Black Horse Model Matrix Owner's manual

MadeinVietnam.
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Wingspan: 1,600 mm 63 in
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WingArea: 42.08dm2 652sq.in
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Length : 1,350 mm 53in
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Weight : 3500gr 7.7 lbs
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Engine : .61 cu.in 2 stroke
.91 cu.in 4 stroke
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Radio : 4 channels
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Servo : 6 servos
SPECIFICATION
Instruction Manual book

MATRIX. Instruction Manual
2
This instruction manual is designed to help you build a great flying aeroplane. Please read this
manualthoroughlybeforestartingassembly ofyour MATRIX.Usethepartslisting belowtoidentify
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
proceduresdesignedto helpthe newpilotonhis waytosuccessfulR/C flight.Theywillalso 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
aircraftand toprotect thetable. Keepacouple
of jars or bowls handy to hold the small parts
after you open the bag.
Pleasetrialfit allthe parts.Makesureyou have
the correct parts and that they fit and are
alignedproperly beforegluing!This willassure
proper assembly. MATRIX ARF is hand made
from natural materials, every plane is unique
andminor adjustmentsmay havetobemade.
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-
installedrudder.
(1) Horizontal stabilizer with pre-
installedelevatorhalves.
SUGGESTION
NOTE

MATRIX. 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.
+Theglowplugclipmustbesecurelyattached
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.
Do not stand in line with the side of the
propeller.
+ Make engine adjustments from behind the
propeller only. Do not reach around the
spinningpropeller.
SAFETY PRECAUTION
INSTALLING THEAILERON SERVOS
 1. Install the rubber grommets and brass
eyelets onto the aileron servo.
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.
2.Drill1,5mm pilotholes throughtheblock
of wood for each of the four mounting screws
providedwiththeservo.Installservointoaileron
servo tray as same as picture below:
3. Using a modeling knife, remove the
covering at possition show below.
Aileronservo tray.
Bottomofwing.
Remove the covering.
Servowire.

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2) Locate nylon control horns, nylon con-
trol horn backplates and 3 machine screws.
 3) Drill three 3mm holes through the
aileron using the control horn as a guide
and screw the control horn in place.
Repeat the procedure for the other wing
half.
INSTALLING THEAILERON CONTROLHORN
1) Using a ruler & pen to draw a straight
line as below picture.
5) Instal servo tray with aileron servo into
the wing as same as picture below.
4) Install control horn as same as picture
below.
Repeat the procedure for the other wing
half.
Wing.
Servotray.
2mmhole.
Controlhorn.
Aileroncontrolhorn.
M3locknut.
Straitghline.

MATRIX. INSTRUCTION MANUAL
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INSTALLING THEAILERONLINKAGES
1. Working with the aileron linkage for
now, thread one clevis onto one of the
threaded wires.
2. Attach the clevis to the outer hole in the
control horn. Install a silicone tube on the
clevis.
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
outfromthe centerofthearm toaccommodate
the aileron pushrod wire.
3. Plug the aileron servo into the receiver
andcenterthe servo.Installtheservo armonto
the servo. The servo arm should be
perpendicular to the servo and point toward
the middle of the wing.
5. Using pliers, carefully make a 90
degree bend down at the mark made. Cut off
the excess wire, leaving about 4mm beyond
thebend.
6.Insertthe 90degree bend down through
the hole in the servo arm. Install one nylon
snap keeper over the wire to secure it to the
arm. Installthe servoarm retainingscrewand
remove the masking tape from the aileron.
Repeat the procedure for the other wing
half.
JOINING THE WING HALVES
1. Locate the aluminium wing dihedral
brace.
2. Test fit the dihedral brace into each
winghalf.The braceshould slideineasily .If
not, use 220 grit sandpaper with a sanding
block and sand down the edges and ends of
the brace until it fits properly.
M2locknut.
M2clevis. Snap keeper.
Dowel

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INSTALLING THE STOPPER ASSEMBLY
1.The stopper hasbeen pre-assembledat
the factory.
2.Using amodeling knife,cut onelengthof
siliconfuel line(thelength ofsilicon fuelline is
calculated by how the weighted clunk should
restabout 8mmaway fromthe rearof thetank
andmove freelyinside thetank). Connectone
end of the line to the weighted clunk and the
other end to the nylon pick up tube in the
stopper.
3.Carefully bendthe secondnylon tubeup
ata 45degreeangle (usingacigarette lighter).
This tube will be the vent tube to the muffler.
4.Carefully bendthe thirdnylon tubedown
ata 45degreeangle (usingacigarette lighter).
This tubewill bevent tubetothe fuelingvalve.
FUELTANK
INTALLINGTHE ENGINE MOUTH
Paper guide.
M4.
Alumiumbrace.
Dowelbrace.

