Seagull Models AT-6 TEXAN User manual
MadeinVietnam.
Specifications:
Wingspan----------------------------------------------------82.8in-------------------------------------210.3cm.
Wingarea-----------------------------------------------------1002.9sq.in-----------------------------64.7sq.dm.
Approximateflyingweight------------------------------11-12.8lbs----------------------------5kg-5.8kg.
Length--------------------------------------------------------53.9in--------------------------------------136.8cm.
Recommendedenginesize----------------------------1.2cu.in-----------------------------------2-stroke.
RecommendedR/C----------------------------------4channelswith7digitalservos.
Flyingskilllevel-------------------------------------------Advanced/Intermediate.
Kit features.
• Ready-made—minimalassembly&finishingrequired.
• Ready-covered—includingdecals,trim&covering.
• Factory-installedpushrod.
• Photo-illustrated step-by-step AssemblyManual.
MS:76
“Graphics and specfications may change without notice”.
ASSEMBLY MANUAL
AT-6 TEXAN _ CODE SEA 76.Instruction Manual.
2
INTRODUCTION.
Thank you for choosing the AT-6 TEXAN ARTF by SEAGULL MODELS. The AT-6 TEXAN was
designed with the intermediate/advanced flyer in mind. It is a semi scale 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 , yet the design allows the aeroplane to be kept light. You will find
thatmostoftheworkhasbeendoneforyoualready.Themotormounthasbeenfittedandthehinges
are pre-installed . Flying the AT-6 TEXAN 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 AT-6 TEXAN . 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.
IfyouareinexperiencedwithbasicR/CflightwestronglyrecommendyoucontactyourR/Csupplier
and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training
proceduresdesignedto helpthenew pilotonhiswayto successfulR/Cflight. Theywillalsobeable
to advise on any insurance and safety regulations that may apply.
ADDITIONAL ITEMS REQUIRED.
1.20 2-stroke engine.
Computer radio with 7 digital servos.
Glow plug to suit engine.
Propeller to suit engine.
Protective foam rubber for radio
system.
Siliconefuelline.
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.
WING ASSEMBLY
(1) Right wing half/ aileron.
(1) Left wing half/ aileron.
(1)Midle wing.
Tail section assembly
(1) Horizontal stabilizer/ elevator
halves.
(1) Rudder halves.
Some more parts.
HARDWAREPACK
COWLING
Landing gear.....
3
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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-
semblyasthe AT-6TEXANismade
from natural materials and minor ad-
justmentsmayhavetobemade.The
paintandplastic parts usedin this kit
are fuel proof. However, they are not
tolerant of many harsh chemicals in-
cluding the following: paint thinner,
cyano-acrylate glue accelerator, cy-
anoacrylate glue de-bonder and
acetone. Do not let these chemicals
come in contact with the colours on
the covering and the plastic parts.
The control surfaces, including the
ailerons, elevators, and rudder, are
prehinged with hinges installed, but
the hinges are not glued in place. It
is imperative that you properly
adhere the hinges in place per 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)Remove each hingefrom thewing panel
and aileron and place a T-pin in the center of
each hinge. Slide each hinge into the aileron
untiltheT-pinis snugagainstthe aileron.This
will help ensure an equal amount of hinge is
oneithersideof thehingeline whentheaileron
is mounted to the wing panel.
HINGING THE AILERONS.
Note:
Hinge.
T-pin.
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.Agap of 1/64” or less
shouldbe maintainedbetweenthe wingpanel
andaileron.
4)Deflect the aileron and completely
saturate each hinge with thin C/A glue. The
aileronsfront surfaceshouldlightlycontactthe
wing during this procedure. Ideally, when the
Thehinge is constructedof a special
material that allows the C/A to wick
or penetrate and distribute
throughout the hinge, securely
bonding it to the wood structure of
the wing panel 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.
Hinge.
AT-6 TEXAN _ CODE SEA 76.Instruction Manual.
4
HINGING THE ELEVATORS.
