Seagull Models X-RAY User manual
Kit features.
• Ready-made—minimalassembly&finishingrequired.
• Ready-coveredcovering.
• Photo-illustratedstep-by-stepAssemblyManual.
MadeinVietnam.
Specifications
WingSpan-------------------------------39in---------------------99.6cm.
WingArea-------------------------------341sqin--------------22sqdm.
Weight-----------------------------------20-25oz------------- 567-709g.
Length----------------------------------- 39.6in------------------100.5cm.
Radio--------------------------------4channelwith4sub-microservos.
Motorsize---------------------------- Park450toPark480Outrunner.
Need to Complete
Speed Control: 35A to 40A Brushless
Recommended Battery 3-cell 11.1V 1320mAh to 2100mAh Li-Po.
ASSEMBLY MANUAL
MS:X2
X-RAY. Instruction Manual.
2
INTRODUCTION.
Thank you for choosing the X-RAY ARTF by SEAGULL EP. The X-RAY was designed with the
intermediate/advanced sport flyer in mind. It is a 3D airplane which is easy to fly and quick to
assemble. The airframe is conventionally built using balsa, plywood to make it stronger than the
average ARTF , the design allows the aeroplane to be kept light. You will find that most of the work
has been done for you already.Flying the X-RAY is simply a joy.
This instruction manual is designed to help you build a great flying aeroplane. Please read this
manual thoroughly before starting assembly of your X-RAY. 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.
If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C
supplierandjoinyourlocalR/CModelFlyingClub.R/CModelFlyingClubsofferavarietyoftraining
proceduresdesignedtohelpthenew pilot on his way to successful R/Cflight.Theywillalsobeable
to advise on any insurance and safety regulations that may apply.
ADDITIONAL ITEMS REQUIRED.
!Motor:Park 450 to Park 480
Outrunner.
!Radio with four sub-micro servos
( S75 7.5gram ( EFLRS75)).
!Speed control: 35A to 40 A
brushless.
!Battery: 3 cell 11.1 V / 1320 -
2100mAh Li-Po.
40-Amp Brushless ESC (EFLA312B).
Park 450 outrunner (EFLM1400)
Park 480 outrunner 910KV (EFLM1510)
-3Cell,11.1V1320mAh Li-po ( THP1320SPL)
-3Cell, 11.1V1900mAh Li-po (THP19003S)
-3Cell,11.1V2100mAh Li-po(THP21003SPL)
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3
NOTE: To avoid scratching your new aero-
planewesuggestthatyoucoveryour
workbench with an old towel. Keep a
couple of jars or bowls handy to hold
the small parts after you open the
bags.
Pleasetrialfitallparts.Makesureyou
have the correct parts and that they
fit and are aligned properly before
gluing! This will ensure proper as-
sembly as the X-RAY is made from
natural materials and minor adjust-
ments may have to be made.
The paint and plastic parts used in
this kit are fuel proof. However, they
arenottolerantofmanyharshchemi-
cals including the following: paint
thinner, cyano-acrylate glue accel-
erator,cyanoacrylategluede-bonder
andacetone.Donot let these chemi-
calscome incontact withthe colours
onthecoveringand the plastic parts.
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.
Please contact Horizon Hobby for product support
and technical assistance at 877-504-0233.
Replacement parts are available from your local
dealer or through Horizon Hobby.
HORIZON HOBBY DISTRIBUTIONS INC
4105Fieldstone Rd, Champaign, IL 61822-USA
X-RAY. Instruction Manual.
4
!1) Carefully remove the aileron from one
of the wing panels. Note the position of the
hinges.
!2)Removeeachhinge from thewingpanel
and aileron and place a T-pin in the center of
each hinge. Slide each hinge into the wing
panel until the T-pin is snug against the wing
panel. This will help ensure an equal amount
ofhingeisoneither side of thehingelinewhen
the aileron is mounted to the aileron.
HINGING THE AILERONS.
Work the aileron up and down several
times to “work in” the hinges and check
for proper movement.
!3) Slide the wing panel on the aileron until
there is only a slight gap. The hinge is now
centered on the wing panel and aileron.
Remove the T-pins and snug the aileron
against the wing panel.A gap of 1/64” or less
shouldbe maintained betweenthe wing panel
andaileron.
Note:
!4)Deflect the aileron and completely
saturate each hinge with thin C/A glue. The
aileronsfrontsurfaceshouldlightly contact the
wing during this procedure. Ideally, when the
hinges are glued in place, a 1/64” gap or less
will be maintained throughout the lengh of the
aileron to the wing panel hinge line.
!7) Repeat this process with the other wing
panel, securely hinging the aileron in place.
!5)Turnthe wingpanel over anddeflect the
aileron in the opposite direction from the
opposite side. Apply thin C/A glue to each
hinge,makingsure that theC/Apenetratesinto
both the aileron and wing panel.
!6) Using C/A remover/debonder and a
papertowel,remove any excessC/A glue that
may have accumulated on the wing or in the
aileronhinge area.
The hinge is constructed of a special
material that allows the C/A to wick or
penetrateanddistributethroughout the
hinge, securely bonding it to the wood
structureof the wingpanel and aileron.