MATRIX. INSTRUCTION MANUAL
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When the stopper assembly is installed in the
tank, the top of the vent tube should rest just
belowthe topsurface ofthetank.Itshouldnot
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.
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.
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.
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 thefuselage behindthe
enginemountingbox andto therear ofthe tank
at the forward bulkhead.
Do not secure the tank into place
permanentlyuntil afterbalancing theairplane.
You may need to remove the tank to mount
the battery in the fuel tank compartment
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 frontofthe tankshouldjustabout
touch the back of the firewall.
INSTALLINGTHE ENGINE-THROTTLE
Fueltank.

MATRIX. Instruction Manual
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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.
COWLING
1) Slide the fiberglass cowl over the en-
gine and line up the back edge of the cowl
with the marks you made on the fuselage.
2) While keeping the back edge of the
cowl flush with the marks, align the front of
thecowlwiththe 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.
3) Slide the cowl back over the engine
and secure it in place using four wood
screws.See picture below.
Pushrodwire.
Trimandcut.

MATRIX. INSTRUCTION MANUAL
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4) Installthemufflerandmuffler extension
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
Install the spinner backplate, propeller
andspinner cone. Thespinner coneis heldin
place using two 3mm x 12mm wood screws.
1) Install the rubber grommets and brass
collets into the elevator, rudder, and throttle
servos. Test fit the servos into the servo tray.
2) Mount the servos to the tray using the
mounting screws provided with your radio
system.
Elevator servo
leftside.
Machinescrew.
Elevatorservo
rightside.
Throttleservo.
Rudderservo.
SERVO INSTALLATION

MATRIX. Instruction Manual
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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
topand bottomof thestabilizer mountingarea
and to the stabilizer mounting platform sides
inthefuselage.Slide thestabilizerinplaceand
re-align. Double check all of your
measurements one more time before the
epoxycures. Removeany excessepoxyusing
a paper towel and rubbing alcohol and hold
the stabilizer in place with T-pins or masking
tape.
6)Afterthe 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
rubbingalcohol.
1) Using a modeling knife cut away the
coveringfrom thehorizontal fin for therudder
and remove it.
VERTICAL INSTALLATION
2)Put therudderinto thefuselageas same
as picture below.
1) Using a modeling knife, cut away the
covering from the fuselage for the stabilizer
and remove it.
2) Draw a center line onto the horizontal
stabilizer. Then slide the horizontal into the
fuselage.
HORIZONTAL STABILIZER INSTALLATION
3) Mark the shape of the vertical on the
left and right sides onto the horizontal
stabilizer using a felt-tip pen
4) Remove the stabilizer. Using the lines
youjust drewasa guide,carefully removethe
coveringfrom betweenthemusinga modeling
knife.
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
balsastructure mayweakenit.Thiscould lead
to possible failure during flight
Centerline.
Removecovering.

MATRIX. INSTRUCTION MANUAL
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4) Now, remove the rudder and using a
modeling knife, carefully cut just inside the
markedlinesand removethe filmoftherudder.
Just as you did with the horizontal stabilizer,
make sure you only press hard enough to cut
the film, not the balsa rudder.
3) Mark the shape of the vertical on the left
and right side on the rudder using a felt-tip
pen.
5)Putthe vertical stabilizer back in place.
Using a triangle, check to ensure that the
vertical stabilizer is aligned 90 degree to the
horizontal stabilizer.
Removecovering.
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
slotin themountingplatform andtothe 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
stabilizerin placewithT-pinsor maskingtape.
Allowtheepoxytofullycurebefore proceeding.
CONTROL HORNS INSTALLATION
1) Elevatorcontrol hornand ruddercontrol
horn install as same as the way of aileron
control horn. Please see pictures below.
Elevatorcontrolhorn.
( 2 sets).
Locknut.
2mmX20mm.
Ruddercontrol horn.
( 1 set).
Clocknut.
Clocknut.
2mmX 30 mm.
Gluewith epoxy.

