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Seagull Models 540, Assembly Manual, Page: 1 / 26

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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

Summary of Contents for 540

Page 1: ... 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 6in 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 ...

Page 2: ...u 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 Gl...

Page 3: ... fit and are aligned properly before gluing This will ensure proper as sembly as the EDGE 540 is made from natural materials and minor ad justments 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 chemi cals including the following paint thinner cyano acrylate glue accel erator cyanoacrylategluede bonder and acetone Do not ...

Page 4: ... help ensure an equal amount of hinge is on either side of the hinge line when the aileron is mounted to the wing panel HINGING THE AILERONS 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 wing panel and aileron 7 Repeat this process with the other wing panel securely h...

Page 5: ...elevator to the horizontal stabilizer panel hinge line 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 5 Turn the horizontal stabilizer panel over and deflect the elevator in the opposite direction from the opposite side Apply thin CA...

Page 6: ...ely bonding it to the wood structure of the fuselage panel and rudder 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 HINGING THE RUDDER 8 After both elevator are secu...

Page 7: ...d 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 We recommended to use long servos arm for all servos without throttle servo 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 thr...

Page 8: ...ERON LINKAGE 1 Using a ruler pen to draw a straight line as below picture Install the aileron servo tray into the servo mount Repeat the procedure for orther wing haft Wing panel bottom Thread Electric wire Pull Plastic tape Aileron electric Pen Electric wire Thread ...

Page 9: ...h the wood 2 Locate the two nylon control horns two nylon control horn backplates and two ma chine screws Control Horn Mounting Screws Mounting Plate 3 Position the aileron horn on the bottom side of aileron The clevis attachment holes should be positioned over the hinge line 6 Thread one nylon adjustable control horn onto each aileron control rod Thread the horns on until they are flush with the ...

Page 10: ...pick up tube INSTALLING THE STOPPER ASSEMBLY FUEL TANK INSTALLING THE BATTERY ENGINE MOUNT Repeat the procedure for the other aileron servo See pictures below C A glue 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 This tube is ...

Page 11: ...d 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 difficult to determine which is which 6 When satisfied with the alignment of the stopper assembly tighten the 3mm x 20mm machine screw until the rubber stopper ex pands and seals the tank opening Do not overtighten the assembly ...

Page 12: ...tach the throttle arm to the car buretor 5 Bolt the engine to the engine mount using the four machine screws Double cheek that 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 engine mount at the four locations marked 2 Place your engine onto the engine mount Adjust the engine is centered of t...

Page 13: ...installation Wheel Collar Axle Wheel Nut Wheel Pant Landing Gear Nut 2 Washer 3 You have to trim each axle using a toll cutting and cut off wheel Caution when cutting the axles and wear protective goggles 10mm 46mm 2 Wheel Collar Axle Wheel Nut Nut 2 Washer Landing gear ...

Page 14: ...ioned so the crankshaft is in nearly the middle of the cowl opening Use the spinner backplate as a guide Hold the cowl firmly in place using pieces of masking tape COWLING 1 Slide the fiberglass cowl over the en gine and line up the back edge of the cowl with the marks you made on the fuselage then trim and cut 1 The blind nuts for securing the landing gear are already mounted inside the fuselage ...

Page 15: ... fuel and pressure lines to the carburetor muffler and fuel filler valve The propeller should not touch any part of the spinner cone If it does use a sharp modeling knife and carefully trim away the spinner cone where the pro peller comes in contact with it 1 Install the spinner backplate propeller and spinner cone The spinner cone is held in place using two 3mm x 15mm wood screws spinner is not i...

Page 16: ...with the screws pro vided 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 HORIZONTALSTABILIZER 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 th...

Page 17: ... mask ing tape and remove any excess epoxy using a paper towel and rubbing alcohol VERTICAL STABILIZER INSTALLATION 1 Using a modeling knife remove the covering from over the precut hinge slot cut into the lower rear portion of the fuselage This slot accepts the lower rudder hinge 8 After the epoxy has fully cured re move the masking tape or T pins used to hold the stabilizer in place Carefully in...

Page 18: ...control horns two nylon control horn backplates and four machine screws 3 While holding the vertical stabilizer firmly in place use a pen and draw a line on each side of the vertical stabilizer where it meets the top of the fuselage 4 Remove the stabilizer Using a mod eling knife remove the covering from below the lines you drew Also remove the covering from the bottom edge of the stabilizer and t...

Page 19: ...horn bases and elevator halves then into the mounting backplates Do not overtighten the nuts or the backplates may crush the wood 5 Position the rudder control horn on the left side of the airplane Mount the control horn parallel with the horizontal stabilizer 6 Install the rudder control horn using the same method as with the elevator control horns Elevator rudder pushrods assembly follow picture...

Page 20: ...he tail wheel bracket should be centered on the plywood plate 2 Using a pen mark the locations of the two mounting screws Remove the tail wheel bracket and drill 1mm pilot holes at the loca tions marked 3 Secure the tail wheel bracket in place using two 3mm x 12mm wood screws Be careful not to overtighten the screws INSTALLING TAIL STRUT SYSTEM Tail strut system assembly follow pictures below Cont...

Page 21: ...INSTALLING THE FUSELAGE SERVO 3x10mm Throttle servo INSTALLING THE SWITCH Install the switch into the precut hole in the servo tray in the fuselage from the bottom Use the two screws provided with the switch to secure it in place Drill two 3 32 holes through the tray for the screws to pass through Switch 3 32 Hole ...

Page 22: ...f 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 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 2 Install the...

Page 23: ... Improper balance will cause your plane to lose control and crash The cen ter of gravity is locate100 110mm back from the leading edge of the wing measured at the fuselage 2 If the nose of the plane falls the plane is nose heavy To correct this first move the battery pack further back in the fuselage If this is not possible or does not correct it stick small amounts of lead weight on the fuselage ...

Page 24: ...ies before your first day of flying 2 Check every bolt and every glue joint in the EDGE 540 to ensure that everything is tight 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 the aileron on the right wing half Move the aileron stick to the right The right aileron should move up and the other aileron should move down If...

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