Ship Stabilizers

Ship Stabilizers

A Handbook for Merchant Navy Officers

1st Edition - January 1, 1966

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  • Authors: W. Burger, A. G. Corbet
  • eBook ISBN: 9781483180939

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Ship Stabilizers: The Design and Operation in Correcting the Rolling of Ships presents the working principles and operation of various types of gyrocompasses and automatic pilots. This book discusses the fundamental principles of synchro systems and servomechanisms. Organized into 12 chapters, this book begins with an overview of the problem of the reduction of rolling. This text then explores the means of resisting rolling, which have been used or are still being used, including bilge keels, oscillating weights, anti-rolling tanks, gyroscopic stabilizers, and tilting fin systems. Other chapters consider the anti-rolling tanks that are divided into three types, including diversified tanks, free surface tanks, and U-tube tanks. This book discusses as well the small oscillations of a vessel in still water, which are simple harmonic in character. The final chapter deals with the stabilizing gear for smaller ships. This book is a valuable resource for marine engineers and naval architects.

Table of Contents

  • Preface

    Introduction—A Short Historical Review of Stabilizing Equipment up to the Present Time

    Chapter I—Rolling of Ships

    Rolling in Still Water

    Theory of Waves

    Rolling amongst Waves

    Rolling due to Yaw

    Measurements of Angles of Roll

    Chapter II—The Gyroscope

    Gyroscopic Inertia


    Types of Gyroscopes

    Gyroscopic Angular Accelerometer

    Chapter III—Anti-Rolling Devices in General

    Bilge Keels

    Oscillating Weights

    Anti-Rolling Tanks

    Sperry Gyro-Stabilizer

    Tilting Fin System

    Chapter IV—Anti-Rolling Tanks

    Free Surface Tanks

    U-Tube Tanks

    Diversified Tanks

    Chapter V—Types of Stabilization in Tilting Fin Systems

    Simple Harmonic Motion

    Types of Stabilization

    Types of Controls

    Chapter VI—The Sensors and the Controlling Unit

    Synchros and Servomechanisms (Control Unit)

    Synchro Transmission



    Amplifying Devices (Control Unit)

    The Sensors


    Chapter VII—Denny-Brown Stabilizer

    Gyro and Control Unit

    The Fin Tilting Mechanism

    The Fin Extension and Retraction Mechanism


    Chapter VIII—Denny-Brown AEG Stabilizer

    General Description

    The Fin Tilting Mechanism

    The Fin Rigging and Housing Mechanism

    Chapter IX—Denny-Brown Stabilizer Controls, Operation, Maintenance




    Chapter X—Sperry Gyrofin

    General Description

    The Stabilization System

    The Control System

    Stabilizer Machinery

    The Hydraulic Circuit

    The Lubricating Oil System



    Chapter XI—Sperry Gyrofin, Controls and Operation




    Chapter XII—Stabilizers for Smaller Ships

    Gyro Control Unit and Hydraulic Amplifier

    Hydraulic Control for Fin Tilting

    The Fins or Fin

    Starting and Stopping

    Routine Inspections

    Hints on Maintenance

    Other Non-Retractable Stabilizers

    Acknowledgments and Bibliography




Product details

  • No. of pages: 214
  • Language: English
  • Copyright: © Pergamon 1966
  • Published: January 1, 1966
  • Imprint: Pergamon
  • eBook ISBN: 9781483180939

About the Authors

W. Burger

A. G. Corbet

About the Editors

J. H. Clough-Smith

G. E. Earl

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