hand-made almost ready to fly r/c model aircraft assembly manual

Kit features.

• Ready-made—minimal assembly & finishing required.• Ready-covered covering.• Photo-illustrated step-by-step Assembly Manual.

Made in Vietnam.

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.

Hand-made Almost Ready to Fly R/C Model Aircraft

ASSEMBLY MANUAL

EDGE 540

EDGE 540. Instruction Manual.

2

INTRODUCTION.

Thank you for choosing the EDGE 540 ARTF by SEAGULL MODELS. The EDGE 540 was designedwith the intermediate/advanced sport flyer in mind. It is a semi scale airplane which is easy to flyand quick to assemble. The airframe is conventionally built using balsa, plywood to make it strongerthan the average ARTF , yet the design allows the aeroplane to be kept light. You will find that mostof 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 thismanual thoroughly before starting assembly of your EDGE 540. Use the parts listing below to identifyall parts.

WARNING.

Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it iscapable of causing injury to people or property. WHEN YOU FLY THIS AEROPLANE YOUASSUME ALL RISK & RESPONSIBILITY.If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C supplierand join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of trainingprocedures designed to help the new pilot on his way to successful R/C flight. They will also be ableto 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 digitalservos.Glow plug to suit engine.Propeller to suit engine.Protective foam rubber for radiosystem.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-installedaileron.(1) Left wing half with pre-installedaileron.(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

COWLINGLanding gear.....


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NOTE: To avoid scratching your new aero-plane we suggest that you cover yourworkbench with an old towel. Keep acouple of jars or bowls handy to holdthe small parts after you open thebags.Please trial fit all parts. Make sure youhave the correct parts and that theyfit and are aligned properly beforegluing! This will ensure proper as-sembly as the EDGE 540 is madefrom natural materials and minor ad-justments may have to be made.The paint and plastic parts used inthis kit are fuel proof. However, theyare not tolerant of many harsh chemi-cals including the following: paintthinner, cyano-acrylate glue accel-erator, cyanoacrylate glue de-bonderand acetone. Do not let these chemi-cals come in contact with the colourson the covering and the plastic parts.


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4)Deflect the aileron and completelysaturate each hinge with thin C/A glue. Theailerons front surface should lightly contact thewing during this procedure. Ideally, when thehinges are glued in place, a 1/64” gap or lesswill be maintained throughout the lengh of theaileron to the wing panel hinge line.

Note:

The control surfaces, including theailerons, elevators, and rudder, areprehinged with hinges installed, but thehinges are not glued in place. It isimperative that you properly adhere thehinges in place per the steps that followusing a high-quality thin C/A glue.

1) Carefully remove the aileron from oneof the wing panels. Note the position of thehinges.

2) Remove each hinge from the wing paneland aileron and place a T-pin in the center ofeach hinge. Slide each hinge into the aileronuntil the T-pin is snug against the aileron. Thiswill help ensure an equal amount of hinge ison either side of the hinge line when the aileronis mounted to the wing panel.

HINGING THE AILERONS.

Note:

The hinge is constructed of a specialmaterial that allows the C/A to wick orpenetrate and distribute throughout thehinge, securely bonding it to the woodstructure of the wing panel and aileron.

7) Repeat this process with the other wingpanel, securely hinging the aileron in place.

3) Slide the aileron on the wing panel untilthere is only a slight gap. The hinge is nowcentered on the wing panel and aileron.Remove the T-pins and snug the aileronagainst the wing panel. A gap of 1/64” or lessshould be maintained between the wing paneland aileron.

5) Turn the wing panel over and deflect theaileron in the opposite direction from theopposite side. Apply thin C/A glue to eachhinge, making sure that the C/A penetrates intoboth the aileron and wing panel.

6) Using C/A remover/debonder and apaper towel, remove any excess C/A glue thatmay have accumulated on the wing or in theaileron hinge area.

Hinge.

T-pin.

C/A glue.

T-pin.

