Seagull Models SEA EAGLE User manual

“Graphics and specifications may change without notice”.

MS:190

ASSEMBLY MANUAL

Specifications:

Wingspan-----------------------------49.2.in(125cm).

Wingarea-----------------415.4sq.in(26.8sqdm).

Weight------------------------5.1-5.5lbs(2.3-2.5kg).

Length------------------------------50.7in(128.7cm).

Engine ---------------------------0.46cu.in-2-stroke.

0.62cu.in -4-stroke .

Radio-------------------4channelswith5servos.

Electricconversion:optional

SEA EAGLE.Instruction Manual.

INTRODUCTION.

ThankyouforchoosingtheSEAEAGLEARTFbySEAGULLMODELSCOMPANYLTD.TheSEA

EAGLE wasdesignedwiththeintermediate/advancedsportflyerinmind.Itisa semiscaleairplane

whichiseasytoflyandquicktoassemble.Theairframeisconventionallybuiltusingbalsa,plywood

tomakeitstrongerthantheaverageARTF,yetthedesignallowstheaeroplanetobekeptlight.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 SEA EAGLE 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 SEA EAGLE . 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 helpthenewpilot onhiswayto successfulR/Cflight.They willalsobeable

to advise on any insurance and safety regulations that may apply.

KIT CONTENTS

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ADDITIONAL ITEMS REQUIRED.

Glowengine0.46-2-stroke.

Glowengine0.62-4-stroke.

Computer radio with 5 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.

KIT CONTENTS.TS

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.

2)Removeeachhingefromthe wing panel

and aileron and place a T-pin in the center of

each hinge. Slide each hinge into the aileron

untiltheT-pinissnugagainsttheaileron.This

will help ensure an equal amount of hinge is

oneitherside ofthehingelinewhen theaileron

is mounted to the wing panel.

Note:

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

HINGING THEAILERON .

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

shouldbemaintainedbetweenthewingpanel

andaileron.

Hinge.

T-pin.

1 Fuselage

2 Wing Set

3 Tail Set

4 Cowling

5 Canopy

6 Main Landing Gear

7 Wing Tube

8 Fiberglass Wheel Pants

9 Tailwheel

10 Wheels

11 Pilot

12 Hardware Set

SEA EAGLE.Instruction Manual.

8)Afterbothailerons aresecurelyhinged,

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.

Worktheaileron upand down several

times to “work in” the hinges and

check for proper movement.

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.

Thehingeis constructed ofaspecial

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.

Note:

Hinge.

C/Aglue.

6) Using C/A remover/debonder and a

papertowel,removeanyexcessC/Agluethat

may have accumulated on the wing or in the

aileronhingearea.

5)Turnthe wing panel over anddeflectthe

aileron in the opposite direction from the

opposite side. Apply thin C/A glue to each

hinge,makingsurethattheC/A penetratesinto

both the aileron and wing panel.

7) Repeat this process with the other wing

panel, securely hinging the aileron in place.

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Aileroncontrolhorn.

INSTALL THE AILERONS CONTROL

HORN.

1) Locate the hardware necessary to install

the control horns for the ailerons.

HINGING THE RUDDER.

Glue the rudder hinges in place using the

same techniques used to hinge the ailerons.

Hinge.

HINGING THE ELEVATOR.

Glue the rudder hinges in place using the

same techniques used to hinge the ailerons.

Fiberglass control horn.

2)Position the Control horn on the Aileron

and use 30-minute Epoxy

Elevator control horn.

Install the elevator control horn using the

same method as same as the aileron control

horns.

INSTALL ELEVATOR CONTROL HORN.

Fiberglass control horn.

Position the Control horn on the Aileron and

use 30-minute Epoxy

INSTALL RUDDER CONTROL HORN.

Repeatsteps to install the rudder controlhorn

as same as steps done for ailerons.

Fiberglass control horn.

Ruddercontrolhorn.

Epoxy.

SEA EAGLE.Instruction Manual.

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.

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) Usingamodelingknife, cut one length

ofsiliconfuelline. Connectoneendoftheline

totheweightedfuel pick up and the other end

to the nylon pick up tube.

Venttube. Fuel pick up tube.

Fuel fill tube.

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.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install the

engine mount included with your model. .

2) Usefour4x30mmheadbolts and four 4mm

washers to attach the engine mount rails to

thefirewall.Tighten the screws . Make sure to

use threadlock on the screws to help prevent

them from vibrating loose.

