Seagull Models SEA158 User manual

“Graphics and specifications may change without notice”.

MS:158

ASSEMBLY MANUAL

Specifications:

Wingspan------------------------------70.9in(180cm).

Wingarea-----------------644.8sq.in(41.6sqdm).

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-------------------6channelswith8servos.

Electric conversion:optional

GLASAIR SPORTSMAN G2-2. Instruction Manual.

INTRODUCTION.

ThankyouforchoosingtheGLASAIRSPORTSMANG2-2ARTFbySGMODELS.The GLASAIR

SPORTSMANG2-2 wasdesignedwiththeintermediate/advancedsportflyer

in mind. It is a semi

scale airplane which is easy to fly and quick to assemble. The airframe is

conventionallybuilt

usingbalsa,plywoodtomakeitstrongerthantheaverageARTF,yetthedesign

allows the

aeroplane to be kept light. 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 GLASAIR

SPORTSMAN G2-2 is simply a joy.

This instruction manual is designed to help you build a great flying aeroplane. Please read this

manualthoroughlybeforestartingassemblyofyour GLASAIRSPORTSMANG2-2 .Usetheparts

listing below to identify all parts.

WARNING.

Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is

capable of causing injury to people or property. WHEN YOU FLY THIS AEROPLANE YOU

ASSUME ALL RISK & RESPONSIBILITY.

IfyouareinexperiencedwithbasicR/CflightwestronglyrecommendyoucontactyourR/Csupplier

and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training

proceduresdesignedtohelp the new pilotonhiswaytosuccessfulR/Cflight.Theywillalso be able

to advise on any insurance and safety regulations that may apply.

KIT CONTENTS

17 419 17 18

ADDITIONAL ITEMS REQUIRED.

0.75- 0.91 2-stroke.

0.91 - 1.10 4-stroke.

Computer radio with 8 servos.

Glow plug to suit engine.

Propeller to suit engine.

Protective foam rubber for radio

system.

TOOLS & SUPPLIES NEEDED.

Thick cyanoacrylate glue.

30 minute epoxy.

5 minute epoxy.

Hand or electric drill.

Assorted drill bits.

Modellingknife.

Straight edge ruler.

2mm ball driver.

Phillips head screwdriver.

220 grit sandpaper.

90° square or builder’s triangle.

Wire cutters.

Masking tape & T-pins.

Thread-lock.

Paper towels.

1 Fuselage

2 Left wing panel

3 Right wing panel

4 LED lights

5 Tail set

6 Wheel pants(2)

7 Seat(2)

8 landing gear

9 Tail wheel

10 Struts

11 Cowling

12 Fuel tank

13 canopy

14 Wheels and spinner

15 Aluminum wing tube

16 Pilots

17 Hardware bag included

18 Ep conversion pack

19 Engine mount

KIT CONTENTS.TS INSTALL THE AILERONS CONTROL

HORN.

Epoxy

Fiberglass control horn.

Aileroncontrolhorn.

Epoxy

Install the flap control horn using the same

methodassameas theaileron control horns.

INSTALL FLAP CONTROL HORN.

Fiberglass control horn.

GLASAIR SPORTSMAN G2-2. Instruction Manual.

INSTALL ELEVATOR CONTROL

HORN.

Epoxy

Elevatorcontrolhorn.

INSTALL RUDDER CONTROL HORN.

Epoxy.

Repeatsteps toinstall the ruddercontrol horn

as same as steps done for ailerons.

Ruddercontrolhorn.

Epoxy

Fiberglass control horn.

Epoxy

Flap control horn.

Thread locker glue.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install the

engine mount included with your model. .

2) Usefour4x30mmheadbolts and four 4mm

washers to attach the engine mount rails to

thefirewall.Tightenthe screws .Make sureto

use threadlock on the screws to help prevent

them from vibrating loose.

4x30mm.

INSTALLING THE STOPPER ASSEMBLY.

2) Usinga modeling knife,cutone length

ofsiliconfuel line. Connect oneendofthe line

tothe weighted fuelpick up and theotherend

to the nylon pick up tube.

1) Using a modeling knife, carefully cut

off the rear portion of one of the 3 nylon tubes

leaving 1/2” protruding from the rear of the

stopper. This will be the fuel pick up tube.

Vent tube. Fuel pick up tube.

Fuel fill tube.

GLASAIR SPORTSMAN G2-2. Instruction Manual.

9) Connect the lines from the tank to the engine

and muffler. The vent line will connect to the

muffler and the line from the clunk to the

carburetor.

Fueltank.

Vent tube.

Fuel pick up tube.

Fuel fill tube.

3) Carefully bend the second nylon tube

up at a 45º angle. This tube is the vent tube.

4) Test fit the stopper assembly into the

tank. It may be necessary to remove some of

the flashing around the tank opening using a

modeling knife. If flashing is present, make

sure none falls into the tank.

