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Seagull Models Sparrow Hawk SEA-93, Instruction Manual

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Seagull Models Sparrow Hawk SEA-93 Instruction Manual Download Page 17

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17

INSTALLING THE VERTICAL STABILIZER.

Put the vertical stabilizer into the in the top

of the horizontal fin.  The bottom edge of the
stabilizer should also be firmly pushed against
the top of the horizontal stabilizer.

Masking tape.

Remove covering.

Fill epoxy.

Epoxy.

Horizontal

Stabilizer.

90º

Vertical

Stabilizer.

Summary of Contents for Sparrow Hawk SEA-93

Page 1: ...oto illustratedstep by stepAssemblyManual Specifications Wingspan 63 in 160cm Wing area 746 6 sq in 48 2 sq dm Approximate flying weight 7 9 8 8 lbs 3 6 4kg Length 54 7in 139cm Recommended engine size 0 61 0 75 cu in 2 stroke 1 00 1 10 cu in 4 stroke ELECTRIC CONVERSION OPTIONAL Radio System required 4 channels with 6 servos Flying skill level Intermediate advanced SPARROW HAWK ...

Page 2: ...f 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 0 61 0 75 cu in 2...

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: ...ide 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 techniques used to hinge the ailerons Glue the rudder hinges in place using the ...

Page 5: ...Elevator control horn Wing bottom Rudder control horn Using the same techniques used aileron control horn See picture below 18mm EPOXY RUDDER CONTROL HORN Fuselage Rudder Aileron control horn 2 sets 3x40mm Aluminum Washer M3 LOCK NUT Epoxy Aluminum Washer Aluminum Washer CONTRONL HORN M3 M3 LOCK NUT Epoxy Aluminum Washer Fuselage Rudder CONTRONL HORN M3 Horizontal Stabilizer Aileron ...

Page 6: ...nife carefully cut off the rear portion of one of the 3 nylon tubes leaving 1 2 protruding from the rear of the stopper This will be the fuel pick up tube INSTALLING THE STOPPER ASSEMBLY 3 Carefully bend the second nylon tube up at a 45º angle This tube is the vent tube 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 oth...

Page 7: ...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 Carefully use a lighter or heat gun to permenently set the angle of the vent tube Important When the stopper assembly is in stalled in the tank the top of the vent tube should rest just below the top surface of th...

Page 8: ...overing Pen Support mounting block possition cut Support mounting block Remove covering Epoxy glue Fuel pick up tube Fuel fill tube Vent tube Blow through one of the lines to ensure the fuel lines have not become kinked in side the fuel tank compartment Air should flow through easily ...

Page 9: ...www seagullmodels com 9 1 5mm 1 5mm 3x10mm 3x15mm Machine screw 3 x 15 mm Wheel collar Landing gear Wheel 1 5mm Glue Machine screw M3 x 10mm ...

Page 10: ...ns of the engine mounting 4 2 mm diameter 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 Pushrod wire Trim and cut 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...

Page 11: ...wl 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 opening Use the spinner backplate as a guide Hold the cowl firmly in place using pieces of masking tape Trim and cut Trim and cut 3 Install the muffler and muffler extension onto the engine and make the cut out in the cowl for muffler clearance Connect the fuel and ...

Page 12: ...Instruction Manual 12 Aluminum spacers Aluminum tube M5 x 100mm M5 x 100mm 135mm A M3 x 15mm Battery hatch Cut 2 1 M5 nut Electric motor Aluminum tube B B B B Electric motor Aluminum spacers Aluminum tube B A 4 sets ...

Page 13: ...inner backplate propeller and spinner cone SPINNER INSTALLATION 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 Needlevalve 5mm Battery hatch 2 2 1 C A glue M3 x 15mm M3 x 15mm 1 ...

Page 14: ...rvo Elevator servo Rudder servo Installing the aileron servo in place using the same techniques used to flap servo INSTALLING THE AILERON SERVOS Servos Small weight Thread String Small weight Electric wire Aileron Servo Throttle servo arm Elevator servo Elevator servo Rudder servo INSTALLING THE FUSELAGE SERVO INSTALLING THE SWITCH Install the switch into the precut hole in the side of fuselage Sw...

Page 15: ...ing Small Weight Wing Wing rib String Small Weight AILERON PUSHROD HORN INSTALLATION Wing Aileron M2 lock nut M2 clevis 75mm 110mm Aileron Wing Wing Aileron Repeat the procedure for the other wing Wing Aileron M2 lock nut WING ASSEMBLY INSTALLING THE AILERON SERVOS Masking tape Aluminum tube diameter 19mm ...

Page 16: ...vering INSTALLING THE HORIZONTAL STABILIZER Center line Hinge slot Pen Remove covering Epoxy When cutting through the covering to remove it cut with only enough pressure to only cut through the covering itself Cut ting into the balsa structure may weaken it Epoxy ...

Page 17: ...the vertical stabilizer into the in the top of the horizontal fin The bottom edge of the stabilizer should also be firmly pushed against the top of the horizontal stabilizer Masking tape Remove covering Fill epoxy Epoxy Horizontal Stabilizer 90º Vertical Stabilizer ...

Page 18: ... PUSHROD HORN INSTALLATION Elevator control horn Rudder control horn 1 Elevator and rudder pushrods assembly follow pictures below Masking tape C A glue Hinge Attach to servo arm in fuselage Attach to elevator rudder control horn M2 clevis M2 Lock nut ...

Page 19: ...shrod Metal clevis Elevator pushrod M2 lock nut Elevator Elevator Rudder Throttle 2 Install servos arm to servos Notice the position of the servo arms on the servos See picture below Elevator Rudder Throttle MOUNTING THE TAIL WHEEL See picture below M3x25mm M3x10mm ...

Page 20: ...STALLING THE BATTERY RECEIVER 3 Route the antenna in the antenna tube inside the fuselage and secure it to the bot tom of fuselage using a plastic tape Receiver Antenna M3x30 mm 2 Wrap the receiver and battery pack in the protective foam rubber to protect them from vibration M3 x 6mm INSTALLATION PILOT Battery M3 x 10mm M3x25 mm M3x10 mm 22mm Rudder ...

Page 21: ...e battery and receiver forward or if this is not possible stick weight onto the firewall or use a brass heavy hub spin ner hub 2 If the nose of the plane falls the plane is nose heavy To correct this first move the bat tery 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 sides under the horizontal stabilizer If the...

Page 22: ... 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 stick forward should open the carburetor bar rel If it does not flip the servo reversing switch on your transmitter to change the direction D C...

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