Video
Bruships 51: The Age of Iron
Study Bruships 51: The Age of Iron, a Dr. Alex Clarke video from 13 Jun 2021, with 86 time notes. Topics include Battle Of Lissa, Destroyers, HMS Warrior (1860).
Time notes
- 0:53QuestionIs it fair to dismiss early American ironclad designs as novel but poor in broader practical terms?AnswerQ&A
They gave the U.S. Navy a learning experience; the answer does not establish that every design was a success or a failure.
- 7:00HMS Warrior and the battleships before the dreadnoughtsChapter
Early warship photographs connect sail, steam, iron hulls, and the changing meaning of 'battleship'.
- 13:23QuestionDid copper sheathing on sailing ships provide any meaningful armor protection?AnswerQ&A
No. The copper was a thin covering on the underwater hull, not armor intended to resist gunfire.
- 15:37QuestionDoes 'battleship' come from 'line-of-battle ship,' and does that make HMS Victory a battleship?AnswerQ&A
That contraction is one plausible origin, and Victory is a defensible battleship predecessor, although the terminology remains murky.
- 16:36Carrier space and HMS Unicorn's maintenance roleNotable Point
Flight-deck space, an aircraft lighter, and hangar height explain different carrier and aviation-support roles.
- 18:52QuestionDid HMS Warrior sail alongside ships of the line, or was she intended to replace them?AnswerQ&A
Ships of the line and steam frigates still served when Warrior appeared, and she initially looked like a much larger, more powerful steam frigate rather than an entirely separate category.
- 22:09A converted steam triple-decker before WarriorNotable Point
A tentatively identified converted triple-decker shows the overlap between wooden ships of the line, steam machinery, and iron hulls.
- 25:33Union river ironclads and industrial logisticsNotable Point
Connected industry let the Union combine armored river craft, mortar barges, and manufactured resources.
- 28:46QuestionHow did HMS Warrior compare with a top-rate ship of the line in cost and capability?AnswerQ&A
Probably roughly the same cost at the time of construction, with Warrior carrying fewer but heavier guns; many contemporary ships of the line also had steam engines.
- 30:13QuestionWould starting more games in the ironclad era help preserve the period's history?AnswerQ&A
It would help, but the era has fewer famous large battles, so game designers would probably need a dramatic Warrior or Black Prince scenario against U.S. monitors.
- 35:12QuestionHow should Armstrong guns be compared with Dahlgren guns?AnswerQ&A
Both were credible designs, but Armstrong had an especially strong incentive to ensure that guns supplied to the Royal Navy protected the firm's reputation.
- 40:24QuestionWere other powers plotting against Britain when it adopted the two-power standard?AnswerQ&A
Not as a coordinated plot; Britain was hedging against French and Russian diplomacy and preserving the maritime control needed to sustain India against a Russian advance.
- 43:00Naval-constructor training as procurement protectionNotable Point
MIT naval-construction training shows why navies need officers who understand design, procurement, and damage control.
- 51:33Riveting and caulking a watertight iron hullChapter
Rivet spacing, plate fit, rust, and caulking tools made early iron warship joints watertight.
- 57:46QuestionWould a three-year naval-construction course damage an officer's career unless senior leaders supported it?AnswerQ&A
Senior support was essential and existed in that period because construction and damage-control skills were valued.
- 59:16QuestionHow often did engineer or technical officers get to command ships in the ironclad era?AnswerQ&A
Technical and engineering officers began to break into command during the ironclad era, although they had to be especially capable to do it.
- 1:00:32QuestionWho produced the best iron and armor for ironclad-era warships?AnswerQ&A
Britain and Germany are favored, with American and Spanish work also credited; quality depends on refining and alloying, and the ranking changes over time.
- 1:07:45QuestionWhen did ship designers begin considering aluminum?AnswerQ&A
They considered it early because it was light, but quantity, cost, purity, and alloy quality kept it from becoming broadly practical until the twentieth century.
- 1:11:07QuestionHow much titanium from post-Cold War Soviet submarines was recycled?AnswerQ&A
Less than might be expected: dismantling the hulls was difficult, and a follow-up reports radioactive contamination on some boats.
- 1:21:17Why the World Wars crowd ironclads out of general historiesNotable Point
Market demand and word limits can push the quieter ironclad transition out of general naval histories.
- 1:22:09Warrior's French rival and preserved careerChapter
Warrior's size and protection answer Gloire, while her later training and oil-jetty roles explain how the hull survived.
