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    Submarine Boats
    Submarine Boats
    Submarine Boats
    Ebook85 pages1 hour

    Submarine Boats

    By William Hovgaard

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    So much has been done of late towards developing the submarine vessel, that it appears that at present we are not very far from the practical solution of this interesting problem. Many engineers, as well as naval men and business people and others, must be interested in this matter, but as yet no work on this subject has appeared by which people, without spending too much time upon it, may be able to form an idea of what has already been done in this line, how the matter stands at the present moment, and what may probably be done in the future. It is the object of this little book to supply this want, and this, together with the interest I feel for this problem, must be my excuse for venturing to write on so difficult a subject.

    William Hovgaard (1887)
    LanguageEnglish
    PublisherEdizioni Savine
    Release dateDec 29, 2022
    ISBN9791222040974
    Submarine Boats

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      Book preview

      Submarine Boats - William Hovgaard

      PREFACE.

      So much has been done of late towards developing the submarine vessel, that it appears that at present we are not very far from the practical solution of this interesting problem. Many engineers, as well as naval men and business people and others, must be interested in this matter, but as yet no work on this subject has appeared by which people, without spending too much time upon it, may be able to form an idea of what has already been done in this line, how the matter stands at the present moment, and what may probably be done in the future. It is the object of this little book to supply this want, and this, together with the interest I feel for this problem, must be my excuse for venturing to write on so difficult a subject.

      The book has been divided into three chapters, viz.:—

      I. The strategical value of submarine boats; in

      which chapter I endeavour to show what part such boats may play in future wars, if properly developed.

      II. The history and development of submarine boats; where I have collected all the material it has been possible for me to get access to.

      III. The construction of submarine boats; where I have given a detailed description of how I think such boats ought to be constructed, and which principles ought to be the guiding ones. Special attention has been paid to previous experiences, and the conclusions arrived at are the result of very careful study and calculations. In fact, the design, as described in its main features, is one worked out in the course of three years, while I studied Naval Architecture at the Royal Naval College in Greenwich. The design must, however, be regarded merely as an illustration.

      I have to acknowledge the assistance received in collecting the historical part of my work from Mr. Nordenfelt’s paper read before the United Service Institution last year.

      I also acknowledge the information got from the work of Admiral Paris, ‘L’Art Naval en 1867;* from Admiral Porter’s work, ‘The Naval History

      of the Civil War,' and from the excellent paper, 'Mittheilungen aus dem Gebiete des Seewesens.’ I have, as far as possible, throughout the book mentioned the sources from which information has been drawn.

      It is unavoidable that in a work like the present errors should creep in, especially as regards the historical part I shall be thankful for any corrections that may be made, and for all information which will make this work appear in a more complete form in an eventual second edition.

      G. W. HOVGAARD.

      Copenhagen, June 1887

      CONTENTS.

      CHAPTER I.

      PAGE

      The Strategical Value of Submarine Boats

      CHAPTER II.

      The History and Development of Submarine Boats

      CHAPTER III.

      The Construction of Submarine Boats

      CHAPTER I.

      THE STRATEGICAL VALUE OF SUBMARINE BOATS.

      We have endeavoured to make our war vessels strong enough, and we have failed They are neither strong enough to resist the guns, the ram, nor the torpedoes.

      There has therefore of late been a growing tendency among the leading naval officers and constructors to build smaller, faster, and better subdivided vessels, with less armour, comparatively small but powerful and quick-firing guns, and many torpedoes. But in spite of this it must be admitted that the big vessels armed with powerful artillery and properly protected will, with their high speed and sea-going qualities, always be more powerful than any other vessels. If the two classes of ships are combined to form a fleet, where the small swift vessels, such as those of the Archer and Grasshopper

      class, play a similar part as the cavalry does on shore, they form the most powerful combination known at present, at least in the open sea.

      It is quite impossible to take up the battle against such a fleet with any chance of success, if not nearly even in strength, other things being equal.

      But if by some means we could get at the vital parts of the big vessels through the unprotected bottoms, and with little chance of oneself being destroyed, who can doubt the result ?

      This is what has been attempted by both passive mines and torpedoes, but while the former are necessarily very limited in application, and not difficult to destroy or counteract, the latter have the drawback, that they must always be fired from some visible vessel or boat; and it is a great question, who gets the worst of it, the ship or the torpedo-boat For it is often known when to expect an attack, from whence it comes, and under what circumstances. The ships may be very efficiently protected by nets, and the best of all existing torpedoes, the Whitehead, can hardly be said to be very reliable, when fired at even a moderate distance.

      It has been found necessary to increase the size of torpedo-boats, in order to enable them to follow the great sea-going squadrons, but this has made them better targets for machine gun fire, and the

      attempts which have consequently been made to protect the boats by light armour, have been accompanied by a still greater development of the machine gun. It is not difficult to foresee that, as in the case of the big ironclads, the gun will win the race.

      An attack with a torpedo-boat, every one must admit, is nothing less than an act of self-devotion, and although there is no doubt that every country can find as many naval officers as they want, as well as engineers, stokers and sailors, who would with pleasure undertake the task of making a desperate attack ; still we will always if possible rather avoid the losses of boats and men, however heroically these losses may have been brought about; and if we can construct an indestructible torpedo-boat, why not do so ?

      Hence the numerous attempts which have been made from time to time, and more especially during the last few years, to construct submarine vessels practically useful in time of war, and great strides have already been made towards the solution, although it cannot be said that the problem has always fallen into the best hands, or to have had a really fair trial till lately.

      Before considering in detail the difficulties connected with the construction and use of submarine boats, let us make certain moderate assumptions,

      as to what may be expected from them, and on this basis let us try to draw some conclusions as regards their use as war-vessels.

      Suppose then, that we have succeeded in constructing a vessel which will move on

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