Seagull Models Ultra-jet Manuel utilisateur

“Graphics and specifications may change without notice”.

MS:159

ASSEMBLY MANUAL

Specifications:

Wingspan----------------------------61.8in(157cm).

Wingarea-----------------1100.5sq.in(71.0sqdm).

Weight-----------------------6.6-7.5lbs(3.0-3.4kg).

Length---------------------------------59.1in(150cm).

Engine --------------- 0.61-0.95cu.in----2-stroke.

Radio--------------------6channelswith6 servos.

Electricconversion:optional

ULTRA JET Instruction Manual.

INTRODUCTION.

Thank you for choosing the ULTRA JET ARTF by SEAGULL MODELS COMPANY LTD. The

ULTRAJET wasdesignedwiththeintermediate/advancedsportflyerinmind.Itisanot semiscale

airplane whichiseasytoflyandquicktoassemble.Theairframeisconventionallybuiltusingbalsa,

plywoodtomake it stronger than theaverageARTF, yet the design allowstheaeroplane to be kept

light. You will find that most of the work has been done for you already. The motor mount not fitted

and the hinges are pre-installed. Flying the ULTRA JET 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 ULTRA JET . 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

proceduresdesignedto helpthenewpilot onhiswaytosuccessful R/Cflight.Theywill alsobeable

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

KIT CONTENTS

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ADDITIONAL ITEMS REQUIRED.

0.61-0.95 2-stroke.

Computer radio with 6 servos.

Glow plug to suit engine.

Pusher 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.

1 Fuselage

2 Wing Set

3 Vertical Fins

4 Canopy

5 Leading Edge Extension

6 Aluminum Wing Tube

7 Hardware bag included

KIT CONTENTS. INSTALL ELEVON CONTROL HORN.

Elevon control horn.

Epoxy.

Fiberglass control horn.

INSTALL LEADING EDGE

EXTENSION

ULTRA JET Instruction Manual.

1) Attach the Leading Edge Extension to the

wing. Use a hobby knife to remove the covering

at the Leading Edge Extension and wing end.

2) Apply epoxy to the surface of the Wing and

Leading Edge Extension and hole them

together until the epoxy had set.

Removecovering.

Fillepoxy.

Sealcoveringiron.

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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.

Thread locker glue.

2) Usingamodeling knife, cut one length

ofsiliconfuelline. Connectoneendoftheline

totheweighted fuel pick up and theotherend

to the nylon pick up tube.

3) Carefully bend the second nylon tube

up at a 45º angle. This tube is the vent tube.

Venttube. Fuel pick up tube.

Fuel fill tube.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install the

engine mount included with your model.

2) Usefour4x30mmheadboltsandfour 4mm

washers to attach the engine mount rails to

thefirewall.Tighten the screws . Make sureto

use threadlock on the screws to help prevent

them from vibrating loose.

4x30mm.

ULTRA JET Instruction Manual.

1) Installthe rubber grommets and brass

colletsonto thethrottleservo. Testfittheservo

into the throttle servo mount.

INSTALLING THE FUSELAGE SERVOS.

Because the size of servos differ, you

mayneedto adjust the sizeoftheprecutopen-

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

mount allow the servo lead to pass through.

 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.

M3x10mm.

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

thetank is installed inside thefuselage,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.

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.

5) With the stopper assembly in place,

the weighted pick-up should rest away from

therear of thetank 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.

C/Aglue.

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 2) Secure the servos with the screws pro-

vided with your radio system.

THROTTLE SERVO ARM INSTALLATION.

Installadjustableservoconnectorinthe servo

arm as same as picture below:

Throttle servo.

Retract servo.

Retract servo arm.

Trim and cut.

3/32” Hole.

INSTALLING THE SWITCH.

Installtheswitchintotheprecut hole in the

side, in the fuselage.

Steering servo. Steering servo arm.

AdjustableServo

Servoarm.

Loctite secure.

Diameter=2mm. 2

Diameter=3mm.

Throttle servo arm.

ULTRA JET Instruction Manual.

M3x30mm

7) Slide the throttle pushrod wire into the tube.

Position the engine between the mounts. Use

four M3x30mm 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.

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

mount rails.

4) On the fire wall has drill a hole in the firewall

for the throttle pushrod the location for the

throttle pusshrod tube (pre-drill).

4.5mm.

4mm.

2) Use a pin drill and 4mm drill bit to drill a

small indentation in the mount for the engine

mounting screw.

MOUNTING THE ENGINE.

 1) Positionthe enginewiththedrive washer

(130mm) forward of the firewall as shown.

130mm.

Switch.

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9) Move the throttle stick to the closed position

and move the carburetor to closed. Use a 1.5mm

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.

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.

Pushrod wire

Screw.

ELECTRIC POWER CONVERSION.

1) Locate the items neccessary to install the

electric power conversion included with your

model.

2) Attach the draw cross lines on the sub firewall

to locate the centred mounting position of your

electric motor box to the firewall suitable with

the cross lines drawn on the electric motor box

and firewall. Using epoxy and balsa stick to

secure the motor box to the firewall. Please see

pictures below.

- Model size: .61-75 size models

- Motor: 50mm 310 rev per volt

- Propeller: 13x10 ~ 14x10

- ESC: 60A

- Lipo Batteries: 8 cell 3200mA

Recommendation EP parts as shown (not

included with your model)

Ruler.

Pen.

ULTRA JET Instruction Manual.

Electric motor.

M3x15mm.

4mm.

Blindnut.

3) Attach the motor to the front of the electric

motor box using four 3mm blind nut, four

M3x15mm hex head bolts to secure the motor.

Please see picture shown.

M4x60mm.

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