arf Tornado Owner's manual

SPECIFICATION
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Wingspan : 1,460 mm 57.5 in.
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Length : 1,270 mm 50 in.
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Weight : 2.6 kg 5.7 Lbs.
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Radio : 04 channels.
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Servo : 05 servos.
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Engine : 40 -46 2 Stroke.
52 4 Stroke.
Instruction Manual book
MadeinVietnam.

TONADO. 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 TORNADO. 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.
IfyouareinexperiencedwithbasicR/CflightwestronglyrecommendyoucontactyourR/Csupplier
and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training
proceduresdesignedtohelpthenew pilotonhiswaytosuccessfulR/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
Landinggear.....
Toavoid scratching yournew airplane,donot
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. Keepa couple
of jars or bowls handy to hold the small parts
after you open the bag.
Pleasetrialfitalltheparts. Makesureyouhave
the correct parts and that they fit and are
alignedproperly beforegluing!Thiswillassure
proper assembly. TORNADO 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 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
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-
installedelevator halves.
SUGGESTION.
NOTE.

TORNADO. 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.
+Theglowplug clipmustbesecurely attached
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.
 1. Install the rubber grommets and brass
eyelets onto the aileron servo.
3.Drill1,5mm pilotholes through theblock
of wood for each of the four mounting screws
providedwiththeservo.Installservointoaileron
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.
 2. Using a modeling knife, remove the
covering servo tray.
INSTALLING THE AILERON SERVOS.
Servo tray.

TONADO. Instruction Manual
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5. Instal servo tray with aileron servo into
the wing as same as picture below.
Repeat the procedure for the other wing
half.
 2. Drill through 6mm (diameter) the ai-
leron using the control horn as a guide and
screw the control horn in place.
INSTALLINGTHEAILERON CONTROLHORN.
1. Using a ruler & pen to draw a straight
line as below picture.
3x40mm.
Nilon control clasp.
M3locknut.
Electric wire.
Servo tray.
Wing.
2x10mm.

TORNADO. INSTRUCTION MANUAL
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3. Install aileron control horn as same as
picture below.
C/Aglue
Repeat the procedure for the other wing
half.
Bottom side.
Control horn.
Aileron control horn

TONADO. Instruction Manual
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3. Plug the aileron servo into the receiver
andcentertheservo.Installthe servoarmonto
the servo. The servo arm should be
perpendicular to the servo and point toward
the middle of the wing.
INSTALLING THE AILERON
LINKAGES.
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
outfromthecenterofthe armtoaccommodate
the aileron pushrod wire.
Repeat the procedure for the other wing
half.
5.Usingpliers,carefullymake a90 degree
bend down at the mark made. Cut off the
excess wire, leaving about 4mm beyond the
bend.
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 retainingscrew and
remove the masking tape from the aileron.
M2clevis.
Snapkeeper.
JOINING THE WING HALVES.
1. Locate the aluminium wing dihedral
brace.
 2. Using a modeling knife, remove the
covering wing.
 3. Test fit the dihedral brace into each wing
half. The brace should slide in easily. If not,
use 220 grit sandpaper with a sanding block
and sand down the edges and ends of the
brace until it fits properly.
Bend and cut after.
Bottom side.
Top side.
C/Aglue

TORNADO. INSTRUCTION MANUAL
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Remove covering.
Markpoint.
Top side.
INSTALLING THE STOPPER ASSEMBLY
1.Thestopper hasbeen pre-assembledat
the factory.
2.Using amodeling knife,cut onelength of
siliconfuelline (thelength ofsilicon fuellineis
calculated by how the weighted clunk should
restabout 8mmaway fromtherearofthetank
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 bendthesecondnylontubeup
ata 45degreeangle (usingacigarettelighter).
This tube will be the vent tube to the muffler.
4.Carefully bendthethirdnylontube down
ata 45degreeangle (usingacigarettelighter).
This tubewill bevent tubeto thefuelingvalve.
FUEL TANK.
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.
Aluminium brace.
Epoxyglue.

TONADO. Instruction Manual
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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
througheasily.
9. To secure the fuel tank in place, apply a
bead of silicon sealer to the forward area of
thetank, whereit exitsthefuselage behindthe
enginemountingbox andtotherearofthetank
at the forward bulkhead.
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 frontofthetankshould justabout
touch the back of the firewall.
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.
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.
Secure.
Fueltank.
Push.
INSTALLING THE ENGINE MOUNT.
3x20mm.

TORNADO. INSTRUCTION MANUAL
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INSTALLING THE NOSE GEAR.
Install the wheel and collar.
Secure.
Locate the long piece of wire used for the
throttlepushrod. Oneendofthewire hasbeen
pre-bend in to a “Z” bend at the factory. This
“Z” bend should be inserted into the throttle
armofthe enginewhentheengine isfittedonto
theengine mount.Fittheengineto theengine
mount using the screws provided.
INSTALLING THE ENGINE.
11.5cm.

TONADO. Instruction Manual
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Pushrod wire.
Secure.
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.
Trim and cut
Left side.
Trim and cut
Right side.

