X.1: The Royal Navy's Mystery Submarine
The 'X' stood for experimental, but it might equally have meant extraordinary, exotic or extravagant, as this giant submarine attracted superlatives--the world's largest, most heavily armed, and deepest diving submersible of the day. X.1 was a controversial project conceived behind the backs of politicians, and would remain an unwanted stepchild. This book explores the historical background of submarine cruisers, the personalities involved in X.1's design and service, the spy drama surrounding her launch, the treason trial of a leading RN submarine commander, the ship's checkered career, and her political demise. Despite real technical successes, she would finally fall foul of "black propaganda", aimed at persuading foreign naval powers that the cruiser submarine did not work; even today uninformed opinion repeats the myth of her failure. Well-illustrated with technical drawings and historical photographs, this book pays belated tribute to the real importance of the mysterious X.1.
1113318408
X.1: The Royal Navy's Mystery Submarine
The 'X' stood for experimental, but it might equally have meant extraordinary, exotic or extravagant, as this giant submarine attracted superlatives--the world's largest, most heavily armed, and deepest diving submersible of the day. X.1 was a controversial project conceived behind the backs of politicians, and would remain an unwanted stepchild. This book explores the historical background of submarine cruisers, the personalities involved in X.1's design and service, the spy drama surrounding her launch, the treason trial of a leading RN submarine commander, the ship's checkered career, and her political demise. Despite real technical successes, she would finally fall foul of "black propaganda", aimed at persuading foreign naval powers that the cruiser submarine did not work; even today uninformed opinion repeats the myth of her failure. Well-illustrated with technical drawings and historical photographs, this book pays belated tribute to the real importance of the mysterious X.1.
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X.1: The Royal Navy's Mystery Submarine

X.1: The Royal Navy's Mystery Submarine

by Roger Branfill-Cook
X.1: The Royal Navy's Mystery Submarine

X.1: The Royal Navy's Mystery Submarine

by Roger Branfill-Cook

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Overview

The 'X' stood for experimental, but it might equally have meant extraordinary, exotic or extravagant, as this giant submarine attracted superlatives--the world's largest, most heavily armed, and deepest diving submersible of the day. X.1 was a controversial project conceived behind the backs of politicians, and would remain an unwanted stepchild. This book explores the historical background of submarine cruisers, the personalities involved in X.1's design and service, the spy drama surrounding her launch, the treason trial of a leading RN submarine commander, the ship's checkered career, and her political demise. Despite real technical successes, she would finally fall foul of "black propaganda", aimed at persuading foreign naval powers that the cruiser submarine did not work; even today uninformed opinion repeats the myth of her failure. Well-illustrated with technical drawings and historical photographs, this book pays belated tribute to the real importance of the mysterious X.1.

Product Details

ISBN-13: 9781473820951
Publisher: Pen & Sword Books Limited
Publication date: 01/31/2020
Sold by: Barnes & Noble
Format: eBook
Pages: 192
File size: 28 MB
Note: This product may take a few minutes to download.

About the Author

ROGER BRANFILL-COOK is a qualified battlefield guide, a professional translator from French, and also a writer on military subjects and a modemaker. His most recent book was _River Gunboats: An Illustrated Encyclopaedia _ published by Seaforth in 2018.

Table of Contents

Foreword Rear Admiral Mark Anderson 7

Introduction 8

Acknowledgments 9

Chapter 1 Giant Submarines 11

Russian Plans 11

Royal Navy Monster Boats 11

The U-Cruisers 14

Chapter 2 Design Criteria 17

A Ship of Extremes 17

Captain Nasmith's Preferences 17

Design Aims 17

The Alternative Capital Ship 20

Chapter 3 Propulsion Machinery 22

Main Engines 22

Auxiliary Engines and Generators 25

Main Motors 27

Batteries 27

Chapter 4 Handling 29

The Lessons of Experience 29

Commander Robert H T Raikes DSO and Bar 29

Hydroplanes 30

Diving 31

Trimming 32

Diving Trials 33

'Ain't Misbehavin' 33

Diving Time 34

Surface Handiness 34

Chapter 5 Armament 35

5.2in Turrets 35

Surface Gun Action 49

Practice Makes Perfect 51

Anti-Aircraft Armament 52

Torpedoes 52

Proposals for a Sister-Ship 55

Chapter 6 The Ship, Her Hull, Fittings and Complement 57

The Hull 57

Fuel and Oil Storage 59

Colour Schemes 59

Sensors and Communications 60

Control Facilities 66

Boats 68

Complement 69

Chapter 7 Trials and Tribulations 72

A Guilty Secret 72

The Daily Herald Affair 73

Commissioning and Early Trials 75

A First Foray Overseas 80

The Mayers Scandal of 1927 81

Chapter 8 A Cushy Billet 84

'Why not our own magazine?' 84

Mediterranean Service 90

Distinguished Visitors 96

Chapter 9 A Litany of Failures 99

The Shale Oil Experiment 99

More Mishaps 100

Deliberate Misinformation 101

Home in Disgrace 104

Revealed at Last 104

Chapter 10 An Unlucky Fall 106

Decline into Oblivion 108

Chapter 11 Only the British Were Fooled 109

United States' Cruiser Submarines 109

Surcouf 113

Japanese Boats 119

Raeder's Z-Plan 124

Chapter 12 Reflections and Epilogue 126

Sabotage? 126

Penury 126

What Might Have Been 127

Epilogue 128

Appendices 129

Appendix A Extracts from X.1's Log Books 129

Appendix B The Plans 176

Appendix C Comparison between the 5.2in and later 5-25in Guns 182

Notes 184

Bibliography 189

Index 190

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