Instruction Manual book
Recommended R.C: 4 channels with
4-5 servos.
Propeller : 13 x 6.
Speed Control: 60A.
Electric Motor: AXI 2826/10.
Battery: 4-5 Cells-Li-Poly-14.8-18.5v- 5.000 mAh - 20c.
SPECIFICATION
Made in Vietnam.
Wingspan : 1,550mm. 61.02 in.
Length : 1,180 mm. 46.46in.
Weight : 2.5kg. 5.50lbs.
Parts Listing required (not included).
Radio : 4 channels.
Servo : 5 servos.
Glow Engine : 40-46 cu.in. 2 stroke.
SPACE WALKER - ITEM CODE: BH65. Instruction Manual
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This instruction manual is designed to help you build a great flying aeroplane. Please read this
manual thoroughly before starting assembly of your SPACE WALKER. Use the parts 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.
If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C supplier
and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training
procedures designed to help the new pilot on his way to successful R/C flight. They will also be able
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.
Modelling knife.
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.
HARDWARE PACK
COWLING.
Landing gear.....
T o avoid scratching your new 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 aircraft and to protect the table. Keep a couple of
jars or bowls handy to hold the small parts after you open the bag.
Please trial fit all the parts. Make sure you have
the correct parts and that they fit and are
aligned properly before gluing! This will assure
proper assembly .
SP ACE WALKER ARF is hand
made from natural materials, every plane is
unique and minor adjustments may have to
be made. However, you should find the fit superior 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 following: paint thinner , C/A glue accelerator , C/A glue
debonder and acetone. Do not let these chemicals 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-
installed rudder.
(1) Horizontal stabilizer with pre-
installed elevator halves.
SUGGESTION.
NOTE.
SPACE WALKER - ITEM CODE: BH65. INSTRUCTION MANUAL
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+ 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.
+The glow plug clip must be securely attached
to the glow plug.
+ Do not flip the propeller with your fingers.
+ Keep loose clothing and wires away from
the propeller.
+ Do not start the engine if people are near.
Do not stand in line with the side of the propeller.
+ Make engine adjustments from behind the
propeller only. Do not reach around the spinning propeller.
SAFETY PRECAUTION.
1. Install the rubber grommets and brass
eyelets onto the aileron servo.
INSTALLING THE AILERON SERVOS.
REPLACEMENT LARGE PARTS
B. Wing panel.
C. Fuselage.
A. Cowling.
D . Horizon stabilizer.
F. Aluminium wing dihedral brace.
E. Vertical st abilizer
REPLACEMENT SMALL PARTS
A.
B.
C.
B.
D.
E.
F.
Bottom side
Aileron
Bottom side
C/A glue
SPACE WALKER - ITEM CODE: BH65. Instruction Manual
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C/A glue
Bottom side
Bottom side
C/A glue
2. Using a modeling knife, remove the cov-
ering servo tray .
Bottom side
C/A glue
Bottom side
Bottom side
Remove covering
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 aileron 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, remove the masking tape and the servo lead
from the thread.
Thread
5. Instal servo tray with aileron servo into
the wing as same as picture below.
Secure
Servo tray
SPACE WALKER - ITEM CODE: BH65. INSTRUCTION MANUAL
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Electric wire
Repeat the procedure for the other wing
half.
2 x 10 mm.
INST ALLING THE AILERON CONTROL HORN.
Nilon control clasp.
M3 lock nut.
3x35mm.
Control horn of Aileron
1. Using a ruler & pen to draw a straight
line as below picture.
3. Drill through 6mm (diameter) the aileron
using the control horn as a guide and screw
the control horn in place.
2. Locate nylon control horn, nylon control horn backplates .
Bottom side
Drill a hole
6mm diameter.
Bottom side
Mark point
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4. Install control horn as same as picture
below.
1. Working with the aileron linkage for
now, thread one clevis onto one of the
threaded wires.
INSTALLING THE AILERON
LINKAGES.
2. Attach the clevis to the outer hole in the
control horn.
3. Plug the aileron servo into the receiver
and center the servo. Install the servo arm onto
the servo. The servo arm should be perpendicular to the servo and point toward the middle of the wing.
M2 lock nut.
M2 clevis.
Snap keeper.
Bend and cut after
4. Locate one nylon servo arm, and using
wire cutters,remove all but one of the arms.
Using a 2mm drill bit, enlarge the third hole
out from the center of the arm to accommodate the aileron pushrod wire.
5. Using pliers, carefully make a 90 degree
bend down at the mark made. Cut off the excess wire, leaving about 4mm beyond the
bend.