TORNADO. INSTRUCTION MANUAL
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Bottom side.
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. Hold the cowl firmly in place using
pieces of masking tape.
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.
3. Slide the cowl back over the engine
andsecure itin placeusing fourwood screws.
See picture below.
INSTALLING THE SPINNER.
Installthe spinnerbackplate,propellerand
spinner cone. The spinner cone is held in
place using two 3mm x 15mm wood screws.
Secure.

TONADO. Instruction Manual
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INSTALLING 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.

TORNADO. INSTRUCTION MANUAL
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1. Install the rubber grommets and brass
colletsintothe elevatorservo.Testfit theservo
into the servo tray.
2. Mount the servo to the tray using the
mounting screws provided with your radio
system.
ELEVATOR INSTALLATION.
3. Markthe shapeoftheverticalontheleft
and right sides onto the horizontal stabilizer
using a felt-tip pen
1. Using amodeling knife, cut away the
covering from the fuselage for the stabilizer
and remove it.
Remove covering.
Center line.
2. Draw a center line onto the horizontal
stabilizer. Then slide the horizontal into the
fuselage.
Pen.
Top side.
SERVO INSTALLATION.
HORIZONTAL STABILIZER INSTALLA-
TION.
Elevator servo.

TONADO. Instruction Manual
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4. Remove the stabilizer. Using the lines
youjustdrew asa guide,carefully removethe
coveringfrom betweenthem usingamodeling
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 balsa structure may
weaken it. This could lead to possible
failure during flight
6. After the epoxy has fully cured, re-
move
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.
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 bottomofthestabilizermountingarea
and to the stabilizer mounting platform sides
inthefuselage.Slidethestabilizerinplaceand
re-align. Double check all of your
measurements one more time before the
epoxycures. Removeanyexcess epoxyusing
a paper towel and rubbing alcohol and hold
the stabilizer in place with T-pins or masking
tape.
Epoxyglue.
Bottom side
C/Aglue.
ELEVATOR CONTROL HORN INSTALLA-
TION.
Elevator control horn install as same as the
wayofaileroncontrolhorn.Pleaseseepictures
below.
Remove
covering.

TORNADO. INSTRUCTION MANUAL
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Drill 1 hole with 6 mm diameter.
Control horn of elevator.
3mm x 40mm.
M3 lock nut.
Nilon
control clasp.
Markpoint
Remove
covering.

TONADO. Instruction Manual
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ELEVATOR PUSHROD INSTALLATION.
Elevator pushrodinstall assame asthe way
of aileron pushrod.
Elevator
pushrod.
Secure.
Cut.
Top side.
Elevator
pushrod. Elevator
pushrod.
Bottom side. Bend and cut.

TORNADO. INSTRUCTION MANUAL
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VERTICAL STABILIZER
INSTALLATION.
2. Slide the rudder into the fuselage as
same as picture below.
Elevator servo.
Remove
covering.
Hingeslot.
Hinge.
1) Using a modeling knife, remove the
covering from the top of the fuselage and the
covering from over the precut hinge slot cut
intothelower rearportion ofthe fuselageThis
slot accepts the lower vertical.
3. Markthe shapeoftheverticalontheleft
and right side on the rudder using a felt-tip
pen.

TONADO. Instruction Manual
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4. Now, remove the rudder and using a
modeling knife, carefully cut just inside the
markedlinesandremovethefilm oftherudder.
Just as you did with the horizontal stabilizer,
make sure you only press hard enough to cut
the film, not the balsa rudder.
Pen.
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 andtothevertical
stabilizer mounting area. Apply epoxy to the
lower rudder hinge. Set the stabilizer in place
5. Put the vertical stabilizer back in
place. Using a triangle, check to ensure
that thevertical stabilizeris aligned90 degree
to the horizontal stabilizer.
and re-align. Double check all of your meas-
urements once more before the epoxy cures.
Remove any excess epoxy using a paper
towel and rubbing alcohol and hold the stabi-
lizer in place with T-pins or masking tape. Al-
low the epoxy to fully cure before proceeding.
Epoxyglue.
Epoxyglue.
C/Aglue
RUDDERCONTROLHORN INSTALLATION.
Rudder control horn install as same as the
wayofaileroncontrolhorn.Pleaseseepictures
below.
90º Vertical
Stabilizer.
Horizontal
Stabilizer.
3mm x 40mm.
M3 lock nut.
Nilon
control clasp.
CONTROL HORN OF RUDDER
.

TORNADO. INSTRUCTION MANUAL
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Rudder
control horn.
Rudder pushrod install as same as the way
of aileron pushrod.
mark point
C/Aglue
Drill 6mm diameter a hole of the mounting
rudder control horn on to the rudder.
Rudder pushrod.
RUDDER PUSHROD INSTALLATION.
Elevator
pushrod. Elevator
pushrod.
Rudder pushrod.
Rudder servo
Elevator servo

TONADO. Instruction Manual
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Secure.
Snapkeeper.
Elevator pushrod.
INSTALLING THE THROTTLE PUSHROD.
1. 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
servoconnector. Removethe excessmaterial
from the arm.
Servo arm.
Connec-
Throttle servo.
After installing the adjustable metal con-
nector apply a small drop of thin C/A to
the bottom nut. This will prevent the con-
nector from loosening during flight.
Secure.
Nose gear pushrod.
Cut.
Bend and cut.