| Built By: | Vickers (Barrow) |
| Build Group: | A2 |
| Fate: | Broken up at Portsmouth Dockyard in May 1920. |
| 1915: | Lieutenant | E G Ebblewhite |
1914: 9th Flotilla Devonport, HMS Pactolus
1914-15: 9th Flotilla, Ardrossan
1915-16: 4th Flotilla, Dover
1918: Training duty
| 08-03-1905 | Launched |
| 11-07-1905 | Completed |
| Length overall | 105 ft 1/2 inch |
| Beam | 12 ft |
| Depth | 10 ft |
| Displacement | 180 tons (surface) |
| 207 tons (submerged) | |
| Diving Depth | 100 ft |
| Speed | Surface 11.5 knots (design) |
| Surface 11 + knots (service) | |
| Submerged 7 knots (design) | |
| Submerged 6 knots (service) | |
| No. of shafts | 1 |
| Propeller | 3 blades, 4 ft 4 inch diameter |
| Armament | 2 x 18 inch bow torpedo tubes (4 torpedoes carried) |
| Endurance | Surface: 600 miles at full power (design) |
| Surface: 325 miles at full power (service) | |
| Submerged: 20 miles at 6 knots (service) | |
| Complement | 2 x Officers, 9 x Ratings |
The orders 'Up periscope' and 'Down periscope' are, for most of us, completely tied in with our notion of submarines. These are phrases that we've heard countless times in submarine movies, in which there's usually a dramatic scene of a submarine captain hanging onto the handles of a periscope, looking out at the enemy above the water. Standing watch at the periscope like this is called
The story of the Thetis Submarine Tragedy in 1939, is the definitive account of the whole sorry episode of the Birkenhead built vessel that cost 99 lives; still today the worst submarine disaster in British History.
20 pages added or updated in the last 1 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.
| Length overall | 105 ft 1/2 inch |
| Beam | 12 ft |
| Depth | 10 ft |
| Displacement | 180 tons (surface) |
| 207 tons (submerged) | |
| Diving Depth | 100 ft |
| Speed | Surface 11.5 knots (design) |
| Surface 11 + knots (service) | |
| Submerged 7 knots (design) | |
| Submerged 6 knots (service) | |
| No. of shafts | 1 |
| Propeller | 3 blades, 4 ft 4 inch diameter |
| Armament | 2 x 18 inch bow torpedo tubes (4 torpedoes carried) |
| Endurance | Surface: 600 miles at full power (design) |
| Surface: 325 miles at full power (service) | |
| Submerged: 20 miles at 6 knots (service) | |
| Complement | 2 x Officers, 9 x Ratings |
The orders 'Up periscope' and 'Down periscope' are, for most of us, completely tied in with our notion of submarines. These are phrases that we've heard countless times in submarine movies, in which there's usually a dramatic scene of a submarine captain hanging onto the handles of a periscope, looking out at the enemy above the water. Standing watch at the periscope like this is called
The story of the Thetis Submarine Tragedy in 1939, is the definitive account of the whole sorry episode of the Birkenhead built vessel that cost 99 lives; still today the worst submarine disaster in British History.
20 pages added or updated in the last 1 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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