Video
Bruships30: Nine Transactions of the Institute of Naval Architects(Including 1939) & Three New Books
Study Bruships30: Nine Transactions of the Institute of Naval Architects(Including 1939) & Three New Books, a Dr. Alex Clarke video from 27 Dec 2020, with 55 time notes. Topics include Aircraft Carriers, Destroyers…
Time notes
- 5:26A 2009 concept for a large amphibious support shipChapter
A 2009 amphibious-ship proposal links fast helicopter launches and landing-craft loading to clear requirements and supplier-funded development.
- 18:23World Naval Review as a guide to contemporary fleetsChapter
World Naval Review 2021 covers Type 23 frigate development, world naval aviation, amphibious warfare, and Sweden's maritime missions and force structure.
- 22:24A 15-inch-gun stopgap for rapid Lion-class constructionNotable Point
An urgent Lion-class programme could have used British 15-inch guns because existing production and spare barrels offered a faster supply route than American 16-inch guns.
- 24:22QuestionWhy was Russia still trying to repair and retain Admiral Kuznetsov?AnswerQ&A
Russia had few alternatives, valued the status of retaining a carrier, and did not want an overseas refit to demonstrate that it lacked the domestic ability to repair the ship.
- 26:32Cape Matapan: reconnaissance reports that failed to reach commandChapter
Patchy aerial visibility, inaccurate positions, delayed relay signals, and reports trapped in gun-control channels left British commanders uncertain about the Italian fleet.
- 31:24Mediterranean carrier warfare as a modern comparisonChapter
Mediterranean operations offer a proposed comparison for fleets facing carrier aircraft, shore-based aviation, drones, and anti-ship missiles in the same theatre.
- 35:51A candid aviator's memoir of radar developmentChapter
Helping Stop Hitler's Luftwaffe offers a rare personal account of aviators involved in developing radar interception, with uneven prose and recollections that sometimes require checking.
- 36:40The Sopwith Snipe and the handling effects of a rotary engineNotable Point
The Bentley BR2 gave the Sopwith Snipe conventional throttle control but imposed strong gyroscopic forces on its light airframe.
- 43:25Why resource wealth complicated forecasts of Russian collapseNotable Point
Russia's oil, gas, and other natural resources could sustain a structurally weak economy longer than forecasts of imminent collapse allowed.
- 45:10Why naval-architect transactions matter as primary sourcesChapter
Institution of Naval Architects volumes combine contemporary technical papers with ship plans, construction tables, and professional arguments about design.
- 58:48British naval construction and the danger of false war lessonsChapter
Britain's expanding wartime fleet prompted requests for clearer displacement figures and caution about turning recent experience into naval doctrine.
- 1:01:41Why concentrated armoured cruisers simplified trade defenceNotable Point
Concentrating von Spee's armoured cruisers gave Britain a single raiding force to find, while dispersed raiders would have complicated trade protection.
- 1:02:21When battlecruiser speed encouraged strategic misuseNotable Point
German battlecruiser raids on Lowestoft and Scarborough risked fleet strength for bombardments judged to have brought no strategic benefit.
- 1:02:57Convoy as a way to force contact and concentrate defenceNotable Point
Convoy escorts wait beside the merchant ships submarines must approach, turning trade protection into an opportunity to engage the attacker.
- 1:08:43QuestionAre Transactions papers used as sources in naval-history publications as often as they should be?AnswerQ&A
No. Later authors often fail to consult the relevant Transactions papers even when those professional discussions bear directly on the design being described.
- 1:09:45Why outside powers can misread Turkey's prioritiesNotable Point
Turkey's domestic pressures and tensions with Greece can take priority over the relationships with Russia and China that attract outside attention.
- 1:12:53David Taylor, propeller trials, and US Navy design practiceChapter
British and American propeller research combined model experiments with ship trials, while differing over model appendages and the amount of research funding available.
- 1:16:19QuestionWho was Henderson's equivalent in the US Navy in terms of influence?AnswerQ&A
David W. Taylor is the proposed counterpart because his experimental work and design methods continued to shape the US Navy after his retirement.