C/A glue.


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8) After both ailerons are securely hinged,firmly grasp the wing panel and aileron tomake sure the hinges are securely glued andcannot be pulled out. Do this by carefullyapplying medium pressure, trying to separatethe aileron from the wing panel. Use cautionnot to crush the wing structure.

Work the aileron up and down severaltimes to “work in” the hinges and checkfor proper movement.

1) Carefully remove the elevator from oneof the horizontal stabilizer panels. Note theposition of the hinges.

2) Remove each hinge from the horizontalstabilizer panel and elevator and place a T-pinin the center of each hinge. Slide each hingeinto the elevator until the T-pin is snug againstthe elevator. This will help ensure an equalamount of hinge is on either side of the hingeline when the elevator is mounted to thehorizontal stabilizer panel.

1/64” gap or less will be maintained throughoutthe lengh of the elevator to the horizontalstabilizer panel hinge line.

The hinge is constructed of a specialmaterial that allows the C/A to wick orpenetrate and distribute throughout thehinge, securely bonding it to the woodstructure of the horizontal stabilizer paneland elevator.

5) Turn the horizontal stabilizer panel overand deflect the elevator in the oppositedirection from the opposite side. Apply thin CAglue to each hinge, making sure that the C/Apenetrates into both the elevator and horizontalstabilizer panel.

HINGING THE ELEVATORS.

3) Slide the elevator on the horizontalstabilizer panel until there is only a slight gap.The hinge is now centered on the horizontalstabilizer panel and elevator. Remove the T-pins and snug the elevator against thehorizontal stabilizer panel. A gap of 1/64” orless should be maintained between thehorizontal stabilizer panel and elevator.

4)Deflect the elevator and completelysaturate each hinge with thin C/A glue. Theelevators front surface should lightly contactthe horizontal stabilizer during this procedure.Ideally, when the hinges are glued in place, a

T-pins.

Hinges.

Note:

C/A glue.

Note:

C/A glue.


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4)Deflect the rudder and completelysaturate each hinge with thin C/A glue. Therudder front surface should lightly contact thevertical fin during this procedure. Ideally, whenthe hinges are glued in place, a 1/64” gap orless will be maintained throughout the lenghof the rudder to the fuselage panel hinge line.

1) Carefully remove the rudder from thevertical fin. Note the position of the hinges.

2) Placing a T-pin in the center of eachhinge. Slide each hinge into the rudder untilthe T-pin is snug against the rudder. This willhelp ensure an equal amount of hinge is oneither side of the hinge line when the rudder ismounted to the fuselage panel.

Note: The hinge is constructed of a specialmaterial that allows the C/A to wick orpenetrate and distribute throughout thehinge, securely bonding it to the woodstructure of the fuselage panel and rudder.

3) Slide the rudder on the vertical fin untilthere is only a slight gap. The hinge is nowcentered on the fuselage panel and rudder.Remove the T-pins and snug the rudderagainst the fuselage panel. A gap of 1/64” orless should be maintained between the verticalfin panel and rudder.

HINGING THE RUDDER.

8) After both elevator are securely hinged,firmly grasp the horizontal stabilizer panel andelevator to make sure the hinges are securelyglued and cannot be pulled out. Do this bycarefully applying medium pressure, trying toseparate the elevator from the horizontalstabilizer panel. Use caution not to crush thehorizontal stabilizer structure.

Hinges.

Hinges.

T-pin.

C/A glue.

C/A glue.

6) Using C/A remover/debonder and a papertowel, remove any excess C/A glue that mayhave accumulated on the horizontal stabilizeror in the elevator hinge area.

7) Repeat this process with the otherhorizontal stabilizer panel, securely hinging theelevator in place.


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5) Turn the vertical fin panel over and deflectthe rudder in the opposite direction from theopposite side. Apply thin C/A glue to eachhinge, making sure that the C/A penetrates intothe rudder and fuselage panel.

