Seagull Models GLASAIR Sportsman GS-2 Assembly Manual
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Seagull Models GLASAIR Sportsman GS-2 Assembly Manual

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MS:158
ASSEMBLY MANUAL
"Graphics and specifications may change without notice".
Specifications:
Wing span ------------------------------70.9in (180cm).
Wing area -----------------644.8sq.in (41.6sq dm).
Weight ------------------------9.5-11.5lbs (4.3-5.2kg).
Length ------------------------------49.2n (125.0cm).
Engine ------------------ 0.75-0.91cu.in -----2-stroke.
0.91-1.10cu.in -----4-stroke.
Radio ------------------- 6 channels with 8 servos.
Electric conversion: optional

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Summary of Contents for Seagull Models GLASAIR Sportsman GS-2

  • Page 1 MS:158 ASSEMBLY MANUAL “Graphics and specifications may change without notice”. Specifications: Wing span ------------------------------70.9in (180cm). Wing area -----------------644.8sq.in (41.6sq dm). Weight ------------------------9.5-11.5lbs (4.3-5.2kg). Length ------------------------------49.2n (125.0cm). Engine ------------------ 0.75-0.91cu.in -----2-stroke. 0.91-1.10cu.in -----4-stroke. Radio ------------------- 6 channels with 8 servos. Electric conversion: optional...

  • Page 2: Kit Contents

    GLASAIR SPORTSMAN G2-2 INTRODUCTION. Thank you for choosing the GLASAIR SPORTSMAN G2-2 ARTF by SEAGULL MODELS COMPANY LTD. The GLASAIR SPORTSMAN G2-2 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 ARTF , yet the design allows the aeroplane to be kept light.

  • Page 3: Additional Items Required

    www.seagullmodels.com CONTENTS.TS INSTALL THE AILERONS CONTROL HORN. Fuselage Left wing panel Right wing panel LED lights Tail set Wheel pants(2) Seat(2) landing gear Tail wheel Struts Fiberglass control horn. Cowling Fuel tank canopy Wheels and spinner Aluminum wing tube Pilots Hardware bag included Ep conversion pack Engine mount...
  • Page 4 Instruction Manual. GLASAIR SPORTSMAN G2-2 Elevatorcontrol horn. Epoxy Epoxy INSTALL RUDDER CONTROL HORN. Flap control horn. Repeat steps to install the rudder control horn as same as steps done for ailerons. Epoxy Fiberglass control horn. INSTALL ELEVATOR CONTROL HORN. Epoxy. Fiberglass control horn.

  • Page 5: Engine Mount Installation

    www.seagullmodels.com INSTALLING THE STOPPER ASSEMBLY. ENGINE MOUNT INSTALLATION. 1) Using a modeling knife, carefully cut 1) Locate the items necessary to install the off the rear portion of one of the 3 nylon tubes engine mount included with your model. . leaving 1/2”...

  • Page 6: Fuel Tank Installation

    Instruction Manual. GLASAIR SPORTSMAN G2-2 8) Use plywood template to hold in place 3) Carefully bend the second nylon tube the fuel tank with C/A glue to secure the fuel up at a 45º angle. This tube is the vent tube. tank inside the fuselage.

  • Page 7: Installing The Fuselage Servos

    www.seagullmodels.com Loctite secure. Adjustable Servo connector. Servo arm. 1 PCS. Throttle servo arm. Rudder servo arm. Blow through one of the lines to en- sure the fuel lines have not become kinked inside the fuel tank compartment. Air should flow through easily. INSTALLING THE FUSELAGE SERVOS.
  • Page 8 Instruction Manual. GLASAIR SPORTSMAN G2-2 4) Slide the collar to the axle and setscrew the collars to secure the collar to the axle and then slider the wheel on the axle with a drop of oil on the axle so the wheel will spin freely when installed.

  • Page 9: Installing The Main Landing Gear

    www.seagullmodels.com 6) Slide the threaded end of the axle Repeat steps as above to attach remain- through the hole in the bottom of the landing ing wheel pants to the landing gear. gear leg. Use a washer and locknut to tighten the axle to the landing gear.
  • Page 10 Instruction Manual. GLASAIR SPORTSMAN G2-2 5) Slide the pushrod tube in the firewall and guide it through the fuel tank mount. Use 4mm. medium C/A to glue the tube to the firewall and the fuel tank mount. 6) Connect the Z-bend in the 450mm throttle pushrod to the outer hole of the carburetor arm.
  • Page 11 www.seagullmodels.com 2)Install LED lights at the top Cowling. COWLING. 1)Slide the fiberglass cowl over the engine and line up the back edge of the cowl with the marks you made on the fuselage then trim and cut as shown. Drill a hole 5mm. Trim and cut.
  • Page 12 Instruction Manual. GLASAIR SPORTSMAN G2-2 3) Install the muffler and muffler extension onto the engine and make the cutout in the cowl for muffler clearance. Connect the fuel C/A glue. and pressure lines to the carburetor, muffler and fuel filler valve. Secure the cowl to fuse- lage using the M3x10mm screws.
  • Page 13 www.seagullmodels.com M4x20mm 4mm. 3) Attach the motor to the front of the electric motor box using four 4mm blind nut, four M3x15mm hex head bolts to secure the motor. Please see picture shown. Blind nut. M3x15mm. 4mm. 145mm.

