Video

Bruships 134: Imperial Japanese Navy Books

Study Bruships 134: Imperial Japanese Navy Books, a Dr. Alex Clarke video from 7 Jan 2024, with 81 time notes. Topics include Heavy Cruisers, Imperial Japanese Navy, Live Q&A.

Date
Runtime3:54:51
Guide points81 time notes

Time notes

  1. 4:57
    QuestionWas Warspite's spotter aircraft involved in combat beyond directing the battleship's guns?Answer

    Yes. Its Swordfish probably shot down a Bf 109 in Norway and sank a submarine at Narvik, though some other reported exploits remain unconfirmed.

    Q&A
  2. 5:57
    QuestionWould the United States and Japan sign a treaty if Britain redesigned the N3 and G3 for 28 and 32 knots with all-forward guns?Answer

    The United States would have a strong incentive to sign, while Japan would face difficult choices because several of its competing designs already had problems.

    Q&A
  3. 7:54
    QuestionWhat was the idea behind converting Kitakami and Oi into torpedo cruisers?Answer

    They were intended to mass long-range torpedoes for night attacks, but the concept relied on an enemy following a predictable course and was vulnerable to zigzagging and radar.

    Q&A
  4. 14:04
    QuestionWhat makes early helicopters an interesting subject for naval aviation?Answer

    Their promise depends on matching the aircraft to a suitable platform and mission, and Whirlwind-type helicopters could serve varied roles including troop transport.

    Q&A
  5. 18:49
    QuestionWithout the naval treaties, who would want Courageous and Glorious as battlecruisers or coastal-defence ships?Answer

    Probably nobody: their limited gunnery arrangement, specialized shallow draft, and heavy maintenance demands made scrapping more likely than sale.

    Q&A
  6. 19:23
    QuestionWhat would the treaty navies build if each received Britain's allowance for two new battleships?Answer

    Most would build 16-inch battleships, while Britain would likely demand four ships and might divide them between slower heavily protected and faster designs.

    Q&A
  7. 27:01
    QuestionWould Britain consider a 30,000-ton purpose-built carrier after Argus, Furious, and Eagle without treaty limits?Answer

    Yes, although the most plausible starting point is one of the roughly 28,000-ton designs Britain had already studied.

    Q&A
  8. 29:19
    QuestionIs an internal armor belt preferable to the external belt used by the King George V class?Answer

    Internal belts may be marginally stronger initially, but an external belt is much easier to repair after cumulative shell damage.

    Q&A
  9. 31:33
    QuestionWhy did US cruisers not maneuver defensively while British battleships and cruisers zigzagged?Answer

    US doctrine relied on destroyers to detect submarines, while the Royal Navy zigzagged habitually before detection and therefore disrupted Japanese long-range torpedo solutions.

    Q&A
  10. 35:43
    QuestionHow fast could a 35,000-ton Nelson be with a 12-inch belt, 4.7-inch secondary guns, and no torpedoes?Answer

    A four-shaft design could probably make at least 28 knots because the lighter protection, secondary battery, and deleted torpedoes free space and weight for machinery.

    Q&A
  11. 36:32
    QuestionWhat happens if prewar Royal Navy admirals seek funds from the US Congress while US Navy admirals use the British system?Answer

    US officers would welcome the funding opportunity, while British officers would resist locking requirements in five years ahead of a rapidly changing naval race.

    Q&A
  12. 38:08
    QuestionWas Bismarck zigzagging only to lose the shadowing cruisers, or might the Germans also have feared Royal Navy submarines?Answer

    They could have feared a submarine even though one in the mid-Atlantic was unlikely, because Bismarck could not know the actual British deployment.

    Q&A
  13. 38:50
    QuestionWhat if Queen Mary survived the hit at Jutland with only the turret burning?Answer

    She would likely fall out of line and possibly return home, where evidence from the damage could influence later British ship design and procedures.

    Q&A
  14. 39:17
    Who owns British defence spending decisions

    A discussion of rumored ship cuts distinguishes departmental advice from the ministers who authorize policy, procurement, and funding.

    Notable Point
  15. 47:33
    Why a British military coup is institutionally unlikely

    Citizenship, voting rights, allegiance to the monarch, divided unit loyalties, and the burden of governing all work against a unified British military takeover.

