Manual 1 - Tower Hobbies
Instruction Manual
SPECIFICATION
- Wingspan: 1405mm (55.3 in)
- Length: 1405mm (55.3 in)
- Flying weight: 2800-3000 gr
- Wing area: 39.4 dm2
- Wing loading: 71g/dm2
- Wing type: Naca airfoils
- Covering type: Genuine ORACOVER®
- Gear type: Aluminum Hi-grade for main
gear and spring wire for tail gear (included)
- Spinner size: Plastic 58mm (included)
- Radio: 4 channel minimum (not included)
- Servo: 5 standard servo: 2 aileron;
1 elevator; 1 rudder; 1 throttle (not included)
- Recommended receiver battery:
4.8-6V / 800-1200mAh NiMH (not included)
- Servo mount: 21mm x 42 mm
- Propeller: suit with your engine
- Engine: .46-.55 / 2-stroke or .52/4-stroke
glow engine (not included)
- Motor: brushless outrunner 1000-1400 W,
480 KV (not included)
- Gravity CG: 95-100 mm (3.7-3.9 in) Back from
the leading edge of the wing, at the fuselage
- Control throw Ailerons: Low: 10mm up/down,
10% expo; High: 12mm up/down, 10% expo
- Control throw Elevators: Low: 10mm up/down,
12% expo; High: 12mm up/down, 12% expo
- Control throw Rudder: Low: 25mm right/left,
15% expo; High: 40mm right/left, 15% expo
- Experience level: Intermediate
- Plane type: Scale Aerobatic
RECOMMENDED MOTOR AND BATTERY SET UP
- Motor: RIMFIRE .46-.55 (not included)
- Lipo cell: 6 cells / 4000 – 5500mAh (not included)
- Esc: 50-70A (not included)
Instruction Manual
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SAFETY PRECAUTION:
INSTALLING THE AILERON SERVOS
• 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.
1. Install the rubber grommets and brass eyelets
onto the aileron servo.
2. Turn the wing panel right side up. Using a
modeling knife, remove the covering from over
the precut servo box.
Remove the
covering
INSTALLING THE AILERONS, ELEVATOR,
2
RUDDER
3. Connect a 150-200mm servo extension to each
aileron servo.
1. Test fit the ailerons to the wing with the hinges.
If the hinges don’t remain centered, stick a pin
through the middle of the hinge to hold it in
position.
4. Place the aileron servo into the servo box.
Secure the servo in place using the mounting
screws provided.
TEMPORARY PIN
TO KEEP HINGE
CENTERED
2. Apply six drops of thin CA to the top and bottom
of each hinge. Do not use CA accelerator. After
the CA has fully hardened, test the hinges by
pulling on the aileron.
3
5. Repeat step # 2 - # 4 to install the second
aileron servo in the opposite wing half.
INSTALLING THE CONTROL HORNS
1. One aileron control horn in positioned on each
aileron. Using a ruler and a pen, locate and
mark the location of the control horn. It should
be mounted on the bottom side of the aileron at
the leading edge, in line with the aileron
pushrod.
CA glue
2. Drill two hole through the aileron and screw the
control horn in place.
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7. Using pliers, carefully make a 90 degree bend
down at the mark made. Cut off the excess
wire, leaving about 4mm beyond the bend.
8. 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.
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Silicone Tube
RIGHT
WRONG
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3. Repeat step # 1 - # 2 to install the control horn
on the opposite aileron.
9. Repeat step # 4 - # 8 to install the second
aileron linkage. After both linkages are
completed, connect both of the aileron servo
leads using a Y-harness you have purchased
separately.
INSTALLING THE AILERON LINKAGES
1. Working with the aileron linkage for now, thread
one clevis at least 14 turns onto one of the
2mm x 180mm threaded wires.
Silicone Tube
Nut
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5
INSTALLING THE WING TO THE FUSELAGE
2. Attach the clevis to the outer hole in the control
horn. Install a silicone tube on the clevis.
Attach the wings to the joiner tube and using the
nylon thumbscrews to secure the wing panels
to the fuselage.
3. 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.
4. 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.
Screw
Screw
5. Center the aileron and hold it in place using a
couple of pieces of masking tape.
6. With the aileron and aileron servo centered,
carefully place a mark on the aileron pushrod
wire where it crosses the hole in the servo arm.
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HORIZONTAL STABILIZER INSTALLATION
1. Using a modeling knife, cut away the covering
from the fuselage for the stabilizer and remove it.
5. Remove the stabilizer. Using the lines you just
drew as a guide, carefully remove the covering
from between them using a modeling knife.
9
!