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6. Insert the 90 degree bend down through
the hole in the servo arm. Install one nylon
snap keeper over the wire to secure it to the
arm. Install the servo arm retaining screw and
remove the masking tape from the aileron.
Bottom side
Bottom side
Repeat the procedure for the other wing
half.
Top side
Top side
JOINING THE WING HALVES.
1. Locate the aluminium wing dihedral
brace.
2. Using a modeling knife, remove the cov-
ering wing.
3. Test fit the dihedral brace into each wing
half. The brace should slide in easily.
Remove covering
T op side
Epoxy glue
Bottom side
Bottom side
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INSTALLING THE ENGINE MOUNT.
THERE ARE TWO OPTIONS:
1. ELECTRIC MOTOR
2. ENGINE MOUNT.
Masking tape.
Masking tape.
1. OPTION 1: ELECTRIC MOTOR.
C/A glue
3 x 15mm
3x 15mm
Epoxy glue
Secure
C/A glue
Bottom side
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Secure
Left side
Bottom side
Left side
Tie wrap
4 x 25mm
2. OPTION 2: ENGINE MOUNT.
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INSTALLING THE STOPPER ASSEMBLY
FUEL TANK.
1. The stopper has been pre-assembled at
the factory .
2. Using a modeling knife, cut one length of
silicon fuel line (the length of silicon fuel line is
calculated by how the weighted clunk should
rest about 8mm away from the rear of the tank
and move freely inside the tank). Connect one
end of the line to the weighted clunk and the
other end to the nylon pick up tube in the stopper.
4. Carefully bend the third nylon tube down
at a 45 degree angle (using a cigarette lighter).
This tube will be vent tube to the fueling 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
a modeling knife. If flashing is present, make
sure none of it falls into the tank.
Vent tube
Fuel fill tube
Fuel pick- up tube
3. Carefully bend the second nylon tube up
at a 45 degree angle (using a cigarette lighter).
This tube will be the vent tube to the muffler .
6. When satisfied with the alignment of the
stopper assembly tighten the 3mm x 20mm
machine screw until the rubber stopper expands and seals the tank opening. Do not over
tighten the assembly as this could cause the
tank to split.
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, the front of the tank should just about
touch the back of the firewall.
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 .
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Blow through one of the lines to ensure
the fuel lines have not become kinked inside
the fuel tank compartment. Air should flow
through easily.
9. To secure the fuel t ank in place, apply a
bead of silicon sealer to the forward area of
the tank, where it exits the fuselage behind the
engine mounting box and to the rear of the tank
at the forward bulkhead.
Secure
Do not secure the tank into place permanently until after balancing the airplane.
You may need to remove the tank to mount
the battery in the fuel tank compartment.
Fuel tank
Mart point
110mm
Locate the long piece of wire used for the
throttle pushrod. One end of the wire has been
pre-bend in to a “Z” bend at the factory. This
“Z” bend should be inserted into the throttle
arm of the engine when the engine is fitted onto
the engine mount. Fit the engine to the engine
mount using the screws provided.
INSTALLING THE ENGINE.
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Left side
Right side
Bottom side
Pushrod wire
Secure
Right side
Drill a hole 2mm
3 x 20mm
Left side
Pushrod wire
Pushrod wire
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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.
Right side
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. Hold the cowl firmly in place using
pieces of masking tape.
Bottom side
Trim and cut
Right side
Trim and cut
Right side
Bottom side
4. 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.
3. Slide the cowl back over the engine
and secure it in place using four wood screws.
See picture below.
Machine screw.
Right side.
3 x 10mm
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INSTALLING THE SPINNER.
Install the spinner backplate, propeller and
spinner cone. The spinner cone is held in
place using two 3mm x 12mm wood screws.
Secure
MAIN GEAR INSTALATION.
PARTS REQUIRED
3 x 12mm
3 x 12mm
Font view
Left side.
Secure
2. A drop of C/A glue on the wheel collar
screws will help keep them from coming lose
during operation.
Repeat the process for the other wheel.
Mark point
1. Assemble and mounting the wheel
pants as shown in the following pictures.
SPACE WALKER - ITEM CODE: BH65. INSTRUCTION MANUAL
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Secure
MOUNTING THE TAIL WHEEL
BRACKET.
1. Set the tail wheel assembly in place
on the plywood plate. The pivot point of the
tail wheel wire should be even with the rudder hinge line and the tail wheel bracket should
be centered on the plywood plate.