    Notable Point
  16. 50:04
    QuestionWhat would it take for an aircraft carrier to have two angled flight decks?Answer

    It would introduce hazardous emergency flight paths and major expense, with little advantage over building two carriers.

    Q&A
  17. 53:59
    QuestionHow would the West German Navy use a fully intact G3 that appeared in the 1960s, and should the design count as a battleship?Answer

    It would probably serve as an intimidating Baltic presence, but the G3 remains a battlecruiser when compared with the battleships of its own generation.

    Q&A
  18. 55:36
    QuestionIs the Royal Navy's main personnel problem recruitment or retention?Answer

    Both interact: a smaller fleet restricts advancement, while better housing, education, benefits, and reserve flexibility can make naval careers more sustainable.

    Q&A
  19. 58:35
    QuestionHow would US treaty calculations change if Britain entered the negotiations with many more heavily armed capital ships?Answer

    The United States would respond in construction, but the greater gun and displacement scale would raise the treaty ceiling and impose especially severe costs on Germany.

    Q&A
  20. 1:01:47
    QuestionWould the treaty cruiser limit have fallen to about 8,000 tons and 6-inch guns if Hawkins had not been built?Answer

    Possibly: Hawkins gave the United States the 7.5-inch, large-cruiser precedent that it rounded up to the 8-inch, 10,000-ton standard.

    Q&A
  21. 1:02:22
    QuestionWhat if Britain invested more in seaplane and aircraft carriers before World War I?Answer

    If the work produced practical Hermes-style carriers and aircraft, Britain would begin the war with a more capable strike force that could disrupt German fleet deployment.

    Q&A
  22. 1:06:42
    QuestionHow would a four-ship Tiger class affect Dogger Bank and Jutland?Answer

    The extra squadron would greatly strengthen British firepower, likely increase German losses, and introduce another senior commander into Beatty's force.

    Q&A
  23. 1:12:21
    QuestionWould 30,000-ton Courageous-class ships still be converted into aircraft carriers?Answer

    Possibly, but ships with six or more heavy guns would be useful enough that the Royal Navy would be more likely to retain them as fast capital ships.

    Q&A
  24. 1:17:01
    QuestionWhat changes if the Topaze-class protected cruisers are built with steam turbines from the start?Answer

    Later British cruisers would adopt turbines earlier, pulling boiler-pressure and machinery development forward by about a decade.

    Q&A
  25. 1:19:35
    QuestionWhat would the Royal Navy use for carriers if larger Courageous-class ships remained gunships?Answer

    It would build carriers from scratch or turn to older battlecruisers and incomplete Admiral-class hulls, with G3-related conversions another possibility.

    Q&A
  26. 1:22:09
    QuestionWhy did prewar German boiler design rely on British coal if war with Britain was possible?Answer

    German leaders believed naval strength would deter Britain from fighting, so the fleet accepted a fuel dependency that became dangerous when deterrence failed.

    Q&A
  27. 1:22:29
    QuestionWhat would happen if Tribal-class destroyers captured Tirpitz and brought her back to Britain?Answer

    The crews would receive prize money, Britain would study the ship, and the most practical disposition might be transfer to the Soviet Union rather than Royal Navy service.

    Q&A
  28. 1:23:42
    QuestionWould Scharnhorst and Bismarck receive a German 5-inch dual-purpose gun if it were available before World War II?Answer

    They should replace much of the separate secondary and anti-aircraft battery with it, but German committee decisions make that outcome unlikely.

    Q&A
  29. 1:26:16
    QuestionWhat happens if Japan attacks British and French Far Eastern possessions in September 1939?Answer

    The attack likely brings the United States into the war immediately, while Germany's tiny operational surface fleet does little to stop Britain sending forces east unless Italy also enters.

    Q&A
  30. 1:31:15
    British armoured doctrine before the North African campaign

    North Africa gave British armoured forces confidence and forced implementation, but many of the ideas had already been exercised during the 1920s and 1930s.

    Notable Point
  31. 1:32:31
    QuestionHow useful were the Russian warships captured by Japan?Answer

    They were valuable as fleet-expansion and development tools but were not especially strong front-line warships.

