Related time notes
- What happens if France joins the Russo-Japanese war from the beginning?57:18Could wartime pressure accelerate depth-charge development?Notable Point
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII8:08Shimushu's treaty-sized escort specificationNotable Point
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII10:00Fisheries patrol, minesweeping and convoy defenceChapter
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII16:53Why an initial depth-charge allowance can misleadNotable Point
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII27:48Mikura's gun layout and larger anti-submarine loadChapter
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII28:32Mortars, projectors and fluid weapon terminologyNotable Point
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII32:00Ukuru and the difference between reserved space and fitted weaponsNotable Point
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII46:19Type C's basic convoy escort specificationChapter
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII50:51Why depth-charge attacks needed several shipsChapter
- Kaibōkan: The Imperial Japanese Navy Corvettes of WWII1:03:13Armed trawlers as useful additions to an escort groupNotable Point
- Japanese Destroyers of WWII: Quantity is a Quality of it's own, it can also be a Decisive one9:22Shimakaze's armament and wartime defensive additionsNotable Point
- Japanese Destroyers of WWII: Quantity is a Quality of it's own, it can also be a Decisive one16:55Yugumo's second torpedo salvo depended on survivalNotable Point
- Japanese Destroyers of WWII: Quantity is a Quality of it's own, it can also be a Decisive one28:27Akizuki's weapons and radar for task-group screeningNotable Point
- Bruships 264: Naval History Questions Answered Live3:43:08Estimating a US destroyer's helicopter ordnanceQ&A
- Soviet Destroyers of the 1930s: Trying to Rebuild/Build a navy in the face of heart led shipyards...14:32Leningrad's guns, torpedoes and fast minelaying roleNotable Point
- Soviet Destroyers of the 1930s: Trying to Rebuild/Build a navy in the face of heart led shipyards...25:47Opytny's endurance shortfall and intended fighting powerNotable Point
- Soviet Destroyers of the 1930s: Trying to Rebuild/Build a navy in the face of heart led shipyards...34:57Project 7's flexible destroyer armamentNotable Point
- Royal Navy Destroyers of WWI...29:36Parker-class improvements to the destroyer leaderChapter
- Royal Navy Destroyers of WWI...40:17S-class destroyers and the demand for wartime numbersChapter
- Royal Navy Destroyers of WWI...1:03:07Shakespeare-class leaders: command space and a fifth gunChapter
- USN Destroyers Fletcher to Gearings9:05Fletcher guns, torpedoes, range, and machineryChapter
- The "M" Class destroyers of WWI: The Grand Fleet's Workhorses...30:04Following a torpedo track before sonarNotable Point
- What the unbuilt destroyers of the Regia Marina tell us about WWII?5:05A larger hull with a multi-role weapons loadChapter
- What the unbuilt destroyers of the Regia Marina tell us about WWII?30:17The overlooked Mediterranean submarine warChapter
- What the unbuilt destroyers of the Regia Marina tell us about WWII?33:03Gunpower versus anti-submarine capacityChapter
- Bruships 258: Naval History Questions Answered Live20:02Did explosive training produce fish dinners?Q&A
- HMS Walker: A Reliable Warrior in Two World Wars46:15Asdic contact and coordinated depth-charge attacksNotable Point
- What happens if WWII took place as scheduled... after 1942? (Patreon)2:17:50How could a friendly destroyer's depth charges damage a battleship?Q&A
- Nazi Destroyers of WWII: Failing to Learn, Failing to Build, Failing to Deliver...56:21A submarine must find and approach the moving convoyNotable Point
