EDGE Tech Edge 540 User Manual
EDGE 540
Hand-made Almost Ready to Fly R/C Model Aircraft
ASSEMBLY MANUAL
Specifications
Wingspan---------------------------------------- 68.2 in------------------------- 173.2cm.
Wing area--------------------------------------- 753sq.in-------------------- 48.6 sq.dm.
Approximate flying weight-------------------- 8.4-8.8lbs--------------------- 3.8-4kg.
Length-------------------------------------------- 60.6 in---------------------------- 154cm.
Recommended engine size-----------------.61- .91 cu.in---------------- 2-stroke.
.91-1.00 cu.in---------------- 4-stroke.
Radio System required 4 channel with 6 digital servos.
Flying skill level Intermediate/advanced.
Kit features.
• Ready-made—minimal assembly & finishing required.
• Ready-covered covering.
• Photo-illustrated step-by-step Assembly Manual.
Made in Vietnam.
EDGE 540. Instruction Manual.
INTRODUCTION.
Thank you for choosing the EDGE 540 ARTF by SEAGULL MODELS. The EDGE 540 was designed
with the intermediate/advanced sport flyer in mind. It is a semi scale airplane which is easy to fly
and quick to assemble. The airframe is conventionally built using balsa, plywood to make it stronger
than the average ARTF , yet the design allows the aeroplane to be kept light. You will find that most
of the work has been done for you already.Flying the EDGE 540 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 EDGE 540. 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.
If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C supplier
and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training
procedures designed to help the new pilot on his way to successful R/C flight. They will also be able
to advise on any insurance and safety regulations that may apply.
ADDITIONAL ITEMS REQUIRED.
.61- .91 2-stroke engine.
.91-1.00 4-stroke engine.
Computer radio with six digital
servos.
Glow plug to suit engine.
Propeller to suit engine.
Protective foam rubber for radio
system.
Silicone fuel line.
TOOLS & SUPPLIES NEEDED.
Thick 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.
Thread-lock.
Paper towels.
PARTS LISTING.
FUSELAGE ASSEMBLY
(1) Fuselage.
(1) Canopy hatch.
WING ASSEMBLY
(1) Right wing half with pre-installed
aileron.
(1) Left wing half with pre-installed
aileron.
(1) Aluminium dihedral brace.
Tail section assembly
(1) Horizontal stabilizer with pre-
installed elevator halves.
(1) Vertical stabilizer with pre-
installed rudder.
Some more parts.
HARDWARE PACK
COWLING
Landing gear.....
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EDGE 540. Instruction Manual.
NOTE: To avoid scratching your new aero-
plane we suggest that you cover your
workbench with an old towel. Keep a
couple of jars or bowls handy to hold
the small parts after you open the
bags.
Please trial fit all parts. Make sure you
have the correct parts and that they
fit and are aligned properly before
gluing! This will ensure proper assembly as the EDGE 540 is made
from natural materials and minor adjustments may have to be made.
The paint and plastic parts used in
this kit are fuel proof. However, they
are not tolerant of many harsh chemicals including the following: paint
thinner, cyano-acrylate glue accelerator, cyanoacrylate glue de-bonder
and acetone. Do not let these chemicals come in contact with the colours
on the covering and the plastic parts.
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EDGE 540. Instruction Manual.
HINGING THE AILERONS.
Note:
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.
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 aileron
until the T-pin is snug against the aileron. This
will help ensure an equal amount of hinge is
on either side of the hinge line when the aileron
is mounted to the wing panel.
4)Deflect the aileron and completely
saturate each hinge with thin C/A glue. The
ailerons 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.
The hinge is constructed of a special
Note:
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.
T-pin.
Hinge.
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
should be maintained between the wing panel
and aileron.
T-pin.
5) Turn the wing panel over and deflect 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.
C/A glue.
6) Using C/A remover/debonder and a
paper 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.
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EDGE 540. Instruction Manual.
8) After both 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.
Work the aileron up and down several
Note:
times to “work in” the hinges and check
for proper movement.
HINGING THE ELEVATORS.
1) Carefully remove the elevator from one
of the horizontal stabilizer panels. Note the
position of the hinges.
4)Deflect the elevator and completely
saturate each hinge with thin C/A glue. The
elevators front surface should lightly contact
the horizontal stabilizer 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 elevator to the horizontal
stabilizer panel hinge line.
