| Built By: | Vickers (Barrow) |
| Build Group: | Nautilus |
| Fate: | Scrapped June 1922. |
First British submarine to be named. Served with the 6th Flotilla at Portsmouth but was used more as a depot ship. In 1918 became a battery charging vessel and was never operational.
Nautilus was a bold experiment - with an increase in surface displacement and a change from the saddle tank type of construction to a double-hull. She was a twin shaft vessel with two Vickers diesel engines, each of 1850 hp, two main motors of 500 bhp and 352 Exide cells in two battery tanks.
Chapter 5 - Double-Hull Submarines
The Development of HM Submarines from Holland 1 (1901) to Porpoise (1930)
Chapter 7: Double-Hull Overseas Types - Nautilus, Swordfish (1913), G & J Classes
The Development of HM Submarines from Holland 1 (1901) to Porpoise (1930)
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