SG Models Supermarine Spitfire MK VB AB910 User manual

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ASSEMBLY MANUAL
Code: SEA260
“ Graphics and specications may change without notice “ .
Specications:
Wingspan---------------86.4 in (219.5 cm).
Wing area---------------1325.3 sq.in (85.5 sq.dm).
Weight-------------------17.6-18.1 lbs (8.0-8.2 kg).
Length-------------------72.0 in (183 cm).
Gasoline Engine--------50-55cc
Radio--------------------8 channels with 10 servos.
Electric conversion: Optional.

SPITFIRE 55cc Instruction Manual.
2
ank you for choosing the SPITFIRE 55cc ARF by SG MODELS . e SPITFIRE 55cc was
designed with the intermediate/advanced sport yer in mind. It is a semi scale airplane which
is easy to y and quick to assemble. e airframe is conventionally built using balsa, ply-
wood to make it stronger than the average ARF, yet the design allows the aeroplane to be kept
light. You will nd that most of the work has been done for you already. e motor mount
has been tted and the hinges are pre-installed. Flying the SPITFIRE 55cc is simply a joy.
is instruction manual is designed to help you build a great ying aeroplane. Please read
this manual throughly before starting assembly of your SPITFIRE 55cc . Use the parts listing
below to indentify all parts.
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 & REPONSIBILITY.
If you are inexperienced with basic R/C ight we strongly recommend you contact your R/C
supplier and join your local R/C model Flying Club. R/C Model Flying Clubs oer a variety of
training procedures designed to help the new pilot on his way to successful R/C ight. ey
will also be able to advise on any insurance and safety regulations that may apply.
INTRODUCTION.
WARNING.
KIT CONTENTS
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5
2
3
3
2
4
6
7

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KIT CONTENTS.
SEA260 SPITFIRE 55cc
SEA26001 Fuselage
SEA26002 Wing set
SEA26003 Tail set
SEA26004 Canopy
SEA26005 Cowling
SEA26006 Pilot
SEA26007 Aluminum wing tube
ADDITIONAL ITEMS REQUIRED.
TOOLS & SUPPLIES NEEDED.
in cyanoacrylate glue.
Medium 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.
read-lock.
Paper towels.
HINGING THE FLAP.
�55cc gasoline engine.
�Computer radio with 10 servos.
�Glow plug to suit engine.
�Propeller to suit engine.
�Protective foam rubber for radio
system.

SPITFIRE 55cc Instruction Manual.
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INSTALL THE AILERONS
CONTROL HORN.
Fiberglass control horn
Fiberglass control horn
Fiberglass control horn
Epoxy.
Aileron control horn.
INSTALL FLAP CONTROL HORN.
Install the ap control horn using the
same method as same as the aileron con-
trol horns.
INSTALL ELEVATOR CONTROL HORN.
Epoxy.
Epoxy.
Epoxy.
Epoxy.

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Fiberglass control horn
Elevator berglass control horn.
Epoxy.
INSTALL RUDDER CONTROL HORN.
Repeat steps to install the rudder control
horn as same as steps done for ailerons.
Epoxy.
Rudder berglass control horn.
INSTALLING THE FUSELAGE SERVOS.
.
Because the size of servos dier, you
may need to adjust the size of the precut
opening in the mount. e notch in the
sides of the mount allow the servo lead to
pass through.
1) Install the rubber grommets and brass
collets into all servos. Test t the servo
into the fuselage servo mount.
2) Secure the servos with the screws pro-
vided with your radio system.
Rudder and steering servo.
rottle servo.
THROTTLE SERVO ARM
INSTALLATION.
Install adjustable servo connector in the
servo arm as same as picture below:
Servo arm.
Adjustable servo
connector.
Loctite secure.
rottle servo arm.
Rudder and steering servo arm.

SPITFIRE 55cc Instruction Manual.
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Switch.
INSTALLING THE STOPPER
ASSEMBLY.
1) Using a modeling knife, carefully cut
o the rear portion of one of the 3 nylon
tubes leaving 1/2” protruding from the
rear of the stopper. is will be the fuel
pick up tube.
2) Using a modeling knife, cut one length
of silicon fuel line. Connect one end of
the line to the weighted fuel pick up and
the other end to the nylon pick up tube.
A
INSTALLING THE RECEIVER SWITCH.
Install the switch into the precut hole in
the side, in the fuselage.
3/32” Hole.
Trim and cut.
.
Switch.
INSTALLING THE ENGINE SWITCH.
Trim and cut.

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Vent tube. Fuel pick up tube.
Fuel fill tube.
3) Carefully bend the second nylon tube up
at a 45º angle. is tube is the vent tube.
4) Test t the stopper assembly into the
tank. It may be necessary to remove some
of the ashing around the tank opening us-
ing a modeling knife. If ashing is present,
make sure none falls into the tank.
5) With the stopper assembly in place, the
weighted pick-up should rest away from the
rear of the tank and move freely inside the
tank. e top of the vent tube should rest just
below the top of the tank. It should not touch
the top of the tank.
6) When satised with the alignment of the
stopper assembly tighten the 3 x 20mm ma-
chine 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.
FUEL TANK INSTALLATION.
You should mark which tube is the vent
and which is the fuel pickup when you attach
fuel tubing to the tubes in the stopper. Once
the tank is installed inside the fuselage, it may
be dicult to determine which is which.
7) Slide the fuel tank into the fuselage. Guide
the lines from the tank through the hole in
the rewall.
8) Use plywood template to hold in place the
fuel tank with C/A glue to secure the fuel
tank inside the fuselage.
C/A glue.
Balsa wood.
A
9) Connect the lines from the tank to the en-
gine and muer. e vent line will connect
to the muer and the line from the clunk to
the carburetor.
Vent tube.
Fuel pick up tube.
Fuel ll tube.

