| Built By: | Vickers (Barrow) |
| Build Group: | L1 |
| Fate: | Scrapped in 1930 after breaking away from her tug and drifting ashore in heavy weather. |
Started life as E 57
1923 - Reserve Flotilla. Hong Kong.
1930: Heavy weather causes L-1 to break away from her tug and drift ashore Cape Cornwall, Cornwall.
| 18-05-1916 | Laid Down |
| 10-05-1917 | Launched |
| 18-11-1917 | Completed |
| Length overall | 231 ft 1 inch |
| Beam | 23 ft 6 inch |
| Draught | 13 ft 3 inch |
| Displacement | 891 tons (surface) |
| 1074 tons (submerged) | |
| Diving Depth | 150 ft |
| Speed | Surface 17 knots (design) |
| Surface 17 to 17.5 knots (service) | |
| Submerged 10.5 knots (design) | |
| Submerged 10.5+ knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 7 inch diameter |
| Endurance | Surface: 2800 miles at full power (design) |
| Surface: 2850 miles at full power or 3600 miles at half full power (service) | |
| Submerged: 14 miles at full power (design) | |
| Submerged: 14 miles at full power or 65 miles at 5 knots (service) | |
| Armament | 4 x 18 inch bow tubes |
| 2 x 18 inch beam tubes | |
| (10 torpedoes carried) | |
| 1 x 4 inch gun | |
| Complement | 3 Officers and 33 Ratings |
| Class: | 1956 - 1988: Porpoise Class |
| Built By: | Cammell Laird (Mersey) |
| Build Group: | P2 |
| Fate: | |
| Painted bright orange at Portsmouth and sunk as target during 1987, some say Western Approaches some say Scotland. | |
11 pages added or updated in the last 2 month
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| Length overall | 231 ft 1 inch |
| Beam | 23 ft 6 inch |
| Draught | 13 ft 3 inch |
| Displacement | 891 tons (surface) |
| 1074 tons (submerged) | |
| Diving Depth | 150 ft |
| Speed | Surface 17 knots (design) |
| Surface 17 to 17.5 knots (service) | |
| Submerged 10.5 knots (design) | |
| Submerged 10.5+ knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 7 inch diameter |
| Endurance | Surface: 2800 miles at full power (design) |
| Surface: 2850 miles at full power or 3600 miles at half full power (service) | |
| Submerged: 14 miles at full power (design) | |
| Submerged: 14 miles at full power or 65 miles at 5 knots (service) | |
| Armament | 4 x 18 inch bow tubes |
| 2 x 18 inch beam tubes | |
| (10 torpedoes carried) | |
| 1 x 4 inch gun | |
| Complement | 3 Officers and 33 Ratings |
| Class: | 1956 - 1988: Porpoise Class |
| Built By: | Cammell Laird (Mersey) |
| Build Group: | P2 |
| Fate: | |
| Painted bright orange at Portsmouth and sunk as target during 1987, some say Western Approaches some say Scotland. | |
11 pages added or updated in the last 2 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation. Or you can make a big one if you like :)
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.

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