    Q&A
  32. 1:32:54
    QuestionIs there a definite number of survivors from Queen Mary?Answer

    Twenty is the best total in this account: eighteen were picked up by the British and two by the Germans, while smaller figures often count only one rescue ship's survivors.

    Q&A
  33. 1:34:03
    QuestionWhat changes if the Channel Islands are located in the middle of the English Channel?Answer

    Britain would be much less willing to abandon them and would defend and evacuate them more carefully because control of a central position would directly affect the Channel.

    Q&A
  34. 1:35:16
    QuestionHow and why was the Admiralty staff created in 1912?Answer

    The Admiralty formalized and connected existing specialist departments, adding a permanent operations structure for the larger and more complex fleet it expected to fight.

    Q&A
  35. 1:36:17
    QuestionWhat could replace 50 Lockheed P2V Neptunes until additional Shackletons arrived?Answer

    The RAF would keep Lancasters and Wellingtons in service until enough Shackletons were available.

    Q&A
  36. 1:36:38
    The Royal Navy and the Sino-Japanese Incident, 1937-41

    A book review explores Britain's naval position in China as Japanese pressure on shipping and trade collided with commitments in Europe and the Mediterranean.

    Chapter
  37. 1:48:57
    When giant weapons are status displays

    Monumental swords and other impractical weapons may be ceremonial displays or trophies rather than evidence of battlefield use.

    Notable Point
  38. 1:54:21
    How Victorian assumptions misread armed women

    Some Victorian archaeologists treated armour and weapons as proof of a male burial even when skeletal evidence pointed to a woman.

    Notable Point
  39. 1:55:56
    QuestionHow would Cold War US submarine operations change if every Tench, Balao, and Gato-class boat were modernized?Answer

    The Navy would have many more usable submarines than it needed day to day, so a large reserve or in-ordinary system would become central to managing them.

    Q&A
  40. 1:57:35
    Why Britain and the United States could answer a gun race

    Bethlehem Steel, Vickers, Armstrong, and Skoda formed the heavy naval-manufacturing elite, while Germany faced a costly choice between fewer advanced ships and more ships with weaker batteries.

    Notable Point
  41. 2:07:08
    QuestionHow much trouble would a much more heavily armed Royal Navy cause the High Seas Fleet?Answer

    It would force Germany into a costly choice between fewer more powerful ships and a larger but increasingly outgunned fleet, while intensifying the navy's budget fight with the army.

    Q&A
  42. 2:08:31
    QuestionWould replacing Hawkins's single 7.5-inch guns with six twin turrets better prepare Britain for the next generation of cruisers?Answer

    It would create a more powerful turreted cruiser, but the mounts and supporting structure would probably raise displacement to around 12,000 tons.

    Q&A
  43. 2:13:56
    QuestionWhere did American steel production bottleneck when shipbuilding demand surged?Answer

    At the specialized foundries needed for armor-grade and other high-quality naval steel, because they take longest to establish and are costly to retain.

    Q&A
  44. 2:15:32
    QuestionWhen was the earliest that a turbine-powered armored cruiser could have been built?Answer

    An order was technically feasible around 1902, with a ship plausibly entering service in about 1904.

    Q&A
  45. 2:16:59
    Vickers as an integrated naval-industrial system

    Vickers combined global-scale manufacturing with housing, hospitals, food, and local services designed to retain generations of skilled workers near expensive machinery.

    Notable Point
  46. 2:17:38
    QuestionWould it be better to divert the British triple 4-inch mount to coastal defence?Answer

    Only if the naval mount could not be made to work. The preferred option was to repair it as a dual-purpose gun and perhaps develop it toward 4.5 or 4.7 inches.

    Q&A
  47. 2:20:34
    QuestionDid the Washington treaty require navies to convert ships into carriers rather than build new ones?Answer

    No. Conversion was permitted, but navies could also build new carriers and Britain did not even use conversions to fill its entire carrier allowance.

    Q&A
  48. 2:21:40
    QuestionWas a 6-inch dual-purpose gun being considered as early as the 1920s?Answer

    Yes. It was an original idea for the Nelson class, but it was not viable, leaving the high-angle secondary mountings as evidence of the requirement.

    Q&A
  49. 2:27:06
    QuestionWere the US and Japanese navies designing to refight World War I while the Royal Navy prepared for future warfare?Answer

    Partly, but the deeper difference was strategic: the United States and Japan focused on each other in the Pacific, while Britain had to cover several theaters and missions simultaneously.