- 1:22:10QuestionWas Admiral David W. Taylor the namesake of the US Navy test basin outside Washington, DC?AnswerQ&A
Yes, the basin is named for Admiral David W. Taylor.
- 1:26:13Coordinating shipyard cranes between berths and plating shedsNotable Point
Overlapping fixed cranes and a travelling crane moved material between railway access, plating sheds, barges, and building berths.
- 1:29:50Choosing shipyard cranes for workload and construction methodsChapter
A crane installation's economics depend on how often berths are occupied, how ships are assembled, and whether the yard needs protection from cold weather.
- 1:39:16Turning pulverized coal into a pumpable marine fuelChapter
Pulverised coal was proposed as a fuel that could be loaded through hoses, provided its burners, bunker arrangements, dust control, and variable fuel feeds worked together.
- 1:43:25Recovering steam-engine exhaust energy with a turbineNotable Point
An alternative to diesel machinery combines a triple-expansion engine with an exhaust turbine and compares saturated with superheated steam.
- 1:45:06How operating assumptions changed the steam-versus-diesel resultChapter
Diesel's relative cost changes when a comparison includes realistic fuel prices, annual sea time, port consumption, and the cargo benefits of higher economical speed.
- 1:53:53Nelson and Rodney under Washington Treaty limitsChapter
The cancelled 1921 battlecruisers and a larger 18-inch-gun battleship provide the design background to Nelson and Rodney's treaty-constrained requirements.
- 1:57:41D'Eyncourt's role on both sides of Nelson's construction contractNotable Point
D'Eyncourt approved Nelson's drawings for the Admiralty and later signed them for Armstrong Whitworth, connecting design responsibility with construction.
- 2:02:16QuestionWhich archives hold useful primary documents on British naval design?AnswerQ&A
Use the ADM files at The National Archives and supplement them with university and regional collections holding personal papers and shipyard records, including Churchill, King's, Tyne and Wear, and Glasgow archives.
- 2:08:22Italian flotilla-leader trials and the 1,850-ton destroyer problemChapter
Italian flotilla-leader trials raise questions about thrust measurement, model distortion, and the performance of destroyers around 1,850 tons.
- 2:16:41Treaty definitions, carrier tonnage, and experimental replacementChapter
Carrier definitions, national tonnage ceilings, and an experimental-ship clause determined which ships counted against treaty limits and when they could be replaced.
- 2:20:43What converted hulls taught early carrier designersChapter
Converted carrier hulls required clear flying decks, manageable air currents and funnel gases, and adequate stability while naval aviation was still experimental.
- 2:25:30The 1934 case for aircraft-carrying airshipsNotable Point
A proposal for aircraft-carrying airships claims savings in cost and personnel while raising a practical objection about aircraft maintenance.
- 2:27:13QuestionHow would replacing conventional aircraft with autogyros affect aircraft-carrier design?AnswerQ&A
Arthur Johns expected similar carrier size if aircraft numbers, storage needs, and fleet speed remained comparable, although arresting gear and flight-deck length might be reduced.
- 2:33:26QuestionCould large airships have served as cheaper airborne aircraft carriers?AnswerQ&A
Carrying aircraft is only part of the requirement. A carrier must also maintain and rearm them far from land for weeks or months.
- 2:34:50QuestionCould a roughly 70,000-ton Vermont-style battleship reach 27 knots with only 68,000 shaft horsepower?AnswerQ&A
Probably not. The claimed performance would require an unusually efficient hull, and the Tillman-derived forms were not forgiving enough to make that combination credible.
- 2:37:20QuestionCould modern airships have applications as uncrewed craft or drones?AnswerQ&A
Possibly. Airships are worth considering for tasks described as non-consumable.
- 2:38:40When battleship growth undermined harbour accessChapter
Growing battleships could gain armament and protection while losing access to the harbours, docks, and repair facilities needed to sustain them.
- 2:43:17How cruiser growth reduced reconnaissance valueChapter
Cruiser growth raised costs, left too few hulls for fleet scouting, and helped lock an expensive type into treaty rules.
