A FAST SUBMARINE.
United States Navy officials have re* cently been interested in trials of the model of a new submarine craft, which Budolphi Drambourg, its inventor, promises will develop a speed of fifty miles an hour or more on the surface and thirty-five miles underneath the water. He also insists ho has batteries by which a submarine boat will be able to travel for 1000 miles without the need of going to shore.
A novel feature is the position of the propellers. These are placed fore and aft and inclosed in a tunnel that runs the length of the vessel. The inventor argues that ordinarily the propeller, by pushing the water aside rather than getting a good purchase on it. wastes about thirty to forty per cent, of the engine energy-
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New Zealand Times, Volume XXXIII, Issue 7853, 15 July 1911, Page 6
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132A FAST SUBMARINE. New Zealand Times, Volume XXXIII, Issue 7853, 15 July 1911, Page 6
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