Seagull Models SPACE WALKER II User manual

MadeinVietnam.

“Graphics and specfications may change without notice”.

Kit features.

• Ready-made—minimalassembly&finishingrequired.

• Ready-coveredcovering.

• Photo-illustratedstep-by-stepAssemblyManual.

Specifications

Wingspan----------------------------------------82.7in-------------------------210cm.

Wing area----------------------------------- 1086 sq.in--------------------- 70 sq.dm.

Approximate flying weight------------------ 11 lbs------------------------------- 5kg.

Length--------------------------------------------58.7in--------------------------149cm.

Recommended engine size---------- .1.2-1.5 cu.in--------------------- 4-stroke.

Radio System required 4 channels with 6 digital servos/karbonite

or metal gear.

Flying skill level Intermediate/advanced.

Hand-made Almost Ready to Fly R/C Model Aircraft

ASSEMBLY MANUAL MS: 61

SPACE WALKER II Instruction Manual

INTRODUCTION.

Thank you for choosing the SPACE WALKER II ARTF by SEAGULL MODELS. The SPACE

WALKERII wasdesignedwith theintermediate/advancedsportflyerinmind.Itisa scale airplane

whichiseasytoflyandquicktoassemble.Theairframeisconventionallybuiltusingbalsa,plywood

tomakeitstrongerthantheaverageARTF,yetthedesignallowstheaeroplanetobekeptlight.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 SPACE WALKER II is simply a joy.

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

manualthoroughlybeforestartingassemblyofyourSPACEWALKERII.Usethepartslistingbelow

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.

If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C

supplierandjoinyourlocalR/CModelFlyingClub.R/CModelFlyingClubsofferavarietyoftraining

proceduresdesignedtohelpthenewpilotonhiswaytosuccessfulR/Cflight.Theywillalsobeable

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

ADDITIONAL ITEMS REQUIRED.

.1.2-1.5 4-stroke engine

6digital servos/karbonite

or metal gear.

Glow plug to suit engine

Propeller to suit engine

Protective foam rubber for radio

system

Silicone fuel line

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

PARTS LISTING.

FUSELAGE ASSEMBLY

(1) Fuselage

(1) Canopy hatch

WING ASSEMBLY

(1) Right wing half/ aileron

(1) Left wing half with/ aileron

(1) Aluminium dihedral brace

Tail section assembly

(1) Horizontal stabilizer/ elevator

halves.

(1) Rudder halves.

Some more parts.

HARDWAREPACK

COWLING

Landinggear.....

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NOTE: To avoid scratching your new aero-

planewesuggestthatyoucoveryour

workbench with an old towel. Keep a

couple of jars or bowls handy to hold

the small parts after you open the

bags.

Pleasetrialfitallparts.Makesureyou

have the correct parts and that they

fit and are aligned properly before

gluing! This will ensure proper as-

semblyasthe SPACEWALKERII is

made from natural materials and

minor adjustments may have to be

made. Thepaint and plastic parts

used in this kit are fuel proof. How-

ever, they are not tolerant of many

harshchemicalsincludingthefollow-

ing:paintthinner,cyano-acrylateglue

accelerator, cyanoacrylate glue de-

bonderandacetone.Donotletthese

chemicals come in contact with the

coloursonthe coveringandtheplas-

tic parts.

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

2)Remove each hinge from thewing panel

and aileron and place a T-pin in the center of

each hinge. Slide each hinge into the wing

panel until the T-pin is snug against the wing

panel. This will help ensure an equal amount

ofhingeison either sideofthehingeline when

the aileron is mounted to the aileron.

HINGING THE AILERONS.

3) Slide the wing panel on the aileron until

there is only a slight gap. The hinge is now

centered on the wing panel and aileron.

Remove the T-pins and snug the aileron

against the wing panel.A gap of 1/64” or less

shouldbe maintained betweenthe wing panel

andaileron.

The control surfaces, including the

ailerons, elevators, and rudder, are

prehinged with hinges installed, but the

hinges are not glued in place. It is

imperativethat you properly adhere the

hingesin placeper the steps that follow

using a high-quality thin C/A glue.

Note:

4)Deflect the aileron and completely

saturate each hinge with thin C/A glue. The

aileronsfrontsurfaceshould lightly contactthe

wing during this procedure. Ideally, when the

hinges are glued in place, a 1/64” gap or less

will be maintained throughout the lengh of the

aileron to the wing panel hinge line.

Note: The hinge is constructed of a special

material that allows the C/A to wick or

penetrateanddistributethroughout the

hinge, securely bonding it to the wood

structureof the wingpanel and aileron.

C/Aglue.

Hinge.

T-pins.

Hinge.

SPACE WALKER II Instruction Manual

HINGING THE ELEVATOR.

8)After both ailerons are securely hinged,

firmly grasp the wing panel and aileron to

make sure the hinges are securely glued and

cannot be pulled out. Do this by carefully

applying medium pressure, trying to separate

the aileron from the wing panel. Use caution

not to crush the wing structure.

7) Repeat this process with the other wing

panel, securely hinging the aileron in place.

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,makingsurethat the C/A penetratesinto

both the aileron and wing panel.

6) Using C/A remover/debonder and a

papertowel, remove anyexcess C/A gluethat

may have accumulated on the wing or in the

aileronhinge area.

HINGING THE RUDDER.

Glue the elevator hinges in place using the

same tectniques used to hinge the ailerons.

Glue the rudder hinges in place using the

same tectniques used to hinge the ailerons.

Work the aileron up and down several

times to “work in” the hinges and check

for proper movement.

Note:

See pictures below.Make yourself the

template of your engine on paper.

ENGINE MOUNT INSTALLATION.

