To 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.
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.
SAFETY PRECAUTION:
• 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.
NOTE:
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. The
STREGA GP/EP Size 30cc SCALE 1:6 ½ 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.
PREPARATIONS
Use a covering iron with a covering sock on
high heat to tighten the covering if necessary.
Apply pressure over sheeted areas to
thoroughly bond the covering to the wood.
1
Page 3
Instruction Manual
STREGA
INSTALLING THE AILERONS
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.
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.
< Bottom view >
Main Wing
Aileron
Flap
Apply instant glue (CA glue, super glue).
Make certain the hinges are adequately secured with glue. If
they come loose in flight accidents may result.
Secure nylon hinges with instant glue, being careful
not to glue the wing and airleron together.
Align the center line of main wing with aileron.
2
Page 4
Instruction Manual
STREGA
INSTALLING THE AILERONs AND FLAPs
SERVOS
1. Install the rubber grommets and brass eyelets onto
the aileron servo.
2. Using a modeling knife, remove the covering from over
the pre-cut servo arm exit hole on the aileron servo
tray / hatch. This hole will allow the servo arm to pass
through when installing the aileron pushrods.
3. Place the servo into the servo tray. Center the servo
within the tray and drill pilot holes through the block
of wood for each of the four mounting screws
provided with the servo.
Aileron
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.
5. Place the aileron servo tray / hatch into the servo
box on the bottom of the wing and drill pilot
holes through the tray and the servo box for
each of the four mounting screws. Secure the
servo tray in place using the mounting screws
provided .
6. Repeat step # 2 - # 5 to install the second aileron
servo in the opposite wing half.
2 x 10mm TP Screw
16
Flap
2mm
approx. 13mm
Aileron and Flap Servo
1.5mm
< Bottom view >
1.5mm
Must be purchased
separately!
Assemble left and right
sides the same way
Cut off shaded portion
Cut away film only. here
Supplied with the servo
3
Page 5
Instruction Manual
STREGA
Warning!
Set all scerws securely. If they
come off during flight you will
lose control of your aircraft!
Cut off shaded portion
Cut away film only here.
Tie the string.
Pull out servo cord with string.
4
Page 6
Instruction Manual
INSTALLING THE AILERONs AND FLAPs LINKAGES
Aileron
STREGA
3 x 25mm Cap Screw
3 x 30mm Cap Screw
2 x 10mm Screw
Nut
2mm
4
4
4
4
2x10mm
Flap
< Bottom view >
Neutral
Bend 90
Mark the spot to attach.
Apply threadlocker
(screw cement).
Cut off excess.
Cut off shaded portion
Assemble left and right
sides the same way
5
Page 7
Instruction Manual
Aileron
Aileron Rod
STREGA
Assemble left and right
sides the same way
Flap Rod
Flap
< Bottom view >
INSTALLING THE MAIN LANDING GEAR
3 x 10mm Button Screw
4
3 x 8mm Button Screw
4
5 x 40mm Cap Screw
2
5mm Collar
2
4x4mm Set Screw
2
Pay close attention here!
6
Page 8
Instruction Manual
5x40mm
STREGA
5mm
3x10mm
3x8mm
Apply instant glue
(CA glue, super glue).
Apply threadlocker
(screw cement).
Assemble left and right
sides the same way
7
Page 9
Instruction Manual
< Wheel well >
STREGA
Assemble left and right
sides the same way
Apply epoxy glue
Cut off shaded portion
Pay close attention here!
8
Page 10
Instruction Manual
STREGA
3 x 20mm TP Screw
2 x 10mm TP Screw
8
3x20mm
3x20mm
Assemble left and right
sides the same way
9
Page 11
Instruction Manual
STREGA
Must be purchased separately!
Apply threadlocker
(screw cement).
Ensure smooth, non-binding
movement when assembling
< Retract gear Left. >< Retract gear Right. >
Assemble left and right
sides the same way
10
Page 12
Instruction Manual
2x10mm
STREGA
Apply epoxy glue
Assemble left and right
sides the same way
11
Page 13
Instruction Manual
STREGA
Apply instant glue
(CA glue, super glue).
