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GREAT PLANES PT-20 - User Manual

GREAT PLANES PT-20
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USA
MADE IN
Instruction Manual
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.
To make a warranty claim send the defective part or item to Hobby Services at the address below:
Hobby Services
3002 N. Apollo Dr. Suite 1
Champaign, IL 61822
USA
Include a letter stating your name, return shipping address, as much contact information as possible (daytime telephone number, fax
number, e-mail address), a detailed description of the problem and a photocopy of the purchase receipt. Upon receipt of the package
the problem will be evaluated as quickly as possible.
READ THROUGH THIS MANUAL BEFORE STARTING
CONSTRUCTION. IT CONTAINS IMPORTANT
INSTRUCTIONS
AND WARNINGS CONCERNING THE ASSEMBLY AND
USE OF THIS MODEL.
PT24P03 V1.2 Printed in USA Entire Contents © Copyright 2004
Champaign, IL
(217) 398-8970, Ext. 5
Fax: (217) 398-7721
airsupport@greatplanes.com
WARRANTY

Table of Contents

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Summary

WARRANTY INFORMATION

IMPORTANT PRELIMINARY READING

SAFETY PRECAUTIONS

Safety advice for R/C modeling, recommending experienced guidance.

INTRODUCTION AND MANUAL GUIDANCE

Important Note About this Manual

Explains that the manual covers both PT-20 and PT-40, with differences noted.

DECISIONS YOU MUST MAKE

Engine Selection

Recommends specific 2-stroke and 4-stroke engines for PT-20 and PT-40.

Wing Configuration

Discusses trainer vs. sport wings and wing mounting options.

PREPARATIONS

Accessories Required to Complete Your PT-20

Lists essential accessories needed to complete the PT-20 model.

Accessories Required to Complete Your PT-40

Lists essential accessories needed to complete the PT-40 model.

Suggested Supplies and Tools

Lists building tools, glues, and other necessary items for model completion.

Optional Supplies and Tools

Lists optional items that facilitate building or improve results.

Setting Up Shop

ADHESIVES AND CONSTRUCTION NOTES

Building Notes

Notes on screw types, test fitting, and epoxy usage for construction.

Common Abbreviations Used in this Manual and on the Plans

Lists common abbreviations used in the manual and on the plans.

Types of Wood

Illustrates and names the types of wood used in the model kit.

Adhesives Explained

Details adhesives, their usage, and safety precautions.

Accelerator

Explains the use and safety precautions for CA accelerator.

Adhesive Safety Precautions

Safety advice for using CA glues, including personal protection and ventilation.

Epoxy Usage

Details different epoxy types (6-min, 30-min, 45-min) and their applications.

Metric Conversion

Provides a conversion chart between inches and metric measurements.

Get Ready to Build

DIE-CUT PATTERNS

BUILD THE TAIL SURFACES

Build The Stabilizer and Fin

Instructions for building the horizontal stabilizer and vertical fin.

Hinge The Elevator and Rudder

Steps for properly hinging the elevator and rudder control surfaces.

BUILD THE FUSELAGE

Preparation

Initial steps for building the fuselage, fitting die-cut pieces.

Join the Fuselage Sides

Instructions for joining the fuselage sides and installing formers.

INSTALLING MAJOR COMPONENTS

Install the Main Landing Gear

Steps for installing the main landing gear components onto the fuselage.

Install the Engine

Procedures for mounting the engine to the firewall.

Install the Nose Gear

Instructions for installing the nose gear and its steering linkage.

Attach the Stab and Fin to the Fuse

Steps for attaching the horizontal stabilizer and vertical fin to the fuselage.

BUILDING THE WING STRUCTURE

Preparation

Initial steps for preparing to build the wing structure.

Join the Wing Panels

Instructions for joining the two wing panels together.

Prepare the Wing for Sheeting

Steps to prepare the wing structure before applying sheeting.

WING ASSEMBLY COMPLETION

Fit the Aileron Servo Tray

Instructions for fitting the aileron servo tray into the wing structure.

Wing Completion

Final steps for completing the wing assembly, including torque rods.