3 x 12mm
Mark point
Secure
2. Using a pen, mark the locations of the
two mounting screws. Remove the tail wheel
bracket and drill 1mm pilot holes at the locations marked.
3. Secure the tail wheel bracket in place
using three 3mm x 12mm wood screws. Be
careful not to overtighten the screws.
INST ALLING THE MAIN LANDING GEAR.
3. Using the hardware provided, mount
the main landing gear to the fuselage.
1. The blind nuts are already mounted
inside the fuselage.
2. The holes in the landing gear should
be to accept the mounting bolts.
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Throttle servo
Secure
Cut
INST ALLING THE THROTTLE PUSHROD.
Install one adjustable metal connector
through the third hole out from the center of
one servo arm, enlarge the hole in the servo
arm using a 2mm drill bit to accommodate the
servo connector. Remove the excess material from the arm.
After installing the adjustable metal connector apply a small drop of thin C/A to
the bottom nut. This will prevent the connector from loosening during flight.
Servo arm
Connector.
Elevator pushod
HORIZONT AL ST ABILIZER.
See pictures below:
1. Draw a center line onto the horizontal
stabilizer. Then slide the horizontal into the
fuselage.
SERVO INSTALLATION.
ELEVATOR INSTALLATION.
2. Mount the servo to the tray using the
mounting screws provided with your radio system.
1. Install the rubber grommets and brass
collets into the elevator servo. Test fit the servo
into the servo tray .
Center line
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2 Using a modeling knife, cut away the
covering from the fuselage for the stabilizer
and remove it.
Remove covering
3. Mark the shape of the vertical on the left
and right sides onto the horizontal stabilizer
using a felt-tip pen
Mark line.
Top side
Bottom side
When cutting through the covering to remove it, cut with only enough pressure to only cut through the covering it’s
self. Cutting into the balsa structure may
weaken it. This could lead to possible failure during flight
Remove covering
5. When you are sure that everything is
aligned correctly, mix up a generous amount
of 30 minute epoxy. Apply a thin layer to the
top and bottom of the stabilizer mounting area
and to the stabilizer mounting platform sides
in the fuselage. Slide the stabilizer in place and
re-align. Double check all of your measurements one more time before the epoxy cures.
Remove any excess epoxy using a paper
towel and rubbing alcohol and hold the stabilizer in place with T-pins or masking tape.
4. Remove the stabilizer. Using the lines
you just drew as a guide, carefully remove the
covering from between them using a modeling
knife.
Epoxy glue
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Drill a hole
6 mm diameter.
6. After the epoxy has fully cured, remove
the masking tape or T -pins used to hold the
stabilizer in place and carefully inspect the
glue joints. Use more epoxy to fill in any
gaps that were not filled previously and
clean up the excess using a paper towel and
rubbing alcohol.
Bottom side
C/A glue
Elevator control horn install as same as the
way of aileron control horn. Please see pictures below.
ELEVATOR CONTROL HORN INSTALLA-
TION.
Nilon control clasp.
M3 lock nut.
3x35mm.
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Elevator
pushrod
Elevator
pushrod
Cut
Secure
Elevator servo
Elevator
pushrod
Cut
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VERTICAL INSTALLATION.
Rudder servo install as same as method of
elevator servo. See picture below:
C/A glue
C/A glue
C/A glue
C/A glue
1) Using a modeling knife, remove the
covering from the top of the fuselage and the
covering from over the precut hinge slot cut
into the lower rear portion of the fuselage This
slot accepts the lower vertical.
Remove covering
Elevator
servo
Elevator pushrod
Control clasp.
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3. Mark the shape of the vertical on the left
and right side on the rudder using a felt-tip
pen.
2. Slide the rudder into the fuselage as
same as picture below.
Mark point
4. Now, remove the rudder and using a
modeling knife, carefully cut just inside the
marked lines and remove the film of the rudder. Just as you did with the horizontal stabilizer, make sure you only press hard enough
to cut the film, not the balsa rudder.
Remove
covering
5. Put the vertical stabilizer back in
place. Using a triangle, check to ensure
that the vertical stabilizer is aligned 90 degree to the horizontal stabilizer .
90º
Vertical
Stabilizer.
Horizontal
Stabilizer.
6) When you are sure that everything is a
aligned correctly, mix up a generous amount
of 30 minute epoxy. Apply a thin layer to the
slot in the mounting platform and to the vertical stabilizer mounting area. Apply epoxy to
the lower rudder hinge. Set the stabilizer in
place and re-align. Double check all of your
measurements once more before the epoxy
cures. Remove any excess epoxy using a
paper towel and rubbing alcohol and hold the
stabilizer in place with T -pins or masking tape.
