SIG Piper J-3 Cub - User Manual

Sig Mfg. Co., Inc....401-7 South Front Street....Montezuma, Iowa 50171
Introduction
Congratulations on your purchase of the 1/5-scale SIG PIPER J-3 CUB kit. This is a computer engineered laser-cut kit of
America
’s favorite lightplane. Laser cutting is more expensive than the older methods of kit production, but it provides incredible
accuracy and perfect parts fit. We believe that you will enjoy putting this kit together just as much as you’ll enjoy its legendary
flying characteristics.

Summary

Kit Options and Preparation

Engine Selection

Recommendations and considerations for selecting and installing the model's engine.

Radio Equipment and Required Tools

List of essential radio components, tools, and materials needed for assembly.

Component Identification

Wood Parts Identification

Guidance on identifying laser-cut balsa and hardwood parts for accurate assembly.

FUSELAGE CONSTRUCTION

Fuselage Sub-Assemblies

Initial steps for assembling the main fuselage components and sub-assemblies.

Basic Fuselage Assembly

Step-by-step instructions for assembling the primary structure of the fuselage.

Cabin Hatch and Fuselage Completion

Control Surfaces and Wing Construction

Stabilizer and Elevator Construction

Fin and Rudder Construction

WING CONSTRUCTION

Comprehensive guide for building the main wing panels for the model.

Aileron Construction

Aileron Servo Installation

Steps for mounting and connecting the aileron servos for proper control.

Wing Mounting and Struts

Procedure for attaching wings and installing support struts.

Landing Gear and Tail Assembly

Main Landing Gear Installation

Attaching the Tail Surfaces

Instructions for mounting the stabilizer, fin, and rudder to the fuselage.

COVERING AND FINISHING

Fuel Proofing

Applying fuel-resistant coatings to protect the model from fuel damage.

Covering The Wings

Covering The Fuselage And Fin

Finishing Control Surfaces and Painting

Radio System Setup and Operation

Receiver, Battery Pack, and Radio Check

Setting Control Movements

Fuel System and Final Checks

Fuel Tank

Throttle Pushrod

Balance Your Cub

Critical step to ensure proper center of gravity for stable flight.

FLYING THE CUB

IMPORTANT SAFETY WARNING

SIG Piper J-3 Cub Specifications

General

Brand	SIG
Model	Piper J-3 Cub
Category	Toy
Language	English