Black Horse Model Space Walker BH78 Owner's manual

Instruction Manual book

SPECIFICATION

MadeinVietnam.



Wingspan : 2,100mm. 82.68 in.



Length : 1,500 mm. 59.06in.



Weight : 4.5kg. 9.90lbs.

PartsListingrequired(notincluded).



Radio : 4 channels.



Servo : 5 servos.



Glow Engine : 91 cu.in. 2 stroke.

120cu.in. 4 stroke.

SPACE WALKER- Item code:BH78. Instruction Manual

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

manualthoroughlybeforestartingassemblyofyour SPACE WALKER.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.

IfyouareinexperiencedwithbasicR/CflightwestronglyrecommendyoucontactyourR/Csupplier

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

proceduresdesignedtohelp the newpilotonhiswayto successfulR/C flight.They willalso beable

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

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.

Some more parts.

HARDWAREPACK

COWLING.

Landinggear.....

Toavoid scratching yournew airplane,do not

unwrap the pieces until they are needed for

assembly. Cover your workbench with an old

towel or brown paper, both to protect the air-

craftand toprotect thetable.Keep acouple of

jars or bowls handy to hold the small parts af-

ter you open the bag.

Pleasetrialfitall the parts.Makesureyouhave

the correct parts and that they fit and are

alignedproperlybefore gluing!Thiswill assure

properassembly.SPACEWALKER ARFishand

made from natural materials, every plane is

unique and minor adjustments may have to

be made. However, you should find the fit su-

perior and assembly simple.

The painted and plastic parts used in this kit

are fuel proof. However, they are not tolerant

of many harsh chemicals including the follow-

ing:paintthinner,C/Aglueaccelerator,C/Aglue

debonderandacetone.Donot let thesechemi-

cals come in contact with the colors on the

covering and the plastic parts.

PARTS LISTING.

FUSELAGE ASSEMBLY

(1) Fuselage.

WING ASSEMBLY

(1) Right wing half with pre-installed

aileron.

(1) Left wing half with pre-installed

aileron.

Tail section assembly

(1) Vertical stabilizer with pre-

installedrudder.

(1) Horizontal stabilizer with pre-

installedelevatorhalves.

SUGGESTION.

NOTE.

SPACE WALKER- Item code:BH78. Instruction Manual

+ This is not a toy

+ Be sure that no other flyers are using your

radio frequency.

+ Do not smoke near fuel

+ Store fuel in a cool, dry place, away from

children and pets.

+ Wear safety glasses.

+Theglowplugclipmustbe securelyattached

to the glow plug.

+ Do not flip the propeller with your fingers.

+ Keep loose clothing and wires away from

thepropeller.

+ Do not start the engine if people are near.

Donot standin linewith the sideof thepropel-

ler.

+ Make engine adjustments from behind the

propeller only. Do not reach around the spin-

ningpropeller.

SAFETY PRECAUTION.

REPLACEMENT LARGE PARTS

B. Wing panel.

C. Fuselage.

A.Cowling.

D . Horizontal stabilizer.

F. Aluminium wing dihedral brace.

E. Vertical stabilizer

REPLACEMENT SMALL PARTS

1. Engine plastic.

G. Decal sheet.

3. Wheel pants.

4. Main gear.

E. D.

B. B.

2. Wheels. 5.Covering of main gear.

6. Plastic for rudder.

7. Tail gear.

8. Fuel tank.

9. Spinner.

 1. Install the rubber grommets and brass

eyelets onto the aileron servo.

INSTALLING THEAILERON SERVOS.

Bottom side

C/Aglue

Bottom side

Aileron

4. 5.

SPACE WALKER- Item code:BH78. Instruction Manual

C/Aglue

2.Usinga modelingknife, removethe cov-

ering servo tray.

3. Drill 1,5mm pilot holes through the block

of wood for each of the four mounting screws

provided with the servo. Install servo into ai-

leron servo tray as same as picture below.

4. Using the thread as a guide and using

masking tape, tape the servo lead to the end

of the thread: carefully pull the thread out.

When you have pulled the servo lead out, re-

move the masking tape and the servo lead

from the thread.

5. Instal servo tray with aileron servo into

the wing as same as picture below.

Thread

Electric wire

C/Aglue

Bottom side

Aileron

Removecovering

Servotray.

Secure

SPACE WALKER- Item code:BH78. Instruction Manual

Repeat the procedure for the other wing

half.

2 x 10 mm.

INSTALLINGTHEAILERON CONTROLHORN.

ControlhornofAileron

Secure

Servo tray.

