Page:Heresies of Sea Power (1906).djvu/324

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HERESIES OF SEA POWER.

They did not, however, exist. As has been pointed out by Sir Philip Watts,[1] in the days of wooden ships it was almost impossible to increase length to any extent in order to get more power, because of certain technical difficulties of construction. Consequently increased power was only to be obtained by adding an extra deck, and this entailed a loss of handiness, a loss of speed, a loss of seaworthiness, and such general disabilities that for all-round work the seventy-four was almost the largest unit practicable. Bigger ships were built, but they were always, to some extent, experimental, and never fully satisfactory. That is the real reason why the bulk of the British fleet in the Great War consisted of seventy-fours.

There is now the second point to consider. In the old days, moderately effective range was a matter of a hundred yards or so and really effective range was ship touching ship. Concentration of power was, therefore, necessarily the concentration of ships.

To-day these conditions have entirely vanished. The gun radius is so extended that any number of ships can concentrate effectively on one after another of the enemy, without ever approaching inside a couple of miles. It is, however, far easier to handle six big ships than twelve smaller ones of equal total power, because the twelve will be occupying about double the space and, therefore, less easily able to act as one in the matter of concentrating on a single unit.

  1. Institute of Naval Architects, July, 1905.