2. Draw a center line onto the horizontal stabilizer.
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.
Draw a center line
Remove the covering
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3. Check the fit of the horizontal stabilizer in its
slot. Make sure the horizontal stabilizer is
square and centered to the fuselage by taking
measurements, but don't glue anything yet.
6. 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. With the horizontal stabilizer correctly aligned,
mark the shape of the fuselage on the top and
bottom of the tail plane using a water soluble /
non-permanent felt-tip pen.
Glue with epoxy
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4. Slide the vertical stabilizer back in place. Using
a triangle, check to ensure that the vertical
stabilizer is aligned 90 degree to the horizontal
stabilizer.
7. 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.
5. 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.
VERTICAL STABILIZER INSTALLATION
1. Using a modeling knife, remove the covering on
the top of the fuselage for the vertical stabilizer.
Remove
the covering
Glue with epoxy
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2. Slide the vertical stabilizer into the slot in the
mounting platform in the top of the fuselage.
Mark the shape of the fuselage on the left and
right sides of the vertical stabilizer using a
felt-tip pen.
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TAIL WHEEL INSTALLATION
1. Tail wheel set
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3. Now, remove the vertical stabilizer and using a
modeling knife, carefully cut just inside the
marked lines and remove the film on both sides
of the vertical stabilizer. Just as you did with the
horizontal stabilizer, make sure you only press
hard enough to cut the film, not the balsa
vertical stabilizer.
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2.
Install the tail wheel
Remove the covering
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INSTALLING THE WHEEL PANTS
1. Locate the wheel pants from the hardware bag.
Mark the locations of the mounting axles onto
the wheel pants. The locations of the two
mounting holes are the middle of the wheel
opening, on right side, left side and 10mm from
the bottom of the wheel pant.
2. Using a 5mm drill bit, carefully drill two pilot
holes through the wheel pant at the TWO
marks you made.
!
After installing the wheel pant, apply a small
drop of thin C/A to the bottom nut.
9. Repeat step # 1-8 to install the second wheel
pant assembly.
Cut
MAIN GEAR INSTALLATION
INSTALLING THE MAIN LANDING GEAR
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1. Four nuts have been installed at the factory.
3. Using a modeling knife, carefully cut out two line
from the margin of the hole onto the wheel pant.
2. Install main landing gear into the fuselage using
(4) 4mm x 20mm machine screws and 16mm
flat washers provided in the kit.
Just cut only one side of the wheel pant, where
the main gear will install. Be sure to make a left
and right wheel pant.
Plastic cover
Plastic cover
4. Slide a 4.5mm nut/ two 16mm flat washers /
4.5mm nut / collar / wheel / collar onto the axle.
5. Slide the axle assembly into the wheel pant.
!
There are just one nut and two flat washers
outside of the wheel pant.
6. Remove one nut, one flat washer. Attach the
main landing gear to the axle.
7. Center both collars and wheel in the middle of
the wheel pant, lock both collars in place using
a hexagon 2mm screw.
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8. With the landing gear in place, tighten two nuts.
Secure
the plastic cover
Screw
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16mm flat washer
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ENGINE INSTALLATION
INSTALLING THE THROTTLE PUSHROD HOUSING
INSTALLING THE MOTOR AND BATTERY
Installing the electric motor
1. Install the engine mount into the fire wall using
4mm x 25mm screw.
This model can fly with electric, here is our
recommended for set up the system.
2. Place the engine into the engine mount and
align it properly with the front of the cowling.
The distance from the firewall to the front of the
engine thrust washer should 110mm.
!
- Motor brushless: Rimfire .46 - .55
- Lipo cells: 6 cells / 4000 - 5000 mAh.
- ESC: 50A - 70A.
If your engine is equipped with a remote needle
valve, we suggest installing it into the engine at
this time.
3. Slide the pushrod housing through the hole in
the firewall, through the hole in the forward
bulkhead, and into the servo compartment.
16mm
4.
60mm
Apply a couple of drops of thin C/A to the
pushrod housing where it exits the firewall and
where it passes through the forward bulkhead.
This will secure the housing in place.
35mm
5. Using a modeling knife, cut off the nylon pushrod
housing 26mm in front of the servo tray.
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INSTALLING THE ENGINE
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 OS 55 AX
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ESC
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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.
Battery
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.
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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.
FUEL TANK installation
INSTALLING THE STOPPER ASSEMBLY
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.
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.
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.
9. Secure the fuel tank using the plate of plywood
and glue it by C.A glue.
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.
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.
