Seagull Models Ultimate Manuale utente
Kit features.
• Ready-made—minimalassembly&finishingrequired.
• Ready-coveredcovering.
• Photo-illustratedstep-by-stepAssemblyManual.
MadeinVietnam.
Specifications
Wingspan---------------------------------------------43in---------------------------109cm.
Wingarea---------------------------------------589sq.in------------------------38sq.dm.
Weight------------------------------------------------6-7lbs-----------------------2.7-3.2kg.
Length-------------------------------------------------44.8in------------------------113.7cm.
Recommendedenginesize----------.46-.55cu.in---------------------------2-stroke.
.72-.82 cu.in -------------------------- 4-stroke.
RadioSystemrequired6channelwith 6 servos.
Flyingskilllevel-------------------Intermediate/advanced.
ASSEMBLY MANUAL
ULTIMATEMS:63
“Graphics and Specfications may change without notice”.
ULTIMATE. Instruction Manual.
2
INTRODUCTION.
Thank you for choosing the ULTIMATE ARTF by SEAGULL MODELS. The ULTIMATE was
designed with the intermediate/advanced sport flyer in mind. It is a semi scale airplane which is
easytoflyandquicktoassemble.Theairframeisconventionallybuiltusingbalsa,plywood tomake
itstrongerthantheaverageARTF,yetthedesignallowstheaeroplanetobekeptlight.Youwillfind
that most of the work has been done for you already.Flying the ULTIMATE 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 ULTIMATE. 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
proceduresdesignedtohelpthenewpilotonhiswaytosuccessfulR/Cflight.Theywillalsobeable
to advise on any insurance and safety regulations that may apply.
ADDITIONAL ITEMS REQUIRED.
.46-.55 2-stroke engine.
.72-.82 4-stroke engine.
Computer radio with six servos.
Glow plug to suit engine.
Propeller to suit engine.
Protective foam rubber for radio
system.
Siliconefuel line.
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.
PARTS LISTING.
FUSELAGE ASSEMBLY
(1) Fuselage.
(1) Canopy hatch.
WING ASSEMBLY
(2) Right wing half/ aileron.
(2) Left wing half/ aileron.
(2) Aluminium dihedral brace.
Tail section assembly
(1) Horizontal stabilizer/ elevator
halves.
(1) Rudder halves.
Some more parts.
HARDWAREPACK
COWLING
Landinggear.....
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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 ULTIMATE is made
from natural materials and minor ad-
justments 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 thesechemi-
calscome incontact withthe colours
onthecovering and the plasticparts.
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 placeper the steps that follow
using a high-quality thin C/A glue.
1) Carefully remove the aileron from one
of the wing panels. Note the position of the
hinges.
2)Removeeach hinge fromthewingpanel
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
ofhingeison either sideofthehingeline when
the aileron is mounted to the aileron.
HINGING THE AILERONS.
Note:
3) Slide the aileron on the wing panel 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.
Hinge.
T-pin.
4)Deflect the aileron and completely
saturate each hinge with thin C/A glue. The
aileronsfrontsurfaceshould lightly contactthe
wing during this procedure. Ideally, when the
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.
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.
Note:
T-pin.
C/Aglue.
ULTIMATE. Instruction Manual.
4
Work the aileron up and down several
times to “work in” the hinges and check
for proper movement.
Glue the elevator hinges in place using the
same tectniques used to hinge the ailerons.
HINGING THE ELEVATOR.
Note:
8)Afterbothailerons are securelyhinged,
firmly grasp the wing panel and aileron to
make sure the hinges are securely glued and
cannot be pulled out. Do this by carefully
applying medium pressure, trying to separate
the aileron from the wing panel. Use caution
not to crush the wing structure.
7) Repeat this process with the other wing
panel, securely hinging the aileron in place.
6) Using C/A remover/debonder and a
papertowel, remove anyexcess C/A gluethat
may have accumulated on the wing or in the
aileronhinge area.
HINGING THE RUDDER.
INSTALLING THE AILERON SERVOS
(LOWER WING).
Glue the rudder hinges in place using the
same tectniques used to hinge the ailerons.
Servotray.
Removecovering.
Markpoint.
5)Turn the wingpanel over anddeflect the
aileron in the opposite direction from the
opposite side. Apply thin C/A glue to each
hinge,makingsurethat the C/A penetrates into
both the aileron and wing panel.
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5
String.
Small weight.
Because the size of servos differ, you
mayneedtoadjustthe size of the precut open-
ing in the mount. The notch in the sides of
themountallowtheservoleadtopassthrough.
Install the rubber grommets and brass
collets onto the aileron servo. Test fit the
servo into the aileron servo mount.
