Seagull Models SEA 71 Assembly Manual Download Page 11 | Manualshive

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11

Repeat the procedure for other aileron.

AILERON PUSHROD INSTALLATION.

Center the servo using the radio system.

M lock

3

Metal Levis.

1) Using a modeling knife, remove the

covering from over the two main gear mount-
ing slots located in the bottom of the wing.

2) Insert the 90º bend of one main gear

wire and support mounting block into the pre-
drilled hole in one mounting slot.

Support
mounting block.

Remove
covering.

Loctite secure.

Aileron pushrods assembly follow pictures

below.

Pushrod L= 114mm.

INSTALLING THE MAIN GEAR WIRES.

3 x 15mm.

Pen.

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Summary of Contents for SEA 71

Page 1: ...hoto illustratedstep by stepAssemblyManual Specifications Wingspan 70 9 in 180cm Wing area 945 5 sq in 61 sq dm Approximate flying weight 10 6 11 5 lbs 4 8 5 2kg Length 61 3in 155cm Recommended engine size 1 6 cu in 2 stroke 1 8 2 0 cu in 4 stroke Radio System required 4 channels with 6 digital servos karbonite or metal gear Flying skill level Intermediate advanced Item code 71 ...

Page 2: ...experienced 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 1 6 cu in 2 stroke engine 1 8...

Page 3: ...he wing panel This will help ensure an equal amount of hinge is on either side of the hinge line when the aileron is mounted to the aileron HINGING THE AILERONS 3 Slide the wing panel on the 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...

Page 4: ...e 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 paper towel remove any excess C A glue that may have accumulated on the wing or in the aileron hinge area HINGING THE RUDDER Glue the elevator hinges in place using the same tectniques used to hinge the ailerons Glue the rudder hinges in place using t...

Page 5: ...the tank and move freely inside the tank The 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 satisfied with the alignment of the stopper assembly tighten the 3 x 20mm machine screw until the rubber stopper ex pands and seals the tank opening Do not overtighten the assembly as this could cause the tank to split 2 Using a modeling knife ...

Page 6: ...en you are satisfied with the align ment mark the locations of the engine mounting 1 Install the pushrod housing through the predrilled hole in the firewall and into the servo compartment The pushrod housing should protrude 1 4 out past the front of the firewall Make a Z Bend 1 4 from one end of the plain wire pushrod MOUNTING THE ENGINE 2 Install the pushrod throttle Adjustable Servo connector Se...

Page 7: ... Pushrod wire COWLING INSTALLATION 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 2 While keeping the back edge of the cowl flush with the marks align the front of the cowl with the crankshaft of the engine The front of the cowl should be positioned so the crankshaft is in nearly the middle of the cowl op...

Page 8: ...owl for muffler clearance Connect the fuel and pressure lines to the carburetor muffler and fuel filler valve Secure the cowl to fuse lage using the 3x15mm screws 4 1 Install the rubber grommets and brass collets onto the throttle servo Test fit the servo into the aileron servo mount 2 Secure the servos with the screws pro vided with your radio system Because the size of servos differ you may need...

Page 9: ...ALLING THE AILERON SERVOS Using a small weight Weighted fuel pick up works well and string feed the string through the wing as indicated Servos Small weight String Small weight String String Electric wire Switch INSTALLING THE SWITCH Install the switch into the precut hole in the side of the fuselage String Small weight Because the size of servos differ you may need to adjust the size of the precu...

Page 10: ...nd the 3x45mm control horn screw AILERON CONTROL HORN INSTALLATION 3x45mm 3 2mm M lock nut 3 Wing bottom M nut 3 control horn Aluminium washer Pre drill at factory Aileron Electric Plastic tape Aileron control horn String Wing Aileron 2 Thread the screw insert the washer into the hole from the top of surface Wipe away any excess epoxy on the wing and screw with rubbing alcohol and a paper towel Sc...