- Bruships 252: Naval History Questions Answered Live...take 242:20Would an 18-inch gun make a useful anti-submarine mortar?Q&A
- Bruships 252: Naval History Questions Answered Live...take 243:46Would larger ASW rounds improve reliability or depth performance?Q&A
- Jeune Ecole Batch 2... The French Destroyers up to WWI38:29Wartime weapons upset a finely balanced designNotable Point
- Bruships 240: Naval History Questions Answered Live...4:03:39Gun-fired defenses against shallow-running uncrewed craftNotable Point
- Special Catch Up Ramblings on Behalf of @TheFleetOfOceans2:18:22Armed tugs against U-boatsQ&A
- HMS Walker(D27); a destroyer of two World Wars(Live)1:13:31Extra depth charges and improvised launching arrangementsNotable Point
- HMS Walker(D27); a destroyer of two World Wars(Live)1:51:07Walker's true depth-charge load is uncertainQ&A
- Bruships 232: Naval History Questions Answered Live...1:30:19How to refine the Yugumo-class destroyerQ&A
- Operation Deadlight(not Deadbeat)... scuttling U-Boats(Live)1:39:00U-3514 and Deadlight weapons testsChapter
- Harnessing and Maintaining Thoughtful Aggression! Royal Navy Destroyers of the Interwar Years...56:04Alphabet classes grow around the torpedo attackChapter
- Harnessing and Maintaining Thoughtful Aggression! Royal Navy Destroyers of the Interwar Years...1:07:34I-class destroyers add endurance and supporting weaponsNotable Point
- Harnessing and Maintaining Thoughtful Aggression! Royal Navy Destroyers of the Interwar Years...1:24:05What an early twin 4.7-inch mount might changeNotable Point
- Tragedy & Revenge/Wolfpack... Key Books!34:40U-100 loses propulsion before Vanoc's rammingChapter
- Tragedy & Revenge/Wolfpack... Key Books!35:19U-99's crash dive ends in damage, rescue, and scuttlingChapter
- Why the different major navies used Cruiser Aviation in the 1920s&30s...1:10:20Submarine shock shapes British cruiser cautionNotable Point
- The World Naval Review 2026: A Great Key Book Series20:36Falklands lessons lead to depth fuses for existing bombsNotable Point
- Exploring the meme: Top 5 & Bottom 5 inventions/systems of war that started in British Sheds(Live)1:20:15The hydrostatic pistol made depth charges practicalChapter
- Exploring the meme: Top 5 & Bottom 5 inventions/systems of war that started in British Sheds(Live)1:24:00Helicopter depth charges retained in the 2025 discussionNotable Point
- Exploring the meme: Top 5 & Bottom 5 inventions/systems of war that started in British Sheds(Live)1:25:06Why did inventors need physical demonstrations?Q&A
- Exploring the meme: Top 5 & Bottom 5 inventions/systems of war that started in British Sheds(Live)1:27:28Why depth charges still matter in shallow waterNotable Point
- 36hrs Live Historiophon 2025: P9 of 9 - A Movie Star in the Making: HMS Portchester Castle5:35:08Otto Kretschmer's depth-charged surrenderQ&A
- 36hrs Live Historiophon 2025: P6 of 9 - The Royal Navy’s Submarine Killers – Black Swans at War8:22:41Black Swan armament, endurance, and wartime lossesChapter
- Bruships 217: Back from Japan 2025: Jetlag is a Myth - Naval History Questions Answered Live...3:17:47When depth charges damaged surface combatantsQ&A
- Bruships 212: Naval History Questions Answered Live...After Power Cut2:09:12The Royal Navy receives hundreds of Gearing-class destroyers in 1940Q&A
- Torpex: A Short History of it's History...9:16RDX research targets stronger depth chargesChapter
- Torpex: A Short History of it's History...31:19War accelerates implementation more than inventionNotable Point
- Bruships 206: Naval History Questions Answered Live...8:00Why ASW rockets suit the BalticQ&A
- Bruships 206: Naval History Questions Answered Live...1:45:32Defending ships against near-surface UUVsQ&A
