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Century Helicopter Products Hawk III User Manual

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SPECIFICATIONS
MAIN ROTOR DIAMETER 49.5 in.
TAIL ROTOR DIAMETER 9.3 in.
OVERALL LENGTH 46 in.
HEIGHT 16.2 in.
ENGINE 32 ~ 38
BALL BEARINGS 29
Century Helicopter Products
Designed and Developed in USA
1st Edition October, 1999
HAWK III
HAWK III
Instruction Manual
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Century Helicopter Products Hawk III Specifications

General IconGeneral
BrandCentury Helicopter Products
ModelHawk III
Age Range14+
Power SourceElectric
Control TypeRadio Control
Channels4
EngineElectric Motor
TypeHelicopter
MaterialPlastic
Main Rotor Diameter22 inches
Tail Rotor Diameter4 inches
Length22 inches
Height6 inches

Summary

Introduction and Safety Precautions

Operational Warning

Safety warning about the precision of the radio-controlled model.

Required Components and Tools for Assembly

Necessary Items Not Included in Kit

List of essential items not included in the HAWK III kit.

Tools for Assembly and Adjustments

Tools required for building and setting up the HAWK III helicopter.

Main Rotor Head Assembly Steps

Step 1: Head Block and Seesaw Shaft

Assembling the head block, damper rubbers, and seesaw shaft.

Step 2: Offset Plate and Tie Bar

Attaching the offset plate, tie bar, and bearing cups to the rotor head.

Main Blade Grip Assembly Steps

Step 3: Bell Mixer Arm and Blade Grip

Installing balls, slide tube, and bearings into the bell mixer arm.

Step 4: Feathering Shaft and Pushrods

Installing the feathering shaft, washers, locknut, and pushrods.

Flybar, Paddles & Washout Assembly Steps

Step 5: Flybar and Control Arms

Centering and securing the flybar, control arms, and weights.

Step 6: Washout Hub and Swashplate

Attaching balls and mixing arms to the washout hub and swashplate.

Start Shaft Assembly Steps

Step 7: Start Shaft Guide Blocks

Assembling the start shaft guide blocks with bearings and spring.

Step 8: Start Cone and Collar Installation

Installing the collar, start cone, and securing the start shaft.

Output Shaft and Counter Gear Assembly Steps

Step 9: Tail Rotor Output Gear

Assembling the tail rotor output shaft, gear, and bearings.

Step 10: Drive Gear and Counter Gear

Installing the drive shaft, counter gear, and alloy drive gear.

Main Gear and Elevator Bellcrank Assembly

Step 11: Main Gear and Auto-Rotation Bearing

Mounting the main gear assembly and auto-rotation bearing to the main shaft.

Step 12: Elevator Bellcrank Assembly

Attaching the elevator bellcrank, spacers, and balls to the threaded axle.

Upper Side Frames Assembly Step

Step 13: Mast Stopper and Side Frame Installation

Installing the mast stopper and side frames onto the main shaft.

Upper Frame Assembly Step

Step 14: Frame Integration

Connecting the upper and lower frame assemblies and securing them.

Collective and Aileron Levers Installation

Step 15: Collective Axle and Aileron Linkage

Installing the collective axle, levers, and aileron bellcrank linkage.

Clutch, Fan & Engine Mounting Steps

Step 16: Clutch Bell and Fan Assembly

Mounting the clutch bell, shoes, fan, and bearings onto the crankshaft.

Step 17: Engine Mounting

Securing the engine assembly to the engine mount and installing the throttle extension.

Fuel Tank and Lower Frames Assembly

Step 18: Fuel Tank Assembly

Assembling the fuel tank with tubing, clunk, and caps.

Step 19: Lower Frames and Gyro Plate

Attaching the fuel tank and lower frames to the gyro plate.

Frame Integration and Cooling Shroud Steps

Final Rotor Head Assembly and Muffler

Servo Tray Setup for Airplane Radio

Servo Tray Setup for Helicopter Radio

Landing Gear & Tail Drive Shaft Assembly

Tail Rotor Output Assembly Steps

Tail Rotor Hub and Grips Assembly

Tail Guide and Gearbox Setup Steps

Tail Gearbox Assembly Step

Tailboom and Horizontal Fin Attachment Steps

Pushrod Setup and Adjustments

Initial Radio Setup Parameters

Servo Setup and Adjustments

Aileron & Collective Linkage (Helicopter Radio)

Collective/Throttle Linkage (Airplane Radio)

Rotor Head Linkages and Elevator Linkage

Elevator & Rudder Linkage

Throttle Linkage & Main Blades

ARF Supplemental Instructions

Radio Components and Balancing

Rotor Head and Main Blades Balancing

Procedures for balancing the rotor head and attaching main blades.

PG-01T Gyro Installation and Setup

Gyro Setup and Adjustment

Adjusting gyro gain, neutral trim, and direction for optimal tail control.

Final Adjustments and Radio Setup

Pitch Curve Adjustment

Setting collective pitch values for different flight modes.

Pitch and Throttle Curve Settings

Throttle Curve Adjustments and Charts

Modifying throttle settings for engine run-in and smooth RPM.

Tail Rotor Setup and Gyro Gain Adjustment

Gyro Gain Adjustment

Setting gyro gain to prevent tail rotor oscillation or uncontrolled rotation.

Before Flying Your Helicopter

Starting the Engine for the First Time

Engine Cranking and Starting Troubleshooting

Steps for cranking the engine and addressing starting difficulties.

Basic Hovering Technique

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