Cut off shaded portion
Apply epoxy glue
12
Page 14
Instruction Manual
STREGA
SECURE The Wing To The Fuselage
Attach the wings to the fuselage and secure the wing
panels.
6x50mm
6x50mm Cap Screw
2
6mm Washer
2
6mm
HORIZONTAL STABILIZER INSTALLATION
1. Using a modeling knife, cut away the covering
from the fuselage for the stabilizer and remove it.
2. Remove the covering from the 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.
3. Attach the wing to the fuselage as picture.
4. Test the position of the elevator and adjust it as
shown.
Cut off shaded portion
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 bottom and to the
top of the stabilizer mounting area and to the
stabilizer mounting platform sides in the fuselage.
Insert 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.
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.
7. Repeat step 1 - step 2 from the installing aileron for
the installing elevator.
13
Page 15
Instruction Manual
STREGA
14
Apply instant glue
(CA glue, super glue).
Cut off shaded portion
Pay close attention here!
Ensure smooth, non-binding
movement when assembling
Page 16
Instruction Manual
STREGA
INSTALLING ruDDER AND TAIL GEAR
3 x 15mm TP Screw
3 x 4mm Set Screw
2.7mm Collar
2
3x15mm TP
Secure nylon hinges
with instant glue, being
careful vertical fin
and rudder.
Align the center line of
vertical fin with rudder.
Apply instant glue
(CA glue, super glue).
Apply epoxy glue
Ensure smooth, non-binding
movement when assembling
15
Page 17
Instruction Manual
3x4mm
STREGA
16
Apply instant glue
(CA glue, super glue).
Apply threadlocker (screw cement).
Page 18
Instruction Manual
STREGA
INSTALLING THE RUDDER LINKAGES
The rudder is controlled by two metal cables.
Install the rudder linkages and cables as below.
1. Use a hobby knife to remove the covering from
the openings for the rudder control cables.
2. The rudder has a block wood plate for mounting
the control horn. Two control horn in positioned
on both side rudder (left and right).
3. Install the control horn to the rudder .
4. Slide a crimp onto the cable, then pass the
cable through the threaded cable end. Pass
the cable back into the crimp and use crimping
pliers to secure the crimp to the cable. Guide
the cable into the fuselage to the position for
the rudder servo.
3x12mm Screw
2
Nut
3mm
2
2
Aluminum ball
5. Thread the metal connector to the link ball.
6. Center the rudder servo using the radio and
install the servo arm. Attach the metal clevis to
the rudder servo arm.
7. Slide a crimp onto the cable, then pass the
cable through the threaded cable end. Pass
the cable back into the crimp and use crimping
pliers to secure the crimp to the cable.
8. Thread the metal connector to the metal clevis.
9. Attach the clevis to the rudder servo. There
should be light tension on each of the wires
when installed properly.
Note:Remember use thread locking compound
to secure.
3x12mm
3 x 30mm Cap Screw
Aluminum ball
2
2
3mm
Cable rod
1
Cable rod
Plate of wood
3x12mm
Cable
Apply instant glue
(CA glue, super glue).
Cut off shaded portion
Apply threadlocker
(screw cement).
Pay close attention here
3x30mm
17
Page 19
Instruction Manual
Set all screws securely. If they
come off during flight you will
lose control of your aircraft!
STREGA
Rudder servo
Cut off shaded portion
Pay close attention here
Must be purchased separately!
INSTALLING THE ELEVATOR PUSHROD
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.
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.
4. Install the nylon clevis into the two elevator
pushrod.
the clevis.
5. The control horn should be mounted on the
bottom, left side and right side of the elevator
Make sure 6mm of thread shows inside
.
6. Remove the covering from the slot on the elevator.
Insert and secure the control horn in place.
7. Attach nylon clevis to the control horn and secure it .
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
accommodate the elevator pushrod wire.
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.
10. 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.
center to
18
Page 20
Instruction Manual
11. Using pliers, carefully make a 90 degree bend up at
the mark made. Cut off the excess wire, leaving about
6mm beyond the bend.
12. Make the same way for the second elevator.
STREGA
3 x 20mm Cap Screw
2
2 x 10mm Screw
Nut
2mm
Apply threadlocker
(screw cement).
