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Updated: July 20, 2025
It was a Confederate submersible boat, only fifty feet long and nine feet in diameter, carrying a fifteen-foot spar-torpedo. She had been named David and the Confederate authorities hoped to do away by means of her with the Goliaths of the Federal navy.
The submersible must be driven below the surface by a superiority of gunfire on the part of the merchant marine and its patrols. In this way the submersible would be dependent upon the torpedo alone, a weapon of distinct limitations.
From this it follows that the opportunity of ramming a submersible, or of sinking it by gunfire, is greatly minimized, since the vessel can disappear so rapidly. A great deal has been attempted with nets. Fixed nets extend across many of the bodies of water around the British Isles. Their positions, doubtless, are now very well known to the Germans.
I thought about how this marvelous electric force not only gave motion, heat, and light to the Nautilus but even protected it against outside attack, transforming it into a sacred ark no profane hand could touch without being blasted; my wonderment was boundless, and it went from the submersible itself to the engineer who had created it.
There is usually a large percentage of error in his calculations unless the submersible is extremely close to its target. Realizing these limitations, the German submersibles are equipped with small torpedoes, which are generally fired at ranges not exceeding eight hundred to two thousand yards.
Accordingly, I'm in the habit of staying in the pilothouse and directing maneuvers myself. And now if you'll kindly go below, Professor Aronnax, the Nautilus is about to sink beneath the waves, and it will only return to the surface after we've cleared the Arabian Tunnel." I followed Captain Nemo. The hatch closed, the ballast tanks filled with water, and the submersible sank some ten meters down.
The modern submersible usually forces itself under water, while still in a slightly buoyant condition, by its propellers and by the action of two sets of rudders, or hydroplanes, which are arranged along its superstructure and which tend to force it below the surface when they are given a certain inclination; but should the engines stop, the diving rudders, or hydroplanes, would become ineffective, and, because of the reserve buoyancy in the hull, the vessel would come to the surface.
Don't forget, you are to stay right here permanently." Jack saluted mechanically, but his heart beat high and he could scarce repress an exclamation of delight. At a depth of sixty feet the Dewey's engines were slowed down and she floated gracefully out of range of the German destroyer. After traveling ahead for half a mile the submersible was stopped again and began slowly to ascend.
The exploits of the Emden, the Moewe and the Appam are still fresh in everybody's memory. To them can now be added the achievements of the submersible Deutschland, by means of which we have begun to resume our trade relations with the United States despite the so-called British blockade. For two years we have been fighting for the freedom of the seas.
It was an old-fashioned battering ram propelled with infinite power. Hurled aloft, ice rubble fell back around us like hail. Through brute force alone, the submersible carved out a channel for itself.
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