Video

The 18in Gun HMS Agincourt and UAD video comment response (Long Patrol)

Study The 18in Gun HMS Agincourt and UAD video comment response (Long Patrol), a Dr. Alex Clarke video from 18 Mar 2022, with 28 time notes. Topics include Alternate History, Battlecruisers, Battleships.

Date
Runtime52:22
Guide points28 time notes

Time notes

  1. 1:40
    An 18-inch Queen Elizabeth alternative

    An imagined modernised Queen Elizabeth-type battleship carries six 18-inch guns into a simulated duel with a Bismarck analogue.

    Notable Point
  2. 4:09
    QuestionWhy do all-forward designs struggle to place boilers and engines far enough aft?Answer

    The concentration of forward armament constrains the available internal arrangement; moving funnel and machinery spaces helps, but a real hull would need tailored changes.

    Q&A
  3. 4:48
    QuestionWhat do the displayed results show about the ship's secondary guns?Answer

    This report credited larger guns, but four-inch batteries have been effective in other engagements and cannot be judged from one display alone.

    Q&A
  4. 5:45
    QuestionWhat might a 1918 start to the First World War have meant for British 12-inch dreadnoughts?Answer

    Most would probably have been replaced, transferred, or relegated because the Royal Navy was already moving toward much heavier-gun ships.

    Q&A
  5. 6:47
    QuestionDoes UAD produce higher hit rates than historical naval gunnery achieved?Answer

    Not necessarily; equipment choices such as radar can change the simulation, so one battle's accuracy should not stand in for historical rates.

    Q&A
  6. 8:21
    How 18-inch British ships could reshape naval treaties

    An operational British 18-inch battleship could have influenced Hood's armament, the Nelson class, and the calibre allowances negotiated into later naval treaties.

    Notable Point
  7. 8:58
    Why two knots may not be enough to cross the T

    A two-knot advantage does not automatically let a battle line cross an opponent's T, while three or four knots offers more tactical freedom.

    Notable Point
  8. 10:11
    QuestionWhy judge Troubridge and Arbuthnot differently when Troubridge held an independent command and Arbuthnot only led a squadron?Answer

    Troubridge's freedom was limited by direction from London, while Arbuthnot acted with less effective supervision and might have benefited from senior intervention.

    Q&A
  9. 11:30
    QuestionShould a battleship rely on its main battery against cruisers and leave lesser targets to its own fleet?Answer

    Fleet roles matter, but combat is untidy: secondaries address likely secondary threats when escorts are absent or cannot keep them away.

    Q&A
  10. 14:17
    The size and accuracy of the 18-inch experiment

    The simulated Agincourt records 25 per cent main-gun accuracy and displaces about 39,000 tons, around 5,000 tons above the quoted Queen Elizabeth-class figure.

    Notable Point
  11. 15:37
    A Baden-Bayern approximation with 14-inch guns

    A German battleship inspired by Baden and Bayern uses triple 14-inch guns because UAD's 1916 technology set does not yet offer the historical 15-inch calibre.

    Notable Point
  12. 16:44
    QuestionHow should designers weigh four-, five-, and six-inch secondary batteries?Answer

    The choice balances rapid engagement, shell effect, mounting availability, expected targets, and whether a navy can afford specialised weapons.

    Q&A
  13. 19:11
    Why the simulated British battle line has more ships

    The Royal Navy receives roughly two-to-one or four-to-three superiority to represent the numerical advantage expected in a battleship action.

    Notable Point
  14. 20:08
    QuestionWhy can the design not simply use a 4.5-inch secondary battery?Answer

    The limiting factor is the lack of a suitable upper-deck mounting, not the existence of the 4.5-inch gun itself.

    Q&A
  15. 20:49
    QuestionAre French battlecruiser designs too speculative to include alongside other unbuilt capital ships?Answer

    No; some French proposals were at least as plausible as the unbuilt super-ships commonly explored for other major navies.

    Q&A
  16. 22:06
    QuestionWould the E3 armoured cruiser have been a cruiser killer in the way Tiger was intended to hunt battlecruisers?Answer

    Yes; its 9.2-inch and six-inch armament, speed, and protection form a package designed to defeat cruiser-sized opponents.

    Q&A
  17. 23:01
    QuestionHow should Tiger's reported speed be interpreted?Answer

    Trial figures may exceed normal sea-going performance, so tactical planning should use the speed expected in service.

    Q&A
  18. 24:37
    QuestionWhat design trade-off came with British wire-wound naval guns?Answer

    They were strong, but the construction method added weight and made savings elsewhere in the ship more valuable.

    Q&A
  19. 25:04
    QuestionWas HMS Tiger designed primarily as a battlecruiser hunter rather than a conventional cruiser-killer?Answer

    Yes. Tiger's layout, machinery, and six-inch armament fit a purpose of engaging enemy battlecruisers more closely than the earlier distant-station role.

    Q&A
  20. 31:14
    QuestionWhy use standard rather than heavy shells in UAD?Answer

    In this model, heavier shells tend to worsen barrel wear, accuracy, or displacement, so standard shells give a more reliable compromise.

    Q&A
  21. 32:00
    A faster Tiger would push later battlecruisers harder

    A 30- or 32-knot Tiger would pressure later battlecruisers to become faster and widen the competition over speed.

    Notable Point
  22. 32:28
    QuestionDoes UAD provide exact templates for historical warships?Answer

    No; it is largely build-your-own, but near-equivalent components can still illustrate the important design choices without exact replicas.

    Q&A
  23. 36:28
    QuestionWould one British squadron against one German squadron represent the battle both navies wanted?Answer

    Not really; each side wanted favourable concentration, with Germany seeking an isolated British force and Britain seeking to exploit its overall numerical superiority.

    Q&A
  24. 39:37
    QuestionCould torpedo mounts help an early capital ship counter an opponent crossing the T?Answer

    No. Torpedo ranges in the early dreadnought period were too short for that manoeuvre.

    Q&A
  25. 40:55
    All-forward layouts can simplify hull design

    Concentrating triple turrets forward can let designers organise the hull efficiently around known machinery, magazine, and armament zones.

    Notable Point
  26. 42:21
    Command succession after a flagship is lost

    After Hibernia sinks, the simulation leaves the chain of command and the successor flagship unclear.

    Notable Point
  27. 43:27
    All-forward armament and the pursuit manoeuvre

    An all-forward battery can let a ship turn onto an enemy's stern while keeping its own guns bearing, but it also creates firing-arc limits and vulnerable blind spots.

    Notable Point
  28. 47:17
    Internal and deck-mounted capital-ship torpedoes

    Replacing an internal torpedo chamber with deck mountings recovers hull space but leaves exposed explosives that require careful siting and protection.

    Notable Point