SPITFIRE 55cc 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 ow
through easily.
MOUNTING THE ENGINE .
5x70 mm
6.2mm

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1) Reinstall the servo horn by sliding the
connector over the pushrod wire. Center
the throttle stick and trim and install the
servo horn perpendicular to the servo
center line.
2) Move the throttle stick to the closed po-
sition and move the carburetor to closed.
Use a 2.5mm hex wrench to tighten the
screw that secures the throttle pushrod
wire. Make sure to use threadlock on the
screw so it does not vibrate loose.
ELECTRIC POWER CONVERSION.
1) Locate the items necessary to installl
the electric power conversion included
with your model.
2) Recommend the items necessary to in-
stall the electric power conversion parts
included with your model.
- Motor: 360 - 6000 watt
- Propeller: 24x10 ~ 25x12
- ESC: 160A-200A
- Lipo: 10S -12S
3) Attach the electric motor box to the
rewall suitable with the cross lines
drawn on the electric motor box and re-
wall. Using M5x25mm to secure the mo-
tor box to the rewall. Please see pictures
below.

SPITFIRE 55cc Instruction Manual.
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M5x25mm
5mm
Blind nut.
4) Attach the motor to the front of the
electric motor box using four 4mm blind
nut, four M4x20mm hex head bolts to se-
cure the motor. Please see picture shown.
M4x20mm
6.2mm

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COWLING.
Please see these below pictures.
5) Attach the speed control to the side
of the motor box using two-sided tape
and tie wraps. Connect the appropriate
leads from the speed control to the mo-
tor. Make sure the leads will not interfere
with the operation of the motor.

SPITFIRE 55cc Instruction Manual.
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2) Slide the cowl in position on the fuselage.
Use M3x10mm screws to secure the cowling
to the fuselage.
1) Carefully align the cowling on the air-
plane. e front of the cowl should be posi-
tioned so the cranksha is in the middle of
the cowl opening. Hold the cowl rmly in
place using pieces of masking tape.
3x10mm
INSTALLING THE SPINNER.
e propeller should not touch any
part of the spinner cone. If it does, use a
sharp modeling knife and carefully trim
away the spinner cone where the propel-
ler comes in contact with it.

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INSTALLING THE AILERON SERVOS.
Servos
.
Small weight
.
Thread
Because the size of servos dier, you
may need to adjust the size of the precut
opening in the mount. e notch in the
sides of the mount allow the servo lead to
pass through.
1) Using a small weight (Weighted fuel
pick-up works well) and string, feed the
string through the wing as indicated.
2) Place the servo between the mounting
blocks and space it from the hatch. Use a
pencil to mark the mounting hole loca-
tions on the blocks.
3) Use drill bit in a pin vise to drill the
mouting holes in the blocks.
4) Apply 2-3 drops of thin C/A to each
of the mounting holes. Allow the C/A to
cure without using accelerator.
C/A glue

SPITFIRE 55cc Instruction Manual.
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5) Use dental oss to secure the connec-
tion so they cannot become unplugged.
6) Secure the servo to the aileron hatch
using Phillips screwdriver and the screws
provided with the servo.
7) Apply 1-2 drops of thin C/A to each of
the mounting tabs. Allow the C/A to cure
without using accelerator.
C/A glue
8) Remove the string from the wing at
the servo location and use the tape to at-
tach it to the servo extension lead. Pull
the lead through the wing and remove
the string.

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9) Set the aileron hatch in place and use a
Phillips screw driver to install it with four
wood screws.
Elevator servos assembly as below pic-
tures.
2x10mm
INSTALLING THE FLAP SERVO.
INSTALLING RETRACT SERVO.
INSTALLING ELEVATOR SERVOS.
Repeat the procedure for the ap servo.

SPITFIRE 55cc Instruction Manual.
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INSTALLING THE FLAP PUSHROD.
Repeat the procedure as aileron push-
rod.
AILERON PUSHROD
INSTALLATION.
Please see below pictures.
80mm
70mm
M3 clevis. M3 lock nut.
M3 clevis. M3 lock nut.

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1) Locate the items necessary to install
retractable landing gear as shown.
2) Install Retractable landing gear at the
wings.
INSTALLING THE ELEVATOR
PUSHROD.
INSTALLING RETRACTABLE
LANDING GEAR.
60mm
M3 clevis. M3 lock nut.

SPITFIRE 55cc Instruction Manual.
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50mm
M3 clevis. M3 lock nut.
3) Install Wheel.
Epoxy.

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OPTIONAL RETRACTABLE
LANDING GEAR.
Electric retractable landing gear is not
included in this kit, however it is a very
popular add-on as optional. If you want
to use retracts in your Spitre 55cc, we
recommend that you buy a good set of
electric retracts as the Himark AM05
Main Gear . ese retract units will bolt
right into the Spitre 55cc inplace of the
standard xed gear.
130mm

SPITFIRE 55cc Instruction Manual.
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.
INSTALLING RUDDER HINGE. INSTALLING THE HORIZONTAL
STABILIZER.
e rudder hinge assembly as below pic-
tures.