Glue the elevator hinges in place using the
same tectniques used to hinge the ailerons.
HINGING THE RUDDER.
Glue the rudder hinges in place using the
same tectniques used to hinge the ailerons.
8)After both ailerons are securely hinged,
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, removeany excessC/Agluethat
may have accumulated on the wing or in the
aileronhingearea.
5) Turn the wing panel over and deflect the
aileron in the opposite direction from the
opposite side. Apply thin C/A glue to each
hinge,makingsure thattheC/Apenetrates into
both the aileron and wing panel.
Aileron control horn: See pictures below.
AILERON CONTROLHORN
Hinge.
C/Aglue.
Worktheaileron up anddown several
times to “work in” the hinges and
check for proper movement.
Note:
2 sets.
3x45mm.
5
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Install the elevator control horn using the
same method as with the aileron control
horns.
ELEVATOR CONTROL HORN.
M3LOCKNUT.
ALUMINUMWASHER.
ALUMINUMWASHER.
CONTRONLHORN
M3 SCREW.
16mm.
Epoxy.
Wing
Wing
Rudder control horn:
Usingthesame tectniquesusedaileroncontrol
horn. See picture below.
16mm.
Epoxy.
Horizontal
Stabilizer.
AluminumWasher.
CONTRONL HORN M3
M3LOCKNUT.
Epoxy.
AluminumWasher.
Epoxy.
CONTRONLHORN
M3 SCREW.
ALUMINUMWASHER.
ALUMINUMWASHER.
M3LOCKNUT.
EPOXY.
RUDDER CONTROL HORN.
Rudder control horn.
Rudder.
Fuselage.
2 sets.
3x50mm.
1 sets.
3x50mm.
Elevator.
Horizontal
Stabillizer.
Elevator.
AT-6 TEXAN _ CODE SEA 76.Instruction Manual.
6
Rudder control horn.
Remove covering.
M3 x 15mm.
1.5mm.
M3 x 10mm. M3 x 15mm.
Wheelcollar.
Wheel.
Landinggear.
Axle.
20mm.
Epoxy.
Fuselage.Rudder.
66mm.
30mm.
M3 x 4mm.
INSTALLING LANDING GEAR.
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M3 x 10mm.
Remove covering.
M3 x 10mm. M3 x 15mm.
Airtube.
Airtube.
2mm.
Wheel.
WheelFairing.
M3x10mm.
INSTALLING THEAIR RETRACT LANDING
GEAR (PARTS NOT INCLUDED).
AT-6 TEXAN _ CODE SEA 76.Instruction Manual.
8
WING ASSEMBLY.
Epoxy.
This side
only.
M3x15mm.
4.5-5mm Diameter Screw.
4.5-5mm Diameter Screw.
Wheelcollar.
Wheel.
Landinggear.
Axle.
WheelFairing.
Wheel.
M4 x 12mm.
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Small weight.
Servos. Thread.
INSTALLING THE AILERON SERVOS.
M3 x 60mm.
M3 x 60mm. This panel
Remove able.
This panel
Remove able.
Aileron
Servo. Aileron
Servo.
Servo electric wire.
String.
Small weight.
Wing rib.
Wing.
Small weight.
String.
Attach the string to the servo lead and carefully thread it through the wing.
Small weight.
String.
AT-6 TEXAN _ CODE SEA 76.Instruction Manual.
10
M2locknut.
Wing.
Aileron.
2) Usinga modeling knife,cut onelength
ofsilicon fuelline. Connect oneend ofthe line
tothe weighted fuelpick up andthe other end
to the nylon pick up tube.(The silicon tube is
not included).
Repeat the procedure for the other wing
half.
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 STOPPER ASSEMBLY.
3) Carefully bend the second nylon tube up
at a 45º angle. This tube is the vent tube.
Aileron.
Wing.
Wing.Aileron.
M2 lock nut.
M2clevis.
110 mm.
75mm.
Aileron.
Wing.
INSTALLATION THE PUSHROD .
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2
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