Reinforce the Wing

Steps to reinforce the wing structure with fiberglass cloth.

FINISHING AND FINAL ASSEMBLY

Final Sanding

Guidance on sanding the model for a smooth finish.

Fuelproofing

Instructions for applying fuel-resistant coatings to protect the model.

Balance the Airplane Laterally

Procedure for ensuring the model is balanced side-to-side.

Cover the Structure

Detailed steps for applying iron-on covering material to the model.

Recommended Covering Sequence

A recommended sequence for applying covering to different parts of the model.

FINAL HOOKUP AND CHECKS

Procedures for connecting components and performing final checks.

Join the Control Surfaces

Steps to join and hinge the control surfaces (elevator, rudder, ailerons).

Install the Landing Gear

Steps for installing the main and nose landing gear.

Preliminary Radio Installation

Initial steps for installing servos and the radio tray into the fuselage.

Balance Your Model

Critical procedure for balancing the model for stable flight.

Final Radio Hook Up

Steps for connecting pushrods, clevises, and servos to the radio system.

Aileron Lock for 3-Channel Operation

Instructions for creating an aileron lock for 3-channel setups.

Checks and Final Setup

Final checks of all installations and connections before flight.

FLIGHT OPERATIONS AND TRIMMING

Control Surface Throws

Recommended throws for elevator, rudder, and ailerons for optimal flight.

Ground Stance

How to set the correct ground stance for takeoff and landing.

PREFLIGHT PROCEDURES

Essential checks and preparations before the first flight.

Charge the Batteries

Instructions for charging transmitter and receiver batteries.

Balance the Propeller

Importance and method for balancing the propeller to reduce vibration.

Find a Safe Place to Fly

Guidance on selecting a safe and appropriate location for flying.

Ground Check the Model

Performing essential checks before the first flight.

Range Check Your Radio

Procedure for testing radio control range.

Engine Safety Precautions

Safety guidelines for operating model airplane engines.

AMA Safety Code

Key safety rules from the Academy of Model Aeronautics.

Flying Techniques

Tips and advice for the initial flights of the model.

Taxiing

Instructions for controlling the model on the ground before takeoff.

Landing Procedures

Guidance on performing a successful landing approach and touchdown.

Modeling Terms and Trivia

Glossary of common terms and concepts in model aviation.

FLIGHT TRIMMING

Detailed guide on adjusting the model for optimal flight characteristics.

FLIGHT TRIMMING CHART

Chart detailing trim features, maneuvers, observations, and corrections.

Summary

WARRANTY INFORMATION

IMPORTANT PRELIMINARY READING

SAFETY PRECAUTIONS

Safety advice for R/C modeling, recommending experienced guidance.

INTRODUCTION AND MANUAL GUIDANCE

Important Note About this Manual

Explains that the manual covers both PT-20 and PT-40, with differences noted.

DECISIONS YOU MUST MAKE

Engine Selection

Recommends specific 2-stroke and 4-stroke engines for PT-20 and PT-40.

Wing Configuration

Discusses trainer vs. sport wings and wing mounting options.

PREPARATIONS

Accessories Required to Complete Your PT-20

Lists essential accessories needed to complete the PT-20 model.

Accessories Required to Complete Your PT-40

Lists essential accessories needed to complete the PT-40 model.

Suggested Supplies and Tools

Lists building tools, glues, and other necessary items for model completion.

Optional Supplies and Tools

Lists optional items that facilitate building or improve results.

Setting Up Shop

ADHESIVES AND CONSTRUCTION NOTES

Building Notes

Notes on screw types, test fitting, and epoxy usage for construction.

Common Abbreviations Used in this Manual and on the Plans

Lists common abbreviations used in the manual and on the plans.

Types of Wood

Illustrates and names the types of wood used in the model kit.

Adhesives Explained

Details adhesives, their usage, and safety precautions.

Accelerator

Explains the use and safety precautions for CA accelerator.

Adhesive Safety Precautions

Safety advice for using CA glues, including personal protection and ventilation.

Epoxy Usage

Details different epoxy types (6-min, 30-min, 45-min) and their applications.