C.A glue
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Control horn elevator
To carburator
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SERVO INSTALLATION
INSTALLING THE FUSELAGE SERVOS
1. Install the rubber grommets and brass collets
into the elevator, rudder and throttle servos.
Test fit the servos into the servo tray. Trim the
tray if necessary to fit your servos
2. Mount the servos to the tray using the mounting
screws provided with your radio system.
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Elevator servo
7. Attach clevis to the third hole in the control
horn. Install a silicone tube on the clevis.
Throttle servo
8. 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 to accommodate the elevator pushrod
wire.
Rudder servo
9. Plug the elevator 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
fuselage.
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INSTALLING THE ELEVATOR PUSHROD
10. Be sure both elevator halves are flat. Center
both elevator halves and hold them in place
using a couple of pieces of masking tape.
1. Locate the pushrod exit slot on the right side
and left side of the fuselage. It is located
slightly ahead and below the horizontal
stabilizer.
11. Connect two elevator purshord to the metal
domino connector and secure it. Insert the wire
pushrod into the metal domino connector and
secure it.
2. Carefully cut away the covering material from
the slot.
3. Working from inside the fuselage, slide the
threaded end of the pushrod until it reaches the
exit slot. Carefully reach in with a small screw
driver and guide the pushrod out of the exit
slot.
12. With the elevator halves and elevator servo
centered, carefully place a mark on the elevator
pushrod wire where it crosses the hole in the
servo arm.
4. Install the clevis on the elevator pushrod. Make
sure 6mm of thread shows inside the clevis.
13. Using pliers, carefully make a 90 degree bend
up at the mark made. Cut off the excess wire,
leaving about 8mm beyond the bend.
5. The control horn should be mounted on the
bottom, left side and right side of the elevator at
the leading edge, in line with the elevator
pushrod.
6. Drill two holes through the elevator using the
control horn as a guide and screw the control
horn in place.
14. Insert the 90 degree bend up 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 the elevator halves.
8
15. Using thick CA glue, secure the pushrod
sleeves to the pushrod sleeve guide.
Instruction Manual
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7. Attach clevis to the third hole in the control
horn. Install a silicone tube on the clevis.
8. 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 to accommodate the rudder pushrod wire.
9.
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Plug the rudder servo into the receiver and
center the servo. Install the servo arm onto the
servo.
10. Center the rudder and hold it in place using a
piece of masking tape.
11. With the rudder and rudder servo centered,
carefully place a mark on the rudder pushrod
wire where it crosses the hole in the servo arm.
12. Using a pliers, carefully make a 90 degree
bend up at the mark made. Cut off excess wire,
leaving about 8mm beyond the bend.
13. Insert the 90 degree bend up 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 rudder.
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INSTALLING THE RUDDER PUSHROD
14. Using thick CA glue, secure the pushrod
sleeves to the pushrod sleeve guide.
1. Locate the pushrod exit slot on the left of the
fuselage.
2. Carefully cut away the covering material from
the slot.
3. Working from inside the fuselage, slide the
threaded end of the remaining pushrod down
the inside of the fuselage until the pushrod
reaches the exit slot. Carefully reach in with a
small screw driver and guide the pushrod out of
the exit slot.
4. Install the clevis on the rudder pushrod. Make
sure 6mm of thread shows inside the clevis.
5. The control horn should be mounted on the left
side of the rudder at the leading edge, in line
with the rudder pushrod.
6.
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Drill two holes through the rudder using the
control horn as a guide and screw the control
horn in place.
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INSTALLING THE THROTTLE
4. While holding the cowl firmly in position, drill
four 1,6mm pilot holes through both the cowl
and the side edges of the firewall.
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 servo
connector. Remove the excess material from
the arm.
!
5. Using a 3mm drill bit, enlarge the four holes in
the cowling.
Enlarging the holes through the cowl will prevent
the fiberglass from splitting when the mounting
screws are installed.
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.
6. Slide the cowl back over the engine and secure it
in place using four 3mm x 12mm wood screws.
7. Install the muffler. Connect the fuel and pressure
lines to the carburator, muffler and fuel filler
valve. Tighten the screws completely.
2. Plug the throttle servo into the receiver and turn
on the radio system. Check to ensure that the
throttle servo output shaft is moving in the
correct direction. When the throttle stick is
moved forward from idle to full throttle, the
throttle barrel should also open and close using
this motion. If not, reverse the direction of the
servo, using the transmitter.
3.
Slide the adjustable metal connector / servo
arm assembly over the plain end of the
pushrod wire. Position the throttle stick and the
throttle trim at their lowest positions.
4. Manually push the carburator barrel fully closed.
Angle the arm back about 45 degree from
center and attach the servo arm onto the servo.