Mark and drill 4 holes for engine mount.

Insert 4 blind nuts to firewall.

Hinge.

4x30mm.

Thread locker glue.

Diameter =5.5mm.

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2) Usinga modeling knife, cut onelength

ofsiliconfuel line. Connectoneend of theline

tothe weighted fuel pick up andthe otherend

to the nylon pick up tube.(The silicon tube is

not included).

3) Carefully bend the second nylon tube

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

INSTALLING THE STOPPERASSEMBLY.

Carefully use a lighter or heat gun to

permenently set the angle of 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.

Vent tube. Fuel pick up tube.

Fuel fill tube.

5) With the stopper assembly in place,

the weighted pick-up should rest away from

therear of the tank and move freely 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.

FUEL TANK INSTALLATION.

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 the tank is installed inside the fuselage,

it may be difficult to determine which is which.

Important: When the stopper assembly is in-

stalled in the tank, the top of the vent tube

should rest just below the top surface of the

tank. It should not touch the top of the tank.

SPACE WALKER II Instruction Manual

1) Assembleand mountingthewheelpants

as shown in the following pictures.

2) Follow diagram below for wheel pant

installation:

Blow through one of the lines to ensure

thefuel lines have not becomekinked in-

side the fuel tank compartment. Air should

flowthrough easily.

WHEELAND WHEEL PANTS INSTALLA-

TION.

Fuel pick-up tube.

Fuelfill tube.

Vent tube.

(2)Wheel Collar.

Axle.

Wheel. Nut.

Nut.

(2)Washer.

Rubber band.

Fueltank.

WheelCollar.

Axle.

Wheel. Nut.

Wheel Pant.

LandingGear.

Nut.

(2)Washer.

7mm

14mm

Lite-Plywood

block.

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3) A drop of C/A glue on the wheel collar

screws will help keep them from coming lose

duringoperation.

Repeat the process for the other wheel.

1) The blind nuts for securing the landing

gearare already mountedinside the fuselage.

2) Using the hardware provided, mount

the main landing gear to the fuselage.

INSTALLING THE MAIN LANDING GEAR.

6x20mm.

Lite-plywoodblock.

LANDING GEAR FAIRING

Landinggear

fairing.

3 x 10mm.

3x10mm. (4 pcs).

SPACE WALKER II Instruction Manual

 6) AttachtheZ-Bendin the pushrodwire to

the throttle arm on the carburetor.

COWLING INSTALLATION.

1) Slide the fiberglass cowl over the en-

gineandline up thebackedge of thecowlwith

themarks you made on thefuselage thentrim

and cut.

 5) Bolttheengineto theenginemountusing

the four machine screws. Double check that

all the screws are tight before proceeding.

4.2mm.

Pushrodwire.

MachineScrew 4x30mm.

4) Remove the engine. Using an drill bit,

drill the mounting holes through the engine

mount at the four locations marked.

 2) Place your engine onto the engine

mount. Adjust the engine is centered of the

edges of the engine case.

 3) When you are satisfied with the align-

ment, mark the locations of the engine

mounting.



1) Install the pushrod housing through the

predrilledholein the firewallandinto the servo

compartment. The pushrod housing should

protrude 1/4" out past the front of the firewall.

Makea Z-Bend 1/4"fromone end ofthe plain

wire pushrod.

MOUNTING THE ENGINE.

155mm

.Trimand cut.

Trimand cut.

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2) While keeping the back edge of the

cowl flush with the marks, align the front of

thecowlwiththecrankshaftoftheengine. The

front of the cowl should be positioned so the

crankshaft is in nearly the middle of the cowl

opening.Usethespinnerbackplateas a guide.

Hold the cowl firmly in place using pieces of

masking tape.

3) Installthemufflerandmufflerextension

onto the engine and make the cut out 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 3x10mm screws (4).

Install the spinner backplate, propeller and

spinner cone.

DUMMY ENGINE AND SPINNER

INSTALLATION.

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 propeller comes

in contact with it.

Becauseof the sizeof the cowl,it may benec-

essaryto use a needle valveextension forthe

highspeedneedle valve. Make thisout of suf-

ficient length 1.5mm wire and install it into the

end of the needle valve. Secure the wire in

placeby tightening the set screwin the side of

the needle valve.

MachineScrew 3x10mm.

Glue.

SPACE WALKER II Instruction Manual

THROTTLE SERVO ARM INSTALLATION.

1) Install adjustable servo connector in

the servo arm .

2)Usinga modeling knife,carefullyremove

thecoveringat mountingslotof horizontal sta-

bilizer ( both side of fuselage).

 3) Slide the stabilizer into place in the pre-

cut slot in the rear of the fuselage. The stabi-

lizer should be pushed firmly against the front

of the slot.

HORIZONTALSTABILIZER.

1) Using a ruler and a pen, locate the

centerlineof thehorizontalstabilizer,atthetrail-

ing edge, and place a mark. Use a triangle

and extend this mark, from back to front,

across the top of the stabilizer. Also extend

thismark downthe back of the trailing edge of

the stabilizer.

Draw center line.

INSTALLING THE SWITCH.

Installthe switch intothe precut holeinthe

side of fuselage.

Throttle servo.

Rudder

servo. Elevator servo.

Elevator servo.

INSTALLING THE FUSELAGE SERVO.

1) Installthe rubbergrommets and brass

colletsonto the throttleservo. Test fit theservo

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

mayneedtoadjustthesize of the precut open-

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

mount allow the servo lead to pass through.

Switch.

Remove covering.

AdjustableServo

connector.

Servoarm.

Loctite secure.

Throttle servor arm .

Rudder

servo. Elevator servo.

Elevator servo.

1 pcs.

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