- Bruships 206: Naval History Questions Answered Live...2:12:01Why modern ASW rockets are usually 300 mm or largerQ&A
- Bruships 194: Naval History Questions Answered Live...38:28How ASROC could complement Royal Navy helicoptersQ&A
- Bruships 191: Naval History Questions Answered Live...2:50:56The newspaper report that exposed shallow Japanese depth chargesQ&A
- Bruships 180: Naval History Questions Answered...Part II1:26:17Why battleships briefly carried depth-charge throwersQ&A
- The Leadership Factor: The Battle of the Barents Sea1:47:07Small escorts explored improvised weapons against surface raidersNotable Point
- Battle of the Barents Sea: Naval History Live2:12:45British destroyer gun and torpedo fits for different escort rolesNotable Point
- Prof Mercogliano & Dr C Discuss What is going on with Logistics(Shipping)? #2Historians Ep 550:43World War I suppression tactics anticipated hunter-killer groupsNotable Point
- Frigating in WWII for the Allies: HMAS Diamantina & the River Class Frigates45:56Diamantina's convoy-defense weapons fitChapter
- Frigating in WWII for the Allies: HMAS Diamantina & the River Class Frigates1:02:25USS Natchez joined the attack that sank U-879Notable Point
- Built in Australia: HMAS Castlemaine & the Bathurst Class Corvettes27:19Deloraine and supporting escorts hunted I-124Notable Point
- Essay Competion, UAD ship design & Questions: Third 9 of the 36hr Historiophon Part 3/42:08:44Japanese anti-submarine shells for five-inch gunsQ&A
- Essay Competion, UAD ship design & Questions: Third 9 of the 36hr Historiophon Part 3/47:38:39HMS Dianthus made certain a U-boat could not escapeNotable Point
- Questions, Flower Class & the Essay Competition: First 9 of the 36hr Historiophon Part 1/43:51:46How Flowers gained weapons, sensors, and endurance during the warChapter
- Bruships 167: Tell me why, everything turned book – packing up, stacking up is all kalax want to do.2:56:45Hedgehog accuracy versus depth-charge totalsQ&A
- Royal Navy Submarines vs Axis Warships: WWII in every theatre, Patreon Premier1:05:10Splendid's loss to Hermes and her commander's escapeChapter
- Bruships 157: Books so good they've blown the budget on the #ScandiShip24 tour already!1:33:20An early snorkel accelerates the First World War ASW cycleQ&A
- Damage Control - The WWII Aircraft Carriers Edition; when it went wrong & when it went right1:54:17Hammann's loss and depth charges undo Yorktown's salvage workNotable Point
- The Drivers of the Evolution of Carrier Air Groups...55:43Helicopters keep ASW inside the carrier groupNotable Point
- Check Campaign 15: UAD has updated & to Learn it's new ways I started another British Campaign2:38:39An Alaska-inspired cruiser meets the game's hull limitsChapter
- Bruships 140 - Patreon Suggestions, Some Interesting Books (Hopefully) & Lots of Naval History Qs!12:23Why depth charges are poor weapons against undersea tunnelsQ&A
- What changes if Helicopters are at their third generation in 1939?1:14:03Helicopter convoys overwhelm surface-operating U-boatsChapter
- Patreon 95: Helios on Route- A lucky development of helicopters & appropriate tech in 1930s1:32:23An ASDIC escort holds contact while helicopters attackNotable Point
- Patreon 95: Helios on Route- A lucky development of helicopters & appropriate tech in 1930s1:42:41Why Hedgehog and Squid do not replace helicopter depth chargesQ&A
- Patreon 91: Flower class sloops: The most key ship of the 20th century?1:11:38Judge a sloop by its mission, not first-rate statusChapter
- Patreon 91: Flower class sloops: The most key ship of the 20th century?1:16:36Ramming submarines was an escort tacticQ&A
- Bruships 130: Battleships1:18:33Depth-charge cluster munitions from 86Q&A
