| Built By: | Vickers (Tyne) |
| Build Group: | V2 |
| Fate: | Transferred to the Norwegian Navy as Uthaug in 1946. |
| Length overall | 195 ft 6 inch |
| Beam | 15 ft 9 inch |
| Depth | 15 ft 10 inch |
| Displacement | 648 tons (surface) |
| 735 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | 11.5 knots (surface) |
| 9 knots (submerged) | |
| No. of shafts | 2 |
| Endurance | Surface: 4050 miles at 10 knots (design) |
| Submerged: 23 miles at 8 knots or 170 miles at 2.5 knots (design) | |
| Armament | 4 x 21 inch bow tubes |
| (8 torpedoes carried) | |
| 1 x 3 inch gun | |
| 3 x 0.303 inch machine-guns | |
| Complement | 4 Officers and 33 Ratings |
Fort Blockhouse had its beginnings as a military base in 1431 when Henry VI authorised a tower to be built on the Gosport side of Portsmouth Harbour. The Navy moved into Fort Blockhouse in 1905 for the purpose of establishing a Submarine Boat Station.
Discover and Record Your Personal Roots and Heritage: Everything from Accessing Archives, Public Record Offices and Using the Internet
22 pages added or updated in the last 3 month
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| Length overall | 195 ft 6 inch |
| Beam | 15 ft 9 inch |
| Depth | 15 ft 10 inch |
| Displacement | 648 tons (surface) |
| 735 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | 11.5 knots (surface) |
| 9 knots (submerged) | |
| No. of shafts | 2 |
| Endurance | Surface: 4050 miles at 10 knots (design) |
| Submerged: 23 miles at 8 knots or 170 miles at 2.5 knots (design) | |
| Armament | 4 x 21 inch bow tubes |
| (8 torpedoes carried) | |
| 1 x 3 inch gun | |
| 3 x 0.303 inch machine-guns | |
| Complement | 4 Officers and 33 Ratings |
Fort Blockhouse had its beginnings as a military base in 1431 when Henry VI authorised a tower to be built on the Gosport side of Portsmouth Harbour. The Navy moved into Fort Blockhouse in 1905 for the purpose of establishing a Submarine Boat Station.
Discover and Record Your Personal Roots and Heritage: Everything from Accessing Archives, Public Record Offices and Using the Internet
22 pages added or updated in the last 3 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.
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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