2x10mm
2
approx. 13mm
3 x 20mm
Apply instant glue
(CA glue, super glue).
Pay close attention here
Cut off shaded portion
Must be purchased separately!
19
Page 21
Instruction Manual
STREGA
Elevator Servo
Cut off excess.
Pay close attention here!
INSTALLING THE 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 5mm 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.
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.
Elevator Servo
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.
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.
20
Page 22
Instruction Manual
STREGA
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.
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.
Fuel Tank
Silicone Tube
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.
Zip tie
Foam ring
21
Refer to engin’s instruction
manual and set up piping.
Page 23
Instruction Manual
STREGA
INSTALLING THE ENGINE
May be you also need to trim some
wood from the tri-angle wood for
the installation is easy.
3mm
Choke rod
Silicone
Bend 90
0
Nut
3mm
3 x 300mm Choke rod
3 x 210mm Throttle rod
16x5mm Washer
3mm
Silicone
3
1
1
4
5x100mm Cap Screw
12x60mm Aluminum
5mm Spring Washer
5mm Washer
3mm
Throttle
rod
4
4
4
4
Silicone
5x100mm
5x100mm
5mm
DLE 30CC
5mm
16x5mm
12x60mm
Apply threadlocker
(screw cement).
Must be purchased
separately!
22
Page 24
Instruction Manual
Throttle Lever
STREGA
Choke Lever
DLE 30CC
DLE 30CC
Silicone
165mm
Must be purchased
separately!
23
Page 25
Instruction Manual
STREGA
DLE
Electronic Ignition
Must be purchased
separately!
INSTALLING THE THROTTLE
1.
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.
Zip tie
Foam Pad
Throttle Rod
Choke rod
Throttle Servo
Must be purchased
separately!
Cut off shaded portion
24
Page 26
Instruction Manual
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.
Washer
STREGA
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.
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.
6. Slide the cowl back over the engine and secure it
in place using four screws.
7. Install the muffler. Connect the fuel and pressure
lines to the carburator, muffler and fuel filler
valve. Tighten the screws completely.
3 x 15mm TP Screw
5mm
Trim the cowling so it will match
your engine
Cut off shaded portion
25
Page 27
Instruction Manual
STREGA
3x15mm
Must be purchased
separately!
26
Page 28
Instruction Manual
Hatch
STREGA
Open and Close
INSTALLING THE SPINNER
Install the spinner back-plate, propeller and
spinner cone. The spinner cone is held in place
using two screws.
The propeller should not touch any part of the
spinner cone. If it dose, use a sharp modeling
knife and carefully trim away the spinner cone
where the propeller comes in contact with it.
3x12mm TP Screw
4
Propeller
Spinner
Spinner
3x12mm
Must be purchased
separately!
Use the spacer
suitable for a shaft.
27
Page 29
Instruction Manual
STREGA
INSTALLING THE RECEIVER AND BATTERY
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.
Do not permanently secure the receiver and battery
until after balancing the model.
Foam Pad
Battery for Receiver
Tape
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.
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.
Tape
Receiver
Foam Pad
Battery for
Engine
Foam Pad
Tape
Must be purchased
separately!
28
Page 30
Instruction Manual
STREGA
INSTALLING THE ELECTRIC MOTOR ( EP VERSION )
4mm
4mm
4x35mm
4x35mm
5mm
Cut off shaded portion
Must be purchased
separately!
4 x 35mm Cap Screw
4mm Washer
4
10x15mm
4mm Spring Washer
4
10x15mm Aluminum
4
White glue
Must be purchased
separately!
5mm Washer
8
29
Page 31
Instruction Manual
16x5mm
5mm
5mm
5mm
5x100mm
STREGA
12x60mm
5x100mm
5mm
5mm
Apply threadlocker
(screw cement).
Must be purchased
separately!
Battery Cord
Velcro
Battery
Must be purchased
separately!
ESC
30
Page 32
Instruction Manual
STREGA
When rotating clock wise, change the
connection of 2 wires.
BALANCING
1. It is critical that your airplane be balanced correctly.
Improper balance will cause your plane to lose
control and crash.