- 1:23:02QuestionDid early medieval ships have forecastles and aftercastles?AnswerQ&A
Some had castle-like structures or raised platforms; cogs had early aftercastles and possible forecastles, while longboat-like vessels could also carry raised fighting positions.
- 1:30:11QuestionDo different noble gases give you different alloys?AnswerQ&A
Only to a limited extent in this explanation, because the gas is largely inert and does not readily become part of the alloy.
- 1:31:57QuestionCan the different kinds of alloy be explained more clearly?AnswerQ&A
Added elements can fill gaps in a metal's structure, replace some of its existing constituents, or do both, allowing different balances of strength and flexibility.
- 1:36:34Specialist steels for tools, engines, and corrosion resistanceNotable Point
Alloy additions and impurity control explain improvements in cutting tools, engine parts, and naval materials.
- 1:42:31QuestionAre brass and bronze substitutional alloys?AnswerQ&A
Bronze usually combines copper and tin, while brass combines copper and zinc; their substitutional classification remains open here.
- 1:44:38QuestionWould Yamato's 18-inch shells be useless against armor made with modern metals?AnswerQ&A
No; they are still considered viable, while the related discussion emphasizes gun design, barrel length, and the limits imposed by the carrying hull.
- 1:47:14QuestionCan modern metals make armor that period large-caliber guns could not penetrate?AnswerQ&A
In the proposed counterfactual, modern armor could resist a first hit from period guns below 18 inches; a second hit in the same place or modern gun technology would change the result.
- 1:49:54QuestionWould the impact still damage a ship's internals even if modern armor stopped the shell?AnswerQ&A
Yes, especially fittings, although modern cushioning and rafted machinery could reduce the transmitted shock.
- 1:51:45QuestionDid spending longer periods at sea make early iron or steel ships more brittle?AnswerQ&A
Not usually; the more important concerns were bending moments and the other repeated stresses imposed on the hull by the sea.
- 1:53:16QuestionCould any modern industry produce armor plates large enough for a dreadnought?AnswerQ&A
Possibly, with further work: Sweden is the favored candidate in this assessment, and South Korea is also suggested.
- 1:54:13QuestionHave U.S. submarines used essentially the same HY-80 and HY-100 alloys since the late 1960s?AnswerQ&A
The alloys have evolved under the same designations, although the specific changes are not disclosed.
- 2:02:40From Monitor's turret to HMS Captain and DevastationChapter
Turret firing arcs promised fewer guns, while Captain's loss and Devastation's layout exposed the costs of combining armament with sail.
- 2:06:24Lissa's influence on rams and ahead fireNotable Point
A rare ironclad battle encouraged ram bows and new firing-arc requirements, with costly consequences.
- 2:08:34French barbettes and tumblehome widened firing arcsNotable Point
Amiral Duperre's four-gun layout used hull shape and barbettes to put three guns on important bearings.
- 2:09:32Central batteries and en echelon gun layoutsNotable Point
Central-battery ships and beam-mounted guns show the search for ahead fire as gun nomenclature also changed.
- 2:10:46QuestionDid the United States effectively steal the Zero's design?AnswerQ&A
Probably not, although American forces did capture and use some Zeros.
- 2:15:59Why early steamships kept their sailsChapter
Coal consumption, operating costs, and naval seamanship traditions explain the long overlap between steam and sail.
- 2:17:54Sirius and Great Western test Atlantic steam enduranceNotable Point
The Atlantic crossings show how purpose-built steamship design and a coal network affected endurance.
- 2:18:56Paddle-wheel limits and HMS Rattler's screw trialsNotable Point
Feathering improved paddles, but rolling, loading, and gunfire exposure helped favor submerged screws.
- 2:24:44QuestionWhich navies would make the most useful opposing sides in a game about ironclads fighting one another?AnswerQ&A
Britain and France provide the strongest main pairing because they fielded the largest ironclad forces, with U.S. monitors adding a distinct third design tradition.
- 2:25:43QuestionHow much money did Brunel make?AnswerQ&A
A great deal, but he also spent and invested heavily; no precise sum is given.
- 2:26:56QuestionWas the Ericsson associated with the screw propeller the same person who developed a gun turret?AnswerQ&A
Probably the same engineer, although responsibility for a later turret development remains uncertain.
- 2:27:31QuestionDid an Italian inventor develop the screw propeller before the other claimants?AnswerQ&A
The answer rejects a clear Italian lead and describes a close race among four designers, followed by others developing altered propeller designs.
- 2:36:39An experimental Italian aircraft and propeller choicesNotable Point
Propeller arrangement, engine power, and balance shape the assessment of an unconventional aircraft.
