Seagull Models MXS-R User manual

MS:128

“Graphics and specifications may change without notice”.

ASSEMBLY MANUAL

Specifications:

Wingspan----------------------------65.4in(166cm).

Wingarea-----------------767.3sq.in(49.5sqdm).

Weight----------------------9.3-10.6lbs(4.2-4.8kg).

Length------------------------------55.8in(141.8cm).

Engine ------------------0.91-1.2cu.in----2-stroke.

1.00-1.25cu.in ----4-stroke.

Electricconversion: optional

Radio-----------6 channelswith5digital servos.

SIZE: 91-120

MXS-R.Instruction Manual.

INTRODUCTION.

ThankyouforchoosingtheMXS-RARTFbySEAGULLMODELS.The MXS-R wasdesignedwith

the intermediate/advanced sport flyer in mind. It is a semi scale airplane which is easy to fly and

quicktoassemble.Theairframeisconventionallybuiltusingbalsa,plywoodtomakeitstrongerthan

theaverageARTF,yetthedesignallowstheaeroplanetobekeptlight.Youwillfindthatmostofthe

workhasbeendoneforyoualready.Themotormounthasbeenfittedandthehingesarepre-installed

. Flying the MXS-R 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 MXS-R . 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 help thenewpilotonhiswaytosuccessful R/C flight.Theywillalsobeable

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

KIT CONTENTS

12 11

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ADDITIONAL ITEMS REQUIRED.

0.91-1.2 2-stroke.

1.00-1.25 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.

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-pinis snug againstthe aileron.This

will help ensure an equal amount of hinge is

oneithersideof the hinge linewhentheaileron

is mounted to the wing panel.

HINGING THE AILERONS .

Note:

Hinge.

T-pin.

KIT CONTENTS.

1 Fuselage

2 Canopy

3 Left wing panel

4 Right wing panel

5 Tail set

6 Aluminum wing tube

7 Scale pilot

8 Fiberglass cowl

9 Wheel pants (2)

10 Main landing gear

11 EP conversion pack

12 Hardware bag included

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

shouldbemaintained between thewing panel

andaileron.

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

MXS-R.Instruction Manual.

8)Afterboth 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.

Workthe aileron upanddown 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

aileronsfrontsurfaceshouldlightlycontactthe

wing during this procedure. Ideally, when the

Thehingeis constructed of 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:

Hinge.

6) Using C/A remover/debonder and a

papertowel,remove any excess C/Agluethat

may have accumulated on the wing or in the

aileronhinge area.

5)Turnthe wing paneloverand deflect the

aileron in the opposite direction from the

opposite side. Apply thin C/A glue to each

hinge,makingsure thattheC/Apenetratesinto

both the aileron and wing panel.

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HINGING THE RUDDER.

Glue the rudder hinges in place using the

same techniques used to hinge the ailerons.

INSTALL THE AILERONS CONTROL

HORN.

Hinge.

2 sets.

3x35mm.

HINGING THE ELEVATOR.

Glue the elevator hinges in place using the

same techniques used to hinge the ailerons.

C/Aglue.

1) Locate the hardware necessary to install

the control horns for the ailerons.

2) Position the control horn on the bottom of

the aileron. You will see pre-drill hole 6mm for

the horn mounting screw on the aileron.

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

9mm from the vase of the horn as shown.

6mm.

MXS-R.Instruction Manual.

Install the elevator control horn using the

samemethod assame as theaileron control

horns.

INSTALL ELEVATOR CONTROL HORN.

Repeatsteps to install the ruddercontrol horn

as same as steps done for ailerons.

Elevator control horn.

6mm.

INSTALL RUDDER CONTROL HORN.

2 sets.

3x35mm.

1 sets.

3x35mm.

Aileroncontrolhorn.

6mm.

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6mm.

Ruddercontrolhorn.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install the

engine mount included with your model. .

2) Use four M4x30mm head bolts and four

4mmwasherstoattach the engine mountrails

tothe firewall. Tightenthescrews . Make sure

to use threadlock on the screws to help

prevent them from vibrating loose.

M4x30mm.

+ 0.91: 2 STROKE.

Blindnut.

6mm.

MXS-R.Instruction Manual.

+ 1.20 : 2 STROKE + 4 STROKE.

Epoxy.

Balsa.

Thread locker glue.

Blindnut.

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Thread locker glue.

Epoxy. Balsa.

Epoxy.

Balsa.

Epoxy.

Battery.

Tie Wrap.

INSTALLING THE BATTERY.

Battery.

MXS-R.Instruction Manual.

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

the lines from the tank through the hole in the

firewall.

 8) Use balsa plywood to help prevent

moveable from transferring to the fuel tank as

shown.

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 is installedinside the fuselage,it may

be difficult to determine which is which.

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.

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.

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, cutone length

ofsiliconfuel line. Connect one endoftheline

tothe weighted fuelpick up and the otherend

to the nylon pick up 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.

C/Aglue.

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