  • Page 14: Installing The Spinner

    Instruction Manual. GLASAIR SPORTSMAN G2-2 Recomend Mounting Speed Control inside Balsa stick. Fuselage If Flying off Water. Electric motor. Speed control. Epoxy. 4) Locate the plywood battery tray to the fuselage. Tighten the screws using machine screws M3x15mm to secure the tray in position. INSTALLING THE SPINNER.

  • Page 15: Installing The Aileron - Flap Servos

    www.seagullmodels.com INSTALLING THE AILERON - FLAP 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. C/A glue. Because the size of servos differ, you may need to adjust the size of the precut open- ing in the mount.
  • Page 16 Instruction Manual. GLASAIR SPORTSMAN G2-2 C/A glue. 8) A string has been provided in the wing to pull the aileron lead through to the wing root. Remove the string from the wing at the servo location and use the tape to attach it to the servo extension lead.
  • Page 17 www.seagullmodels.com M2 clevis. M2 lock nut. 70mm. Wing. M2 lock nut. 9) Set the aileron hatch in place and use a Phillips screw driver to install it with four wood screws. Aileron. INSTALLING THE FLAP SERVO Repeat the procedure for the aileron servo. M2x10mm Wing.

  • Page 18: Installing The Horizontal Stabilizer

    Instruction Manual. GLASAIR SPORTSMAN G2-2 INSTALLING THE HORIZONTAL STABILIZER. 1) Using a ruler and a pen, locate the centerline of the horizontal stabilizer, at the trail- ing edge, and place a mark. Use a triangle and extend this mark, from back to front, across the top of the stabilizer.
  • Page 19 www.seagullmodels.com Epoxy. Epoxy. 3) Slide the vertical stabilizer back in place. Using a triangle, check to ensure that the vertical stabilizer is aligned 90º to the hori- zontal stabilizer. Vertical Stabilizer. Epoxy. Horizontal 90º Stabilizer. INSTALLING VERITICAL STABILIZER. Epoxy. 1) Using a modeling knife, remove the covering from over the precut hinge slot cut into the lower rear portion of the fuselage.
  • Page 20 Instruction Manual. GLASAIR SPORTSMAN G2-2 M2 lock nut. Control horn. Rudder pushrod. Metal clevis. Rudder pushrod. RUDDER PUSHROD HORN ELEVATOR PUSHROD HORN INSTALLATION. INSTALLATION. 1) Install the elevator control horn using the same method as with the aileron control horns. 2) Position the elevator control horn on the both side of elevator.
  • Page 21 www.seagullmodels.com 760mm. Epoxy. M2 clevis. M2 lock nut. 790mm. Elevator pushrod. 2) Temporarily mount the tailwheel Control horn. assembly to the bottom of rudder. Do not glue at this time. Slide the nylon tailwheel support brackets to be evenly spaced along the tailwheel wire.
  • Page 22 Instruction Manual. GLASAIR SPORTSMAN G2-2 Tail Wheel pushrod TAILWHEEL PUSHROD HORN INSTALLATION THE WING STRUTS. INSTALLATION. Epoxy. Wing set.
  • Page 23 www.seagullmodels.com INSTALLATION PILOT AND CANOPY. Wing set. 1) Locate items necessary to install pilot, seats and canopy. Epoxy. INSTALLATION FUSELAGE STRUTS . 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 M4x20mm.

  • Page 24: Apply The Decals

    Instruction Manual. GLASAIR SPORTSMAN G2-2 Recomend Wrapping Receiver in Plastic Bag or Baloon if flying off water. Receiver. C/A glue. Battery. C/A glue. APPLY THE DECALS. 1) If all the decals are precut and ready to stick. Please be certain the model is clean and free from oily fingerprints and dust.
  • Page 25 www.seagullmodels.com Insert two wing panels as pictures below. INSTALLATION WING-FUSELSGE STRUTS . M3x10mm. Wing Screw. 2mm. Wing M3x10mm. M3x25mm.
  • Page 26 Instruction Manual. GLASAIR SPORTSMAN G2-2 OPTIONAL FLOAT SET FOR GLASAIR SPORTMAN . 1) Install Struts onto floats. Screw. M3x10mm. M4x20mm. Screw.
  • Page 27 www.seagullmodels.com M4x10mm. Screw. M4x10mm. Screw. 2)Install Water Rudder.
  • Page 28 Instruction Manual. GLASAIR SPORTSMAN G2-2 Screw. Screw. M3x25mm. Screw. Add Rubber Band.
  • Page 29 www.seagullmodels.com 4)Install water rudder control bellcrank to 3)Float attachment to fuselage. . fuselage. M3x15mm. M4x20mm. Screw. M4x20mm. M3x15mm. Screw. Screw.
  • Page 30 Instruction Manual. GLASAIR SPORTSMAN G2-2 5)Install water rudder control cables. BALANCING. 1) It is critical that your airplane be balanced correctly. Improper balance will cause your plane to lose control and crash. THE CENTER OF GRAVITY IS LOCATED 60 MM BACK FROM THE LEADING EDGE OF THE WING AT THE WING ROOT.

  • Page 31: Control Throws

    www.seagullmodels.com Accurately mark the balance point on the CONTROL THROWS. botttom of the wing on both sides of the Ailerons: 12mm - 15mm up fuselage. The balance point is located 60 mm 12mm - 15mm down. back from the leading edge of the wing at the wing root.

  • Page 32: Preflight Check

    Instruction Manual. GLASAIR SPORTSMAN G2-2 5) If your radio transmitter is equipped PREFLIGHT CHECK. with dual rate switches double check that they 1) Completely charge your transmitter are on the low rate setting for your first few and receiver batteries before your first day of flights.

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