Note:
The hinge is 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 horizontal stabilizer panel
and elevator.
2) Remove each hinge from the horizontal
stabilizer panel and elevator and place a T-pin
in the center of each hinge. Slide each hinge
into the elevator until the T-pin is snug against
the elevator. This will help ensure an equal
amount of hinge is on either side of the hinge
line when the elevator is mounted to the
horizontal stabilizer panel.
T-pins.
Hinges.
3) Slide the elevator on the horizontal
stabilizer panel until there is only a slight gap.
The hinge is now centered on the horizontal
stabilizer panel and elevator. Remove the Tpins and snug the elevator against the
horizontal stabilizer panel. A gap of 1/64” or
less should be maintained between the
horizontal stabilizer panel and elevator.
C/A glue.
5) Turn the horizontal stabilizer panel over
and deflect the elevator in the opposite
direction from the opposite side. Apply thin CA
glue to each hinge, making sure that the C/A
penetrates into both the elevator and horizontal
stabilizer panel.
C/A glue.
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EDGE 540. Instruction Manual.
6) Using C/A remover/debonder and a paper
towel, remove any excess C/A glue that may
have accumulated on the horizontal stabilizer
or in the elevator hinge area.
7) Repeat this process with the other
horizontal stabilizer panel, securely hinging the
elevator in place.
8) After both elevator are securely hinged,
firmly grasp the horizontal stabilizer panel and
elevator to make sure the hinges are securely
glued and cannot be pulled out. Do this by
carefully applying medium pressure, trying to
separate the elevator from the horizontal
stabilizer panel. Use caution not to crush the
horizontal stabilizer structure.
T-pin.
Hinges.
C/A glue.
HINGING THE RUDDER.
1) Carefully remove the rudder from the
vertical fin. Note the position of the hinges.
2) Placing a T-pin in the center of each
hinge. Slide each hinge into the rudder until
the T-pin is snug against the rudder. This will
help ensure an equal amount of hinge is on
either side of the hinge line when the rudder is
mounted to the fuselage panel.
Hinges.
4)Deflect the rudder and completely
saturate each hinge with thin C/A glue. The
rudder front surface should lightly contact the
vertical fin 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 rudder to the fuselage panel hinge line.
Note:
material that allows the C/A to wick or
penetrate and distribute throughout the
hinge, securely bonding it to the wood
structure of the fuselage panel and rudder.
The hinge is constructed of a special
3) Slide the rudder on the vertical fin until
there is only a slight gap. The hinge is now
centered on the fuselage panel and rudder.
Remove the T-pins and snug the rudder
against the fuselage panel. A gap of 1/64” or
less should be maintained between the vertical
fin panel and rudder.
6
C/A glue.
EDGE 540. Instruction Manual.
Install the rubber grommets and brass
collets onto the aileron servo. Test fit the servo
into the aileron servo mount.
Install the servo into the servo tray.
C/A glue.
5) Turn the vertical fin panel over and deflect
the rudder in the opposite direction from the
opposite side. Apply thin C/A glue to each
hinge, making sure that the C/A penetrates into
the rudder and fuselage panel.
6) Using C/A remover/debonder and a paper
towel, remove any excess C/A glue that may
have accumulated on the fuselage or in the
rudder hinge area.
Secure the servos with the screws provided with your radio system.
Because the size of servos differ, you
may need to adjust the size of the precut
opening in the mount. The notch in the
sides of the mount allow the servo lead to
pass through.
Work the rudder left and right several
Note:
times to “work in” the hinges and check
for proper movement.
INSTALLING THE AILERON SERVOS.
Small weight.
Using a small weight (Weighted fuel pick-up
works well) and thread, feed the string through
the wing as indicated.
Thread.
Thread.
Small weight.
Wing bottom.
Small weight.
Servo.
We recommended to use long servos
arm for all servos without throttle servo.
Thread.
Attach 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. Tape the servo lead to the wing to prevent
it from falling back into the wing.
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EDGE 540. Instruction Manual.
Wing panel bottom.
Electric wire.
Thread.
Plastic tape.
Pull.
Electric wire.
Aileron electric.
Thread.
Install the aileron servo tray into the servo
mount.
Repeat the procedure for orther wing
haft.
AILERON LINKAGE.
INSTALLING THE AILERON LINKAGE.
1) Using a ruler & pen to draw a straight
line as below picture.
Pen.
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