6) Using C/A remover/debonder and a papertowel, remove any excess C/A glue that mayhave accumulated on the fuselage or in therudder hinge area.

Note:Work the rudder left and right severaltimes to “work in” the hinges and checkfor proper movement.

INSTALLING THE AILERON SERVOS.

Attach the string to the servo lead andcarefully thread it though the wing. Once youhave thread the lead throught the wing, removethe string so it can use for the other servolead. Tape the servo lead to the wing to preventit from falling back into the wing.

We recommended to use long servosarm for all servos without throttle servo.

Because the size of servos differ, youmay need to adjust the size of the precutopening in the mount. The notch in thesides of the mount allow the servo lead topass through.

Install the rubber grommets and brasscollets onto the aileron servo. Test fit the servointo the aileron servo mount.

Install the servo into the servo tray.

Using a small weight (Weighted fuel pick-upworks well) and thread, feed the string throughthe wing as indicated.

Secure the servos with the screws pro-vided with your radio system.

Servo.

Small weight.

Thread.

C/A glue.

Wing bottom.

Thread.

Small weight.

Thread. Small weight.


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AILERON LINKAGE.

INSTALLING THE AILERON LINKAGE.

1) Using a ruler & pen to draw a straightline as below picture.

Install the aileron servo tray into the servomount.

Repeat the procedure for orther winghaft.

Wing panel bottom.

Thread.

Electric wire.

Pull.

Plastic tape.

Aileron electric.

Pen.

Electric wire.

Thread.


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4) Using a 1mm drill bit and the controlhorns as a guide, drill the mounting holesthrough the aileron halves.

5) Mount the control horns by inserting thescrews through the control horn bases andaileron halves, then into the mountingbackplates. Do not overtighten the screws orthe backplates may crush the wood.

2) Locate the two nylon control horns, twonylon control horn backplates and two ma-chine screws.

Control Horn.

Mounting Screws. Mounting Plate.

3) Position the aileron horn on the bottomside of aileron. The clevis attachment holesshould be positioned over the hinge line.

6) Thread one nylon adjustable control hornonto each aileron control rod. Thread thehorns on until they are flush with the ends ofthe control rods.

7) Pushrod assemble as same as picturesbelow:

2mm x 30 mm.

2.8cm.

Pushrod.

Servo arm.

Straigh line.

M3 lock nut.


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Battery.

4mm X 20mm.

1) Using a modeling knife, carefully cutoff the rear portion of one of the 3 nylon tubesleaving 1/2” protruding from the rear of thestopper. This will be the fuel pick up tube.

INSTALLING THE STOPPER ASSEMBLY.

FUEL TANK.

INSTALLING THE BATTERY.

ENGINE MOUNT.

Repeat the procedure for the otheraileron servo.

See pictures below:

C/A glue.

2) Using a modeling knife, cut one lengthof silicon fuel line. Connect one end of the lineto the weighted fuel pick up and the other endto the nylon pick up tube.

3) Carefully bend the second nylon tubeup at a 45º angle. This tube is the vent tube.


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Important: When the stopper assembly isinstalled in the tank, the top of the venttube should rest just below the top surfaceof the tank. It should not touch the top ofthe tank.

4) Test fit the stopper assembly into thetank. It may be necessary to remove some ofthe flashing around the tank opening using amodeling knife. If flashing is present, makesure none falls into the tank.

5) With the stopper assembly in place,the weighted pick up should rest away fromthe rear of the tank and move freely inside thetank. The top of the vent tube should rest justbelow the top of the tank. It should not touchthe top of the tank.

Attach the silicone fuel and pressure pipesto the tank. The lower pipe is the ‘feed’ and theupper two the ‘pressure and fill’. The fill pipe isthe next pipe.

You should mark which tube is thevent and which is the fuel pickup when youattach fuel tubing to the tubes in thestopper. Once the tank is installed insidethe fuselage, it may be difficult to determinewhich is which.

