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0.40-0.46 cu.in. displacement 2-stroke
0.48
-0.56
R
equire : -channel
Wing Span
Wing Area
Flying Weight
Fuselage Length
Warning !This model is not a toy.
It is designed for maximum performance. Please seek advice if one is not familiar with this kind
of engine powered precision model. Operating this model without prior preparation may cause
injuries. Remember, safety is the most important thing. Always keep this instruction manual at
hand for quick reference.
cu.in. displacement 4-stroke
s 4
and1miniservo
* Specifications are subject to change without notice.*
radiow/3standardservos
Specifications
42.0 in / 1060 mm
578 sq in / 37.3 sq dm
4.5 lbs / 2050 g
39.5 in / 1000 mm
ALMOST-READY-TO-FLY (ARF) SERIES
INSTRUCTION MANUAL
FACTORY PRE-FABRICATED
MADE IN CHINA

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Summary of Contents for TWM Ultimate-40S

  • Page 1 INSTRUCTION MANUAL 0.40-0.46 cu.in. displacement 2-stroke 0.48 -0.56 cu.in. displacement 4-stroke equire : -channel radiow/3standardservos and1miniservo Specifications Wing Span 42.0 in / 1060 mm Wing Area 578 sq in / 37.3 sq dm Flying Weight 4.5 lbs / 2050 g Fuselage Length 39.5 in / 1000 mm * Specifications are subject to change without notice.*...
  • Page 2: Before You Begin

    I N D E X BEFORE YOU BEGIN P. 1 PARTS LIST P. 2 ASSEMBLY P. 3 -11 SAFETY PRECAUTIONS P.11 BEFORE YOU BEGIN Read through the manual before you begin, so you will have an overall idea of what to do. Check all parts.
  • Page 3 Parts List 1. MAIN WING (Lower) --1 pair 15. PUSHROD CONECTOR -- 1 set PUSHROD Ø1.8x95mm (For Elevator Servo) -- 1 pc. 2. PLYWOOD 5x28x48mm (For Aileron Servo) -- 1 pc. PLYWOOD 3x100x103mm (For Fuselage Servo) -- 1 pc. RING Ø2.3mm -- 2 pcs BALSA 5x5x97mm (For Fueslage Servo Stand) -- 2 pcs 3.
  • Page 4: Aileron Servo

    A p p l y i n s t a n t t y p e C A g l u e t o b o t h s i d e s o f e a c h h i n g e . CABANE MOUNT CABANE MOUNT Aileron Servo (Lower) Plywood 5x28x48mm Ring Completed Aileron Servo (Lower) Straper TWM PL8210010 CLEVIS WRENCH Fuel Tube Ø6x5mm Pushrod Ø1.8x70mm Clevis Completed...
  • Page 5: Stabilizer & Elevator

    Main Wing (Upper) CABANE MOUNT CABANE MOUNT Bottom View Apply instant type CA glue to both sides of each hinge. Stabilizer & Elevator (Stabilizer) Temporary install the main wing, adjust leveling of the stabilizer to make it as Apply instant type CA glue to both sides parallel to the main wing as possible.
  • Page 6: Tail Landing Gear

    M3x3mm Set Screw Bottom View Ø1mm pilot holes for World Models tri-horn are pre-drilled. Elevator Pushrod Please look for pin-hole marks at under side of control surfaces. Screw PB2x12mm TWM PL8210010 CLEVIS WRENCH ≈46mm PB2x12mm Fuel Tube d2xD4x4mm Clevis Pushrod Ø1.8x440mm...
  • Page 7: Main Landing Gear

    Main Landing Gear M3x3mm Set Screw Washer Screw d4xD9mm PA2.6x6mm M3x16mm Mx 35mm Socket Head Screw M3x16mm Socket Head Screw M4x35mm d3xD7mm Washer Plate 1mm Collar 4.1mm Washer d4xD9mm d3xD7mm Washer d3 x D7mm Washer PA2.6 x 6mm Collar 4.1mm Completed Bottom View Engine Mount...
  • Page 8 Servo Set 3x3mm Set Screw 3x3mm Set Screw Included with the radio Set. Linkage Connector Washer 2mm Washer Washer 2m m Throttle Servo. Please refer to the attached sheet for linkage connector installation. Engine M3 Nut d3xD7mm Washer M3x25mm SocketHeadScrew Washer d3xD7mm d3xD7mm...
  • Page 9: Radio Equipment

    Radio Equipment Install and arrange the servo as shown in the diagram. J1(Pushrod Ø1.8x95) PLYWOOD Charge Receptacles Front BALSA KP0041300 3x100x103mm 5x5x97mm Elevator Servo Throttle Pushwire Ø1.2x280mm J2(Pushrod Ø1.8x440) Pushrod Connector Fuel Tube Ø6x5mm Sponge Elevator Pushrod Ø1.8x95mm M2 Nut Straper BALSA Rudder Pushrod...
  • Page 10 Main Wing (Lower) M4x25mm Socket Head Screw Washer d4xD15mm Washer M4x25mm d4xD15mm Bottom View d3xD7mm Main Wing M3x30mm M3x20mm Washer M3 Nylon d3xD7mm Please install in Insert Lock Nut Washer correct direction Screw M3 Nylon PM2x8mm Insert Lock Nut M3x30mm Socket Head Screw PM2x8mm M3x20mm...
  • Page 11 Ø1mm pilot holes for World Models tri-horn are pre-drilled. Main Wing Please look for pin-hole marks at under side of control surfaces. Screw PB2x12mm Main Wing (Upper) Horn Clevis Pushrod Ø1.8x145mm Fuel Tube PB2x12mm Ø6x5mm Clevis Horn Main Wing (Lower) Wing Setting A=A' B=B' C=C' D=D' E=E' F=F' G=G'...
  • Page 12: Control Throws

    Adjust the control throws as shown in the diagram. These throws are good for general flying. You can Control Throws adjust according to your personal preference. Elevator 10mm 10mm Rudder 30mm 30mm Ailerons The ideal C.G. position is 81mm (3 2 in.) behind the leading edge measured at top wing center line.
  • Page 13 LINKAGE CONNECTOR HW7111050 & HW7111060 Drill 2mm hole at servo horn. Insert linkage connector into servo horn. Make sure shoulder of screw is cleared from servo horn. Add washer to reduce play if necessary. Shoulder Tighten up the round nut against the shoulder.
  • Page 14 Usage of the transparent 3D template This transparent 3D template is used for position guidance of the actual cutting of the pre-painted cowling. Simply cut the transparent 3D template to fit your engine and exhaust pipe, then slide onto the actual cowling and use as template to mark the openings required for final cutting.
  • Page 15 180mm Extension Package Code No. Package Code No. Size Size Package Code No. Size Code No. Package Size Large Clevis Small Clevis Special tool for clevis installation. Suitable for standard and small Code No. Package ( EP) clevis. Size KP0041300 Code No SV4031 Package Code No.
  • Page 16 The World Models Manufacturing Co., LTD. www .thew orldm odels .com A009SPO21500908...

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