Seagull Models BUNKER BU 133 Instruction Manual
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Seagull Models BUNKER BU 133 Instruction Manual

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WWW.SEAGULLMODELS.COM
A S S E M B L Y M A N U A L
MS: 212
" Graphics and specifications may change without notice " .
Specifications:
Wingspan---------------65.0 in (165 cm).
Wing area----------------1240.0 sq.in (80.0 sq.dm).
Weight--------------------11.0 lbs (5.0 kg).
Fuselage Length--------57.8 in (146.80cm).
Engine-------------------0.9cu.in - 2 stroke.
----------------------------1.2cu.in - 4 stroke.
----------------------------20-22cc gasoline engine
A
R
F
LMOST
EADY TO
LY
Radio--------------------4 channel with 6 servos.
www.seagullmodels.com
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Summary of Contents for Seagull Models BUNKER BU 133

  • Page 1 WWW.SEAGULLMODELS.COM A S S E M B L Y M A N U A L MS: 212 “ Graphics and specifications may change without notice “ . Specifications: Wingspan---------------65.0 in (165 cm). Wing area----------------1240.0 sq.in (80.0 sq.dm). Weight--------------------11.0 lbs (5.0 kg). Fuselage Length--------57.8 in (146.80cm).

  • Page 2: Kit Contents

    You will find that most of the work has been done for you already. The motor mount has been fitted and the hinges are pre-installed. Flying the BUNKER BU 133 is simply a joy. This instruction manual is designed to help you build a great flying earoplane. Please read this manual throughly before starting assembly of your BUNKER BU 133.

  • Page 3: Hinging The Elevators

    WWW.SEAGULLMODELS.COM HINGING THE ELEVATORS. KIT CONTENTS. SEA21201 Fuselage 1) Locate the item for this sectiom of the SEA21202 Wing set manual. SEA21203 Tail set SEA21204 Canopy Hatch SEA21205 Cowling SEA21206 Wing tube SEA21207 Pilot 2) Carefully remove the elevator from one of the horizontal stabilizer panels.

  • Page 4: Hinging The Rudder

    Bunker Bu 133 Instruction Manual. Glue the hinge hinges in place using the same techniques used to hing the ailerons. Epoxy. HINGING THE RUDDER. INSTALL ELEVATOR CONTROL HORN. Glue the rudder hinges in place using Install the elevator control horn using...

  • Page 5: Installing The Fuselage Servos

    WWW.SEAGULLMODELS.COM INSTALL RUDDER CONTROL HORN. Repeat steps to install the rudder control horn as same as steps done for ailerons. Elevator. Rudder control horn. Throttle. Rudder. Elevator. THROTTLE SERVO ARM INSTALLATION. Install adjustable servo connector in the Epoxy. servo arm as same as picture below: Loctite secure.

  • Page 6: Installing The Stopper Assembly

    Bunker Bu 133 Instruction Manual. INSTALLING THE SWITCH RECEIVER. Install the switch into the precut hole in the side, in the fuselage. 3/32” Hole. Switch. INSTALLING THE STOPPER ASSEMBLY. 1) Using a modeling knife, carefully cut off the rear portion of one of the 3 nylon tubes leaving 1/2”...

  • Page 7: Fuel Tank Installation

    WWW.SEAGULLMODELS.COM 7) Slide the fuel tank into the fuselage. Guide the lines from the tank through the hole in the firewall. 8) Use plywood template to hold in place the fuel tank with C/A glue to secure the fuel tank inside the fuselage. Vent tube.

  • Page 8: Engine Mount Installation

    Bunker Bu 133 Instruction Manual. MOUNTING THE ENGINE - 2 stroke. 1) Position the engine with the drive washer (145mm) forward of the firewall as shown. Blow through one of the lines to ensure the fuel lines have not become kinked inside the fuel tank compartment.
  • Page 9 WWW.SEAGULLMODELS.COM 4) On the fire wall has the location for the 8) Reinstall the servo horn by sliding the throttle pusshrod tube (pre-drill). connector over the pushrod wire. Center the throttle stick and trim and install the 5) Slide the pushrod tube in the firewall servo horn perpendicular to the servo and guide it through the fuel tank mount.
  • Page 10 Bunker Bu 133 Instruction Manual. Drill hole 3mm. Epoxy. Cut.
  • Page 11 WWW.SEAGULLMODELS.COM 2) While keeping the back edge of the cowl flush with the marks, align the front of the cowl with the crankshaft of the engine. The front of the cowl should be positioned so the crankshaft is in nearly the middle of the cowl opening.

  • Page 12: Installing The Propeller

    Bunker Bu 133 Instruction Manual. 2) Use a pin drill and 4mm drill bit to INSTALLING THE PROPELLER. drill a small indentation in the mount for the engine mounting screw. 3) Use a drill to drill the four holes in the engine mount rails.
  • Page 13 WWW.SEAGULLMODELS.COM COWLING. 1) Slide the fiberglass cowl over the en- gine and line up the back edge of the cowl with the marks you made on the fuselage then trim and cut as shown. Because of the size of the cowl, it may be nec- essary to use a needle valve extension for the high speed needle valve.
  • Page 14 Bunker Bu 133 Instruction Manual. 3) Install the muffler and muffler extension onto the engine and make the cutout in the cowl for muffler clearance. Connect the fuel and pressure lines to the carburetor, muffler and fuel filler valve. Secure the cowl to fuse- lage using the M3x10mm screws.

