horn using the same method as same as the aileron con- trol horns.
  • Page 6 JU-87 Instruction Manual. Epoxy. HINGING THE FLAP FOR CENTER WING. 1) Repeat steps to install hinging for center wing as same as steps done for ai- lerons. 3) Slide the wing tube into the wing tube socket. 2) Then, fit the joiner wire into the flap of center wing as below pictures.

  • Page 7: Installing The Aileron Servos

    4) Slide the wing panel into position, INSTALLING THE AILERON SERVOS. guiding the extensions from the side wing into center wing. 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.
  • Page 8 JU-87 Instruction Manual. 7) Apply 1-2 drops of thin C/A to each of 3) Use drill bit in a pin vise to drill the the mounting tabs. Allow the C/A to cure mouting holes in the blocks. without using accelerator. 4) Apply 2-3 drops of thin C/A to each of the mounting holes.

  • Page 9: Aileron Pushrod Installation

    AILERON PUSHROD INSTALLATION. Please see below pictures. 100mm M3 clevis. M3 lock nut. 9) Set the aileron hatch in place and use a Phillips screw driver to install it with four wood screws. INSTALLING THE FLAP SERVO. 2x10mm Repeat the procedure as above for the flap servo.

  • Page 10: Installing The Landing Gear

    JU-87 Instruction Manual. INSTALLING THE LANDING GEAR. INSTALLING THE FLAP PUSHROD. Repeat the procedure as aileron push- rod. 100mm M3 lock nut. M3 clevis.
  • Page 12 JU-87 Instruction Manual. 3x10mm...
  • Page 13 3x10mm...
  • Page 14 JU-87 Instruction Manual. INSTALLING THE BOMB ON THE WINGS. Epoxy. Epoxy.
  • Page 15 Epoxy.

  • Page 16: Installing The Fuselage Servos

    JU-87 Instruction Manual. THROTTLE SERVO ARM INSTALLATION. Epoxy. Install adjustable servo connector in the servo arm as same as picture below: Loctite secure. Adjustable servo connector. Servo arm. Throttle servo arm. INSTALLING THE FUSELAGE SERVOS. INSTALLING THE RECEIVER SWITCH. Because the size of servos differ, you may need to adjust the size of the precut Install the switch into the precut hole in opening in the mount.
  • Page 17 2) Using a modeling knife, cut one length of silicon fuel line. Connect one end of the line to the weighted fuel pick up and the other end to the nylon pick up tube. Switch. INSTALLING THE ENGINE SWITCH. Trim and cut. Vent tube.

  • Page 18: Fuel Tank Installation

    JU-87 Instruction Manual. 6) When satisfied with the alignment of the Vent tube. stopper assembly tighten the 3 x 20mm ma- chine screw until the rubber stopper expands and seals the tank opening. Do not over- tighten the assembly as this could cause the tank to split.
  • Page 19 Blind nut. 6.5 mm 5x100 mm 6.5 mm...
  • Page 20 JU-87 Instruction Manual. 170mm 1) 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. 2) Move the throttle stick to the closed po- sition and move the carburetor to closed.
  • Page 21 ELECTRIC POWER CONVERSION. 1) Locate the items necessary to install 6.5mm the electric power conversion included with your model. 6.5mm 2) Recommend the items necessary to in- stall the electric power conversion parts included with your model. - Motor: 360 - 6000 Watt - Propeller: 24x10 ~ 25x12 - ESC: 160A- 200A - Lipo: 12S...
  • Page 22 JU-87 Instruction Manual. M5x20mm M5x25mm 170mm Blind nut. 4) Attach the motor to the front of the electric motor box using four 4mm blind nut, four M5x20mm hex head bolts to se- cure the motor. Please see picture shown. 5) Attach the speed control to the side of the motor box using two-sided tape 6.5mm and tie wraps.
  • Page 23 COWLING. 2) Use a drill and drill bit to drill the holes 1) Tape the cowl to the fuselage using for the cowl mounting screws. Make sure low-tack tape. the cowl position is correct before drill- ing each hole.
  • Page 24 JU-87 Instruction Manual. 3) 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 25: Installing The Spinner

    INSTALLING THE SPINNER. The propeller should not touch any 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. Epoxy. Insert plastic cover on the cowling. HINGING THE ELEVATOR.

