Topic

Asdic

Also searchable as Asdics.

Related time notes

  1. Rise of the Frigate Navies: Why so many nations are going Frigate and why others want them as well!
    2:05:20From ASDIC escorts to uncrewed submarine-hunting groupsChapter
  2. Soviet Destroyers of the 1930s: Trying to Rebuild/Build a navy in the face of heart led shipyards...
    18:09Leningrad's speed, sensors and limited cruising enduranceNotable Point
  3. What the unbuilt destroyers of the Regia Marina tell us about WWII?
    37:18Judging first-generation radar on its own termsNotable Point
  4. Bruships 257: Alternate History & Naval History Questions Answered Live...
    1:04:13A Chinese submarine success could redirect Japanese ASW researchQ&A
  5. Bruships 257: Alternate History & Naval History Questions Answered Live...
    1:08:13World War I losses shaped British cruiser ASWNotable Point
  6. HMS Walker: A Reliable Warrior in Two World Wars
    46:15Asdic contact and coordinated depth-charge attacksNotable Point
  7. WWI delayed by six years? What would the Navies look like? (Patreon Alternate History)
    2:55:50The Type XXI faced a 1945 anti-submarine systemQ&A
  8. WWI delayed by six years? What would the Navies look like? (Patreon Alternate History)
    3:31:02Could hydrophones and ASDIC mature without the war?Q&A
  9. Bruships 247: Science Fiction & Naval History Questions Answered Live...
    2:38:46Why the sabotage counterfactual selects British ASDICQ&A
  10. How Ship Design is a reflection of Navy's attempts to balance technology, strategy and memory...
    0:52Why British cruisers carried ASDICNotable Point
  11. Bruships 231: Alternate History & Naval History Questions Answered Live...
    1:44:26What capital-ship hydrophones and ASDIC achievedQ&A
  12. Harnessing and Maintaining Thoughtful Aggression! Royal Navy Destroyers of the Interwar Years...
    56:04Alphabet classes grow around the torpedo attackChapter
  13. Harnessing and Maintaining Thoughtful Aggression! Royal Navy Destroyers of the Interwar Years...
    1:07:34I-class destroyers add endurance and supporting weaponsNotable Point
  14. Why the different major navies used Cruiser Aviation in the 1920s&30s...
    1:10:20Submarine shock shapes British cruiser cautionNotable Point
  15. Bruships 222: Naval History Questions Answered Live...
    10:40British stockpiles in 1937: pom-poms, ASDIC, armor and radarQ&A
  16. 36hrs Live Historiophon 2025: P9 of 9 - A Movie Star in the Making: HMS Portchester Castle
    44:36Using foreknowledge to accelerate ASDIC, convoys, and escortsQ&A
  17. 36hrs Live Historiophon 2025: P6 of 9 - The Royal Navy’s Submarine Killers – Black Swans at War
    8:05:17How ASDIC reshaped anti-submarine shipsChapter
  18. 36hrs Live Historiophon 2025: P6 of 9 - The Royal Navy’s Submarine Killers – Black Swans at War