6) When satisfied with the alignment ofthe stopper assembly tighten the 3mm x 20mmmachine screw until the rubber stopper ex-pands and seals the tank opening. Do notovertighten the assembly as this could causethe tank to split.

Blow through one of the lines to en-sure the fuel lines have not become kinkedinside the fuel tank compartment. Airshould flow through easily.

MOUNTING THE ENGINE.

1) Install the pushrod housing through thepredrilled hole in the firewall and into the servocompartment. The pushrod housing shouldprotrude 1/4" out past the front of the firewall.

Make a Z-Bend 1/4" from one end of theplain wire pushrod.

Vent tube.

Fuel pick-uptube. Fuel fill tube.

Vent tube. Fuel pick-uptube.

Fuel fill tube.

Fuel tank.

Carefully use a lighter or heat gun topermenently set the angle of the vent tube.


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1) Assemble and mounting the wheel pantsas shown in the following pictures.

WHEEL AND WHEEL PANTS.

6) Attach the Z-Bend in the pushrod wireto the throttle arm on the carburetor. You willneed to remove the throttle arm from the car-buretor to be able to attach the Z-bend. Whencomplete, reattach the throttle arm to the car-buretor.

5) Bolt the engine to the engine mountusing the four machine screws. Double cheekthat all the screws are tight before proceeding.

4.2mm(4 pcs).

Pushrod wire.

4mm X 30mm.

4) Remove the engine. Using an drill bit,drill the mounting holes through the enginemount at the four locations marked.

2) Place your engine onto the enginemount. Adjust the engine is centered of theedges of the engine case.

3) When you are satisfied with the align-ment, mark the locations of the enginemounting.

125mm.


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2) Follow diagram below for wheel pantinstallation:

Wheel Collar.

Axle.

Wheel.Nut.

Wheel Pant.

Landing Gear.

Nut.

(2) Washer.

3) You have to trim each axle using a tollcutting and cut-off wheel.

Caution when cutting the axles andwear protective goggles.

10mm.

46mm.

(2) Wheel Collar.

Axle.

Wheel.Nut.

Nut.

(2) Washer.

Landing gear.


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Because of the diameter of the cowl,it may be necessary to use a needle

valve extension for the high speed needlevalve. Make this out of sufficient length1.5mm wire and install it into the end ofthe needle valve. Secure the wire in placeby tightening the set screw in the side ofthe needle valve.

2) While keeping the back edge of thecowl flush with the marks, align the front ofthe cowl with the crankshaft of the engine. Thefront of the cowl should be positioned so thecrankshaft is in nearly the middle of the cowlopening. Use the spinner backplate as a guide.Hold the cowl firmly in place using pieces ofmasking tape.

COWLING.

1) Slide the fiberglass cowl over the en-gine and line up the back edge of the cowl withthe marks you made on the fuselage then trimand cut.

1) The blind nuts for securing the landinggear are already mounted inside the fuselage.

2) Using the hardware provided, mount themain landing gear to the fuselage.

INSTALLING THE MAIN LANDINGGEAR.

4mm X 20mm.

Trim and cut.

Trim and cut.

4) A drop of C/A glue on the wheel collarscrews will help keep them from coming loseduring operation.

Repeat the process for the other wheel.

3mmX10mm.


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3) Slide the cowl back over the engineand secure it in place using six 3mm x 10mmwood screws. See picture below.

4) Install the muffler and muffler extensiononto the engine and make the cutout in thecowl for muffler clearance. Connect the fueland pressure lines to the carburetor, mufflerand fuel filler valve.

The propeller should not touch anypart of the spinner cone. If it does,

use a sharp modeling knife and carefullytrim away the spinner cone where the pro-peller comes in contact with it.

1) Install the spinner backplate, propellerand spinner cone. The spinner cone is held inplace using two 3mm x 15mm wood screws.(spinner is not included).

INSTALLING THE SPINNER.

1.5mm wire(needle valve).

3mm X 10mm(6pcs).


