| Built By: | Fairfield (Clyde) |
| Build Group: | L2 |
| Fate: | Sold 16th February 1932 |
| Length overall | 238 ft 7 inch |
| Beam | 23 ft 6 inch |
| Draught | 13 ft 3 inch |
| Displacement | 914 tons (surface) |
| 1089 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 |
| Armament | 4 x 18 inch bow tubes |
| 2 x 18 inch beam tubes | |
| (10 torpedoes carried) | |
| 1 x 4 inch gun | |
| 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) | |
| Complement | 38 |
On the 12th January 1950, HM Submarine Truculent spent the day at sea off the Thames Estuary carrying out trials, following a long refit. Apart from the full crew, there were 18 civilian dockyard officials on board to make any last minute adjustments, as she was due to sail for Scotland the next day. As she made her way up to the Medway Approaches, the Officer of the Watch conned the submarine on the surface. Traffic in the river was heavy and the steaming lights of many ships on their way into and out of the Port of London were clearly visible on all sides.
A landmark history of the U-Boat war told through the experiences and recollections of the U-Boat crews themselves.
Winston Churchill famously remarked that the threat of the German U-Boats was the only thing that had "really frightened" him during World War Two. The U-Boats certainly claimed a bitter harvest among Allied shipping: nearly 3,000 ships were sunk, for a total tonnage of over 14 million tonnes, nearly 70% of Allied shipping losses in all theatres of the war. With justification, then, they are an integral part of the traditional narrative of the Battle of the Atlantic; a story of technological brilliance, dramatic sinkings, life and death, and, of course, the sinister, unseen threat of the U-Boats themselves.
For Allied seamen during the war, the U-Boat was a hidden menace, a faceless killer lurking beneath the waves; and the urgent needs of survival afforded them little time or energy to consider the challenges and privations of their enemy. History, however, affords us that time and energy, and any pretence of comprehensiveness demands that we consider what life was like for the crews of those most claustrophobic vessels; packed into a steel hull, at the mercy of the enemy, of the elements, and of basic physics.
Germany’s U-Boat crews posted the highest per-capita losses of any combat arm during World War Two. Some 30,000 German submariners were killed, over 75% of the total number deployed, the vast majority of whom have no grave except the seabed. Using archival sources, unpublished diaries and existing memoir literature, this book will give the U-Boatmen back their voice, allowing their side of the narrative to be aired in a comprehensive manner for the first time.
With that testimony, Wolfpack takes the reader from the heady early days of the war, when U-Boat crews were buoyed with optimism about their cause, through to the challenges of meeting the Allied counterthreat, to the final horror of defeat, when their submarines were captured by the enemy or scuttled in ignominy. Using the U-Boatmen’s own voices to punctuate an engaging narrative, it tells their story; of courage, certainly, but also of fear, privation and, ultimately, failure.
12 pages added or updated in the last 1 month
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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 | 238 ft 7 inch |
| Beam | 23 ft 6 inch |
| Draught | 13 ft 3 inch |
| Displacement | 914 tons (surface) |
| 1089 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 |
| Armament | 4 x 18 inch bow tubes |
| 2 x 18 inch beam tubes | |
| (10 torpedoes carried) | |
| 1 x 4 inch gun | |
| 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) | |
| Complement | 38 |
On the 12th January 1950, HM Submarine Truculent spent the day at sea off the Thames Estuary carrying out trials, following a long refit. Apart from the full crew, there were 18 civilian dockyard officials on board to make any last minute adjustments, as she was due to sail for Scotland the next day. As she made her way up to the Medway Approaches, the Officer of the Watch conned the submarine on the surface. Traffic in the river was heavy and the steaming lights of many ships on their way into and out of the Port of London were clearly visible on all sides.
A landmark history of the U-Boat war told through the experiences and recollections of the U-Boat crews themselves.
Winston Churchill famously remarked that the threat of the German U-Boats was the only thing that had "really frightened" him during World War Two. The U-Boats certainly claimed a bitter harvest among Allied shipping: nearly 3,000 ships were sunk, for a total tonnage of over 14 million tonnes, nearly 70% of Allied shipping losses in all theatres of the war. With justification, then, they are an integral part of the traditional narrative of the Battle of the Atlantic; a story of technological brilliance, dramatic sinkings, life and death, and, of course, the sinister, unseen threat of the U-Boats themselves.
For Allied seamen during the war, the U-Boat was a hidden menace, a faceless killer lurking beneath the waves; and the urgent needs of survival afforded them little time or energy to consider the challenges and privations of their enemy. History, however, affords us that time and energy, and any pretence of comprehensiveness demands that we consider what life was like for the crews of those most claustrophobic vessels; packed into a steel hull, at the mercy of the enemy, of the elements, and of basic physics.
Germany’s U-Boat crews posted the highest per-capita losses of any combat arm during World War Two. Some 30,000 German submariners were killed, over 75% of the total number deployed, the vast majority of whom have no grave except the seabed. Using archival sources, unpublished diaries and existing memoir literature, this book will give the U-Boatmen back their voice, allowing their side of the narrative to be aired in a comprehensive manner for the first time.
With that testimony, Wolfpack takes the reader from the heady early days of the war, when U-Boat crews were buoyed with optimism about their cause, through to the challenges of meeting the Allied counterthreat, to the final horror of defeat, when their submarines were captured by the enemy or scuttled in ignominy. Using the U-Boatmen’s own voices to punctuate an engaging narrative, it tells their story; of courage, certainly, but also of fear, privation and, ultimately, failure.
12 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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