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0 52-0.7 cu. in. displacement 4-stroke
.
2
Require : 4 - channel
s
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 .thew orldm odels .com
A249NPO27251110
Specifications
* Specifications are subject to change without notice.*
radio / standard
w 5
53.5 in / 1
36
538 sq in / 34.7 sq dm
5.3 lb / 2400 g
57 in / 1450 mm
ALMOST-READY-TO-FLY (ARF) SERIES
INSTRUCTION MANUAL
servos
0 mm
FACTORY PRE-FABRICATED
MADE IN CHINA
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Table of Contents
Related Manuals for The World Models Manufacturing SPOT-ON 50 AEROBATICS
Summary of Contents for The World Models Manufacturing SPOT-ON 50 AEROBATICS
- Page 1 INSTRUCTION MANUAL 0 52-0.7 cu. in. displacement 4-stroke Require : 4 - channel radio / standard servos Specifications Wing Span 53.5 in / 1 0 mm Wing Area 538 sq in / 34.7 sq dm Flying Weight 5.3 lb / 2400 g Fuselage Length 57 in / 1450 mm * Specifications are subject to change without notice.*...
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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
Parts List 1. MAIN WING -- 1 pair 10. ENGINE MOUNT PL5111050 -- 1 set SOCKET HEAD SCREW M4x25mm -- 4 pcs 2. WING TUBE Ø16x285mm -- 1 pc. WASHER d4.5xD9mm -- 4 pcs 3. SCREW PB2x22mm -- 4 pcs 11. - Page 4 Main Wing Apply instant type CA glue to both sides of each hinge. Aileron Servo Lead Bottom View Main Wing Please apply glue to all surfaces of wing tube. Wing Tube Ø16x285mm Make sure to glue securely. If not properly glued, a failure in fight may occur. Aileron Servo Lead Completed A249NPO27251110...
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Page 5: Aileron Servo
Aileron Servo PB2x22mm Screw PWA2x8mm Screw Fuel Tube PWA 2 x 8mm Straper 6x5mm Ø PB2x22mm Clevis Fuel Tube Ø6x5mm Pushrod Ø1.8x90mm Bottom View TWM Pl8210010 1.5mm CLEVIS WRENCH Stabilizer / Elevator (Stabilizer) (Main Wing) B=B' * Also refer to step 18 Wing Setting A=A' Apply instant type CA glue to both sides of... - Page 6 Vertical Fin & Rudder C=C' Apply instant type CA glue to both sides of each hinge. Completed Tail Landing Gear Screw PA3 x 12mm Collar 2.1mm 1.5mm WHEEL Ø25mm PA3 x 12mm 2.1mm Collar 3 x 3mm Set Screw Bottom View A249NPO27251110...
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Page 7: Elevator Pushrod
Elevator Pushrod Please look for pin-hole marks at under side of control surfaces. PB2 x14mm Screw Elevator Pushrod Ø1.8x730mm PB2x14mm ≈260mm ≈48mm Clevis Fuel Tube Ø6x5mm TWM Pl8210010 CLEVIS WRENCH Bottom View Rudder Pullwire Ø1mm pilot holes for World Models tri-horn are pre-drilled. Please look for pin-hole marks at under side of control surfaces. -
Page 8: Fuel Tank
Inverted Mount Engine Mount M4x25mm Socket Head Screw Washer d4.5xD9mm Engine Mount PL5111050 d4 5xD9mm Washer Blind nuts are off-centered to keep the spinner at the fuselage axis. Fuel Tank Fuel Tank 320cc Balsa 8x12x84.5mm Fuel Tank 320cc (For Fuel Tank Position F ixing ) Balsa 8x12x84.5mm (For... -
Page 9: Radio Equipment
Engine Screw M3.5x30mm Installed Engine Position (Inverted Mount) 115mm 4.5 in. Washer xD mm M3.5 Nut d3.5xD8mm Washer Washer d3.5xD8mm Throttle Pushrod Ø1.2x480mm 3.5 30 Plastic Tube d2xD3x300mm Elevator Pushrod Radio Equipment Press down the center Ø1.8x110mm 1/3 portion M2 Nut Wire Install and arrange the servos as shown in the diagram. - Page 10 Main Wing M4 x35mm Screw d4xD15mm Washer M4 x35mm Washer d4xD15mm Bottom View Canopy First insert the grommet into the canopy then apply screw. PWA2.3 x 8mm Screw Double-sided Tape 900mm Silicon Grommet d1.5 x D6.5 mm d1.5 x D6.5 mm Silicon Grommet PWA2.3 x 8mm Please refer to the attached sheet for usage of the transparent 3D...
- Page 11 Wing Setting A = A ' B = B ' C = C ' P.10 A249NPO27251110...
- Page 12 Adjust the control throws as shown in the diagram. Control Throws These throws are good for general flying. You can adjust according to your personal preference. Elevator 18mm 18mm Rudder 45mm 45mm Ailerons 10mm 10mm The ideal C.G. position is 117mm (4.6 in.) behind the leading edge measured at where the wing C.G.
- 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.
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Page 15: Optional Parts
Optional Parts Fuel Filler 180mm Extension Code No. Size Package Code No. Size Package PL8110030 15 x 22 x 49mm 1 x 1 pc KW0011800 180mm 1 set 180mm Y-Cord Code No. Size Package KW0021800 180mm 1 pc Clevis Wrench Code No. - Page 16 A249NPO27251110...