- 2:46:29Battleship cost, fleet numbers, and global commitmentsChapter
Battleship costs and fleet numbers constrained size, while the Royal Navy's global commitments challenged Cork's division between Atlantic and Pacific requirements.
- 2:48:29Foreign contracts as experiments in British warship designNotable Point
Foreign commissions gave British private yards opportunities to try novel warship designs, including ships later incorporated into Royal Navy service.
- 2:49:39Carrier mobility as an advantage over fixed airfieldsNotable Point
A carrier could move its aircraft roughly a thousand miles toward an objective in two days, compensating for some limits of its deck and facilities.
- 2:51:22QuestionHave aircraft carriers been a one-horse race since the 1950s?AnswerQ&A
The hull can appear to change slowly while the air group changes much faster. Ship and aircraft must develop together, including the electronics and facilities needed to operate new aircraft.
- 2:52:21Ark Royal's layered protection and close subdivisionChapter
Ark Royal combined deck and vertical armour with underwater protection and close subdivision to protect vital spaces against different forms of attack.
- 2:57:03Ark Royal's lifts, propulsion, and flight-deck workflowChapter
Ark Royal's aircraft flow depended on lift openings, hangar capacity, arresting wires, and island arrangements, while trials exceeded expectations for triple-screw efficiency.
- 3:00:14Why ventilation could only partly relieve Ark Royal's hangar heatNotable Point
A sun-heated steel flight deck could radiate heat below faster than ventilation alone could relieve the discomfort.
- 3:02:55QuestionCould three triple 15-inch turrets have armed both the King George V and Lion classes as a stopgap?AnswerQ&A
Yes. Three triple 15-inch turrets are accepted as a workable stopgap arrangement.
- 3:03:33What HMS Eskimo's lost bow shows about survivabilityNotable Point
Eskimo's bow absorbed the torpedo hit at Narvik, leaving the rest of the destroyer able to survive despite the loss of sailors and the forward structure.
- 3:05:36QuestionHow are conflicts in Royal Navy ship design finally resolved?AnswerQ&A
In the interwar and wartime Royal Navy, architectural issues normally went through the Director of Naval Construction and operational ones through the Third Sea Lord. The 2020 comparison describes a more committee- and contractor-heavy modern process.
- 3:07:06QuestionDid Ark Royal have ventilation problems in the Far East?AnswerQ&A
That premise is mistaken: Ark Royal was lost in the Mediterranean. The concern described here was a prediction that a steel hangar would become excessively hot.
- 3:07:44QuestionDid Eskimo's survival after losing her bow demonstrate the value of internal subdivision?AnswerQ&A
Yes. Both internal subdivision and the strength of that subdivision helped the ship survive.
- 3:08:48QuestionWhy have changing aircraft not made the aircraft carrier obsolete?AnswerQ&A
Because the carrier is a mobile air base whose air group and support systems can evolve; global operations would otherwise require access to many costly, fully equipped land bases.
- 3:11:22QuestionHow did Stanley Goodall regard Dudley Pound, James Somerville, and Roger Keyes?AnswerQ&A
He found Pound annoying, worked productively with Somerville on radar, and collaborated closely with Keyes on ship design and early amphibious and combined-operations shipping.
- 3:12:03QuestionWas the article's concern about excessive heat in Ark Royal's hangars just speculation?AnswerQ&A
It was mostly speculation at that stage. Later experience was hot and uncomfortable, but ventilation and lowered lifts helped keep conditions manageable.
- 3:14:14Why global-strike weapons do not replace tactical air powerNotable Point
Global-strike weapons face cost and escalation problems and do not supply the same tactical air support for troops in danger.
- 3:14:47QuestionWhy do some discussions of the Royal Navy treat Lord Mountbatten so critically?AnswerQ&A
The criticism concerns patronage and rapid promotion that became self-reinforcing, with previous advancement creating pressure to find Mountbatten further senior roles.
- 3:16:02QuestionWhat supplemental reading is useful for studying aircraft carriers of the 1920s and 1930s?AnswerQ&A
Start with John Jordan's Warships After Washington and Warships After London, then use the Institution of Naval Architects papers and specialist studies of Japanese and American carriers.