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3) Slide the stabilizer into place in the pre-cut slot in the rear of the fuselage. The stabi-lizer should be pushed firmly against the frontof the slot.

4) With the stabilizer held firmly in place,use a pen and draw lines onto the stabilizerwhere it and the fuselage sides meet. Do thison both the right and left sides and top andbottom of the stabilizer.

5) Remove the stabilizer. Using the linesyou just drew as a guide, carefully remove thecovering from between them using a model-ing knife.

2) Install the rubber grommets and brasscollets onto the elevator and rudder servo. Testfit the servo into the aileron servo mount.

3) Secure the servos with the screws pro-vided with your radio system.

Because the size of servos differ, you mayneed to adjust the size of the precut openingin the mount. The notch in the sides of themount allow the servo lead to pass through.

HORIZONTAL STABILIZER.

2) Using a modeling knife, carefully re-move the covering at mounting slot of horizon-tal stabilizer ( both side of fuselage).

1) Using a ruler and a pen, locate thecenterline of the horizontal stabilizer, at the trail-ing edge, and place a mark. Use a triangleand extend this mark, from back to front,across the top of the stabilizer. Also extendthis mark down the back of the trailing edge ofthe stabilizer.

Left side.

Elevator servo.

Right side.

Elevatorservo. Rudder servo.

Center line.

Remove covering.

Pen.

1) Locate and cut out the covering film fromthe servo holes in both sides of fuselage.

ELEVATOR - RUDDER SERVOINSTALLATION.

Remove covering.


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When cutting through the coveringto remove it, cut with only enough pres-sure to only cut through the covering it-self. Cutting into the balsa structure mayweaken it.

6) Using a modeling knife, carefully re-move the covering that overlaps the stabilizermounting platform sides in the fuselage. Re-move the covering from both the top and thebottom of the platform sides.

7) When you are sure that everything isaligned correctly, mix up a generous amountof 30 Minute Epoxy. Apply a thin layer to thetop and bottom of the stabilizer mounting areaand to the stabilizer mounting platform sidesin the fuselage. Slide the stabilizer in placeand realign. Double check all of your mea-surements once more before the epoxy cures.Hold the stabilizer in place with T-pins or mask-ing tape and remove any excess epoxy usinga paper towel and rubbing alcohol.

VERTICAL STABILIZERINSTALLATION.

1) Using a modeling knife, remove thecovering from over the precut hinge slot cutinto the lower rear portion of the fuselage. Thisslot accepts the lower rudder hinge.

8) After the epoxy has fully cured, re-move the masking tape or T-pins used to holdthe stabilizer in place. Carefully inspect theglue joints. Use more epoxy to fill in any gapsthat may exist that were not filled previouslyand clean up the excess using a paper toweland rubbing alcohol.

2) Slide the vertical stabilizer into the slotin the top of the fuselage. The rear edge ofthe stabilizer should be flush with the rear edgeof the fuselage and the lower rudder hingeshould engage the precut hinge slot in thelower fuselage. The bottom edge of the stabi-lizer should also be firmly pushed against thetop of the horizontal stabilizer.

Remove covering.

Covered woodfiller piece.

Hinge.

Hinge slot.

Remove covering.


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6) When you are sure that everything isaligned correctly, mix up a generous amount ofFlash 30 Minute Epoxy. Apply a thin layer to themounting slot in the top of the fuselage and tothe sides and bottom of the vertical stabilizermounting area. Apply epoxy to the bottom andtop edges of the filler block and to the lowerhinge also. Set the stabilizer in place and re-align. Double check all of your measurementsonce more before the epoxy cures. Hold thestabilizer in place with T-pins or masking tapeand remove any excess epoxy using a papertowel and rubbing alcohol. Allow the epoxy tofully cure before proceeding.

CONTROL HORN INSTALLATION.

1) Locate the two nylon control horns, twonylon control horn backplates and fourmachine screws.