Page 11: ...e remove the covering from over the two main gear mount ing slots located in the bottom of the wing 2 Insert the 90º bend of one main gear wire and support mounting block into the pre drilled hole in one mounting slot Support mounting block Remove covering Loctite secure Aileron pushrods assembly follow pictures below Pushrod L 114mm INSTALLING THE MAIN GEAR WIRES 3 x 15mm Pen ...

Page 12: ... into the wing for the wood screws 3 The landing gear wire is held in place using two nylon landing gear straps and four 3mm x 15mm wood screws The straps should be located equal dis tance from the inside and outside ends of the wire 4 Using the two landing gear straps as a guide mark the locations of the four 3 x 15mm mounting screws onto the wing sur face 1 5mm 1 5mm Epoxy glue Machine screw 3 x...

Page 13: ...to the centreline that you drew If not use 220 grit sandpaper with a sanding block and sand down the edges and ends of the brace until it fits properly Glue Masking tape Be careful do not to drill through the top of the wing 3x15mm Glue Machine screw 3 x 15mm Epoxy WING ASSEMBLY NOTE We highly recommend using 30 minute epoxy as it is stronger and provides more working time allowing the builder to ...

Page 14: ...ute Epoxy Apply a thin layer to the top and bottom of the stabilizer mounting area and to the stabilizer mounting platform sides in the fuselage Put the stabilizer in place and realign Double check all of your measure ments once more before the epoxy cures Hold the stabilizer in place with T pins or mask ing tape and remove any excess epoxy using a paper towel and rubbing alcohol Epoxy Epoxy Caref...

Page 15: ...xy into the cardboard horizontal fin Use enough epoxy to fill any gaps 3 Insert aluminium tube into the cardboard of fuselage ELEVATOR CONTROL HORN INSTALLATION 1 Install the elevator control horn using the same method as with the aileron control horns 2 Position the elevator control horn on the both side of elevator 2 sets 3x45mm Horizontal fin C A glue Hinge 4 Slide the two horizontal fin halves...

Page 16: ...ns on until they are flush with the ends of the con trol rods Pushrod L 210mm M lock 3 Metal Levis See pictures below RUDDER PULL PULL CABLE SYSTEM Elevator pushrod control horn RUDDER CONTROL HORN INSTALLATION Rudder control horn Using the same tectniques used aileron control horn See picture below 3 2mm Elevator control horn Right side ELEVATOR PUSHROD INSTALLATION ...

Page 17: ... when the rudder servo is centered the rudder is centered as well There will be tension on the cables Adjustments can be made at the rudder control horn and at the servo arm Once adjustments are made secure the servo arm to the rudder arm servo using the screw that came with the servo 3x25mm Cable Control horn Metal clevis Pushrod Right side M3x10mm Spring Cable wire ...

Page 18: ...ash The center of gravity is located 11 5cm back from the lead ing edge of the wing measured at the wing tip Bolt the wing to fuselage ATTACHMENT WING FUSELAGE Antenna Wing bolt Receiver Tie Wrap 1 Plug the servo leads and the switch lead into the receiver Plug the battery pack lead into the switch also 2 Wrap the receiver and battery pack in the protective foam rubber to protect them from vibrati...

Page 19: ...t B Plug in your radio system per the manufacturer s instructions and turn every thing on 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 it does not flip the servo reversing switch on your transmitter to change the direction E Check the throttle Moving the throttle ...

Page 20: ...laims Further Horizon reserves the right to change or modify this warranty without notice and disclaims all other warranties express or implied b Limitations HORIZON MAKES NO WARRANTY OR REPRESENTATION EXPRESS OR IMPLIED ABOUT NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCT THE PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY...

Page 21: ...upport 4105 Fieldstone Road Champaign Illinois 61822 Please call 877 504 0233 with any questions or concerns regarding this product or warranty Inspection or Repairs If this Product needs to be inspected or repaired please call for a Return Merchandise Authorization RMA Pack the Product securely using a shipping carton Please note that original boxes may be included but are not designed to withsta...

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