    Q&A
  50. 2:28:11
    QuestionHow quickly could Hood's damage-control crews have responded to the boat-deck ammunition fire, and what would a surviving rebuild change?Answer

    The evidence is insufficient to judge the crew's response, while any later redesign would depend on the fire's actual path rather than simply removing the boats.

    Q&A
  51. 2:30:55
    QuestionWere the Warrior-class armoured cruisers effectively dreadnought armoured cruisers?Answer

    No. They helped develop the later pattern, but they predated the type and lacked capital-ship-calibre armament.

    Q&A
  52. 2:31:19
    QuestionHow might World War II change if a Panamax-scale St. Lawrence Seaway were completed by 1930?Answer

    It would improve inland access, industrial dispersal, and transport efficiency, producing many small gains whose combined wartime effect would be substantial but hard to isolate.

    Q&A
  53. 2:32:19
    QuestionWould a large battery of twin 4-inch guns and more Oerlikons have made Repulse fare better?Answer

    It would help, but Repulse also needed many more pom-poms and a balanced layered battery comparable to a thorough modern reconstruction.

    Q&A
  54. 2:34:09
    QuestionWhat if Britain built only new carriers after the Washington treaty instead of converting ships?Answer

    It could do so, but post-treaty ships would lock up carrier tonnage for years, while the older experimental fleet gave Britain more freedom to replace designs as it learned.

    Q&A
  55. 2:35:00
    QuestionWhat fleet would you build for Canada from 1928 with abundant resources and a million tons available?Answer

    Start with sloops, then build balanced two-ocean forces of carriers, battleships, cruisers, destroyers, and escorts as Canadian infrastructure and manpower expand.

    Q&A
  56. 2:36:44
    QuestionWhy did armored cruisers not suffer the same reputational collapse as battlecruisers after two blew up at Jutland?Answer

    They were already obsolete and their reputation had already collapsed after Aboukir, Cressy, and Hogue were lost together in 1914.

    Q&A
  57. 2:37:08
    QuestionWhat changes on D-Day if half the small landing craft are replaced by LVT-2s?Answer

    The assault force becomes more mobile inland and gains useful amphibious vehicles for later crossings, but it sacrifices conventional landing-craft capacity needed to sustain the beaches.

    Q&A
  58. 2:38:56
    QuestionHow long would the Home Fleet need to raise steam and leave harbor?Answer

    It depends on its ordered readiness state: a ship with a boiler lit might need about six hours, while units held at one or three hours' notice can depart much sooner.

    Q&A
  59. 2:41:40
    QuestionHow many 1941 Admiral-class heavy cruisers would the Royal Navy build?Answer

    Probably six to eight if they were needed quickly against the Italian and Japanese fleets, although more urgent programs could still take priority.

    Q&A
  60. 2:42:31
    QuestionWhy were Lexington and Saratoga given 8-inch guns, and what could replace them?Answer

    The guns conserved perceived cruiser firepower, but separate cruisers were the better answer; removing the turrets would improve stability and free space for aircraft, stores, and 5-inch guns.

    Q&A
  61. 2:46:52
    QuestionWhat changes if Britain receives workable LVT and DUKW designs in 1938?Answer

    The Army and Navy would probably develop them, potentially making amphibious vehicles available for commando operations during the Norwegian campaign.

    Q&A
  62. 2:50:38
    The Rise and Fall of the Imperial Japanese Naval Air Service

    The second featured book traces Japanese naval aviation as an institution, using aircraft development, foreign evaluation, carrier air groups, and personnel networks to explain its rise and decline.

    Chapter
  63. 3:00:27
    QuestionWhy did the Royal Navy use T-class ocean-going submarines in shallow Pacific waters after Mediterranean experience?Answer

    Pacific shallow areas often had deep water nearby for concealment and escape, whereas Mediterranean boats could remain trapped in shallow conditions across the theater.

    Q&A
  64. 3:02:00
    QuestionWas the Omaha class built as a response to Britain's C-class and Danae-class cruisers?Answer

    No. The stated explanation is that the US Navy needed light cruisers, without treating one British class as the program's direct cause.