- Unrotated Projectiles to Hypersonics: Some History & thoughts on Missiles as part of navies52:23Anti-submarine missiles deliver torpedoes beyond the shipChapter
- A Ultimate Admiral Dreadnoughts Campaign: Building a Battle Cruiser Navy... part 92:07:12Trading speed for a tougher, harder-hitting Chester classChapter
- Why WWII evolved Motor Torpedo Boats in Motor Gun Boats: Pacific, Black Sea & Baltic Designs20:44The US Navy excluded a ready sea-sled starting pointNotable Point
- Why WWII evolved Motor Torpedo Boats in Motor Gun Boats: Pacific, Black Sea & Baltic Designs37:24Elco PT boats carried field-modified firepowerChapter
- Why WWII evolved Motor Torpedo Boats in Motor Gun Boats: Pacific, Black Sea & Baltic Designs43:02PT-658 left the factory as a heavily armed gunboatNotable Point
- How & Why during WWII MTBs became MGBs: European & Mediterranean Theatre1:33:13Fairmile C: the motor gun boat arrivesNotable Point
- Bruships: Naval History Questions answered till the Bru runs out!1:20:59Why wartime depth-charge loads exceed the handbookQ&A
- The Hunt Class: The WWII Royal Navy's Escort Destroyers - Key Ship Series 6, Ship 310:10HMS Berkeley and the Type I fitChapter
- The Hunt Class: The WWII Royal Navy's Escort Destroyers - Key Ship Series 6, Ship 321:38Type II Hunts: more guns and depth chargesNotable Point
- The Hunt Class: The WWII Royal Navy's Escort Destroyers - Key Ship Series 6, Ship 354:22The Type IV trade-off: torpedoes for escort enduranceNotable Point
- Black Swan Class: The F-22 of WWII ASW? - Key Ships Series 6, Episode 212:25Gun mounts and the real depth-charge loadNotable Point
- Black Swan Class: The F-22 of WWII ASW? - Key Ships Series 6, Episode 229:42HMS Wren’s hybrid Black Swan characteristicsNotable Point
- Egret Class: The First Class to lose as ship to a guided missile - Key Ships Series 6, Episode 117:11HMS Pelican's four U-boat actions and long serviceNotable Point
- A Ultimate Admiral Dreadnoughts Campaign: Building a Battle Cruiser Navy...2:51:01Designing destroyers for close defence and mine warfareChapter
- Western Approaches Tactical Unit(WATU)39:20Pineapple and Banana separate pack from single-boat attacksChapter
- HMCS Haida Comment Response21:13Could destroyers replenish torpedoes and depth charges at sea?Q&A
- Some Books Aquired So Far in #NavHistAus23! Brisbane25:14Fremantle as a multinational submarine baseChapter
- HMS Cossack: Key Ships Series 3, Ship 1...special edition...46:37Cossack's loss and the destroyer's vulnerable routine missionNotable Point
- The Submarine Century? How Submarines evolved over the 20th Century56:21Interwar boats: endurance, radio, and fleet coordinationChapter
- 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
- Gunboats of the 1920s, 1930s & WWII including Dragonfly Class39:38HMS Locust's Dunkirk service, refit, and survivalNotable Point
- Gunboats of the 1920s, 1930s & WWII including Dragonfly Class1:21:39Fairmile C stopgap gunboatsNotable Point
- Dragonfly Class and other Gunboats Service in WWII56:55Locust survives and becomes a headquarters shipNotable Point
- Dragonfly Class and other Gunboats Service in WWII2:21:10Could night gunboats deter coastal submarines?Q&A
- HMCS Haida & The Tribal Class: Always Service57:18Tribal ASW loadouts and the limits of official figuresNotable Point
- Soviet Navy 1918-19911:23:59Soviet destroyer armament balanced guns, torpedoes, and minesNotable Point
- Bruships 96: Vikings, Okinawa & 2nd to Last Pre-Christmas 2022 Naval Chat1:31:45Depth charges by total kills, Hedgehog by wartime effectQ&A
- HMCS Sackville & The Flower Class1:11:11Four-inch gun, Hedgehog, and depth-charge patternsChapter
- HMCS Sackville & The Flower Class1:19:52From lanyard charges to K-gun attack patternsNotable Point
