Seagull Models SEA 285 User manual

Specications:

Wingspan--------------- 80.0 in (203.2 cm).

Wing area--------------- 957.9 sq.ins (61.8 sq.dm).

Weight------------------- 13.7-14.1 lbs (6.2-6.4 kg).

Length------------------- 58.8 in (147.2 cm).

Engine/Motor size----- 0.46-0.55 cu.in 2stroke.

Radio--------------------- 8 channels with 10 servos.

ASSEMBLY MANUAL

Code : SEA 285

Seagull de Havilland Mosquito Twin Engine RC Warbird Instruction Manual.

5 5

4710

ank you for choosing the Seagull de Havilland Mosquito Twin Engine RC War-

bird ARTF by SG MODELS . e Seagull de Havilland Mosquito Twin Engine RC

Warbird was designed with the intermediate/advanced sport yer in mind. It is a semi

scale airplane which is easy to y and quick to assemble. e airframe is convention-

ally built using balsa, plywood to make it stronger than the average ARTF, yet the de-

sign 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 tted and the hinges are pre-installed.

Flying the Seagull de Havilland Mosquito Twin Engine RC Warbird 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 Seagull de Havilland Mosquito

Twin Engine RC Warbird 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 ca-

pable 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

KIT CONTENTS.

SEA285 Seagull de Havilland

Mosquito Twin Engine RC Warbird

1. Fuselage

2. Wing set (2)

3. Tail set (2)

4. Canopy

5. Cowling (2)

6. landing gear

7. Pilot

8. wheel (2)

9. Aluminum wing tube

10. EP Conversion pack

ADDITIONAL ITEMS REQUIRED.

TOOLS & SUPPLIES NEEDED.

in cyanoacrylate glue.

Medium 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.

�0.46-0.55 cu.in 2stroke.

�Computer radio 8 with chanlel 10

servos.

�Glow plug to suit engine.

�Propeller to suit engine.

�Protective foam rubber for radio

system.

INSTALL THE AILERONS

CONTROL HORN.

Epoxy.

Fiberglass control horn

Epoxy.

Fiberglass control horn

Seagull de Havilland Mosquito Twin Engine RC Warbird Instruction Manual.

INSTALLING THE ALLERON SERVOS.

Epoxy.

Fiberglass control horn

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.

1) Place the servo between the mount-

ing blocks and space it from the hatch.

Use a pencil to mark the mounting hole

locations on the blocks.

2) Use drill bit in a pin vise to drill the

mouting holes in the blocks.

4) Use dental oss to secure the connec-

tion so they cannot become unplugged.

5) Secure the servo to the aileron hatch

using Phillips screwdriver and the screws

provided with the servo.

3) Apply 2-3 drops of thin C/A to each

of the mounting holes. Allow the C/A to

cure without using accelerator.

C/A glue

6) Apply 1-2 drops of thin C/A to each of

the mounting tabs. Allow the C/A to cure

without using accelerator.

C/A glue

Seagull de Havilland Mosquito Twin Engine RC Warbird Instruction Manual.

7) Remove the string from the wing at the

servo location and use the tape to attach it

to the servo extension lead. Pull the lead

through the wing and remove the string.

8) Set the aileron hatch in place and use

a Phillips screw driver to install it with

four wood screws.

2x10mm

AILERON PUSHROD INSTALLATION.

Please see below pictures.

Fuel Tubin g

Hex Nut

Metal R/C Clevis

Pushrod Wire

INSTALLING THE FLAP SERVO.

Repeat the procedure for the ap servo.

INSTALLING THE FLAP PUSHROD.

Repeat the procedure for the aileron

pushrod.

Fuel Tubin g

Hex Nut

Metal R/C Clevis

Pushrod Wire

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.

1) Install the rubber grommets and brass

collets into all servos. Test t the servos

into the fuselage servo mounts.

2) Secure the servos with the screws pro-

vided with your radio system.

Elevator servo.

Rudder servo.

Seagull de Havilland Mosquito Twin Engine RC Warbird Instruction Manual.

Trim and cut.

INSTALLING THE RECEIVER SWITCH.

Install the switch into the precut hole in

the side, in the fuselage.

3/32” Hole.

Switch.

ENGINE MOUNT INSTALLATION

1) Locate the items necessary to install the en-

gine mount included with your model

2) Use four 4x20mm head bolts and

four 4mm washers to attach the engine

mount rails to the rewall. Tighten the

screws . Make sure to use threadlock on

the screws to help prevent them from vi-

brating loose

Elevator servo arm.

Rudder servo arm.

Knife.

1) Position the engine with the drive

washe (118mm) forward of the rewall

as shown.

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

drill a small indentation in the mount

for the engine mounting screw.

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

engine mount rails

4mm.

2mm.

118mm.

Epoxy.

Seagull de Havilland Mosquito Twin Engine RC Warbird Instruction Manual.

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.

3) Carefully bend the second nylon tube up

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

Vent tube. Fuel pick up tube.

Fuel fill tube.

4) Test t the stopper assembly into the

tank. It may be necessary to remove some

of the ashing around the tank opening us-

ing a modeling knife. If ashing is present,

make sure none falls into the tank.

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