Seagull Models SEA138, Assembly Manual

Page 1: ...3sq in 41 5sqdm Weight 5 5 6 2lbs 2 5 2 8kg Length 45 8in 116 4cm Engine 0 40 0 55cu in 2stroke 0 72 0 82cu in 4 stroke Radio 4channelswith4servos Eletricconversion optional ASSEMBLY MANUAL MS 138 Graphics and specifications may change without notice ...

Page 2: ...our 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 0 40 0 55 2 stroke 0 72 0 82 4 stroke 4 channel radio with four servos Glow plug to suit engine Pr...

Page 3: ...aileron 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 1 Carefully remove the aileron from one of the wing panels Note the position of the hinges C A glue 4 Deflect the aileron and completely saturate each hinge with t...

Page 4: ... 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 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 Work the aileron up and down several times to work in the hin...

Page 5: ...5 Instruction Manual M2x12mm INSTALLING THE AILERON SERVO MOUNT M2x12mm M2x12mm ...

Page 6: ... and use a screwdrive to secure the landing gear to the fuselage using bolts M4x20mm and washers Make sure to use the threadlock on the bolts so they don t vibrate loose 8mm Wire keeper INSTALLING THEAILERON LINKAGE INSTALLING THE AILERON SERVO Install the aileron servo into the servo mount with the output shaft towards the lead ing edge of the wing using the wood screws provided with your radio s...

Page 7: ...from the tank through the hole in the firewall Steering arm Pushrod wire 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 difficult to determine which is which FUEL TANK INSTALLATION A B ...

Page 8: ...d with your radio system Because the size of servos differ you may need to adjust the size of the precut open ing in the mount The notch in the sides of the mount allow the servo lead to pass through Rudder servo Elevator servo Throttle servo Blow through one of the lines to en sure the fuel lines have not become kinked inside the fuel tank compartment Air should flow through easily 2 Use balsa pl...

Page 9: ...o Rudder servo 3 32 Hole INSTALLING THE SWITCH Install the switch into the precut hole in the side in the fuselage 3 Use a drill to drill the four holes in the engine mount rails Switch MOUNTING THE ENGINE 110mm ENGENE 46 55 2 STROKE 1 Position the engine with the drive washer 110mm forward of the firewall as shown 2 Use a pin drill and 2mm drill bit to drill a small indentation in the mount for t...

Page 10: ...ake sure to use threadlock on the screw so it does not vibrate loose 4 On the fire wall has the location for the throttle pusshrod tube pre drill 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 5 Slide the pushrod tube in the firewall and guide it through the fuel tank mount Use medium...

Page 11: ...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 5 Slide the pushrod tube in the firewall and guide it through the fuel tank mount Use medium C A to glue the tube to the firewall and the fuel tank mount 6 Connect the Z bend in the 450mm throttle pushrod to the outer hole of the carburet...

Page 12: ...TRIC POWER CONVERSION 1 Locate the items neccessary to install the electric power conversion included with your model 9 Move the throttle stick to the closed position and move the carburetor to closed Use a 2 5mm hex wrench to tighten the screw that secures the throttle pushrod wire Make sure to use threadlock on the screw so it does not vibrate loose Model size 35 45 size models Motor 35mm 830 re...

Page 13: ...13 Instruction Manual M4x70mm Blind nut Blind nut M4x15mm Battery Speed control ...

Page 14: ... fuselage 3 Secure the tail assembly to the fuse lage using three 3mm washers and three 3mm locknuts Do not overtighten the nuts and crush the fuselage Install the spinner backplate propeller and spinner cone 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 propeller comes in contact with it INSTALL...

Page 15: ...15 Instruction Manual ELEVATOR PUSHROD HORN INSTALLATION Pen Elevator control horn Elevator pushrod Control horn M3 lock nut Control horn Rudder pushrod RUDDER PUSHROD HORN INSTALLATION 8mm Pen ...

Page 16: ...RAND BATTERY 1 Plug the five servo leads and the switch lead into the receiver Plug the battery pack lead into the switch also 3 Route the antenna in the antenna tube inside the fuselage and secure it to the bottom of fuselage using a plastic tape 2 Wrap the receiver and battery pack in the protective foam rubber to protect them from vibration ...

Page 17: ...n you are happy with the fit fill the hole with epoxy and use CA to glue in the rudder hinges INSTALLING THE MAIN GEAR WIRES 1 The blind nuts for securing the landing gear are already mounted inside the fuselage 2 Using the hardware provided mount the main landing gear to the fuselage 3 Place the fuselage inverted on the work bench in a suitable stand Set the landing gear in place and use a screwd...

Page 18: ... AT THE WING ROOT 3 Turn the airplane upside down Place your fingers on the masking tape and carefully lift the plane 2 Mount the wing to the fuselage Using a couple of pieces of masking tape place them on the top side of the wing 65 mm back from the leading edge of the wing at the wing root Accurately mark the balance point on the top of the wing on both sides of the fuselage The balance point is...

Page 19: ...pletely charge your transmitter and receiver batteries before your first day of flying 2 Check every bolt and every glue joint in the SWIFT40 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 4 Check the control surfaces All should move in the correct direction and not bind in any way 5 If your radio transmitter is equip...