Metric Conversion

Provides a conversion chart between inches and metric measurements.

Get Ready to Build

DIE-CUT PATTERNS

BUILD THE TAIL SURFACES

Build The Stabilizer and Fin

Instructions for building the horizontal stabilizer and vertical fin.

Hinge The Elevator and Rudder

Steps for properly hinging the elevator and rudder control surfaces.

BUILD THE FUSELAGE

Preparation

Initial steps for building the fuselage, fitting die-cut pieces.

Join the Fuselage Sides

Instructions for joining the fuselage sides and installing formers.

INSTALLING MAJOR COMPONENTS

Install the Main Landing Gear

Steps for installing the main landing gear components onto the fuselage.

Install the Engine

Procedures for mounting the engine to the firewall.

Install the Nose Gear

Instructions for installing the nose gear and its steering linkage.

Attach the Stab and Fin to the Fuse

Steps for attaching the horizontal stabilizer and vertical fin to the fuselage.

BUILDING THE WING STRUCTURE

Preparation

Initial steps for preparing to build the wing structure.

Join the Wing Panels

Instructions for joining the two wing panels together.

Prepare the Wing for Sheeting

Steps to prepare the wing structure before applying sheeting.

WING ASSEMBLY COMPLETION

Fit the Aileron Servo Tray

Instructions for fitting the aileron servo tray into the wing structure.

Wing Completion

Final steps for completing the wing assembly, including torque rods.

Reinforce the Wing

Steps to reinforce the wing structure with fiberglass cloth.

FINISHING AND FINAL ASSEMBLY

Final Sanding

Guidance on sanding the model for a smooth finish.

Fuelproofing

Instructions for applying fuel-resistant coatings to protect the model.

Balance the Airplane Laterally

Procedure for ensuring the model is balanced side-to-side.

Cover the Structure

Detailed steps for applying iron-on covering material to the model.

Recommended Covering Sequence

A recommended sequence for applying covering to different parts of the model.

FINAL HOOKUP AND CHECKS

Procedures for connecting components and performing final checks.

Join the Control Surfaces

Steps to join and hinge the control surfaces (elevator, rudder, ailerons).

Install the Landing Gear

Steps for installing the main and nose landing gear.

Preliminary Radio Installation

Initial steps for installing servos and the radio tray into the fuselage.

Balance Your Model

Critical procedure for balancing the model for stable flight.

Final Radio Hook Up

Steps for connecting pushrods, clevises, and servos to the radio system.

Aileron Lock for 3-Channel Operation

Instructions for creating an aileron lock for 3-channel setups.

Checks and Final Setup

Final checks of all installations and connections before flight.

FLIGHT OPERATIONS AND TRIMMING

Control Surface Throws

Recommended throws for elevator, rudder, and ailerons for optimal flight.

Ground Stance

How to set the correct ground stance for takeoff and landing.

PREFLIGHT PROCEDURES

Essential checks and preparations before the first flight.

Charge the Batteries

Instructions for charging transmitter and receiver batteries.

Balance the Propeller

Importance and method for balancing the propeller to reduce vibration.

Find a Safe Place to Fly

Guidance on selecting a safe and appropriate location for flying.

Ground Check the Model

Performing essential checks before the first flight.

Range Check Your Radio

Procedure for testing radio control range.

Engine Safety Precautions

Safety guidelines for operating model airplane engines.

AMA Safety Code

Key safety rules from the Academy of Model Aeronautics.

Flying Techniques

Tips and advice for the initial flights of the model.

Taxiing

Instructions for controlling the model on the ground before takeoff.

Landing Procedures

Guidance on performing a successful landing approach and touchdown.

Modeling Terms and Trivia

Glossary of common terms and concepts in model aviation.

FLIGHT TRIMMING

Detailed guide on adjusting the model for optimal flight characteristics.

FLIGHT TRIMMING CHART

Chart detailing trim features, maneuvers, observations, and corrections.

GREAT PLANES PT-20 Specifications

General IconGeneral
BrandGREAT PLANES
ModelPT-20
CategoryToy
LanguageEnglish

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