GREAT PLANES Extra-300 50 EP

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Wing Span:57in/1148mm; Prop:14*7 or 15*7

Wing area:45.3sq.dm; Radio:4channels 4sevors;

Length:57in/1148mm; Flying Weight:2080-2100g;

CAUTION : this plane is not a toy and should be kept away

children under 16 years of age! Before use , please carefully read

this manual.

 First-time builders should seek advice from people having building experience in order to

assemble the model correctly and to produce its Performance to full extent.

 Assemble this kit only in places out of children’s reach!

 Take enough safety precautions prior to operating this model.

 You are responsible for this model’s assembly and safe operation!

 Always keep this instruction manual ready at hand for quick reference, even after completing

the assembly.

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Summary

Safety Warnings and Usage Guidelines

Installing Model Wheels

Attaching Wheel Pants and Landing Gear

Tailwheel Tiller Guide Installation

Tailwheel Installation and Covering Removal

Horizontal Stabilizer Installation

Securing the Horizontal Stabilizer

Elevator Servo Configuration

Notes on single or dual servo configuration for elevator control and joiner usage.

Elevator Control Horn and Joiner Setup

Attaching Elevators and Pushrods

Elevator Servo Mounting and Pushrod Connection

Recommended Servo Arms

Recommendation for using Dubro high strength long servo arms for better performance.

Rudder Pull-Pull Cable Assembly

Rudder Servo Mounting and Motor Firewall Preparation

Motor Weight Consideration

Caution against using motors over 300g to prevent the plane from becoming nose-heavy.

Cowl Mounting Procedure

Aileron Hinge and Servo Installation

Aileron Pushrod Assembly and Wing Mounting

Battery Mounting and Securing

Instructions for mounting the receiver and securing the flight battery using Velcro straps.

Aircraft Balancing (CG)

Guidance on balancing the aircraft by adjusting battery position for optimal flight.

Control Throws and Exponential Settings