3) While holding the vertical stabilizerfirmly in place, use a pen and draw a line oneach side of the vertical stabilizer where itmeets the top of the fuselage.

4) Remove the stabilizer. Using a mod-eling knife, remove the covering from belowthe lines you drew. Also remove the coveringfrom the bottom edge of the stabilizer and thebottom and top edges of the filler block. Leavethe covering in place on the sides of the fillerblock.

When cutting through the covering toremove it, cut with only enough pressureto only cut through the covering itself. Cut-ting into the balsa structure may weakenit.

5) Slide the vertical stabilizer back inplace. Using a triangle, check to ensure thatthe vertical stabilizer is aligned 90º to the hori-zontal stabilizer.

90º

VerticalStabilizer.Horizontal

Stabilizer.

Pen.

Remove covering.

C/A glue.


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2) Position the elevator horn on the bothside of elevator. The clevis attachment holesshould be positioned over the hinge line.

Control Horn.

Mounting Screws. Mounting Plate.

3) Using a 1.5mm drill bit and the controlhorns as a guide, drill the mounting holesthrough the elevator halves.

4) Mount the control horns by inserting thebolts through the control horn bases andelevator halves, then into the mountingbackplates. Do not overtighten the nuts or thebackplates may crush the wood.

5) Position the rudder control horn on theleft side of the airplane. Mount the control hornparallel with the horizontal stabilizer.

6) Install the rudder control horn using thesame method as with the elevator controlhorns.

Elevator - rudder pushrods assembly followpictures below.

ELEVATOR-RUDDER PUSHRODINSTALLATION.

2mm x 20 mm.

11.8cm.

Rudder pushrod.

Elevator pushrod.

10.8cm.

Elevator control horn.

C/A glue.

Left side.

Elevator control horn.

Rudder control horn.


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MOUNTING THE TAIL WHEEL BRACKET.

MOUNTING THE CONTROL CLASP.

See pictures below:

1) Set the tail wheel assembly in place onthe plywood plate. The pivot point of the tailwheel wire should be even with the rudderhinge line and the tail wheel bracket shouldbe centered on the plywood plate.

2 Using a pen, mark the locations of thetwo mounting screws. Remove the tail wheelbracket and drill 1mm pilot holes at the loca-tions marked.

3) Secure the tail wheel bracket in placeusing two 3mm x 12mm wood screws. Becareful not to overtighten the screws.

INSTALLING TAIL STRUT SYSTEM.

Tail strut system assembly follow picturesbelow.

Control clasp.2 screws.

2mm X 20mm.

3.2mm drill bit.

Right side.


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THROTTLE SERVO INSTALLATION.

1) Install adjustable servo connector in theservo arm.

INSTALLING THE FUSELAGE SERVO.

3x10mm.

Throttle servo.

INSTALLING THE SWITCH.

Install the switch into the precut hole in theservo tray, in the fuselage, from the bottom.Use the two screws provided with the switchto secure it in place. Drill two 3/32” holesthrough the tray for the screws to passthrough.

Switch.

3/ 32” Hole.


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Throttle.

1) Plug the six servo leads and the switchlead into the receiver. Plug the battery packlead into the switch also.

2) Wrap the receiver and battery pack inthe protective foam rubber to protect themfrom vibration.

3) Route the antenna in the antenna tubeinside the fuselage and secure it to the bot-tom of fuselage using a plastic tape. See pic-ture below.

INSTALLING THE RECEIVER.

Receiver.

Antenna.

Antenna tube.

Antenna.

3) Secure the servos with the screws pro-vided with your radio system.

4) Install the pushrod throttle.

Because the size of servos differ, you mayneed to adjust the size of the precut openingin the mount. The notch in the sides of themount allow the servo lead to pass through.

2) Install the rubber grommets and brasscollets onto the throttle servo. Test fit the servointo the aileron servo mount.

Adjustable Servo connector.

Servo arm.


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ATTACHMENT WING-FUSELAGE.

