Seagull Models CLASSIC UGLY STICK User manual

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ASSEMBLY MANUAL

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Specications:

Wingspan---------------70.9 in (180 cm).

Wing area---------------1033.2 sq.in (66.7 sq.dm).

Weight-------------------7.7 lbs (3.5 kg).

Length-------------------57.8 in (146.8 cm).

Engine-------------------10cc - 15cc gasoline

----------------------------.60 -.91 glow engine

----------------------------1200-1500 Watt Brushless Motor

Radio---------------------4 channels with 5 servos.

Electric conversion: Optional.

“ Graphics and specications may change without notice “ .

Code : SEA255

CLASSIC UGLY STICK Instruction Manual.

ank you for choosing the CLASSIC UGLY STICK ARTF by SEAGULL MODELS

COMPANY LTD,. e CLASSIC UGLY STICK was designed with the intermediate/

advanced sport yer in mind. It is a sport airplane which is easy to y and quick to as-

semble. e airframe is conventionally built using balsa, plywood to make it strong-

er than the average ARTF, yet the design allows the aeroplane to be kept light. You will

nd that most of the work has been done for you already. e motor mount has been t-

ted and the hinges are pre-installed. Flying the CLASSIC UGLY STICK is simply a joy.

is instruction manual is designed to help you build a great ying aeroplane. Please read

this manual throughly before starting assembly of your CLASSIC UGLY STICK . Use the

parts listing below to indentify all parts.

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 & REPONSIBILITY.

If you are inexperienced with basic R/C ight we strongly recommend you contact your R/C

supplier and join your local R/C model Flying Club. R/C Model Flying Clubs oer a variety

of training procedures designed to help the new pilot on his way to successful R/C ight.

ey will also be able to advise on any insurance and safety regulations that may apply.

INTRODUCTION.

WARNING.

KIT CONTENTS

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KIT CONTENTS.

SEA255 CLASSIC UGLY STICK

SEA25501 Fuselage

SEA25502 Wing set

SEA25503 Tail set

SEA25504 Aluminum tube

ADDITIONAL ITEMS REQUIRED.

�10cc-15cc gasoline engine.

�.60 - .91 glow engine.

�1200-1500 Watt Brushless Motor.

�Computer radio with 5 servos.

�Glow plug to suit engine.

�Propeller to suit engine.

�Protective foam rubber for radio

system.

TOOLS & SUPPLIES NEEDED.

in cyanoacrylate glue.

30 minute epoxy.

5 minute epoxy.

Hand or electric drill.

Assorted drill bits.

Modelling knife.

Straight edge ruler.

2mm ball driver.

Phillips head screwdriver.

220 grit sandpaper.

90° square or builder’s triangle.

Wire cutters.

Masking tape & T-pins.

read-lock.

Paper towels.

HINGING THE AILERON.

Note : e control surfaces, including the ai-

lerons, elevators, and rudder, are prehinged

with hinges installed, but the hinges are not

glued in place. It is imperative that you prop-

erly adhere the hinges in place per the steps

that follow using a high-quality thin C/A glue.

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

2) Remove each hinge from the wing panel

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

each hinge. Slide each hinge into the wing

panel until the T-pin is snug against the wing

panel. is will help ensure an equal amount

of hinge is on either side of the hinge line

when the aileron is mounted to the aileron.

3) Slide the wing panel on the aileron until

there is only a slight gap. e hinge is now

centered on the wing panel and aileron. Re-

move the T-pins and snug the aileron against

the wing panel. A gap of 1/64” or less should

be maintained between the wing panel and

aileron.

Hinge.

CLASSIC UGLY STICK Instruction Manual.

8) Aer both ailerons are securely hinged,

rmly grasp the wing panel and aileron to

make sure the hinges are securely glued and

cannot be pulled out. Do this by carefully ap-

plying medium pressure, trying to separate

the aileron from the wing panel. Use caution

not to crush the wing structure.

Work the aileron up and down sev-

eral times to “work in” the hinges

and check for proper movement.

Note :

NOTE : e hinge is constructed of a spe-

cial 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.

C/A glue.

4) Deect the aileron and completely satu-

rate each hinge with thin C/A glue. e ailer-

ons front surface should lightly 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.

5) Turn the wing panel over and deect the

aileron in the opposite direction from the

opposite side. Apply thin C/A glue to each

hinge, making sure that the C/A penetrates

into both the aileron and wing panel.

