Seagull Models T-34 Mentor User manual

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ASSEMBLY MANUAL

www.seagullmodels.com

Specications:

Wingspan---------------74.8 in (190 cm).

Wing area---------------848.5 sq.in ( 54.7sq.dm).

Weight-------------------11.2 lbs ( 5.1 kg).

Length-------------------56.3 in (143 cm).

Engine-------------------20-22cc

----------------------------Power 110

Radio--------------------6 channels with 11 servos.

Electric conversion: Optional.

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

Code: SEA240

(SEA240M)

(SEA240Y)

T-34 MENTOR Instruction Manual.

ank you for choosing the T-34 MENTOR ARTF by SEAGULL MODELS COMPANY

LTD,. e T-34 MENTOR 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 conven-

tionally built using balsa, plywood to make it stronger 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 tted and the hinges are pre-installed. Flying the T-34

MENTOR 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 T-34 MENTOR . Use the parts listing

below to indentify all parts.

Please be awere that this aeroplane is not a toy and if assembley 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.

SEA240 T-34 MENTOR

SEA24001 Fuselage

SEA24002 Wing set

SEA24003 Tail set

SEA24004 Canopy

SEA24005 Cowling

SEA24006 Aluminium tube

SEA24007 Pilot

ADDITIONAL ITEMS REQUIRED.

TOOLS & SUPPLIES NEEDED.

HINGING THE FLAP.

Hinge.

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 ap from one of the

wing panels. Note the position of the hinges.

2) Remove each hinge from the wing panel

and ap 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 ap is mounted to the wing.

3) Slide the wing panel on the ap until there

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

on the wing panel and ap. Remove the T-

pins and snug the ap against the wing panel.

A gap of 1/64” or less should be maintained

between the wing panel and ap.

�20cc-22cc gasoline engine.

�Power 110

�Computer radio with 11 servos.

�Glow plug to suit engine.

�Propeller to suit engine.

�Protective foam rubber for radio

system.

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.

T-34 MENTOR Instruction Manual.

HINGING THE AILERON.

in CA.

Hinge.

T-pin.

4) Deect the ap and completely saturate

each hinge with thin C/A glue. e ap’s

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 ap to the wing panel hinge line.

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.

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

ap in the opposite direction from the oppo-

site side. Apply thin C/A glue to each hinge,

making sure that the C/A penetrates into

both the ap 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 ap in place.

8) Aer both ap are securely hinged, rmly

grasp the wing panel and ap to make sure

the hinges are securely glued and cannot

be pulled out. Do this by carefully applying

medium pressure, trying to separate the ai-

leron from the wing panel. Use caution not

to crush the wing structure and/ or ap.

Work the ap up and down several

times to “work in” the hinges and

check for proper movement.

Note :

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.

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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.

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.

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.

in CA.

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.

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 :

HINGING THE ELEVATOR.

Glue the elevator hinges in place using the

same techniques used to hing the ailerons.

T-34 MENTOR Instruction Manual.

INSTALL T HEAI LERONS

CONTROL HORN.

Fiberglass control horn

Epoxy.

Aileron control horn.

INSTALL FLAP CONTROL HORN.

Install the ap control horn using the

same method as same as the aileron con-

trol horns.

Fiberglass control horn.

Epoxy.

INSTALL ELEVATOR CONTROL HORN.

Fiberglass control horn.

Epoxy.

HINGING THE RUDDER.

Glue the rudder hinges in place using

the same techniques used to hinge the ai-

lerons.

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Fiberglass control horn.

Elevator berglass control horn.

Epoxy.

INSTALL RUDDER CONTROL HORN.

Repeat steps to install the rudder control

horn as same as steps done for ailerons.

Epoxy.

Rudder berglass control horn.

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 onto all servos. Test t the servos

into the servo mounts.

2) Secure the servos with the screws pro-

vided with your radio system.

Rudder servo.

Elevator servo.

Elevator servo. rottle servo.

THROTTLE SERVO ARM

INSTALLATION.

Install adjustable servo connector in the

servo arm as same as picture below:

Servo arm.

Adjustable servo

connector.

Loctite secure.

rottle servo arm.

T-34 MENTOR 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.

INSTALLING THE SWITCH .

Install the switch into the precut hole in

the side, in the fuselage.

3/32” Hole.

Trim and cut.

Switch.

Vent tube. Fuel pick up tube.

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.

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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. Balsa wood.

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.

Blow through one of the lines to ensure

the fuel lines have not become kinked inside

the fuel tank compartment. Air should ow

through easily.

T-34 MENTOR Instruction Manual.

ENGINE MOUNT INSTALLATION.

1) Locate the items necessary to install

the engine mount included with your

model.

4x30mm

2) Use four 4x30mm 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 vibrating loose.

read locker glue.

MOUNTING THE ENGINE - 20CC.

1) Position the engine with the drive

washer (145mm) forward of the rewall

as shown.

145mm

2) Use a pin drill and 4mm 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

4) On the re wall has the location for the

throttle pusshrod tube (pre-drill).

5) Slide the pushrod tube in the rewall

and guide it through the fuel tank mount.

Use medium C/A to glue the tube to the

rewall and the fuel tank mount.

6) Connect the Z-bend in the 450mm

throttle pushrod to the outer hole of the

carburetor arm.

7) Slide the throttle pushrod wire into

the tube. Position the engine between the

mounts. Use four M4x30mm machine

screws to secure the engine to the mount

as shown.

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