Note:
The control surfaces, including the
ailerons, elevators, and rudder, are
prehinged with hinges installed, but the
hinges are not glued in place. It is
imperativethat you properly adhere the
hingesin place per the stepsthat follow
using a high-quality thin C/A glue.
Note:
Hinge.
T-pin.
T-pin.
C/Aglue.
C/Aglue.
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5
HINGING THE RUDDER.
Glue the rudder hinges in place using the
same tectniques used to hinge the ailerons.
Assemble and mounting the wheel pants as
shown in the following pictures.
WHEEL AND WHEEL PANTS.
C/Aglue.
C/Aglue.
C/Aglue.
C/Aglue.
X-RAY. Instruction Manual.
6
Using the hardware provided, mount the
main landing gear to the fuselage.
INSTALLING THE MAIN LANDING GEAR.
A drop of C/A glue on the wheel collar
screws will help keep them from coming lose
duringoperation.
Repeat the process for the other wheel.
INSTALLING THE SWITCH.
Installthe switch into theprecut hole inthe
side, in the fuselage.
INSTALLING ELECTRIC MOTOR.
Park 450 to Park 480
Blindnut.
Remove covering.
C/Aglue.
Mountingslot
landinggear.
Switch.
2 X 12mm.
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7
COWLING INSTALLATION.
!2) Slide the fiberglass cowl over the en-
gineandline up the backedgeof the cowlwith
themarks you made on thefuselage then trim
and cut.
The 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 propeller comes in
contact with it.
Motor.
Rotor shaft.
2x8mm.
Front view.
!3) While keeping the back edge of the
cowl flush with the marks, align the front of
thecowl withthe crankshaftofthe motor. The
front of the cowl should be positioned so the
crankshaft is in nearly the middle of the cowl
opening.Usethespinner backplate as a guide.
Hold the cowl firmly in place using pieces of
masking tape.
!4) Slide the cowl back over the motor.
1.2cm.
0.7cm.
4.3cm.
!1) Using a pen to mark the points follow-
ing the instruction below.
2x8mm.
X-RAY. Instruction Manual.
8
Secure the servos with the screws pro-
vided with your radio system.
! 4) Insert aileroncontrol horn tothe aileron.
Because the size of servos differ, you
mayneedtoadjustthesizeoftheprecutopen-
ingin themount. The notchin thesides ofthe
mount allow the servo lead to pass through.
!3) Turn the wing panel right side up. Using
amodelingknife,removethecoveringatservo
tray.
Wing bottom.
Remove
covering.
Lock tie.
!1) Install the rubber grommets and brass
eyelets onto the aileron servo.
!2) Install the metal connector onto servo
arm. Be sure to use the lock tie but it could
freerotation.
AILERON SERVOS - LINKAGES.
Aileron
control horn.
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9
Repeat the procedure for orther wing
haft.
!1) Locateandcutoutthecoveringfilm from
the servo holes in both sides of fuselage.
Repeat the procedure for rudder servo.
!2) Installthe rubber grommets and brass
collets onto the elevator servo. Test fit the
servo into the elevator servo mount.
!3)Secure the servos with the screws pro-
vided with your radio system.
Because the size of servos differ, you
mayneedtoadjustthesizeoftheprecut open-
ing in the mount. The notch in the sides of the
mount allow the servo lead to pass through.
HORIZONTALSTABILIZERINSTALLATION.
!1) Slidethehorizontal into placein the pre-
cut slot in the rear of the fuselage.
C/Aglue.
Rightside.
Remove
covering.
Rightside.
Elevator servo.
Left side.
Rudder servo.
!2) Use a pen and draw lines onto the
horizontal where it and the fuselage sides
meet. Do this on both the right and left sides
and top and bottom of the horizontal.
Pen.
Remove.
! 3) Removethehorizontal. Usingthelines
youjust drew as a guide,carefully remove the
covering from between them using a model-
ingknife.
FUSELAGE SERVO INSTALLATION.
X-RAY. Instruction Manual.
10
!1) Using a modeling knife, remove the
covering from over the precut hinge slot cut
intothelowerrearportionofthefuselage. This
slot accepts the lower rudder hinge.
!2) Slidethe vertical stabilizer into theslot
in the top of the fuselage. The rear edge of
thestabilizer shouldbeflushwiththerearedge
of the fuselage and the lower rudder hinge
should engage the precut hinge slot in the
Hingeslot.
lowerfuselage. The bottom edge of thestabi-
lizer should also be firmly pushed against the
top of the horizontal stabilizer.
! 5) Slide the horizontal stabilizer into place
in the precut slot in the rear of the fuselage.
The horizontal stabilizer should be pushed
firmly against the front of the slot.
! 6) Hingingtheelevatortohorizontal:repeat
the procedure as same as aileron hinges.
! 7) When you are sure that everything is
aligned correctly, apply C/Aglue to fix them.
C/Aglue.
VERTICAL STABILIZER INSTALLATION.
Hinge.
When cuttingthrough thecovering to re-
moveit, cut with only enough pressure toonly
cut through the covering itself. Cutting into
the balsa structure may weaken it.
Remove
covering.
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