MATRIX. Instruction Manual
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Rudder cable.
Rudder cable.
Elevator
pushrod.
Elevator
pushrod.
PUSHROD INSTALLATION
1) Ilevator pushrod install as same as the
way of aileron control horn.
2) Rudder push - pull system install as
same as picture below.
M3clevis ( 4pcsfor push -pull system).
M3locknut. INSTALLING THE THROTTLE PUSHROD
1) Install one adjustable metal connector
through the third hole out from the center of
oneservo arm,enlargetheholein theservo
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
thebottom nut.This willpreventtheconnector
from loosening during flight.
Servo arm.
Coloa.
Elevator control
horn.(2 sides).
Rudder control
horn.(2 sides).
Control clasp.
Rudder push-pull
cable.
Elevator.
Ruddercable.
Controlclasp.

MATRIX. INSTRUCTION MANUAL
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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.
 2) Using a pen, mark the locations of the
two mounting screws. Remove the tail wheel
bracket and drill 1mm pilot holes at the loca-
tions marked.
 3) Secure the tail wheel bracket in place
using three 3mm x 15mm wood screws. Be
careful not to overtighten the screws.
MAIN GEAR INSTALATION
PARTSREQUIRED
1)Assembleand mountingthewheel pants
as shown in the following pictures.

MATRIX. Instruction Manual
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2) 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.
Landing gear.
INSTALLINGTHE MAIN LANDING GEAR
1) The blind nuts are already mounted in-
side the fuselage.
2)The holesinthe landinggear shouldbe
to accept the mounting bolts.
3) Using the hardware provided, mount
the main landing gear to the fuselage.
INSTALLINGTHE RECEIVERAND BATTERY
 1) Plug the servo leads and the switch
leadinto the receiver. You may want to plug
anaileronextensioninto 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
behindthe fueltank.Use thetwo lightplywood
pieces, placed over the battery and receiver
and glue to the fuselage sides to hold the
battery and receiver securely in place. Use
15mm triangle pieces glued between the
fuselage sides and the plywood pieces to
reinforce the joints.
Do notpermanentlysecure thereceiverand
battery until after balancing the model.

4) Using a2mm drillbit, drill ahole through
the side of the fuselage, near the receiver, for
the antenna to exit.

MATRIX. INSTRUCTION MANUAL
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 1) Cutout theswitch holeusingamodeling
knife. Use a 2mm drill bit and drill out the two
mounting holes through the fuselage side.
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2) Secure the switch in place using the
two machine screws provided with the radio
system.
INSTALLING THE SWITCH
Seepicture wing attach to fuselage.
Installing the canopy hatch as same as picture
below.
 1)Itiscritical thatyour airplanebebalanced
correctly. Improper balance will cause your
plane to lose control and crash.
THE CENTER OF GRAVITY IS LOCATED
10-11cm BACKFROMTHE LEADINGEDGE
OF THE WING.
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2) Mount the wing to the fuselage. Using a
couple of pieces of masking tape, place
them on the top side of the wing 10-11cm
backfrom theleadingedge, atthe fuselage
sides.

3) Turn the airplane upside down. Place
yourfingers onthe maskingtapeandcarefully
lift the plane .
BALANCING
Ailerons : 20mm up 20mm down
Elevator : 30mm up 30mm down
Rudder : 30mm right 30mm left

1) We highly recommend setting up a
plane using the control throws listed.
 2) The control throws should be
measured at the widest point of each control
surface.
 3) Check to be sure the control surfaces
move in the correct directions.
CONTROLTHROWS
CG
10-11 CM
Wingbolt.
WINGATTACHMENT

MATRIX. Instruction Manual
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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.
Wewish youenjoy.
PRE-FLIGHTCHECK

MATRIX. INSTRUCTION MANUAL
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 1) Remove this page from this instruction
manual.