Seagull Models ERCOUPE User manual
Specifications:
Wingspan------------------------------98.4in(250cm).
Wingarea----------------1576.4sq.in(101.7sqdm).
Weight----------------------13.2-15.4lbs(6.0-7.0kg).
Length------------------------------67.3in(171.0cm).
Engine -----------------------------33-40cc.
Radio-------------------6channelswith7 servos.
“Graphics and specifications may change without notice”.
MS:176
ASSEMBLY MANUAL
ERCOUPE Instruction Manual.
2
5
INTRODUCTION.
Thank you for choosing the ERCOUPE ARTF by SEAGULL MODELS COMPANY LTD. The
ERCOUPE was designed with the intermediate/advanced sport flyer in mind. It is a semi scale
airplane whichiseasytoflyandquicktoassemble.Theairframeisconventionallybuiltusingbalsa,
plywoodto makeitstrongerthan theaverageARTF, yetthedesignallows theaeroplanetobe kept
light. You will find that most of the work has been done for you already.The motor mount has been
fitted and the hinges are pre-installed . Flying the ERCOUPE 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 ERCOUPE. 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
proceduresdesigned tohelpthenew pilotonhis waytosuccessfulR/C flight.Theywillalso beable
to advise on any insurance and safety regulations that may apply.
KIT CONTENTS
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1
2
2
4
3
8
6
7
9
9
10
11
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ADDITIONAL ITEMS REQUIRED..
Engine 33cc-40cc.
Computer radio with 7servos.
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.
KIT CONTENTS.TS
1 Fuselage
2 Wing Set
3 Tail Set
4 Cowling
5 Main Landing Gear
6 Wing Tube
7 Hardware Set
8 Fiberglass Wheel Pants
9 Canopy
10 Pilot
11 Fuel Tank
Aileroncontrolhorn.
INSTALL THE AILERONS CONTROL
HORN.
1) Locate the hardware necessary to install
the control horns for the ailerons.
Fiberglass control horn.
2)Position the Control horn on the Aileron
and use 30-minute Epoxy
Epoxy.
Install the elevator control horn using the
same method as same as the aileron control
horns.
INSTALL ELEVATOR CONTROL HORN.
Fiberglass control horn.
ERCOUPE Instruction Manual.
4
AdjustableServo
connector.
Servoarm.
Loctite secure.
1PCS.
INSTALLING THE FUSELAGE SERVOS.
Throttle servo.
1) Installtherubber grommets and brass
colletsonto the throttle servo. Testfit theservo
into the aileron servo mount.
2) Secure the servos with the screws pro-
vided with your radio system.
Because the size of servos differ, you
mayneed to adjustthesizeofthe precut open-
ing in the mount. The notch in the sides of the
mount allow the servo lead to pass through.
THROTTLE SERVO ARM INSTALLATION.
Installadjustableservoconnectorin the servo
arm as same as picture below:
Ruddercontrol horn.
Epoxy.
Elevator control horn.
Position the Control horn on the Aileron and
use 30-minute Epoxy
INSTALL RUDDER CONTROL HORN.
Repeatsteps to install the ruddercontrol horn
as same as steps done for ailerons.
Fiberglass control horn.
Epoxy.
Nose Retractable servo.
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Throttleservoarm.
3/32” Hole.
INSTALLING THE SWITCH.
Installtheswitchintotheprecutholeinthe
side, in the fuselage.
Trimand cut.
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.
2) Usingamodeling knife, cut one length
ofsiliconfuelline. Connectoneendoftheline
totheweighted fuel pick up and the other end
to the nylon pick up tube.
Nose Retractable servo arm.
Venttube. Fuel pick up tube.
Fuel fill tube.
Switch
ERCOUPE Instruction Manual.
6
5) With the stopper assembly in place,
the weighted pick-up should rest away from
therear of the tank and move freely inside the
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.
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.
3) Carefully bend the second nylon tube
up at a 45º angle. This tube is the vent tube.
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.
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
thetankis installed inside the fuselage, it may
be difficult to determine which is which.
FUEL TANK INSTALLATION.
7) Slide the fuel tank into the fuselage. Guide
the lines from the tank through the hole in the
firewall.
Fueltank.
8) Use plywood template to hold in place
the fuel tank with C/A glue to secure the fuel
tank inside the fuselage.
C/Aglue. Blow through one of the lines to en-
sure the fuel lines have not become kinked
inside the fuel tank compartment. Air
should flow through easily.
Venttube.
Fuel pick up tube.
Fuel fill tube.
9) Connect the lines from the tank to the engine
and muffler. The vent line will connect to the
muffler and the line from the clunk to the
carburetor.
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MOUNTING THE ENGINE.
5 x 80 mm
5x80mm.
Screw.
150mm
5.2mm
ERCOUPE Instruction Manual.
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NOSE LANDING GEAR
INSTALLTION.
1)Locatetheitems necessary to attach the
nose landing gear that are included with your
model.
2)Installnoselandinggear andwheel pant.
Thread locker glue.
Screw.
M3x25mm.
Drillhole.
Screw.
Screw.
5.2mm
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3)Install nose landing gear at the top
Fuselage.
Axle.
wheel collar
wheel
Screw.
3)Install nose landing gear at the top
Fuselage.
ERCOUPE Instruction Manual.
10
Becauseofthesizeofthecowl,itmaybe nec-
essarytouse a needle valve extension for the
highspeedneedlevalve. Makethisoutof suf-
ficient length 1.5mm wire and install it into the
end of the needle valve. Secure the wire in
placebytightening the set screw in the side of
the needle valve.
Trim and cut.
COWLING.
1)Slidethefiberglasscowl over the engine
and line up the back edge of the cowl with the
marksyoumade on the fuselage then trimand
cut as shown.
1
2
Crimp.
Cableend. M3
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