    8:05:49When did active underwater sound research begin?Q&A
  19. Historiophon 2025: part 2 of 9 - Friends of HMCS Haida
    11:05:37How wartime experience changed fears of air and submarine attackQ&A
  20. Procuring for Peace First Draft
    1:02:01Sloops turned ASW experiments into Flower-class requirementsChapter
  21. Darings to Countys... and beyond; How Royal Navy Fleet Destroyer design evolved in the Missile Age
    32:04Falklands combat exposed the limits of missile exercisesNotable Point
  22. What the Royal Navy thought of Coral Sea, Midway and Leyte Gulf?
    51:14Why the Royal Navy invested in night shadowingNotable Point
  23. Didos, Atlantas & Conversions: Which were the true Screening, Scouting or AA Cruisers of WWII?
    29:13Why Didos carried ASDIC without becoming submarine huntersNotable Point
  24. Bruships 184: Naval History Questions Answered Live...
    14:08Why interwar anti-submarine development appeared slowQ&A
  25. Bruships 180: Naval History Questions Answered...Part II
    47:24Royal Navy anti-submarine preparation between the warsQ&A
  26. Bruships 176: Christyear or Newmas?
    1:22:05Why more interwar ASDIC money alone was not enoughQ&A
  27. Frigating in WWII for the Allies: HMAS Diamantina & the River Class Frigates
    3:15Diamantina's stable hull and ASDIC dome in dry dockChapter
  28. Frigating in WWII for the Allies: HMAS Diamantina & the River Class Frigates
    41:21Command, sensors, and the open bridgeChapter
  29. Anti Submarine Warfare, a primer history & overview
    2:24:13Who invented ASDIC?Q&A
  30. Built in Australia: HMAS Castlemaine & the Bathurst Class Corvettes
    9:29ASDIC and production capacity set the corvette's size limitsNotable Point
  31. Built in Australia: HMAS Castlemaine & the Bathurst Class Corvettes
    27:19Deloraine and supporting escorts hunted I-124Notable Point
  32. Built in Australia: HMAS Castlemaine & the Bathurst Class Corvettes
    1:05:33Submarine alerts complicated towing and boiler maintenanceNotable Point
  33. Built in Australia: HMAS Castlemaine & the Bathurst Class Corvettes
    1:07:44Castlemaine's convoy routine demanded endurance and alertnessChapter
  34. Essay Competion, UAD ship design & Questions: Third 9 of the 36hr Historiophon Part 3/4
    7:00:27British submarine priorities and the missed value of snorkelsNotable Point
  35. Questions, Flower Class & the Essay Competition: First 9 of the 36hr Historiophon Part 1/4
    3:51:46How Flowers gained weapons, sensors, and endurance during the warChapter
  36. Bruships 167: Tell me why, everything turned book – packing up, stacking up is all kalax want to do.
    2:40:08How NATO standardization reshaped naval terminologyQ&A
  37. Royal Navy Submarines vs Axis Warships: WWII in every theatre, Patreon Premier
    46:23Treaty submarine parity and confidence in ASDICNotable Point
  38. Check Campaign 24: UAD has updated & to Learn it's new ways I started another British Campaign
    2:12:01The First World War origins of towed sonarNotable Point
  39. Lexington Class: The First Modern Carriers?
    58:03Aviation fuel exposes a carrier survivability problemNotable Point
  40. Patreon 95: Helios on Route- A lucky development of helicopters & appropriate tech in 1930s
    1:32:23An ASDIC escort holds contact while helicopters attackNotable Point
  41. Bruships(New Years Eve): Naval History Questions answered till the Bru runs out!
    2:52:29Japanese escorts in the Battle of the AtlanticQ&A
  42. What Happens If Whittle is supported & Britain develops Jet Engines + Gas Turbines in 1930s
    1:20:03Early radar changes carrier and submarine warfareNotable Point
  43. 'S' Class Submarines: The Royal Navy's All Rounders for WWII - Key Ship Series 7 Ship 7
    22:30ASDIC managed the submarine threat rather than eliminating itNotable Point
  44. Acacia Class: Batch 1 of World War I's Flower Class - Key Ships Series 7, Ship 2
    40:12A practical ASDic modernization caseNotable Point
  45. Acacia Class: Batch 1 of World War I's Flower Class - Key Ships Series 7, Ship 2
    43:33What six extra sloops might have changed in 1939Notable Point
  46. WWII if Norway Wins & Operation Weserübung Fails...
    56:36U-boat endurance makes the North Sea a strategic choke pointChapter
  47. Why WWII evolved Motor Torpedo Boats in Motor Gun Boats: European & Mediteranean theatres
    42:43Fairmile A: an anti-submarine starting pointChapter
  48. Why WWII evolved Motor Torpedo Boats in Motor Gun Boats: European & Mediteranean theatres
    47:43Fairmile B improvised armament and submarine huntingChapter
  49. Some Myths of the Royal Navy in WWII & Treaty Years
    40:50Courageous and the danger of exercise biasNotable Point
  50. HMS Ark Royal(1937): Key Ships Series 3, Ship 9
    31:30The risk of using fleet carriers as submarine huntersNotable Point
  51. Western Approaches Tactical Unit(WATU)
    46:26The Beta search shapes a U-boat's escapeNotable Point
  52. HMS Cossack: Key Ships Series 3, Ship 1...special edition...
    46:37Cossack's loss and the destroyer's vulnerable routine missionNotable Point
  53. Ship-Shape Special: Alex & Garius Command a Carrier... How bad can this be?
    2:00:06Why night carrier operations took time to learnQ&A
  54. The Submarine Century? How Submarines evolved over the 20th Century
    54:30Convoys, ASDIC, and the real objective of anti-submarine warfareNotable Point