See picture below:

Attach the aluminium tube into fuselage.

Insert two wing panels as pictures below:

correct this, move the battery and receiver for-ward orif this is not possible, stick weight ontothe firewall or use a brass heavy hub spinnerhub, similar to those offered by Harry Higley.When balanced correctly, the airplane shouldsit level or slightly nose down when you lift itup with your fingers.

CONTROL THROWS.

1) It is critical that your airplane be bal-anced correctly. Improper balance will causeyour plane to lose control and crash. The cen-ter of gravity is locate100-110mm back fromthe leading edge of the wing, measured at thefuselage.

2) If the nose of the plane falls, the planeis nose heavy. To correct this first move thebattery pack further back in the fuselage. Ifthis is not possible or does not correct it, sticksmall amounts of lead weight on the fuselagesides under the horizontal stabilizer. If the tailof the plane falls, the plane is tail heavy. To

BALANCING.

Remove covering.

Wingbolts.

1) We highly recommend setting up theEDGE 540 using the control throws listed atright. We have listed control throws for bothLow Rate (initial test flying/sport flying) andHigh Rate (aerobatic flying).


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INITIAL FLYING/SPORT FLYING

Do not use the aerobatic settings for ini-tial test flying or sport flying.

Ailerons: 5/8” up 1/2” down Elevator: 3/4” up 3/4” down Rudder: 2 1/2” right and left

AEROBATIC FLYING Ailerons: 1” up 7/8” down Elevator: 1 1/4” up 1 1/4”down Rudder: 3 1/2” right and left

4) By moving the position of the adjust-able control horn out from the control surface,you will decrease the amount of throw of thatcontrol surface. Moving the adjustable con-trol horn toward the control surface will in-crease the amount of throw.

A) Check the operation and direction ofthe elevator, rudder, ailerons and throttle.

B) Plug in your radio system per themanufacturer's instructions and turn every-thing on.

C) Check the elevator first. Pull back onthe elevator stick. The elevator halves shouldmove up. If it they do not, flip the servo re-versing switch on your transmitter to changethe direction.

D) Check the rudder. Looking from be-hind the airplane, move the rudder stick to theright. The rudder should move to the right. If itdoes not, flip the servo reversing switch onyour transmitter to change the direction.

E) Check the throttle. Moving the throttlestick forward should open the carburetor bar-rel. If it does not, flip the servo reversing switchon your transmitter to change the direction.

PREFLIGHT CHECK.

1) Completely charge your transmitterand receiver batteries before your first day offlying.

2) Check every bolt and every glue jointin the EDGE 540 to ensure that everything istight and well bonded.

3) Double check the balance of the air-plane. Do this with the fuel tank empty.

F) From behind the airplane, look at theaileron on the right wing half. Move the aileronstick to the right. The right aileron should moveup and the other aileron should move down. Ifit does not, flip the servo reversing switch onyour transmitter to change the direction.

4) Check the control surfaces. All shouldmove in the correct direction and not bind inany way.

5) If your radio transmitter is equippedwith dual rate switches double check that theyare on the low rate setting for your first fewflights.

6) Check to ensure the control surfacesare moving the proper amount for both lowand high rate settings.

8) Properly balance the propeller. An outof balance propeller will cause excessive vi-bration which could lead to engine and/or air-frame failure.

We wish you many safe and enjoy-able flights with your EDGE 540.

7) Check the receiver antenna. It shouldbe fully extended and not coiled up inside thefuselage.

FLIGHT PREPARATION.

3) When the elevator, rudder and aileroncontrol surfaces are centered, use a ruler andcheck the amount of the control throw in eachsurface. The control throws should bemeasured at the widest point of each sur-face!

2) Turn on the radio system, and with thetrim tabs on the transmitter in neutral, centerthe control surfaces by making adjustmentsto the clevises or adjustable servo connec-tors. The servo arms should be centered also.


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hand-made almost ready to fly r/c model aircraft assembly manual

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