Allow the epoxy to fully cure before proceeding.
Epoxy glue
C/A glue
Hinge slot
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C/A glue
Rudder control horn install as same as the
way of aileron control horn. Please see pictures below.
RUDDER CONTROL HORN INSTALLA-
TION.
Drill 6mm a hole of the mounting rudder con-
trol horn on to the rudder with 6mm diameter .
Elevator pushrod
Rudder pushrod
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Elevator
pushrod
Elevator
pushrod
Rudder
pushrod
Bend and
cut after
Elevator servo
Elevator
pushrod
Rudder servo
Rudder
pushrod
Throttle servo
Throttle pushrod
Cut
C/A glue
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1. Cut out the switch hole using a modeling
knife. Use a 2mm drill bit and drill out the two
mounting holes through the fuselage side.
2. Secure the switch in place using the
two machine screws provided with the radio
system.
INSTALLING THE SWITCH.
Switch
C/A glue
1. Plug the servo leads and the switch
lead into the receiver. Y ou may want to plug
an aileron extension into the receiver to make
plugging in the aileron servo lead easier
when you are installing the wing . Plug the
battery pack lead into the switch.
2. Wrap the receiver and battery pack in
the protective foam to protect them from vibration. Use a rubber band or masking tape to
hold the foam in place.
3. Position the battery pack and receiver
behind the fuel tank. Use two tie wraps to hold
the battery and receiver securely in place as
picture below.
Do not permanently secure the receiver and
battery until after balancing the model.
4. Using a 2mm drill bit, drill a hole through
the side of the fuselage, near the receiver, for
the antenna to exit.
INSTALLING THE RECEIVER AND BA TTERY.
Tie wrap.
Tie wrap.
Battery
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Receiver.
See picture wing attach to fuselage.
Installing the fuselage hatch as same as picture below.
WING A TT ACHMENT .
Wing bolt.
Wing bolt plate
Insert
Wing bolt
plate
Mark point
Bottom side
Bottom side
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3. Turn the airplane upside down. Place
your fingers on the masking tape and carefully lift the plane .
1) It is critical that your airplane be bal-
anced correctly. Improper balance will cause
your plane to lose control and crash.
THE CENTER OF GRAVITY IS LOCATED
75mm BACK FROM THE LEADING EDGE OF
THE WING .
2) Mount the wing to the fuselage. Using a
couple of pieces of masking tape, place them
on the top side of the wing 75 mm back from
the leading edge, at the fuselage sides.
BALANCING.
Accurately mark the balance point on the
top of the wing on both sides of the fuselage.
The balance point is located 75mm back from
the leading edge. This is the balance point at
which your model should balance for your first
flights. Later, you may wish to experiment by
shifting the balance up to 10mm forward or
back to change the flying characteristics. Moving the balance forward may improve the
smoothness and arrow- like tracking, but it may
then require more speed for take off and make
it more difficult to slow down for landing. Moving the balance aft makes the model more agile
with a lighter and snappier ”feel”. In any case,
please start at the location we recommend .
With the wing attached to the fuselage, all
parts of the model installed ( ready to fly), and
empty fuel tanks, hold the model at the
marked balance point with the stabilizer level.
1. We highly recommend setting up a plane
using the control throws listed.
2. The control throws should be meas-
ured at the widest point of each control surface.
3. Check to be sure the control surfaces
move in the correct directions.
CONTROL THROWS.
Lift the model. If the tail drops when you
lift, the model is “tail heavy” and you must add
weigh* to the nose. If the nose drops, it is “nose
heavy” and you must add weight* to the tail to
balance.
*If possible, first attempt to balance the model
by changing the position of the receiver battery and receiver. If you are unable to obtain
good balance by doing so, then it will be necessary to add weight to the nose or tail to
achieve the proper balance point.
Ailerons : 15mm up 15mm down
Elevator : 10mm up 10mm down
Rudder : 15mm right 15mm left
Aileron Control
15
15
10
10
15
15
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1. Completely charge your transmitter and
receiver batteries before your first day of flying.
2. Check every bolt and every glue joint in
your plane to ensure that everything is tight
and well bonded.
3. Double check the balance of the
airplane.
4. Check the control surface.
5. Check the receiver antenna . It should
be fully extended and not coiled up inside the
fuselage.
6. Properly balance the propeller.
PRE-FLIGHT CHECK.
We wish you many safe and enjoy-
able flights with your
SPACE WALKER.
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