- 2:38:22QuestionDid iron hulls and armor significantly reduce the number of ships lost in combat compared with wooden warships?AnswerQ&A
Iron protection did not guarantee fewer losses, because guns also became more powerful and could defeat the improved armor.
- 2:40:43Torpedo boats and destroyer originsChapter
Torpedo boats threatened blockades and prompted catchers, torpedo gunboats, and the early path toward destroyers.
- 2:47:04Havoc, Hornet, and the first torpedo-boat destroyersNotable Point
Havoc and Hornet established a fast, gun-armed answer to torpedo boats and quickly triggered higher speed requirements.
- 2:48:23Why early destroyers missed their trial speeds at seaNotable Point
Loading, waves, vibration, and cramped accommodation qualify the early destroyers' advertised performance.
- 2:50:38QuestionWas Churchill the politician credited with the retort that he would be sober the next day?AnswerQ&A
Probably, in this telling; the answer also cautions that drinking habits and political accusations complicate judgments about drunkenness.
- 2:56:22QuestionWhy is there no current Royal Navy ship named for Winston Churchill?AnswerQ&A
Royal Navy naming at the time generally avoided politicians, favoring royal, inherited naval, and occasional admiral names.
- 2:57:12Judging historical figures in contextNotable Point
Contemporary standards provide historical context without excusing every action or flattening people into heroes and villains.
- 2:58:57Reginald Tyrwhitt and aggressive Harwich Force commandChapter
Tyrwhitt's preference for sea command and his force's night training explain the argument for his presence at Jutland.
- 3:00:51Reginald Tyrwhitt's upbringing and naval pathChapter
Tyrwhitt's family connections and difficult schooling offer a social history of naval entry, with a caution about later autobiographical memory.
- 3:07:19Why crews and officers belong in warship design historyNotable Point
Warships and personnel shape one another, while personal experience can influence which ships survive.
- 3:08:05QuestionCould Churchill's plan to force the Dardanelles have worked if the navy had not withdrawn in the face of mine losses?AnswerQ&A
Possibly, but it required much better preparation for mines and a deliberate willingness to expose expendable pre-dreadnoughts.
- 3:09:00QuestionWasn't there an HMS Churchill in the Royal Navy?AnswerQ&A
Yes: a nuclear submarine and a Second World War Town-class destroyer both bore the name.
- 3:14:13Inflatable mothball enclosures and ship preservationNotable Point
The experimental fabric enclosure could control humidity and weather exposure, although salt water and inspection remained concerns.
- 3:21:11QuestionCould a destroyer class use names of knights?AnswerQ&A
Yes; the Round Table landing ships logistic already provide a naval precedent for that theme.
- 3:23:45QuestionCould a 1941 Yorktown or an early 1942 Wasp have defeated Bismarck or Tirpitz?AnswerQ&A
Yes if the carrier found the battleship at range and sustained enough strikes, but a surprise surface encounter could instead repeat Glorious's loss.
- 3:25:11QuestionHow useful would old ironclads have been in the First World War if Fisher had not disposed of them?AnswerQ&A
They might have deterred isolated raiders or served in dangerous mine-clearing roles, but finding crews for obsolete ships would have been a serious cost.
- 3:29:33QuestionWhat are XLUUVs, and why would the Royal Navy want them?AnswerQ&A
Extra-large uncrewed underwater vehicles offer a smaller inshore complement to growing nuclear submarines, with conventional propulsion proposed to provide endurance without an unattended reactor.
- 3:31:33QuestionCould the Type 83 destroyer become a quasi-capital ship?AnswerQ&A
Quite possibly: a 12,000- to 14,000-ton general-purpose escort could provide depth and presence when Britain's two large carriers cannot cover every task.
- 3:33:47QuestionHow many potential wider wars were avoided through effective naval diplomacy?AnswerQ&A
No total is given; Britain and Japan nearly fighting in 1939 and 1940 are offered as examples of diplomacy delaying conflict.
- 3:35:47QuestionShould the U.S. Navy prioritize a Super Hornet replacement, a major surface combatant, or the Virginia class?AnswerQ&A
The major surface combatant should come first, using proven Arleigh Burke systems with Zumwalt's hull and power plant to reduce development risk.
- 3:36:45QuestionWas Tirpitz substantially tougher than the battleships attacked at Pearl Harbor?AnswerQ&A
Not necessarily. Her Norwegian anchorage, stronger air defenses, and the absence of a six-carrier concentrated strike made her a harder target.