  • Page 15: Installing The Aileron Servos

    WWW.SEAGULLMODELS.COM 3) Use drill bit in a pin vise to drill the mouting holes in the blocks. INSTALLING THE AILERON SERVOS. 4) Apply 2-3 drops of thin C/A to each of the mounting holes. Allow the C/A to cure without using accelerator. Servos Small weight Thread...
  • Page 16 Bunker Bu 133 Instruction Manual. 7) Apply 1-2 drops of thin C/A to each of the mounting tabs. Allow the C/A to cure without using accelerator. C/A glue 8) A string has been provided in the wing to pull the aileron lead through to the 9) Set the aileron hatch in place and use a wing root.

  • Page 17: Installing The Horizontal Stabilizer

    WWW.SEAGULLMODELS.COM 3) Slide the stabilizer into place in the precut slot in the rear of the fuselage. The stabilizer should be pushed firmly against the front of the slot. Metal clevis. Hex Nut. Fuel tubing. 4) With the stabilizer held firmly in place, INSTALLING THE HORIZONTAL use a pen and draw lines onto the stabi- STABILIZER.

  • Page 18: Installing Vertical Stabilizer

    Bunker Bu 133 Instruction Manual. When cutting through the covering to re- move it, cut with only enough pressure to only cut through the covering itself. Cutting into the balsa structure may weaken it. 6) Using a modeling knife, carefully re-...
  • Page 19 WWW.SEAGULLMODELS.COM 2) While holding the vertical stabilizer firmly in place, use a pen and draw a line on each side of the vertical stabilizer where it meets the top of the fuselage. 4) When you are sure that everything is aligned correctly, mix up a generous amount of Flash 30 Minute Epoxy.

  • Page 20: Instruction Manual

    Bunker Bu 133 Instruction Manual. M2 clevis. M2 lock nut. Metal clevis. Fuel tubing. Hex nut. Elevator pushrod. RUDDER PU SHROD HORN Nylon Snap keeper. INSTALLATION. M2 clevis. M2 lock nut.

  • Page 21: Mounting The Tail Wheel

    WWW.SEAGULLMODELS.COM MOUNTING THE TAIL WHEEL. Locate items necessary to imstall tail gear. Rudder pushrod. Metal clevis. Fuel tubing. Hex nut.
  • Page 22 Bunker Bu 133 Instruction Manual. Nose wheel steering arm. C/A glue. INSTALLING THE MAIN LANDING GEAR TO FUSELAGE. Metal clevis.
  • Page 23 WWW.SEAGULLMODELS.COM Thread a mounting screw into each of the holes to cut threads in the surround- ing wood. Apply a small amount of thin CA to harden the threads make by the screws. Position the landing gear so it rakes forward. Use the screws and land- ing gear straps to secure the landing gear to the bottom of the fuselage.

  • Page 24: Cabane Strut Installation

    Bunker Bu 133 Instruction Manual. Mark. CABANE STRUT INSTALLATION. 1) Loacte the items for this section of the manual. 3x6mm 3x10mm 2) Attach the cabane struts to the fuselage according to the length as shown.
  • Page 25 WWW.SEAGULLMODELS.COM 3x10mm 1) Locate items necessary to install pilot, seats. INSTALLATION PILOT AND CANOPY.

  • Page 26: Apply The Decals

    Bunker Bu 133 Instruction Manual. 2) A scale pilot is included with this ARF. The Seagull Pilot included fitting well to the cockpit. (or you can order others scale pilot figures made by Seagull factory. They are available at Seagull distributors.)

  • Page 27: Installing The Receiver

    WWW.SEAGULLMODELS.COM 2) If all the decals are not precut, please ATTACHMENT WING- FUSELAGE. use scissors or a sharp hobby knife to cut the decals from the sheet. Please be cer- Attach the aluminium tube into fuselage. tain the model is clean and free from oily fingerprints and dust.
  • Page 28 Bunker Bu 133 Instruction Manual. 2) Attach the two wing struts to the top of lower wing pant using an M3x20mm nachine screw. 4x10mm INSTALLATION WING STRUTS. 1) Loacte the items for this section of the 3) Repeat steps to prepare the remaining manual.

  • Page 29: Installation Cable

    WWW.SEAGULLMODELS.COM INSTALLATION CABLE 1)Prepare one end of the cable by attach- ing a cable end using a copper crimp. Thread a nut, then a clevis, on the cable end as shown. Prepare only one end of each cable at this time. Crimp M3 clevis Metal Cable.
  • Page 30 Bunker Bu 133 Instruction Manual. 4) Locate the wing transport frams and rubber bands. Slide the frames between the top and the bottom wing as shown. Use a rubber band to hold the frame to the top and bottom wing.
  • Page 31 WWW.SEAGULLMODELS.COM Accurately mark the balance point on the botttom of the wing on both sides of the fuselage. The balance point is located 180mm 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 32: Control Throws

    Bunker Bu 133 Instruction Manual. CONTROL THROWS. Ailerons: Up : 20 mm 180 mm Down : 20 mm Elevator: Up : 20 mm Down : 20 mm Rudder: Right : 30 mm Left : 30 mm...

  • Page 33: Flight Preparation

    2) Check every bolt and every glue A) Plug in your radio system per the joint in the BUNKER BU 133 to en- manufacturer’s instructions and turn sure that everything is tight and well everything on.

This manual is also suitable for:

Sea212

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