Seagull Models SEA274 Manuel utilisateur
1
ASSEMBLY MANUAL
Specications:
Wingspan---------------82.0 in (208.2 cm).
Wing area---------------1349.4 sq.in ( 87.1 sq.dm).
Weight-------------------16.3 -16.8 lbs (7.4- 7.6kg).
Length-------------------77.7 in (197.3 cm).
Engine-------------------50cc-55cc gasoline.
Radio--------------------6 channels with 6 servos.
“ Graphics and specications may change without notice ” .
Code: SEA274
EXTRA 330LX
EXTRA 330LX Instruction Manual.
2
ank you for choosing the EXTRA 330LX ARF by SG MODELS . e EXTRA 330LX
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,
plywood 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 EXTRA 330LX 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 EXTRA 330LX . Use the parts listing
below to indentify all parts.
ADDITIONAL ITEMS REQUIRED. TOOLS & SUPPLIES NEEDED.
INTRODUCTION.
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 & 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 oer 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.
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.
�50cc-55cc gasoline engine.
�Computer radio with 6 servos.
�Glow plug to suit engine.
�Propeller to suit engine.
�Protective foam rubber for radio
system.
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EXTRA 330LX Instruction Manual.
4
INSTALL THE AILERONS
CONTROL HORN.
Epoxy.
Epoxy.
Aileron control horn.
INSTALLING THE AILERON SERVOS.
1) e ailerons have been pre-hinged
and glued to the wing panels and are
ready for ight. No other steps are neces-
sary for hinging.
2) Layout the servo on the wing to test t
the installation and ensure servo lead is
the correct length.
3) Attach the extension to the servo lead
and secure with Safety Clip, safety wire,
tape or other method. Ensure the plugs
will not come apart from vibration or
light tension.
4) Fasten the pull string from the servo
hole to the male plug of the servo exten-
sion.
Fiberglass control horn
NOTE : servos arm for aileron is not pro-
vided from manufacturer.
5
5) Install servo in servo well with the out-
put arm toward the leading edge of the
wing. Mark and drill location of servo
mounting holes.
6) Install servo with servo mounting
screws.
in CA.
38mm
INSTALLING THE AILERON
PUSHROD.
M3x15 Socket Head Cap Screw.
Flat washer.
Lock nut.
M3x15 Socket Head Cap Screw.
Lock nut.
Flat washer.
EXTRA 330LX Instruction Manual.
6
ELEVATOR SERVO INSTALLATION.
1) e elevators have been pre-hinged
and glued to the stabs and are ready for
ight. No other steps are necessary for
hinging.
INSTALL ELEVATOR CONTROL HORN.
Elevator berglass control horn.
Epoxy.
Epoxy.
Fiberglass control horn
2) Attach the extension to the servo lead
and secure with Safety Clip, safety wire,
tape or other method. Ensure the plugs
will not come apart from vibration or
light tension.
Repeat all the above steps for the other
wing.
100mm
NOTE : servos arm for elevator is not pro-
vided from manufacturer.
7
3) Feed servo extension through the el-
evator servo mounting hole.
4) Mark and drill location of servo
mounting holes.
in CA.
38mm
5) Install servo with servo mounting
screws.
ELEVATOR PUSHROD INSTALLATION.
M3x15 Socket Head Cap Screw.
Flat washer.
Lock nut.
EXTRA 330LX Instruction Manual.
8
.
.
INSTALL RUDDER CONTROL HORN.
Repeat all the above steps for the other
elevator.
M3x15 Socket Head Cap Screw.
Lock nut.
Flat washer.
Fiberglass control horn
38mm
Epoxy.
Use scotch tape to avoid
pushrod drop out.
9
1) Gather one rudder ervo, mounting
screws, servo arm and the rudder control
linkage parts shown below.
INSTALL RUDDER CABLE AND SERVO.
38mm
2) Tape the rudder balance tab to the top
leading edge of the vertical n in the neu-
tral position as shown. is ensures the
rudder is straight when the cables are at-
tached.
3) read the rudder cable through a
brass swage tube, then the threaded cou-
pler, and back through the brass swage
tube on both sides. Pull light tension on
the cable through the coupler on both
sides as shown.
M3x15 Socket Head Cap Screw.
Lock nut.
Flat washer.
5) Crimp the brass tube with a crimping
tool or pliers.
4) Loop the cable back through the brass
swage tube and tighten the second loop
through the brass swage tube as shown.
NOTE : servos arm is not provided from
manufacturer.
EXTRA 330LX Instruction Manual.
10
11) Loop the cable back through the brass
swage tube and pull tight.
10) read cable through the threaded
coupler hole, and back through the brass
swage tube as shown.
6) Cut o excess cable as shown.
7) Mark and use a 1/16 bit to drill the
rudder servo.
9) read cable through brass swage tube.
8) Feed one rudder cable through the pre
installed cable exit tube in the rear of the
fuse toward the front of the fuse. Repeat
for other side.
in CA.
Ce manuel convient aux modèles suivants
2
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