Using a small weight (Weighted fuel pick-up
workswell) and thread, feedthe string through
the wing as indicated.
Removecovering.
Servos. Smallweight.
Thread.
C/Aglue.
Servotray.
Attach the string to the servo lead and
carefully thread it though the wing. Once you
havethreadthe leadthroughtthewing,remove
the string so it can use for the other servo
lead.Tapetheservoleadtothewingtoprevent
it from falling back into the wing.
Lower wing
bottom.
Thread.
Small weight.
Electric wire.
String.
Secure the servos with the screws pro-
vided with your radio system.
ULTIMATE. Instruction Manual.
6
1) Using a ruler & pen to draw a straight
line as below picture.
Repeat the procedure for orther wing
haft.
INSTALLING THE AILERON LINKAGE
(LOWER WING).
Lower wing panel
bottom.
Thread.
Electric wire.
Pull.
Plastic tape.
Aileronelectric.
2) Locate the nylon control horns,nylon
control horn backplates and two machine
screws.
3)Position theaileron horn on the bottom
side of aileron.
4) Using a 1.5mm drill bit and the control
horns as a guide, drill the mounting holes
through the aileron halves.
Pen.
ControlHorn.
MountingScrews. Mounting Plate.
Grind.
2x20mm.
Lower wing bottom.
Ruler.
Wing. Aileron.
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7
M2lock nut.
Markpoint.
Cut.
3x30mm.
Repeat the procedure for the other
aileron servo.
Installing the turnbuckle for aileron linkage
of lower wing as same as pictures below.
Lowerwing bottom.
INSTALLING THE TURNBUCKLE
(LOWER WING).
Lower wing bottom.
7 mm
Cut.
Lower wing bottom.
ULTIMATE. Instruction Manual.
8
PLASTIC STRAP INSTALLATION
LOWER WING.
Installing the plastic strap of lower wing for
wing strut as same as pictures below.
Slot.
Lower wing top.
B
A
Repeat the procedure for the other
wing haft.
Repeat the procedure as same as
lower wing. See pictures below.
PLASTIC STRAP INSTALLATION
UPPER WING.
Lower wing
bottom.
Repeat the procedure for the other
wing half.
ENGINE MOUNT.
See pictures below:
Mark and drill 4 holes for engine mount.
4x25mm.
Upper wing bottom.
Slot.
B
A
Grind.
Lower wing
bottom.
Upper wing bottom.
BA
Epoxy glue
(do not use C/A glue).
AB
B
A
Lower wing top. Epoxy glue
(do not use C/A glue).
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9
INSTALLING THE BATTERY
1) Using a modeling knife, carefully cut
off the rear portion of one of the 3 nylon tubes
leaving 1/2” protruding from the rear of the
stopper. This will be the fuel pick up tube.
INSTALLING THE STOPPERASSEMBLY.
FUEL TANK.
2) Usinga modeling knife, cut onelength
ofsiliconfuel line. Connectoneend of theline
tothe weighted fuel pick up andthe otherend
to the nylon pick up tube.
3) Carefully bend the second nylon tube
up at a 45º angle. This tube is the vent tube.
Silicon tubing not inclued.
Battery.
Thread locker.
4) 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 falls into the tank.
5) With the stopper assembly in place,
the weighted pick-up should rest away from
therear of the tank and move freely insidethe
tank. The top of the vent tube should rest just
below the top of the tank. It should not touch
the top of the tank.
Important: When the stopper assembly is in-
stalled 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.
Carefully use a lighter or heat gun to
permenently set the angle of the vent tube.
Vent tube. Fuel pick up tube.
Fuel fill tube.
ULTIMATE. Instruction Manual.
10
Attach the silicone fuel and pressure pipes
tothetank. The lowerpipeis the ‘feed’andthe
uppertwo the ‘pressureand fill’.The fill pipeis
the next pipe.
Plastic tape.
Rubber band.
Fueltank.
2) Follow diagram below for wheel pant
installation:
WheelCollar.
Axle.
Wheel. Nut.
Wheel Pant.
LandingGear.
Nut.
(2)Washer.
Fuel pick-up tube.
Fuel fill tube.
Vent tube.
6) When satisfied with the alignment of
the stopper assembly tighten the 3 x 20mm
machine screw until the rubber stopper ex-
pands and seals the tank opening. Do not
overtighten the assembly as this could cause
the tank to split.
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
thetank isinstalled inside the fuselage, itmay
be difficult to determine which is which.
1)Assembleand mounting thewheelpants
as shown in the following pictures.
WHEEL AND WHEEL PANTS.
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.
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1
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