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SILENCE TWISTER

.

                                            

              Instruction Manual.

20

INSTALLING THE HORIZONTAL STABILIZER.

Draw center line.

1) Using a ruler and a pen, locate the

centerline of the horizontal stabilizer, at  the
trailing edge, and place a mark.  Use a triangle
and extend this mark, from back to front,
across the top of the stabilizer.  Also extend
this mark down the back of the trailing edge of
the stabilizer.

2) Using a modeling knife, carefully remove

the covering at  mounting  slot of horizontal
stabilizer.

INSTALLING THE SPINNER.

  

 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.

speed control.

5)  Attach the speed control to the side of the
motor box using two-sided tape and tie wraps.
Connect the appropriate leads from the speed
control to the motor. Make sure the leads will
not interfere with the operation of the motor.

Tie wraps.

4)  Locate the plywood battery tray to the
fuselage.

Battery.

Balsa stick.

140mm.

Epoxy.

Summary of Contents for Silence Twister

Page 1: ... conversion optional The Seagull Silence Twister is a scale model of a home built aircraft which is currently in production by the Silence Aircraft factory in Germany With it s unique elliptical wing shape which is very reminiscent of the famous Spitfire the Twister captures the magnificent aerobatic characteristics of the Spitfire with the appearance and performance of a modern day pleasure craft...

Page 2: ...n manual is designed to help you build a great flying aeroplane Please read this manual thoroughly before starting assembly of your SILENCE TWISTER Use the parts listing below to identify all parts WARNING Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is capable of causing injury to people or property WHEN YOU FLY THIS AEROPLANE YOU ASSUME ALL RISK RESPON...

Page 3: ... or electric drill Assorted drill bits Modellingknife 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 KIT CONTENTS 1 Fuselage 2 Canopy 3 Left wing panel 4 Right wing panel 5 Tail set 6 Aluminum wing tube 7 Scale pilot 8 Fiberglass cowl 9 Main landing gear 10 EP conversion pack...

Page 4: ...that follow using a high quality thin C A glue 2 Remove each hinge from the wing panel and aileron and place a T pin in the center of each hinge Slide each hinge into the aileron until the T pin is snug against the aileron This will 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 Hinge T pin 3 Slide th...

Page 5: ...erial 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 Note 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 5 Turn the wing panel over and deflect the aileron in the opposite direction from the opposite side...

Page 6: ...SILENCE TWISTER Instruction Manual 6 INSTALL FLAP CONTROL HORN Flap control horn Aileron control horn INSTALL THE AILERONS CONTROL HORN Epoxy INSTALL ELEVATOR CONTROL HORN Epoxy Epoxy Epoxy Epoxy ...

Page 7: ...N 1 Locate the items necessary to install the engine mount included with your model 2 Use four M4x30mm head bolts and four 4mm washers to attach the engine mount rails to the firewall Tighten the screws Make sure to use threadlock on the screws to help prevent them from vibrating loose M4x30mm 0 75 0 91 2 STROKE 5 5mm 5 5mm ...

Page 8: ...SILENCE TWISTER Instruction Manual 8 Blind nut Thread locker glue 5 5mm 5 5mm Blind nut Thread locker glue 0 91 1 20 4 STROKE ...

Page 9: ...ent tube Fuel pick up tube Fuel fill tube 3 Carefully bend the second nylon tube up at a 45º angle This tube is the vent tube 5 With the stopper assembly in place the weighted pick up should rest away from the rear of 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 alignme...

Page 10: ... tube Fuel fill tube C A glue Fuel tank 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 A Fuel tank INSTALLING THE FUSELAGE SERVOS 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 you...

Page 11: ...o arm Trim and cut Switch String Small weight INSTALLING THE AILERON FLAP SERVOS Servos Small weight Thread 1 Using a small weight Weighted fuel pick up works well and string feed the string through the wing as indicated 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 ...

Page 12: ...al floss to secure the connection so they cannot become unplugged 7 Apply 1 2 drops of thin C A to each of the mounting tabs Allow the C A to cure without using accelerator 4 Apply 2 3 drops of thin C A to each of the mounting holes Allow the C A to cure without using accelerator C A glue 2 Place the servo between the mounting blocks and space it from the hatch Use a pencil to mark the mounting ho...

Page 13: ... servo 140mm 2 Use a pin drill and 4mm drill bit to drill a small indentation in the mount for the engine mounting screw MOUNTING THE ENGINE 1 Position the engine with the drive washer 140mm forward of the firewall as shown ENGINE 75 91 2 STROKE ...

Page 14: ...etween 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 carburetor arm Machine screw M4x30mm Pushrod wire 4 5mm 4mm 3 Use a drill to ...

Page 15: ...unts 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 carburetor arm Machine screw M4x30mm 4 5mm 3 Use a drill to drill the four holes in the en...

Page 16: ...th the marks you made on the fuselage then trim and cut as shown 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 Because of the size of the cowl it may be nec essary to use a needle valve extension for the high s...