4x30mm.

FUEL TANK INSTALLATION.

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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.

 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.

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.

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.

INSTALLING THE FUSELAGE SERVOS.

Throttle servo.

Elevator servo.

Rudder servo.

1) Installtherubber grommets and brass

colletsonto the throttleservo. Testfit the servo

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

mayneedtoadjust thesizeoftheprecut open-

ing in the mount. The notch in the sides of the

mount allow the servo lead to pass through.

AdjustableServo

connector.

Servoarm.

Loctite secure.

1PCS.

Throttleservoarm.Elevatorservoarm.

Rudderservoarm.

THROTTLE SERVO ARM INSTALLATION.

Install adjustableservoconnectorinthe servo

arm as same as picture below:

SEA EAGLE.Instruction Manual.

2) Use a pin drill and 2mm drill bit to drill a

small indentation in the mount for the engine

mounting screw.

3) Use a drill to drill the four holes in the engine

mount rails.

4) On the fire wall has the location for the

throttle pusshrod tube (pre-drill).

4.5mm.

2mm.

3/32” Hole.

INSTALLING THE SWITCH.

Installtheswitchintotheprecutholeinthe

side, in the fuselage.

Switch.

Trimand cut.

110mm.

MOUNTING THE ENGINE.

 1) Positiontheenginewith thedrivewasher

(110mm) forward of the firewall as shown.

5) Slide the pushrod tube in the firewall and

guide it through the fuel tank mount. Use

medium C/A to glue the tube to the firewall and

the fuel tank mount.

6) Connect the Z-bend in the 450mm throttle

pushrod to the outer hole of the carburetor arm.

Pushrod tube hole.

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9) Move the throttle stick to the closed position

and move the carburetor to closed. Use a 2.5mm

hex wrench to tighten the screw that secures

the throttle pushrod wire. Make sure to use

threadlock on the screw so it does not vibrate

loose.

1) Locate the items neccessary to install

thewheelandwheelpantstothe landing gear

as shown.

WHEEL AND WHEEL PANTS

INSTALLATION.

wheel collar.

wheel.

Axle.

Washer. M3.

4) Slidethecollartotheaxleandsetscrew

the collars to secure the collar to the axle and

thensliderthewheelontheaxlewithadropof

oilontheaxlesothewheelwillspinfreelywhen

installed. Prepare a second collar and tighten

the setscrew using hex wrench to secure the

collar to the axle.

3) You have to trim each axle using a tool

cutting and cut-off wheel.

Caution when cutting the axles and

wear protective goggles.

2) Follow diagram below for wheel pant

installation:Use a drill and 8mm drill bit to drill

a hole in the wheel pants.

8) Reinstall the servo horn by sliding the

connector over the pushrod wire. Center the

throttle stick and trim and install the servo horn

perpendicular to the servo center line.

Machinescrew M3x25mm.

Pushrodwire.

7) Slide the throttle pushrod wire into the tube.

Position the engine between the mounts. Use

four M3x25mm machine screws to secure the

engine to the mount as shown.

SEA EAGLE.Instruction Manual.

C/Aglue.

LandingGear. wheel Pant.

Lockerglue.

 7) Tighten the setcrews using a hex

wrench to secure the collars on the axle over

the flat spot to retain the wheel as shown.

Repeat steps as above to attach remain-

ing wheel pants to the landing gear.

INSTALLING THE MAIN LANDING GEAR

TO FUSELAGE.

 8) The blind nuts for securing the landing

geararealreadymountedinsidethefuselage.

 9) Using the hardware provided, mount

the main landing gear to the fuselage.

 10) Place the fuselage inverted on the

workbenchinasuitablestand.Setthelanding

gear in place and use a screwdrive to secure

the landing gear to the fuselage using bolts

M4x20mmandwashers.Makesure to use the

threadlock on the bolts so they don’t vibrate

loose.

wheel Pant.

wheel.

M3.

wheel collar.

nut.

Axle.

Washer.

5) Place the wheel assembly in the wheel

pants. The threaded portion of the axle will fit

the notch of the wheel pant as shown.

6) Slide the threaded end of the axle

through the hole in the bottom of the landing

gear leg. Use a washer and locknut to tighten

the axle to the landing gear. Make sure to use

threadlock on the nut so it won’t vibrate loose

in flight as shown.

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