  • Page 26: Hinging The Rudder

    JU-87 Instruction Manual. INSTALL ELEVATOR CONTROL HORN. Fiberglass control horn. Epoxy. Epoxy. Elevator fiberglass control horn. Epoxy. HINGING THE RUDDER. Glue the top three rudder hinges in place using the same techniques used to hinge the elevator. The lower hinge will be glued when the fin/rudder assembly is attached to the fu- selage.

  • Page 27: Installing The Horizontal Stabilizer

    INSTALLING THE HORIZONTAL STABILIZER. 1) Using a ruler and a pen, locate the centerline of the horizontal stabilizer, at the trailing edge, and place a mark. Use a triangle and extend this mark, from back to front, across the top of the stabilizer. Also extend this mark down the back of the trailing edge of the stabilizer.

  • Page 28: Installing Vertical Stabilizer

    JU-87 Instruction Manual. 7) When you are sure that everything is 4) With the stabilizer held firmly in place, aligned correctly, mix up a generous use a pen and draw lines onto the stabi- amount of 30 Minute Epoxy. Apply a thin lizer where it and the fuselage sides meet.
  • Page 29 1) Using a modeling knife, remove the covering from over the precut hinge slot cut into the lower rear portion of the fu- selage. This slot accepts the lower rudder hinge. Epoxy. 4) Slide the vertical stabilizer back in- place. Using a triangle, check to ensure that the vertical stabilizer is aligned 90º...

  • Page 30: Elevator Pushrod Installation

    JU-87 Instruction Manual. 4) Elevator and rudder pushrods assem- bly as pictures below. C/A glue. Hinge. ELEVATOR PUSHROD INSTALLATION. Elevator pushrod. 1) Install the elevator control horn using the same method as with the aileron con- trol horns. Cut. M2 clevis. M2 lock nut.

  • Page 31: Mounting The Tail Wheel

    MOUNTING THE TAIL WHEEL. Elevator pushrod. Rudder pushrod. 935mm M2 clevis. M2 lock nut. 860mm Elevator pushrod. M2 lock nut. M2 clevis. Rudder pushrod.
  • Page 32 JU-87 Instruction Manual. Epoxy. TAIL STRUTS INSTALLATION.
  • Page 33 Epoxy. SIDE FORCE GENERATOR OF STABILIZER ASSEMBLY. Epoxy.
  • Page 34 JU-87 Instruction Manual. Epoxy. INSTALLATION PILOT AND CANOPY. 1) Locate items necessary to install pilot, seats. Epoxy. 2) Assembly gun as below steps. Epoxy. Epoxy.
  • Page 35 80mm 152mm 5) Drill hole on canopy. 3) A scale pilot is included with this ARF. The Pilot included fitting well to the 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 36: Apply The Decals

    JU-87 Instruction Manual. 2x8mm APPLY THE DECALS. The decals are sticky-back type. Most are factory die-cut to shape. If you want to trim the edges closer, use a sharp #11 hobby knife. Small decals can be applied by simply removing the paper backing sheet, and then lay the decal in position.
  • Page 37 Battery. Receiver. ATTACHMENT WING- FUSELAGE. Wing bolt. 6x6mm...
  • Page 38 JU-87 Instruction Manual. Epoxy. Epoxy. ADJUSTMENT AILERON. Final step and also really necessary is adjust aileron. Please do it as shown.
  • Page 39 Accurately mark the balance point on the top of the wing on both sides of the fuselage. The balance point is located 130mm back from the leading edge of the wing at the wing root. This is the bal- ance point at which your model should balance for your first flights.

  • Page 40: Control Throws

    JU-87 Instruction Manual. CONTROL THROWS. Ailerons: Rudder: 130mm High Rate : High Rate : Up : 18mm Right : 30mm Left : 30mm Down : 18mm Low Rate : Low Rate : Right : 25mm Up : 13mm Left : 25mm Down : 13mm Flap: Elevator:...

  • Page 41: Flight Preparation

    If it does not, flip the servo reversing to engine and/or airframe failure. switch on your transmitter to change the direction. We wish you many safe and enjoyable flights with your JU-87 STUKA GIANT.
  • Page 42 JU-87 Instruction Manual. 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 Thanh Ward - Hoc Mon District - Ho Chi Minh City - Viet Nam. Office : 62/8 Ngo Tat To Street - Ward 19 - Binh Thanh District - Ho Chi Minh City - Viet Nam Phone : 848 - 37114542 or 848- 36018777...

This manual is also suitable for:

Sea284

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