Page 17: ...1 2 4 STROKE Trim and cut Trim and cut 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 opening Use the spinner backplate as a guide Hold the cowl firmly in place using pieces of masking tape Because of the size of...

Page 18: ... epoxy and balsa stick to secure the motor box to the firewall Please see pictures below ELECTRIC POWER CONVERSION 1 Locate the items neccessary to install the electric power conversion included with your model 3 Install the muffler and muffler extension onto the engine and make the cutout in the cowl for muffler clearance Connect the fuel and pressure lines to the carburetor muffler and fuel fill...

Page 19: ...odels com 5 2mm 5 2mm Blind nut M4x20mm 4mm M3x15mm 3 Attach the motor to the front of the electric motor box using four 4mm blind nut four M3x15mm hex head bolts to secure the motor Please see picture shown Blind nut ...

Page 20: ...nting slot of horizontal stabilizer INSTALLING THE SPINNER 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 speed control 5 Attach the speed control to the side of the motor box using two sided tape and tie w...

Page 21: ...n the horizontal stabilizer with the wing When viewed from the rear the hori zontal stabilizer should be level with the wing If it is not level use sandpaper and sand down the high side of the stabilizer mounting plat form until the proper alignment is achieved The tips of the stabilizer should also be equal distance from the tips of the wing 3 Put the stabilizer into place in the position of the ...

Page 22: ...or T pins used to hold the stabilizer in place Carefully inspect the glue joints Use more epoxy to fill in any gaps that may exist that were not filled previously and clean up the excess using a paper towel and rubbing alcohol Remove covering Fill epoxy 1 Using a modeling knife remove the covering from over the precut hinge slot cut into the lower rear portion of the tail at the fu selage 2 While ...

Page 23: ... the filler block and to the lower hinge also Set 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 masking tape and remove any excess epoxy using a paper towel and rubbing alcohol Allow the ep oxy to fully cure before proceeding C A glue A AILERON PUSHROD HORN INSTALLATION Mark Pen A 1 Mark the c...

Page 24: ... install tail wheel Wing M2 lock nut 2 Make a 90 degree bend at the mark and cut off the excess wire leaving 8mm past the bend Wing Aileron M2 lock nut Snap keeper Servo arm 3 Connect the linkage as shown and secure the control wire with a snap keeper 8mm Snap keeper M2 lock nut Metal clevis Aileron Wing Aileron Repeat the procedure for the other aileron servo Wing ...

Page 25: ...25 www seagullmodels com M3x25mm C A glue M3x4mm ...

Page 26: ...e same method as with the aileron control horns 2 Position the elevator control horn on the both side of elevator Rudder control horn 4 Elevator and rudder pushrods assembly as pictures below 3 Thread one clevis and M2 lock nut on to each elevator control rod Thread the horns on until they are flush with the ends of the con trol rods 495mm Cut Control horn M2 lock nut Metal clevis Elevator pushrod...

Page 27: ...27 www seagullmodels com 8mm 8mm RUDDER PUSHROD HORN INSTALLATION 8mm M2 lock nut M2 clevis Pen 8mm Wire keeper Rudder control horn Elevator control horn ...

Page 28: ...SILENCE TWISTER Instruction Manual 28 Pen 8mm Cut Wire keeper Control horn M2 lock nut Metal clevis Elevator pushrod Rudder pushrod ...

Page 29: ...e bottom of the wing for retracts landing gear installation 220mm 200mm INSTALLING RETRACTABLE LANDING GEAR OPTIONAL 1 Locate the items necessary to install the retracts landing gear and retract linkage instal lation included Cut Cut 1 5mm 1 5mm M3x12mm ...

Page 30: ...SILENCE TWISTER Instruction Manual 30 Epoxy Epoxy Metal clevis 220mm 200mm ...

Page 31: ...d free from oily fingerprints and dust Position decal on the model where desired using the photos on the box and aid in their location 2 If all the decals are not precut please use scissors or a sharp hobby knife to cut the decals from the sheet Please be certain the model is clean and free from oily fingerprints and dust Position decal on the model where desired using the photos on the box and ai...

Page 32: ...ery INSTALLING THE BATTERY RECEIVER 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 33: ...elage all parts of the model installed ready to fly and empty fuel tanks hold the model at the marked balance point with the stabilizer level Lift the model If the tail drops when you lift the model is tail heavy and you must add weigh to the nose If the nose drops it is nose heavy and you must add weight to the tail to balance Accurately mark the balance point on the top of the wing on both sides...

Page 34: ...mm down Elevator 15mm up 15mm down Rudder 10mm left 10mm right Ailerons 15mm up 15mm down Elevator 20mm up 20mm down Rudder 15mm left 15mm right INITIAL FLYING SPORT FLYING AEROBATIC FLYING Do not use the aerobatic setting for initial test flying or sport flying INITIAL FLYING SPORT FLYING ...

Page 35: ...afe and enjoyable flights with your SILENCE TWISTER PREFLIGHT CHECK D Check the throttle Moving the throttle stick forward should open the carbu retor barrel If it does not flip the servo re versing switch on your transmitter to change the direction E 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 oth...

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