6) Using C/A remover/debonder and a pa-

per towel, remove any excess C/A glue that

may have accumulated on the wing or in the

aileron hinge area.

7) Repeat this process with the other wing

panel, securely hinging the aileron in place.

INSTALL THE AILERONS

CONTROL HORN.

Aileron control horn.

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WING ASSEMBLY.

Please see below pictures.

Attach the aluminum tube into wing.

Epoxy.

INSTALLING THE AILERON SERVOS.

Servos

Small weight

Thread

1) Install the rubber grommets and brass

collets onto the aileron servo. Test t the

servo into the aileron servo mount.

Because the size of servos dier, you may

need to adjust the size of the precut openingin

the mount. e notch in the sides of the mount

allow the servo lead to pass through.

2) Using a small weight (Weighted fuel pick-

up works well) and thread, feed the string

through the wing as indicated.

CLASSIC UGLY STICK Instruction Manual.

Electric wire.

3) Attach servo lead to the aileron servo. At-

tach the string to the servo lead and carefully

thread it though the wing. Once you have

thread the lead throught the wing, remove

the string so it can use for the other servo

lead.

4) Tape the servo lead to the wing to prevent

it from falling back into the wing.

5) Reinstall the servo into the servo mount

and secure the servo inplace using the wood

screws provided with you radio system.

Plastic tape.

Thread.

Repeat the procedure for the other wing half.

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AILERON PUSHROD HORN

INSTALLATION.

Please see below pictures.

Use a felt tip pen to mark the wire where

it crosses the hole. Use a pair of pliers to

put a shrp 90-degree bend in the wire at

the mark.

Mark.

Bend at the mark

8mm

M2 lock nut.

Metal clevis.

Snap keeper.

Servo arm.

Fuel tubing.

Hex Nut.

Nylon Snap keeper.

ATTACHMENT WING- FUSELAGE.

Please see below pictures.

CLASSIC UGLY STICK Instruction Manual.

INSTALLING THE RECEIVER SWITCH.

Install the switch into the precut hole in

the side, in the fuselage.

3/32” Hole.

Trim and cut.

Wing bolt.

1) Install the rubber grommets and brass

collets onto all servos. Test t the servos

into the servo mount.

2) Secure the servos with the screws pro-

vided with your radio system.

Rudder servo.

Elevator servo.

rottle servo.

INSTALLING THE FUSELAGE SERVOS.

Because the size of servos dier, you

may need to adjust the size of the precut

opening in the mount. e notch in the

sides of the mount allow the servo lead to

pass through.

THROTTLE SERVO ARM

INSTALLATION.

Install adjustable servo connector in the

servo arm as same as picture below:

Loctite

secure.

Adjustable servo

connector.

Servo arm.

rottle servo arm.

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Switch.

INSTALLING THE ENGINE SWITCH.

Trim and cut.

Switch.

INSTALLING THE STOPPER

ASSEMBLY.

1) Using a modeling knife, carefully cut

o the rear portion of one of the 3 nylon

tubes leaving 1/2” protruding from the

rear of the stopper. is will be the fuel

pick up tube.

2) Using a modeling knife, cut one length

of silicon fuel line. Connect one end of

the line to the weighted fuel pick up and

the other end to the nylon pick up tube.

Vent tube. Fuel pick up

Fuel fill tube.

3) Carefully bend the second nylon tube up

at a 45º angle. is tube is the vent tube.

4) Test t the stopper assembly into the tank.

It may be necessary to remove some of the

ashing around the tank opening using a

modeling knife. If ashing is present, make

sure none falls into the tank.

CLASSIC UGLY STICK Instruction Manual.

5) With the stopper assembly in place, the

weighted pick-up should rest away from the

rear of the tank and move freely inside the

tank. e 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 satised with the alignment of the

stopper assembly tighten the 3 x 20mm ma-

chine screw until the rubber stopper expands

and seals the tank opening. Do not over-

tighten 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

the tank is installed inside the fuselage, it may

be dicult to determine which is which.

7) Slide the fuel tank into the fuselage. Guide

the lines from the tank through the hole in

the rewall.

8) Use plywood template to hold in place the

fuel tank with C/A glue to secure the fuel

tank inside the fuselage.

C/A glue.

Ignition Module.

9) Connect the lines from the tank to the en-

gine and muer. e vent line will connect

to the muer and the line from the clunk to

the carburetor.

Vent tube.

Fuel pick up tube.

Fuel ll tube.

C/A glue.

Balsa wood.

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