THE CENTER OF GRAVITY IS LOCATED 155mm (
6.1 in) BACK FROM THE LEADING EDGE OF
THE WING, AT THE FUSELAGE. BALANCE A
PLANE UPSIDE DOWN WITH THE FUEL TANK
EMPTY.
2. Mount the wing to the fuselage. Using a couple of
pieces of masking tape, place them on the top
side of the wing 155mm ( 6.1 in) back from the
leading edge, at the fuselage sides.
Electric Speed Controller
Must be purchased
separately!
Follow instruction
manual of Motor and ESC.
3. Turn the airplane upside down. Place your fingers
on the masking tape and carefully lift the plane.
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.
31
Page 33
Instruction Manual
STREGA
LATERAL BALANCE
After you have balanced a plane on the C.G.
You should laterally balance it. Doing this will
help the airplane track straighter.
1. 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.
155mm
( 6.1 in)
CONTROL THROWS
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.
2. If one side of the wing fall, 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.
Ailerons : 11 mm up 11 mm down
Elevator : 11 mm up 11 mm down
Rudder : 30 mm right 30 mm left
Flap : 15 - 20 mm down
FLIGHT PREPARATION PRE FLIGHT CHECK
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.
32
Page 34
Instruction Manual
STREGA
11mm
11mm
Aileron Control
Elevator Control
Rudder Control
11mm
11mm
30mm
30mm
15-20mm
33
Flap Control
Page 35
Instruction Manual
FOR YOUR RADIO INSTALLATION
BASIC CONNECTION FOR AIRPLANE AND ADJUSTMENT OF SERVOS
STREGA
Example of connection
For more information, refer to radio system instruction manual.
Follow instruction manual of Engine and Battery.
Retract Gear
Servo
Retract Gear
Servo
Rudder Servo
34
Page 36
Instruction Manual
Main Gear Dimensional Detail
STREGA
160.0
192.5
160.0
90
33.5
0
192.5
16.8
25.0
160.0
Tail Gear Dimensional Detail
2.5
72.0
2.5
28.0
25.5
71.5
20.1
35
28.0
Page 37
3x15mm(TP)
3x4mm
3x15mm(TP)
4x35mm
4mm
3x12mm(TP)
5mm
10x15mm
5mm
5mm
5x100mm
5mm
16x5mm
12x60mm
3x10mm
3x8mm
3x20mm(TP)
3x8mm
3x20mm(TP)
3x10mm
36
Page 38
2x10mm(TP)
3x25mm
2x10mm(TP)
3x30mm
2mm
2mm
3x20mm
3x20mm
2mm
2mm
2x10mm
2x10mm
3x30mm
3mm
3mm
2mm
3x30mm
2mm
3x25mm
2x10mm(TP)
2x10mm(TP)
37
Page 39
I/C FLIGHT WARNINGS
Always operate in open areas, away
from factories, hospitals, schools,
buildings and houses etc. NEVER fly
your aircraft close to people or built
up areas.
NEVER fly near power lines, aerials
or other dangerous areas including
airports, motorways etc.
THE PROPELLER IS DANGEROUS
Keep fingers, clothing (ties, shirt
sleeves, scarves) or any other loose
objects that could be caught or drawn
in, away from the propeller. Take care
at ALL times.
NEVER use damaged or deformed
propellers or spinners.
Keep all onlookers (especially small
children and animals) well back from
the area of operation. This is a flying
aircraft, which will cause serious
injury in case of impact with a person
or animal.
DO NOT dispose of empty fuel
containers on a fire, this can lead to
an explosion.
NEVER fly in wet conditions or on
windy or stormy days.
ALWAYS adjust the engine from
behind the propeller, and do not allow
any part of your body to be in line
with the propeller.
Page 40
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.
Check that the transmitter batteries
have adequate power.
ALWAYS land the model INTO the
wind, this ensures that the model lands
at the slowest possible speed.
Switch off the receiver.
Switch on the receiver.
Check that the wings are correctly
fitted to the fuselage.
ALWAYS take off into the wind.
If the model does not respond correctly
to the controls, land it as soon as
possible and correct the fault.
Switch off the transmitter.
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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