5) With the stopper assembly in place,

the weighted pick-up should rest away from

therear ofthe tankand movefreely insidethe

tank. The top of the vent tube should rest just

below the top of the tank. It should not touch

the top of the tank.

6) When satisfied with the alignment of

the stopper assembly tighten the 3 x 20mm

machine screw until the rubber stopper ex-

pands and seals the tank opening. Do not

overtighten the assembly as this could cause

the tank to split.

You should mark which tube is the vent

and which is the fuel pickup when you attach

fuel tubing to the tubes in the stopper. Once

thetank is installedinside the fuselage,it may

be difficult to determine which is which.

FUEL TANK INSTALLATION.

 7) Slide the fuel tank into the fuselage. Guide

the lines from the tank through the hole in the

firewall.

Fueltank.

 8) Use plywood template to hold in place

the fuel tank with C/A glue to secure the fuel

tank inside the fuselage.

A. C/Aglue.

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.

Throttle servo.

Elevator servo.

Tailwheel servo.

1) Installthe rubber grommetsand brass

colletsonto the throttle servo. Testfittheservo

into the aileron servo mount.

 2) Secure the servos with the screws pro-

vided with your radio system.

Because the size of servos differ, you

mayneedtoadjustthesizeoftheprecutopen-

ing in the mount. The notch in the sides of the

mount allow the servo lead to pass through.

Rudder servo.

THROTTLE SERVO ARM INSTALLATION.

Install adjustableservoconnectorinthe servo

arm as same as picture below:

AdjustableServo

connector.

Servoarm.

Loctite secure.

1PCS.

Throttle servo arm.

Elevator servo arm. Tailwheel servo arm.

Rudder servo arm.

INSTALLING THE SWITCH.

3/32” Hole.

Installtheswitch into theprecuthole in the

side, in the fuselage.

Cut Covering.

Recomend mounting switch inside fuselage if

using floats.

GLASAIR SPORTSMAN G2-2. Instruction Manual.

1) Locate the items neccessary to install

thewheel and wheelpantsto the landinggear

as shown.

WHEEL AND WHEEL PANTS

INSTALLATION.

2) Follow diagram below for wheel pant

installation:

Use a drill and 4.2mm drill bit to drill a hole in

the wheel pants.

8mm.

14mm.

3) You have to trim each axle using a tool

cutting and cut-off wheel.

Caution when cutting the axles and wear

protective goggles.

Drill a hole.

wheel collar.

wheel.

Axle.

Washer. M3.

wheel Pant.

wheel.

M3.

wheel collar.

nut. Axle.

Washer.

M3.

4) Slidethecollarto the axleandsetscrew

the collars to secure the collar to the axle and

thensliderthe wheel ontheaxle with adropof

oilontheaxlesothewheelwill spinfreelywhen

installed. Prepare a second collar and tighten

the setscrew using hex wrench to secure the

collar to the axle.

5) Place the wheel assembly in the wheel

pants. The threaded portion of the axle will fit

the notch of the wheel pant as shown.

SwitchInstallation.

1) The blind nuts for securing the landing

geararealready mounted insidethefuselage.

2) Usingthe hardware provided,mount the

main landing gear to the fuselage.

INSTALLING THE MAINLANDING GEAR.

6) Slide the threaded end of the axle

through the hole in the bottom of the landing

gear leg. Use a washer and locknut to tighten

the axle to the landing gear. Make sure to use

threadlock on the nut so it won’t vibrate loose

in flight as shown.

C/Aglue.

LandingGear. wheel Pant.

Lockerglue.

 7) Tighten the setcrews using a hex

wrench to secure the collars on the axle over

the flat spot to retain the wheel as shown.

Repeat steps as above to attach remain-

ing wheel pants to the landing gear.

4x20 mm.

145mm.

MOUNTING THE ENGINE.

 1) Positiontheenginewiththedrivewasher

(145mm) forward of the firewall as shown.

2) Use a pin drill and 4mm drill bit to drill a

small indentation in the mount for the engine

mounting screw.

GLASAIR SPORTSMAN G2-2. Instruction Manual.

5) Slide the pushrod tube in the firewall and

guide it through the fuel tank mount. Use

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.

Pushrod tube hole.

7) Slide the throttle pushrod wire into the tube.

Position the engine between the mounts. Use

four M4x30mm machine screws to secure the

engine to the mount as shown.

Machinescrew M4x30mm.

Pushrodwire.

8) Move the throttle stick to the closed position

and move the carburetor to closed. Use a 2.5mm

hex

wrench

tighten

the

screw

that

secures

the

throttle

pushrod

wire.

Make

sure

use

threadlock

the

screw

does

not

vibrate

loose.

3) Use a drill to drill the four holes in the engine

mount rails.

4) On the fire wall has the location for the

throttle pusshrod tube (pre-drill).

4.5mm.

4mm.

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