  55. The Submarine Century? How Submarines evolved over the 20th Century
    56:21Interwar boats: endurance, radio, and fleet coordinationChapter
  56. Patreon 73: Queen Elizabeth class battleships - Brave first step, faltering leap or something else?
    2:03:55Why an early German submarine turn would be dangerousNotable Point
  57. Patreon 72: If Jan 1939 Tsingtao incident leads to war, how does RN carrier force fair against IJN?
    2:19:11The Royal Navy answer to Japanese submarinesQ&A
  58. Dragonfly Class and other Gunboats Service in WWII
    1:23:22How sloop orders could strengthen the naval industrial baseNotable Point
  59. Dragonfly Class and other Gunboats Service in WWII
    2:21:10Could night gunboats deter coastal submarines?Q&A
  60. USS Wichita: Comment Response
    3:58Cruiser sonar and ASW role debateChapter
  61. USS Wichita: Comment Response
    14:27Royal Navy pink lists and cruiser readiness codesNotable Point
  62. HMCS Haida & The Tribal Class: Always Service
    57:18Tribal ASW loadouts and the limits of official figuresNotable Point
  63. HMCS Haida & The Tribal Class: Always Service
    1:08:38How Haida turned ASDIC contacts into ASW attacksNotable Point
  64. HMCS Sackville & The Flower Class
    1:11:11Four-inch gun, Hedgehog, and depth-charge patternsChapter
  65. HMCS Sackville & The Flower Class
    1:13:47How Hedgehog let one escort keep attacking a submarineNotable Point
  66. HMCS Sackville & The Flower Class
    1:19:52From lanyard charges to K-gun attack patternsNotable Point
  67. HMCS Sackville & The Flower Class
    1:43:00How ASDIC and Type 271 divided the submarine searchChapter
  68. HMCS Sackville & The Flower Class
    1:43:00Steering, blackout, and quiet ASDIC work in the wheelhouseNotable Point
  69. HMCS Sackville & The Flower Class
    1:44:10How ASDIC sets developed around ships and weaponsNotable Point
  70. Cressy(1899) Class: Famous for the Wrong Things - 19th Century Cruisers Series 2 Part 12
    1:25:54Civilian rescue and the anti-submarine gap after U-9Notable Point
  71. Bruships 89: New Books (Christmas Recomendations) & Personal Accounts of War
    1:36:58Defending fleets and ports against Kaiten submarinesQ&A
  72. Escort Carriers, the idea, designs, development and some notable operations
    1:41Why trade-protection carriers stalled before the warChapter
  73. Escort Carriers, the idea, designs, development and some notable operations
    23:19Escort carriers anchor the Royal Navy's late-war ASW systemChapter
  74. Patreon 63: Escort carriers, the idea, designs, development and notable operations
    24:51Why merely forcing a U-boat to dive matteredChapter
  75. Major Axis Navies: Five Problems & How to Fix them in January 1942
    14:10Escort production and crew survival defeated U-boat qualityChapter
  76. Equitable Naval Treaties Discussion (Live)
    1:29:51Why interwar sloops could still take wartime sensorsNotable Point
  77. Equitable London Treaty: Summary (Long Patrol)
    1:00:01The missed opportunity to mass-produce treaty-exempt sloopsChapter
  78. Equitable London Treaty: Summary (Long Patrol)
    1:05:00How escort mass could disrupt U-boat learningNotable Point
  79. Equitable London Treaties: Submarines & Fortifications (Long Patrol)
    0:52Submarines as sea-denial insuranceChapter
  80. Equitable London Treaty: Sloops & Other Ships (Long Patrol)
    7:13Unlimited sloops for anti-submarine warfareChapter
  81. Equitable London Treaty: Sloops & Other Ships (Long Patrol)
    28:47More patrol craft at Scapa FlowNotable Point
  82. Equitable London Treaty: Sloops & Other Ships (Long Patrol)
    33:17ASW needs hulls for contact and attackChapter
  83. Equitable London Treaty: Destroyers (Long Patrol)
    28:40Modern destroyer missions demanded more displacementChapter
  84. Finnish War 1808-9 (214th Anniversary of the Battle of Kuopio)
    2:47:03Small-warship production builds industrial depthNotable Point
  85. Finnish War 1808-9 (214th Anniversary of the Battle of Kuopio)
    2:47:56When ASDIC exercises met a different warQ&A
  86. Finnish War 1808-9 (214th Anniversary of the Battle of Kuopio)
    2:54:13Was ASDIC fitted for but not with?Q&A
  87. 1939 Destroyer Doctrine: Patreon 50 (Long Patrol)