With the carburator barrel fully closed, tighte
the set screw in the adjustable metal connector.
43
5. Remove the excess throttle pushrod wire using
wire cutters and install the servo arm retaining
screw.
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MOUNTING THE COWL
1. Remove the muffler and needle valve assembly
from the engine. Slide the fiberglass cowl over
the engine.
2. Measure and mark the locations to be cut out
for engine head clearance, needle valve,
muffler. Remove the cowl and make these
cutouts using a rotary tool with a cutting disc
and a rotary sanding drum attachment.
3. Slide the cowl back into place. 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 the middle of the precut
opening. Hold the cowl firmly in place using
several pieces of masking tape.
Cowl area cutout
for proper airflow
to carburetor.
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Instruction Manual
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INSTALLING THE RECEIVER AND BATTERY
4. If the nose of the plane falls, the plane is nose
heavy. To correct this first move the battery
pack further back in the fuselage, If this is not
possible or does not correct it, stick small
amounts of lead weight on the fuselage under
the horizontal stabilizer. If the tail of the plane
falls, the plane is tail heavy. To correct this,
move the battery and receiver forward or if this
is not possible, stick weight into the firewall.
When balanced correctly, the airplane should
sit level or slightly nose down when you lift it up
with your fingers.
1. Plug the servo leads and the switch lead into
the receiver. You 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.
INSTALLING THE SWITCH
1. The switch should be mounted on the fuselage
side, opposite the muffler, close enough to the
receiver so the lead will reach. Use the face
plate of the switch cut out and locate the
mounting holes.
95 - 100 mm
2. 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.
3. Secure the switch in place using the two
machine screws provided with the radio system.
LATERAL BALANCE
!
Switch
Receiver
After you have balanced a plane on the C.G.
You should laterally balance it. Doing this will
help the airplane track straighter.
5. Turn the airplane upside down. Attach one loop
of heavy string to the engine crankshaft and
one to the tail wheel wire. With the wings level,
carefully lift the airplane by the string. This may
require two people to make it easier.
Battery
6. If one side of the wing falls, that side is heavier
than the opposite. Add small amounts of lead
weight to the bottom side of the lighter wing
half's wing tip. Follow this procedure until the
wing stays level when you lift the airplane.
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BALANCING
1. It is critical that your airplane be balanced
correctly. Improper balance will cause your
plane to lose control and crash.
CONTROL THROWS
1. We highly recommend setting up a plane using
the control throws listed.
THE CENTER OF GRAVITY IS LOCATED 95 100mm BACK FROM THE LEADING EDGE
OF THE WING, AT THE FUSELAGE. This
location is recommended for initial test flying
and trimming. BALANCE A PLANE UPSIDE
DOWN WITH THE FUEL TANK EMPTY.
2. The control throws should be measured at the
widest point of each surface!.
3. Check to be sure the control surfaces move in
the correct directions.
2. Mount the wing to the fuselage. Using a couple
of pieces of masking tape, place them on the
top side of the wing 95 - 100mm bach from the
leading edge, at the fuselage sides.
Ailerons
Elevator
Rudder
3. Turn the airplane upside down. Place your
fingers on the masking tape and carefully lift
the plane.
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: 10mm up 10mm down
: 10mm up 10mm down
: 25mm right 25mm left
Instruction Manual
10mm
10mm
SBACH
FLIGHT PREPARATION
PRE FLIGHT CHECK
1. Completely charge your transmitter and receiver
batteries before your first day of flying.
Aileron Control
10mm
10mm
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
Elevator Control
4. Check the control surface
25mm
25mm
Rudder Control
5. Check the receiver antenna. It should be fully
extended and not coiled up inside the fuselage.
6. Properly balance the propeller.
We wish you many enjoyable flights with your
plane and once again thank you for your
choosing a Phoenix Model's products.
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I/C FLIGHT WARNINGS
I/C FLIGHT GUIDELINES
When ready to fly, first extend the
transmitter aerial.
Switch on the transmitter.
Operate the control sticks on the
transmitter and check that the control
surfaces move freely and in the
CORRECT directions.
ALWAYS land the model INTO the
wind, this ensures that the model lands
at the slowest possible speed.
Check that the transmitter batteries
have adequate power.
Switch off the receiver.
Switch on the receiver.
Check that the wings are correctly
fitted to the fuselage.
ALWAYS take off into the wind.
Switch off the transmitter.
If the model does not respond correctly
to the controls, land it as soon as
possible and correct the fault.
Empty the fuel tank after flying, fuel left
in the tank can cause corrosion and
lead to engine problems.
Made in Vietnam
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