- 3:39:32QuestionDid nuclear weapons prevent a third European war between the Soviet Union and the Western Allies after 1945?AnswerQ&A
They created breathing room and raised the risk, but exhausted Soviet logistics and dependence on Allied transport were also major restraints.
- 3:40:24QuestionCould uncrewed underwater vehicles take the form of detachable submarine bulges?AnswerQ&A
That is considered doubtful, but independent vehicles could potentially attach to the hull sides and detach for operations.
- 3:44:14QuestionAt what point is it no longer cost effective to keep old ships in service?AnswerQ&A
The choice depends on whether the capability is still needed, whether a new class is justified, and how much new technology should be inserted at once.
- 3:46:34QuestionIs there a practical speed ceiling for submarines because of water pressure and drag?AnswerQ&A
Supercavitation can reduce drag by surrounding a body with gas, but scaling the technique from a torpedo to an operational submarine is far more difficult.
- 3:47:37QuestionWill the U.S. Navy's next major combatant be a cruiser, a destroyer, or a combination?AnswerQ&A
The 2021 prediction favors the destroyer label for a ship of roughly 14,000 to 18,000 tons with a large vertical-launch battery.
- 3:49:46Zumwalt, LCS, and the risk of technology leapsNotable Point
DARPA can tolerate experimental failure, while an operational navy is expected to field every major system successfully.
- 3:51:29QuestionCould U.S. Marine Corps demand for large-caliber naval fire support bring monitors back?AnswerQ&A
Probably not. An 8-inch gun on a general-purpose destroyer, supplemented by loitering munitions, is more plausible than a specialized monitor.
- 3:52:22QuestionCould British shipbuilders contribute conventional-submarine designs for Australia or Canada?AnswerQ&A
Possibly, depending on their requirements; the argument is that British SSK design work accompanies nuclear-submarine development and may remain current.
- 3:53:43QuestionWere HMS Warrior's Armstrong breech-loading rifles simply failures?AnswerQ&A
Not exactly. Their main difficulty was maintaining new mechanisms and materials in a saltwater environment before the necessary alloy and corrosion knowledge matured.
- 3:54:14QuestionAre flag facilities and missile numbers the only differences between modern destroyers and cruisers?AnswerQ&A
Role matters more in this assessment: a large general-purpose escort resembles a cruiser, although naming habits favor 'destroyer'.
- 3:55:56QuestionHow could a destroyer escort a slow monitor?AnswerQ&A
The destroyer stayed near a seagoing monitor and intercepted threats; river monitors generally had to rely much more on their own protection.
- 3:56:35QuestionWould HMS Vanguard have made a useful difference in the Falklands War?AnswerQ&A
Potentially, through heavy gunfire for troops ashore and air defense around San Carlos, depending on how much of her 40 mm battery she retained.
- 3:57:15QuestionBeyond projectile cost, why can naval guns be better than missiles for fire support?AnswerQ&A
Guns can deliver a large volume of directed fire quickly, and the enemy has greater difficulty stopping repeated ballistic projectiles.
- 3:57:51Type 26 and the growth of frigatesNotable Point
The Type 26 variants illustrate why the frigate label can accompany a much larger modern ship.
- 3:58:44QuestionHow can landing craft survive over-the-horizon amphibious operations?AnswerQ&A
They need some combination of self-defense, speed, stealth, or escort, with designs such as CB90, NEMO mortar craft, conventional LCUs, and LCACs exploring different tradeoffs.
- 4:00:11QuestionWhat is the difference between a commercial-grade warship and a military-grade warship?AnswerQ&A
It is a spectrum: some ships use commercial standards throughout, while others adopt only selected commercial practices and retain military requirements elsewhere.
- 4:00:39QuestionCould the bombs and Exocets used in the Falklands have penetrated Vanguard's armor?AnswerQ&A
Her armor is expected to help against unguided bombs, while the proposed sheltered deployment limits Exocet exposure; the reply does not give a firm penetration calculation.
- 4:02:40QuestionCould a viable surface combatant be built on an LPD hull?AnswerQ&A
The size is attractive, but the hull and propulsion would need major work to reach the speed required to escort an aircraft carrier.
- 4:03:09QuestionCan advanced technology compensate for having too few warship hulls?AnswerQ&A
No. Six ships may yield only two immediately deployable hulls once refit, training, recovery, maintenance, and damage are allowed for.
- 4:04:11QuestionWould Vanguard have had close-in weapon systems by 1982?AnswerQ&A
Possibly, though the answer is doubtful; Sea Wolf is another suggested modernization, with neither fit certain.