THE WORLD MODELS PIPER PA-25 PAWNEE Instruction Manual
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THE WORLD MODELS PIPER PA-25 PAWNEE Instruction Manual

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1/4 PIPER PA-25 PAWNEE
1/4 PIPER PA-25 PAWNEE
Requires: 50 c.c. gasoline engine,
5-channel radio w/ 8 high torque servos.
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.
The World Models
Manufacturing Co., LTD.
www.theworldmodels.com
A318PO28161303
Specifications
* Specifications are subject to change without notice. *
108 in / 2740 mm
1302 sq in / 84 sq dm
20.5 lbs / 9300 g
68.5 in / 1740 mm
ALMOST-READY-TO-FLY (ARF) SERIES
INSTRUCTION MANUAL
( A318 )
FACTORY PRE-FABRICATED
MADE IN CHINA

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Summary of Contents for THE WORLD MODELS PIPER PA-25 PAWNEE

  • Page 1 INSTRUCTION MANUAL 1/4 PIPER PA-25 PAWNEE 1/4 PIPER PA-25 PAWNEE ( A318 ) Requires: 50 c.c. gasoline engine, 5-channel radio w/ 8 high torque servos. Specifications Wing Span 108 in / 2740 mm Wing Area 1302 sq in / 84 sq dm Flying Weight 20.5 lbs / 9300 g...
  • Page 2 1/4 PIPER PA-25 PAWNEE 1/4 PIPER PA-25 PAWNEE INDEX BEFORE YOU BEGIN PARTS LIST ASSEMBLY P.3-P.12 SAFETY PRECAUTIONS P.12 BEFORE YOU BEGIN Read through the manual before you begin, so you will have an overall idea of what to do.
  • Page 3 Parts List 1. MAIN WING -- 1 pair 11. SOCKET HEAD SCREW M4x65mm -- 2 pcs M4 NYLON INSERT LOCK NUT -- 2 pcs 2. SOCKET HEAD SCREW M4x50mm -- 4 pcs SWIVEL CLEVIS HORN FAIRING PL4610010 -- 2 sets M4 NYLON INSERT LOCK NUT -- 4 pcs PUSHROD M3x112mm w/ Threads (For Elevator) -- 2 pcs SWIVEL CLEVIS HORN FAIRING PL4610010 -- 4 sets...
  • Page 4 Main Wing Aileron Servo Lead Pre-glued Bottom View Aileron & Flap Servos Socket Head Screw M4x50mm M2x8mm Socket Head Screw PL4120300 PWA2.3x8mm PWA2.3x8mm Screw Nylon Insert Lock Nut 1.5mm M2 Nut M2 Nylon Insert Lock Nut Heavy Duty Clevis Pushrod M2 x 10mm 1.5mm 1.5mm...
  • Page 5 Wing Struts 222mm 153mm PM3x10mm M3x15mm Socket Head Screw 131mm 171mm d3xD7mm Washer 371mm 474mm d3xD7mm Washer M3x14mm Socket Head Screw M3x14mm Main Wing Strut Cover d3xD7mm Washer M3x12mm Socket Head Screw Double-sided Tape Double-sided Tape Screw PM3x10mm M3 Nylon Insert Lock Nut M3x15mm Washer d3.2xD12mm...

  • Page 6: Main Landing Gear

    Tail Landing Gear Screw PA3x18mm PWA2.5 x 12mm Screw PWA2.5x12mm PA3 x18mm Spring 2.5mm 1.5mm Copper Plate 1.5x12x60mm Bottom View Main Landing Gear Screw PA3x18mm Washer d3xD7mm Washer d3xD7mm Mounting Plate PA3x18mm 1.5mm Tape Bottom View Wheel Main PA1.7X8mm Screw Collar D5.1mm Wheel Ø118mm...
  • Page 7 Engine M5x50 SOCKET HEAD SCREW M5 Blind Nut Washer d5xD12mm Washer d5xD12mm M5x50 mm Blind Nut Plastic Tube d2.5xD4x120mm Throttle Pushrod Ø1.8x310mm Cowling Please refer to the attached sheet for usage of the transparent Screw PA3x12mm 3D template. First insert the grommet to the cowling then apply screw. d2.5x8.5mm Silicon Grommet Washer d3xD7mm...

  • Page 8: Elevator Pushrod

    Elevator Pushrod Socket Head Screw M4x65mm M2x8mm PWA2.3x8mm Socket Head Screw PL4120300 PWA2.3x8mm Screw Nylon Insert Lock Nut 1.5mm M2 Nut M2 Nylon Insert Lock Nut Heavy Duty Clevis Pushrod M2 x 10mm Heavy Duty Horn Bracket M4 Nylon Insert Lock M2 Nylon Insert Lock Nut Heavy Duty Clevis...
  • Page 9 Flying Wire Screw PM2x16mm Press down the center 1/3 portion Wire Washer d2xD5mm Copper Tube PM2x16mm PM2x16mm d2xD5mm Washer d2.5xD3.2x8mm M2 NUT Servo Set 3x3mm Set Screw 3x3mm Linkage Connector Throttle Pushrod M2 Nut Washer 2mm Washer Washer 1.5mm Throttle Servo. M2 Nut Please refer to the attached sheet for linkage connector installation.

  • Page 10: Fuel Tank

    Fuel Tank Front Throttle Pushrod Ø40x160mm Throttle Servo Plastic Tube d2xD3x350 mm Bottom View Bottom View Fuel Tank 800cc CABLE TIE 2.5x8x500mm Bottom View Bottom View Bottom View Radio Equipment lnstall and arrange Heavy Duty Servo Horn the servo as shown M2x8mm PL4120800 in the diagram.
  • Page 11 Pilot & Canopy Instrument panel Pilot Cable Tie Plastic Plate Double-sided Tape Main Wing Wing Joiner M4x255mm Threaded Rod 443x20x5mm S crew M3x12mm Nylon Insert Lock Nut Washer d4 x D12mm Washer d3 x D7mm Wing Joiner 443x15x5mm M4 Nylon Insert Washer Lock Nut d4 x D12mm...
  • Page 12 Wing Setting Adjust the wing and fuselage configuration as shown in the diagrams. A’ A=A’ B’ C’ B=B’ C=C’ A318PO28161303 P.11...

  • Page 13: Control Throws

    # Pre-flight adjustment must be done before flying, it is very dangerous to fly a badly pre-adjusted aircraft. 50c.c. gasoline 1/4 PIPER PA-25 PAWNEE 1/4 PIPER PA-25 PAWNEE is specially designed to be powered by engine, using a more powerful engine does not mean better performance.
  • Page 14 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 15 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 16 A318PO28161303...

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