    Q&A
  65. 3:04:12
    QuestionWould the United States have been better off accepting a British cruiser limit of 15,000 tons and 9.2-inch guns?Answer

    Possibly, but Britain and Japan would benefit too, and Japan's industrial capacity would determine whether it could exploit the larger design in equal numbers.

    Q&A
  66. 3:06:18
    QuestionWhy did British aircraft carriers use stacked hangars instead of one long open hangar?Answer

    The enclosed stacked arrangement protected aircraft and workshops from North Sea conditions and let heavy maintenance continue without blocking the main hangar.

    Q&A
  67. 3:08:29
    QuestionHow would a forty-ship County-class program change treaty limits and Axis naval strategy?Answer

    It would raise cruiser allowances, give Britain denser escort and hunting groups, make German raiding much harder, and force an already infeasible Plan Z to grow further.

    Q&A
  68. 3:11:35
    QuestionHave surface ships used devices similar to submarine dive planes to improve stability?Answer

    Yes. Some ships use deployable control surfaces that project into the water for stability and retract toward the hull when not needed.

    Q&A
  69. 3:12:02
    QuestionWould Australia build its own Hawkins-style or unique heavy cruiser instead of buying County-class ships?Answer

    No: without the necessary cruiser-building infrastructure, Australia would adopt the British design already supported by yards, weapons production, and skilled labor.

    Q&A
  70. 3:15:13
    QuestionHow would naval shipbuilding develop if World War I never happened?Answer

    Germany would lose the numerical race, but a continuing qualitative contest among Britain, the United States, Japan, Italy, and France would drive larger and more powerful designs.

    Q&A
  71. 3:18:00
    Why Long Beach was the US Navy's last purpose-built cruiser

    A classification dispute distinguishes Long Beach's cruiser design lineage from later nuclear ships developed from destroyer-leader or frigate specifications.

    Notable Point
  72. 3:21:52
    When an amphibious ship loses the spaces that make it useful

    British landing platform docks illustrate how committee-driven cuts can remove hangars, hospitals, and gyms that support the ship's actual expeditionary mission.

    Notable Point
  73. 3:28:13
    QuestionCould 28-knot Queen Elizabeth-class battleships put Warspite or a sister at Denmark Strait?Answer

    Yes. Their speed and likely modernization would greatly enlarge Britain's fast-battleship pool and could add another battleship to the force facing Bismarck.

    Q&A
  74. 3:31:27
    QuestionIs there a standard draught ratio comparable to length-to-beam, and how has it changed over time?Answer

    Not as a simple universal rule: deeper draught trades greater resistance against stability and other design advantages.

    Q&A
  75. 3:42:25
    QuestionWhere was Haida's extra torpedo storage?Answer

    Lashing points on the deck indicate that spare torpedoes could be secured in exposed deck positions rather than an enclosed reload room.

    Q&A
  76. 3:44:27
    QuestionHow would Tribal-class destroyers change the fighting at Narvik?Answer

    They could inflict severe losses during the invasion, and a full Tribal flotilla in the first British battle might destroy the German destroyer force.

    Q&A
  77. 3:46:03
    QuestionHow do towing tanks test a ship model's turning ability?Answer

    The model is mounted on a powered rig that turns it at a scale-correct rate while its behavior is observed in the tank.

    Q&A
  78. 3:47:30
    QuestionHow large a French fleet would be needed to counter a 198-ship German Plan Z force?Answer

    France would want a force comparable to Germany and Italy combined but could not obtain it, so the Royal Navy would have to provide most of the balance.

    Q&A
  79. 3:49:07
    QuestionHow would the Iowa class change if it carried three quadruple main-gun turrets?Answer

    The ship would need more beam or length, but Panama Canal width and dry-dock length would make either solution difficult.

    Q&A
  80. 3:49:41
    QuestionWhat happens if France and Italy leave the naval treaty system over their incompatible requirements?Answer

    Britain would invoke escalation to meet the Italian fleet, and that change would let the United States and Japan expand as the wider treaty system broke down.

    Q&A
  81. 3:50:50
    QuestionDid wartime armored-cruiser losses cause the Royal Navy to abandon the type?Answer

    No. Treaty limits prevented a successor even though battlecruisers were too large and ordinary cruisers too small to fill the old armored-cruiser role completely.

    Q&A