- Soviet Navy Part 1/3: 1918-193945:02Gnevny destroyers and a fleet that could be builtNotable Point
- Cressy(1899) Class: Famous for the Wrong Things - 19th Century Cruisers Series 2 Part 121:25:54Civilian rescue and the anti-submarine gap after U-9Notable Point
- Châteaurenault (1898): The French Columbia Class... (19th Century Cruisers Series 2 Part 9)34:27UC-38's single hit and the rescue of both crewsChapter
- Bruships 91: New Books & Cruiser Books3:21:53Scheme Z relied on uncertain morale effectsNotable Point
- Bruships 90: Books From the Road3:18:03John Lambert's drawings expose the engineering detail of escort weaponsChapter
- Escort Carriers, the idea, designs, development and some notable operations23:19Escort carriers anchor the Royal Navy's late-war ASW systemChapter
- Patreon 63: Escort carriers, the idea, designs, development and notable operations24:51Why merely forcing a U-boat to dive matteredChapter
- Patreon 63: Escort carriers, the idea, designs, development and notable operations45:59How the Swordfish hunted submarinesChapter
- Patreon 63: Escort carriers, the idea, designs, development and notable operations55:53Was Hedgehog inspired by aircraft depth charges?Q&A
- Town Class 1913 +: Birmingham & Birkenhead Classes + HMAS Adelaide38:27How wartime learning reshaped HMAS AdelaideChapter
- Questions & Answers on Naval History till the Bru Runs Out 21:22:34Air-dropped depth charges versus Hedgehog and SquidQ&A
- Five Weaknesses of Allied/Axis/Minor Navies in 1939 & 1940; Response to some Comments52:28Destroyer crews improvising attacks on bridgesQ&A
- Bruships 83: New Books & Random Books for Random Times2:42:58How heavier depth charges widen the submarine kill zoneQ&A
- Patreon 59: Infrastructure in the Colonies: shipyards of the Commonwealth and Empire.2:00:14South African shipbuilding could guard the Cape routesChapter
- The Jeune Ecole in 30mins or Less10:51France pursues an effective early submarine forceNotable Point
- Blonde Class(Take 2): Scout Cruisers of the WWI Royal Navy (Long Patrol)23:22HMS Blonde from flotilla leader to minelayerChapter
- Equitable London Treaty: Summary (Long Patrol)1:05:00How escort mass could disrupt U-boat learningNotable Point
- Equitable London Treaty: Sloops & Other Ships (Long Patrol)7:13Unlimited sloops for anti-submarine warfareChapter
- Equitable London Treaty: Sloops & Other Ships (Long Patrol)33:17ASW needs hulls for contact and attackChapter
- Equitable London Treaty: Sloops & Other Ships (Long Patrol)45:39Black Swan capability on a common hullChapter
- Equitable London Treaty: Destroyers (Long Patrol)28:40Modern destroyer missions demanded more displacementChapter
- 1939 Destroyer Doctrine: Patreon 50 (Long Patrol)33:17Match destroyer weapons to the threatNotable Point
- All Forward Main Guns: Patreon 46 Nelsons, Dunkerques, Tones and Battles (Long Patrol)1:10:18Battle-class destroyers: guns forward, air defence aftNotable Point
- The Principles and Factors of Cruiser Design(Live)1:18:50Why did cruisers carry depth charges?Q&A
- 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
- ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)26:16Kingfishers, trawlers, and coastal convoy defenceNotable Point
- ASW and Submarine Warfare in the Inter-War Royal Navy: 1920s & 1930s (Long Patrol)28:37Why Hedgehog took time to reach serviceNotable Point
- 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
- Patreon 41: RN Strategic & Tactical thinking on submarines & anti-submarine forces between the Wars2:39:34Escort captains carried as many depth charges as space allowedQ&A
- Patreon 33: Amphibious ship development from 1980's to modern day.3:23:34Early homing torpedoes did not replace ASW weapons overnightQ&A