    33:17Match destroyer weapons to the threatNotable Point
  88. Patreon 50: 1939 Destroyer Doctrine of the combatant navies & Where did it come from?
    3:16:56How prepared were U.S. destroyers for U-boats?Q&A
  89. Patreon 48: Anglo-Japanese War in Feb 39 - if Tsingtao Incident goes "hot", what's IJN doctrine?
    3:09:28Would Germany reach the Type XXI before war in Europe?Q&A
  90. Bruships 73: Some Old, Some New, None Borrowed, but Some Blue
    3:24:39Knight of the North Atlantic reconstructs U-402's patrol warChapter
  91. Bruships 67: Cruising on through with Questions & Bru
    1:04:18Why peacetime ASDIC trials had limitsQ&A
  92. Bruships 67: Cruising on through with Questions & Bru
    1:12:06How Hedgehog changes an ASDIC attackQ&A
  93. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    0:58Why ASW cannot be reduced to ASDIC and depth chargesChapter
  94. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    20:12How ASDIC found a submerged submarineChapter
  95. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    21:47Why ASDIC struggled at high speed and in heavy weatherNotable Point
  96. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    22:19ASDIC was an evolving family of interwar systemsNotable Point
  97. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    31:29Mediterranean exercises gave ASDIC unusually good conditionsNotable Point
  98. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    41:48Every ASDIC improvement invited a submarine countermeasureNotable Point
  99. ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)
    42:37Why one escort could not easily destroy a submarineNotable Point
  100. Patreon 41: RN Strategic & Tactical thinking on submarines & anti-submarine forces between the Wars
    52:31Active ASDIC displaced passive listening during the 1920sQ&A
  101. Patreon 41: RN Strategic & Tactical thinking on submarines & anti-submarine forces between the Wars
    1:17:30ASDIC found range and bearing, not certaintyChapter
  102. Patreon 41: RN Strategic & Tactical thinking on submarines & anti-submarine forces between the Wars
    1:24:11Forward-thrown weapons aimed to free an escortChapter
  103. Patreon 41: RN Strategic & Tactical thinking on submarines & anti-submarine forces between the Wars
    1:39:19How an escort's own weapons could damage ASDICQ&A
  104. Patreon 34: Inter-war Naval Aircraft Development - what could have been?
    1:48:25Mercantilism, industrial capacity, and Japan's convoy weaknessNotable Point
  105. Patreon 32: Japanese heavy cruisers of the 1920s & 1930s, were they worth it?
    1:12:59Japanese cruisers and the limits of anti-submarine workQ&A
  106. Battle of the Atlantic (Original): Comment Response
    31:39Pre-war preparation did not remove ASDIC's limitsQ&A
  107. Battle of the Atlantic (Original): Crackpot Schemes or Good Ideas Badly Done p7/7
    2:39Escort orders and the 1938 answerNotable Point
  108. Battle of the Atlantic (Original): Crackpot Schemes or Good Ideas Badly Done p7/7
    18:04ASW weapons and institutional learningNotable Point
  109. Battle of the Atlantic (Redo): Crackpot Schemes or Good Ideas Badly Done p7/7
    1:27Dönitz's 300-submarine force calculationChapter
  110. Battle of the Atlantic (Redo): Crackpot Schemes or Good Ideas Badly Done p7/7
    6:55Escorts outbuild submarinesChapter
  111. Bruships 34: Random History
    2:35:27Operating ASDIC and Squid aboard Dumbarton CastleNotable Point
  112. 2 Minutes: HMS Rutherford
    1:45A radar-equipped command ship for motor torpedo boatsNotable Point
  113. Battle of Atlantic: An Introduction to The Convoy war & the Perfect Storm of PQ17… P1/3
    10:53From ramming to ASDIC and depth-charge attacksChapter
  114. Tsingtao 1939: WWII but in January & against Japan - P5a Introduction to Patreon Video 4
    9:26Peacetime procurement and a balanced fleetChapter
  115. Tsingtao 1939: WWII but in January & against Japan - P2b Introduction to Patreon Video 4
    48:10Submarine ambushes before the fleet battleNotable Point
  116. P2 Introduction to Pre-Tribal Class Destroyers of the RN
    11:12ASDIC changes hidden by a stable type labelNotable Point
  117. P1 Introduction to Pre-Tribal Class Destroyers of the RN (special guest; Fluffy Research Assistant)
    9:05HMS Amazon and the prototype leader ideaChapter
  118. P1 Introduction to Pre-Tribal Class Destroyers of the RN (special guest; Fluffy Research Assistant)
    16:22HMS Keith and the B-class size dilemmaNotable Point
  119. P1 Introduction to Pre-Tribal Class Destroyers of the RN (special guest; Fluffy Research Assistant)
    20:06The C-class and the cost of cutting a flotillaNotable Point
  120. An Introduction to Ships of the Convoy War; the Battle of Atlantic in Steel Part 4 Escort Destroyers
    6:43Numbers, experience, and new ASW weaponsNotable Point
  121. An Introduction to Ships of the Convoy War - the Battle of Atlantic in Steel Part 1 Corvettes...
    6:13ASDIC, depth charges, and the convoy missionChapter
  122. Minesweepers, Torpedo Boats & Gunboats – the ‘Littleships’ of the big war
    13:55The Basset class as an economical convoy defenderChapter
  123. Minesweepers, Torpedo Boats & Gunboats – the ‘Littleships’ of the big war
    16:16The Basset class as a risk-fleet escortNotable Point
  124. Bru Ships Episode 2b: Book Reviews/Q&A
    20:25ASDIC and sonar terminologyQ&A
  125. Bru Ships Episode 2a: Book Reviews/Q&A
    1:25:14How ASDIC spread across interwar naviesQ&A
  126. Exercises & War Gaming Rules in 1929
    1:10:58OC opened a wider problem of air-ASW cooperationNotable Point