Seagull Models Funfly 3D User manual

“Graphics and specifications may change without notice”.

MS:40

ASSEMBLY MANUAL

Specifications:

Wingspan----------------------------50.4in(128cm).

Wingarea-----------------840.1sq.in(54.2sqdm).

Weight-----------------------5.1-5.7lbs(2.3-2.6kg).

Length---------------------------------51.6in(131cm).

Engine --------------- 0.46-0.55cu.in----2-stroke.

0.72cu.in ---4-stroke.

Radio--------------------4channelswith6 servos.

Electricconversion:optional

SEAGULL FUNFLY 3D. Instruction Manual.

INTRODUCTION.

Thankyouforchoosingthe SEAGULLFUNFLY3DARTFbySEAGULLMODELSCOMPANYLTD.

The SEAGULL FUNFLY 3D was designed with the intermediate/advanced sport 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

aeroplanetobekeptlight.Youwillfindthatmostoftheworkhasbeendoneforyoualready.Themotor

mounthasbeenfittedandthehingesarepre-installed.Flyingthe SEAGULLFUNFLY3D issimply

ajoy.

This instruction manual is designed to help you build a great flying aeroplane. Please read this

manual thoroughly before starting assembly of your SEAGULL FUNFLY 3D . Use the parts listing

below to identify all parts.

WARNING.

Please be aware that this aeroplane is not a toy and if it is assembled or used incorrectly it

will cause 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

proceduresdesignedtohelpthe newpilotonhisway tosuccessfulR/Cflight.Theywillalsobe able

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

KIT CONTENTS

11 12 14 13

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ADDITIONAL ITEMS REQUIRED.

0.46-0.55 2-stroke.

0.72 4-stroke.

Computer radio with 6 servos.

Glow plug to suit engine.

Propeller to suit engine.

Protective foam rubber for radio

system.

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.

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)Removeeach hinge fromthewing panel

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

each hinge. Slide each hinge into the aileron

untiltheT-pin is snug againsttheaileron.This

will help ensure an equal amount of hinge is

oneithersideofthe hingelinewhen theaileron

is mounted to the wing panel.

HINGING THE AILERONS .

Note:

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

Hinge.

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

shouldbemaintainedbetween the wing panel

andaileron.

T-pin.

1 Fuselage

2 Left wing panel

3 Right wing panel

4 Tail set (2)

5 Pilot

6 Aluminum wing tube

7 Fiberglass cowl

8 Canopy

9 Fuel tank

10 Landing gear

11 Fiberglass whl pants

12 Engine mount

13 wheel(2)

14 Hardware bag included

15 EP conversion pack

KIT CONTENS.TS

SEAGULL FUNFLY 3D. Instruction Manual.

INSTALL THE AILERONS CONTROL

HORN.

1) Locate the hardware necessary to install

the control horns for the ailerons.

8)After both ailerons 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.

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 excess C/Agluethat

may have accumulated on the wing or in the

aileronhingearea.

5)Turnthewingpanel over anddeflectthe

aileron in the opposite direction from the

opposite side. Apply thin C/A glue to each

hinge,makingsurethattheC/Apenetrates into

both the aileron and wing panel.

Workthe aileronupanddownseveral

times to “work in” the hinges and

Note:

4) Deflect the aileron and completely

saturate each hinge with thin C/A glue. The

aileronsfrontsurface shouldlightlycontactthe

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 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.

Note:

Hinge.

HINGING THE RUDDER.

Glue the rudder hinges in place using the

same techniques used to hinge the ailerons.

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2) Position the control horn on the bottom of

the aileron. You will see pre-drill hole 3mm for

the horn mounting screw on the aileron.

2 sets.

3x35mm.

Aileroncontrolhorn.

3) Place epoxy into hole. This will harden the

threads and prevent the crews from pulling

loose.

4) Thread a control horn end with aluminum

washer, lock nut until the top edge of the end is

18mm from the vase of the horn as shown.

3mm.

ALUMINUMWASHER.

CONTROLHORN

M3 SCREW.

18mm.

Epoxy.

Wing

Epoxy.

M3LOCKNUT.

3mm.

Install the elevator control horn using the

same method as same as the aileron control

horns.

INSTALL ELEVATOR CONTROL HORN.

2 sets.

3x35mm.

AluminumWasher.

CONTROLHORNM3

M3LOCKNUT.

Epoxy.

AluminumWasher.

Horizontal

Stabilizer. Elevator.

SEAGULL FUNFLY 3D. Instruction Manual.

Thread locker glue.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install the

engine mount included with your model.

2) Usefour4x30mm headboltsandfour 4mm

washers to attach the engine mount rails to

thefirewall.Tightenthescrews.Makesure to

use threadlock on the screws to help prevent

them from vibrating loose.

4x30mm.

INSTALL RUDDER CONTROL HORN.

Repeat steps to install the rudder control

horn as same as steps done for ailerons.

Elevator control horn.

Rudder.

Aluminum Washer.

CONTROLHORN

M3 SCREW.

M3LOCKNUT.

Epoxy.

Aluminum Washer.

Fuselage.

18mm.

Epoxy.

Rudder.

Rudder control horn.

18mm.

Epoxy.

Horizontal

Stabilizer. Elevator.

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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. Connect one endoftheline

totheweightedfuelpick up and the other end

to the nylon pick up 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.

Venttube. Fuel pick up tube.

Fuel fill tube.

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.

FUEL TANK INSTALLATION.

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

thetankisinstalledinsidethe fuselage, it may

be difficult to determine which is which.

Tie wrap.

Balsa

SEAGULL FUNFLY 3D. Instruction Manual.

 7) Slide the fuel tank into the fuselage. Guide

the lines from the tank through the hole in the

firewall.

Fueltank.

Epoxy.

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.

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.

WheelCollar.

Axle.

Wheel. Nut.

Wheel Pant.

LandingGear.

Nut.

(2)Washer.

Lite-Plywood

block.

1) Assemble and mounting the landing

gear wheels to the wheel pants as shown in

the following pictures.

2) Follow diagram below for wheel pant

installation:

WHEEL AND WHEEL PANTS

INSTALLATION.

7mm

14mm

wheel collar.

wheel.

Axle.

Washer. M3. M3.

Balsawoodinclude.

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C/Aglue.

LandingGear. wheel Pant.

wheel Pant.

wheel.

M3.

wheel collar.

nut. Axle.

Washer.

3) 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.

Lockerglue.

1) The blind nuts for securing the landing

geararealreadymounted inside thefuselage.

2) Usingthehardwareprovided,mountthe

main landing gear to the fuselage.

INSTALLING THEMAINLANDING GEAR.

M4 x 20mm.

SEAGULL FUNFLY 3D. Instruction Manual.

THROTTLE SERVO ARM INSTALLATION.

Installadjustableservoconnectorinthe servo

arm as same as picture below:

Elevator servo.

Elevator servo arm. Rudder servo arm.

Elevator servo.

Elevator servo. Rudder servo.

1) Installtherubbergrommetsandbrass

colletsonto thethrottleservo. Testfittheservo

into the aileron servo mount.

 2) Secure the servos with the screws pro-

vided with your radio system.

Throttle servo arm.

Throttle servo.

INSTALLING THE FUSELAGE SERVOS.

Because the size of servos differ, you

mayneedto adjustthesize oftheprecut open-

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

mount allow the servo lead to pass through.

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