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Instruction Manual
Extra 300 EP ( 40 )
Requires : 4-channel radio w/ 4 mini servos,
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 electric 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
E2710709
450W Motor System
40A Brushless ESC, 4 cells 14.8V
3200mAh Li - Po battery & charger.
Wing Span
Wing Area
Flying Weight
Fuselage Length
*Specifications are subject to change without notice.*
Specifications
50.5 in / 1280 mm
450 sq in / 29 sq dm
53.5 oz / 1510 g
42.5 in / 1100 mm
INSTRUCTION MANUAL
FACTORY PRE-FABRICATED
ALMOST-READY-TO-FLY(ARF)SERIES
MADE IN CHINA
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Summary of Contents for THE WORLD MODELS Extra 300 EP
- Page 1 INSTRUCTION MANUAL Extra 300 EP ( 40 ) 450W Motor System Requires : 4-channel radio w/ 4 mini servos, 40A Brushless ESC, 4 cells 14.8V 3200mAh Li - Po battery & charger. Specifications Wing Span 50.5 in / 1280 mm...
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Page 2: Before You Begin
Extra 300 EP ( 40 ) INDEX BEFORE YOU BEGIN PARTS LIST ASSEMBLY P.3-P10 SAFETY PRECAUTIONS P.10 BEFORE YOU BEGIN Read through the manual before you begin, so that you can have an overall idea of what to do. Check all parts. If you find any defective or missing parts contact your local dealer. Please DRY FIT and check for defects for all parts that will require CA or Epoxy for final assembly. -
Page 3: Parts List
Parts List 1. MAIN WING -- 1 pair 9. MAIN LANDING GEAR -- 1 pc. MAIN WHEEL Ø40mm -- 2 pcs 2. SCREW PM2x16mm -- 4 pcs COPPER TUBE d3.1xD4x5mm -- 2 pcs CLEVIS -- 2 pcs SCREW PA2x6mm -- 4 pcs STRAPER -- 2 pcs SCREW PA2.6x8mm -- 3 pcs FUEL TUBE d2xD4x4mm -- 4 pcs... -
Page 4: Aileron Servo
Main Wing Aileron Servo Lead Apply instant type CA glue to both sides of each hinge. Bottom View Aileron Servo Ø1mm pilot holes for World Models horn are pre-drilled. Please PM2x16mm Screw look for pin-hole marks at under side of control surfaces. Straper Fuel Tube d2xD4x4mm... - Page 5 Vertical Fin & Rudder Apply instant type CA glue to both sides of each hinge. Completed Tail Landing Gear PA2.6x12mm Screw PA2.6x12mm PA2.6x12mm PM2x10mm Screw 1.5mm M2 Nut 2.1mm Collar set screw M2 Nut Steering Bracket PM2x10mm Bottom View E2710709...
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Page 6: Rudder Pushrod
Rudder Pushrod PM2x10mm Screw Ø1mm pilot holes for World Models horn are pre-drilled. Please look for pin-hole marks at under side of control surfaces. Horn 21mm Clevis Pushrod Ø1.4x565mm Fuel Tube PM2x10mm d2xD4x4mm Bottom View Elevator Pushrod PM2x10mm Screw Ø1mm pilot holes for World Models horn are pre-drilled. Please look for pin-hole marks at under side of control surfaces. -
Page 7: Main Landing Gear
Outrunner Motor / Cowling Make sure the rotating motor M3x8mm Socket Head Screw PWA2x8mm Screw casing is not in contact with d3xD7mm Washer wirings or anything. Installation based on optional electric power package from World Models, parts no. E271 EPTS. Outrunner 37/48 Deluxe KM0374810 Propeller Adaptor (D5mm) - Page 8 Main Wing Bottom 1.5mm Eye Screw PA2.5x10x23mm Bottom View Wing Tube Ø14.5x397mm Aileron Servo Lead Top View Rubber Band Completed E2710709...
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Page 9: Radio Equipment
Radio Equipment Install and arrange the servo as shown in the diagram. 40A Brushless ESC Fuel Tube Front d2xD4x4mm Double-Sided tape Elevator Servo Elevator Pushrod Ø1.4x75mm KA1.7x6mm Elevator Servo Straper Rudder Servo Receiver Sponge Battery Tie Battery Cockpit Pilot Completed E2710709... - Page 10 Wing Setting Adjust the wing and fuselage configuration as shown in the diagrams. A=A' B=B' C=C' E2710709...
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Page 11: Important Safety Precautions
# Pre-flight adjustment must be done before flying, it is very dangerous to fly a badly pre-adjusted aircraft. Extra 300 EP ( 40 ) is specially designed to be powered by 450W Motor System. # Make sure the air field is spacious, never fly the plane too close to people and never get too close to a running propeller. - Page 12 E2710709...
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