- 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
- Shipbuilding through the 1880s-1950s1:58:11Could a sloop switch between depth-charge and mine work?Q&A
- Battle of the Atlantic (Original): Comment Response15:31Hedgehog and depth charges damaged submarines differentlyQ&A
- Battle of the Atlantic (Original): Crackpot Schemes or Good Ideas Badly Done p7/72:39Escort orders and the 1938 answerNotable Point
- Battle of the Atlantic (Original): Crackpot Schemes or Good Ideas Badly Done p7/718:04ASW weapons and institutional learningNotable Point
- Cruiser Submarine: Crackpot Schemes or Good Ideas Badly Done p5/76:28Gun-mount weight and waterproofingNotable Point
- “Coastal Command in the 1920s & 1930s”1:53:52Interwar depth charges gained explosive powerQ&A
- “Coastal Command in the 1920s & 1930s”2:52:11Coastal Command's wartime anti-submarine combinationQ&A
- Bruships 43: Aircraft Carriers & Naval Aviation2:58:12How Swordfish attacked submarinesQ&A
- Bruships 25 - Some More Naval Aviation4:17:24The difficulty of attacking a submarine below 1,000 metresQ&A
- Flower Class Shorts no 5: HMS Coreopsis1:36Coreopsis's weapons and operating requirementsNotable Point
- Flower Class Shorts no 4: HMS Polyanthus2:07Guns and depth charges behind the disguiseNotable Point
- 2 Minutes: HMS Rutherford1:16HMS Rutherford's guns and anti-submarine armamentNotable Point
- How the RN countered E-Boats in the English Channel - Patreon 7 Introduction Part 2 of 38:39Fairmile D "Dog Boats" as E-boat fightersChapter
- Bru Ships Episode 18: Really Big Books, Themed Books to Review & a general Q/A1:54:46From depth-charge concussion to ASW mortarsQ&A
- The Ships: An Introduction to the Convoy war & the Perfect Storm of PQ17… P2/35:34HMS Ayrshire and wartime reserve commandNotable Point
- The Ships: An Introduction to the Convoy war & the Perfect Storm of PQ17… P2/311:51How small escorts accumulated firepowerNotable Point
- The Ships: An Introduction to the Convoy war & the Perfect Storm of PQ17… P2/318:13Trawlers as the convoy war's mass escort forceNotable Point
- Battle of Atlantic: An Introduction to The Convoy war & the Perfect Storm of PQ17… P1/310:53From ramming to ASDIC and depth-charge attacksChapter
- Tsingtao 1939: WWII but in January & against Japan - P5b Introduction to Patreon Video 412:59An old cruiser makes convoy attacks costlyNotable Point
- Tsingtao 1939: WWII but in January & against Japan - P5a Introduction to Patreon Video 49:26Peacetime procurement and a balanced fleetChapter
- P2 Introduction to Pre-Tribal Class Destroyers of the RN15:06Brazilian H-class orders and HMS InglefieldNotable Point
- 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
- 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
- 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
- An Introduction to the "D" Class Cruisers Part 1 of 223:45Removing aircraft gear and strengthening air defenceNotable Point
- Minesweepers, Torpedo Boats & Gunboats – the ‘Littleships’ of the big war41:00Using depth charges against a pursuing S-boatNotable Point
- Minesweepers, Torpedo Boats & Gunboats – the ‘Littleships’ of the big war1:39:40Depth charging fish shoals after Operation TorchNotable Point
- An introduction to the ‘Littleships’ of the big war Part 1 of 212:15Admirable-class minesweepers packed escort weapons into a small hullNotable Point
- An introduction to the ‘Littleships’ of the big war Part 1 of 228:05Fairmile D dog boats hunted Schnellboots with guns and depth chargesChapter
- Sloops during the Inter-War – what were they for?1:34:15Sloops could be fitted rapidly for depth chargesQ&A
- Tribal Class in 60s (Combined)3:05Gun-heavy layout and advanced fire controlNotable Point