Nilon control clasp.

3 x 40mm

Installaileroncontrolhornassame

aspicturebelow.

Bottomside

Remove covering

Bottomside

SPACE WALKER- Item code:BH78. Instruction Manual

Bottomside

Repeat the procedure for the other wing

half.

Installing the aileron linkages as pictures

below.

INSTALLING THE AILERON

LINKAGES.

INSTALLING THE ENGINE MOUNT.

Repeat the procedure for the other wing

half.

4x30mm

Bottom side

M3 M3 lock nut

70mm

SPACE WALKER- Item code:BH78. Instruction Manual

INSTALLING THE STOPPER ASSEMBLY

1. The stopper has been pre-assembled at

the factory.

2.Using amodeling knife,cut onelengthof

siliconfuel line(the lengthof siliconfuel lineis

calculated by how the weighted clunk should

restabout 8mmaway fromtherear ofthe tank

andmove freelyinsidethe tank).Connect one

end of the line to the weighted clunk and the

otherend tothe nylonpick up tubein thestop-

per.

3.Carefully bendthe secondnylon tubeup

ata45 degreeangle(usinga cigarettelighter).

This tube will be the vent tube to the muffler.

4.Carefully bendthe thirdnylon tubedown

ata45 degreeangle(usinga cigarettelighter).

This tubewill beventtube tothefueling valve.

When the stopper assembly is installed

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.

 5. Test fit the stopper assembly into the

tank. It may be necessary to remove some of

the flashing around the tank opening using

amodeling knife. Ifflashing is present, make

sure none of it falls into the tank.

7. Using a modeling knife, cut 3 lengths of

fuel line 150mm long. Connect 2 lines to the 2

vent tubes and 1 line to the fuel pickup tube in

the stopper.

 8. Feed three lines through the fuel tank

compartment and through the pre-drilled hole

in the firewall. Pull the lines out from behind

the engine, while guiding the fuel tank into

place. Push the fuel tank as far forward as

possible,thefront ofthetank shouldjustabout

touch the back of the firewall.

6. When satisfied with the alignment of the

stopper assembly tighten the 3mm x 20mm

machine screw until the rubber stopper ex-

pandsandseals thetankopening. Donot over

tighten the assembly as this could cause the

tank to split.

Do not secure the tank into place perma-

nently until after balancing the airplane.

You may need to remove the tank to mount

the battery in the fuel tank compartment.

Blow through one of the lines to ensure

the fuel lines have not become kinked inside

the fuel tank compartment. Air should flow

througheasily.

9. To secure the fuel tank in place, apply a

bead of silicon sealer to the forward area of

thetank, whereitexits the fuselagebehindthe

enginemountingboxandto therear of thetank

at the forward bulkhead.

FUEL TANK.

Slicontubenot included.

SPACE WALKER- Item code:BH78. Instruction Manual

Locate the long piece of wire used for the

throttlepushrod. One endofthe wirehasbeen

pre-bend in to a “Z” bend at the factory. This

“Z” bend should be inserted into the throttle

armoftheenginewhenthe engineisfitted onto

theengine mount.Fit theengine totheengine

mount using the screws provided.

INSTALLING THE ENGINE-

THROTTLE.

Fueltank

14.5 cm.

Drill a hole 4mm diameter

Markpoint

Right side.

SPACE WALKER- Item code:BH78. Instruction Manual

1. Slide the fiberglass cowl over the en-

gineand lineupthe backedgeof thecowlwith

the marks you made on the fuselage.

4 x 30mm

Left side.

Pushrod wire.

Right side.

COWLING.

Pushrod wire.

Right side.

Secure

SPACE WALKER- Item code:BH78. Instruction Manual

Trim and cut.

Right side

3. Slide the cowl back over the engine

andsecure itin placeusingfour woodscrews.

See picture below.

4. Installthemufflerandmufflerextension

onto the engine and make the cutout in the

cowl for muffler clearance. Connect the fuel

and pressure lines to the carburetor, muffler

andfuel fillervalve.

INSTALLING THE SPINNER.

Installthespinner backplate,propellerand

spinner cone. The spinner cone is held in

place using two 3mm x 15mm wood screws.

3 x 15mm

Left side

3 x 10mm

Right side

2. While keeping the back edge of the

cowl flush with the marks, align the front of

thecowlwith the crankshaftoftheengine. The

front of the cowl should be positioned so the

crankshaft is in nearly the middle of the cowl

opening. Hold the cowl firmly in place using

pieces of masking tape.

Right side

Bottom side

Front view

3 x 12mm

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