Seagull Models Super chipmunk Size 55 User manual

“Graphics and specifications may change without notice”.

MS:120

ASSEMBLY MANUAL

Specifications:

Wingspan------------------------------63in(160cm).

Wingarea-----------------643.3sq.in(41.5sqdm).

Weight------------------------7.9lbs(3.6kg).

Length------------------------------52.7in(133.8cm).

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

0.72cu.in ---- 4-stroke.

Radio-------------------5channelswith 7servos.

Electricconversion:optional

Flyingskilllevelintermediate/advanced.

SIZE 55

SUPER CHIPMUNK SIZE 55.Instruction Manual.

INTRODUCTION.

ThankyouforchoosingtheSUPERCHIPMUNKSIZE55ARTFbySEAGULLMODELSCOMPANY

LTD. The SUPER CHIPMUNK SIZE 55 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

conventionallybuiltusingbalsa,plywoodtomakeitstrongerthantheaverageARTF,yetthedesign

allows the aeroplane to be 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 SUPER

CHIPMUNK SIZE 55 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 SUPER CHIPMUNK SIZE 55 . 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

proceduresdesignedtohelpthenewpilotonhiswaytosuccessfulR/Cflight.Theywillalsobeable

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

KIT CONTENTS

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ADDITIONAL ITEMS REQUIRED.

0.55 - 0.72 2-4--stroke.

Computer radio with 7 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

1 Fuselage

2 Wing Set

3 Tail Set

4 Canopy

5 Cowling

6 Wing Tube

7 Pilot

8 Fiberglass Wheel Pants

9 Landing Gear

10 Tail Wheel

11 Hardware Set

HINGING THE FLAP.

M2x10mm.

Drill 1mm.

M2x10mm.

SUPER CHIPMUNK SIZE 55.Instruction Manual.

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.

HINGING THE AILERONS .

Note:

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

2)Removeeach hinge fromthe wingpanel

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

each hinge. Slide each hinge into the aileron

untiltheT-pin is snugagainst the aileron.This

will help ensure an equal amount of hinge is

oneithersideofthehingelinewhentheaileron

is mounted to the wing panel.

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.A gap of 1/64” or less

shouldbe maintained betweenthe wing panel

andaileron.

4) Deflect the aileron and completely

saturate each hinge with thin C/A glue. The

aileronsfrontsurfaceshould lightly contactthe

wing during this procedure. Ideally, when

thehinges 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.

Hinge.

Thehingeisconstructedofaspecial

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:

Epoxy.

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8)Afterboth ailerons aresecurely 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, remove anyexcessC/A glue that

may have accumulated on the wing or in the

aileronhinge area.

5)Turnthe wing paneloverand deflectthe

aileron in the opposite direction from the

opposite side. Apply thin C/A glue to each

hinge,making sure that the C/Apenetratesinto

both the aileron and wing panel.

Workthe aileron up and downseveral

times to “work in” the hinges and

check for proper movement.

Note: Aileroncontrol horn.

INSTALL THE AILERONS CONTROL

HORN.

1) Locate the hardware necessary to install

the control horns for the ailerons.

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

Epoxy.

SUPER CHIPMUNK SIZE 55.Instruction Manual.

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 toinstall the rudder control horn

as same as steps done for ailerons.

Fiberglass control horn.

Epoxy.

INSTALL THE FLAP 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.

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Ruddercontrolhorn.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install the

engine mount included with your model. .

2) Usefour4x30mm head boltsand four4mm

washers to attach the engine mount rails to

thefirewall.Tighten thescrews .Make sureto

use threadlock on the screws to help prevent

them from vibrating loose.

4x30mm.

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) Usinga modeling knife,cut onelength

ofsilicon fuel line. Connectoneend of theline

tothe weighted fuelpick up andtheother 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.

SUPER CHIPMUNK SIZE 55.Instruction Manual.

 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.

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.

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.

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

thetank isinstalledinside thefuselage, 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.

C/Aglue. A.

C/Aglue.

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AdjustableServo

connector.

Servoarm.

Loctite secure.

1PCS.

INSTALLING THE FUSELAGE SERVOS.

Throttle servo.

Elevator servo.

Rudder servo.

1) Installthe rubbergrommetsand brass

colletsonto the throttleservo. Testfittheservo

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

mayneedtoadjustthesize of the precutopen-

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

mount allow the servo lead to pass through.

THROTTLE SERVO ARM INSTALLATION.

Installadjustableservoconnectorinthe servo

arm as same as picture below:

Throttleservoarm.

Elevatorservoarm.

Rudderservoarm.

3/32” Hole.

INSTALLING THE SWITCH.

Installthe switch intotheprecut hole inthe

side, in the fuselage.

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

small indentation in the mount for the engine

mounting screw.

2mm.

Switch.

Trimand cut.

110mm.

MOUNTING THE ENGINE.

 1) Position the engine withthedrivewasher

(110mm) forward of the firewall as shown.

SUPER CHIPMUNK SIZE 55.Instruction Manual.

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.

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.

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).

2mm.

Machinescrew M3x25mm.

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.

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.

Drill 4mm.

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