GREAT PLANES Extra 300S - User Manual

WARRANTY
Great Planes Model Manufacturing Co. guarantees this kit to be free from defects in both material and
workmanship at the date of purchase. This warranty does not cover any component parts damaged by use or
modification. In no case shall Great Planes’ liability exceed the original cost of the purchased kit. Further, Great
Planes reserves the right to change or modify this warranty without notice.
In that Great Planes has no control over the final assembly or material used for final assembly, no liability shall be
assumed nor accepted for any damage resulting from the use by the user of the final user-assembled product. By the
act of using the user-assembled product, the user accepts all resulting liability.
If the buyer is not prepared to accept the liability associated with the use of this product, the buyer is advised
to return this kit immediately in new and unused condition to the place of purchase.
While this kit has been flight tested to exceed normal use, if the plane will be used for extremely high stress flying, such
as racing, the modeler is responsible for taking steps to reinforce the high stress points.
READ THROUGH THIS MANUAL BEFORE
STARTING CONSTRUCTION. IT CONTAINS
IMPORTANT WARNINGS AND INSTRUCTIONS
CONCERNING THE ASSEMBLY AND USE OF
THIS MODEL.
EXT6P03 V1.2© Copyright 2004
P.O. Box 788 Urbana, IL 61803 (217) 398-8970
WWW.GREATPLANES.COM
INSTRUCTION MANUAL
USA
MADE IN

Summary

Warranty Information

Model Safety Precautions

Key Decisions and Preparations

Required Accessories

Lists essential parts, tools, and materials needed for assembly.

Building the Tail Surfaces

Building the Wing Structure

Build the Wing Spars

Instructions for preparing and assembling the main wing spars.

Build the Wing Panels

Steps for constructing the individual wing panels.

Installing the Servo Mounts

Joining the Wing Panels

Sheeting the Top of the Wing

Building the Ailerons

Assembling the Fuselage

Assemble the Fuselage Formers & Sides

Instructions for assembling the fuselage firewall, sides, and doublers.

Mounting the Wing to the Fuselage

Finishing the Fuselage Bottom

Building the Front Fuselage Deck

Mounting the Stabilizer to the Fuselage

Mounting the Fin

Building the Turtle Deck

Mounting the Engine and Tank Tray

Installing Servos and Making Pushrods

Assembling the Wheel Pants

Assembling the Cowl

Lateral Model Balancing

Covering the Model with MonoKote Film

Suggested Covering Sequence

Painting the Model

Attaching the Canopy

Setting Control Throws

Balancing Your Model

Preflight Checks

Charge the Batteries

Ground Check Procedure

Engine Safety Precautions

Flying the Extra 300 S: Takeoff

Flying the Extra 300 S: Landing

GREAT PLANES Extra 300S Specifications

General

Power System	Glow Engine
Radio	4-5 channel
Servos	4-5
Skill Level	Intermediate to Advanced
Material	Balsa and plywood construction