Video
Shortcomings with the designs of 'Early' Aircraft Carriers: Patreon 65
Study Shortcomings with the designs of 'Early' Aircraft Carriers: Patreon 65, a Dr. Alex Clarke video from 27 Oct 2022, with 51 time notes. Topics include Aircraft Carriers, Carrier Design, French Navy.
Time notes
- 10:38How to judge an experimental aircraft carrierChapter
Judging carriers commissioned by 1940 requires distinguishing unavoidable experimentation from choices that ignored available evidence or basic operational logic.
- 16:42Argus and Langley as practical pioneer carriersChapter
Argus and Langley show both the value and limits of first-generation flush-deck conversions, including bridge placement, training value, and room for later supporting roles.
- 24:45Hōshō and Hermes establish purpose-built carrier choicesChapter
The first purpose-built carriers expose the importance of tall funnels, clean airflow, island structures, and designing a small carrier around a coherent cruiser-support mission.
- 26:49QuestionWhy would HMS Tiger make a better gunnery training ship than Iron Duke?AnswerQ&A
Her battlecruiser hull provided more space for modifications.
- 31:15QuestionHow did Hōshō avoid being sunk during the war?AnswerQ&A
She remained mainly in Japanese home waters as a training carrier and took only a secondary role at Midway.
- 31:41QuestionWould it make sense to use a liner as the basis for an aircraft carrier?AnswerQ&A
It can make sense for an experimental conversion, though a purpose-built carrier is preferable once requirements are known.
- 35:20Furious and the dead end of a split flight deckChapter
Furious's lower flying-off deck anticipated simultaneous launch and recovery but sacrificed hangar and flight-deck capacity as aircraft rapidly grew beyond its dimensions.
- 35:31How early carriers launched and kept aircraft on deckNotable Point
Early carriers relied on wind over the deck for takeoff, while lengthwise wires kept light aircraft from sliding sideways rather than braking them after landing.
- 39:36QuestionIf HMS Eagle had survived 1942, what could she have done later in the war?AnswerQ&A
She could have served as a command carrier for escort-carrier groups and released Unicorn for other support operations.
- 44:28Béarn's three incompatible aircraft liftsChapter
Béarn combined three differently sized lifts, clamshell flight-deck covers, and cycle times of roughly three to five minutes into an operational bottleneck.
- 54:00Béarn's suspended-rail aircraft handling systemChapter
Overhead rails moved aircraft between Béarn's lower workshops, upper hangar, and lifts, but the suspended loads became dangerous as the ship rolled.
- 1:01:27QuestionWhat was the height of Béarn's aircraft hangars?AnswerQ&A
The upper hangar was about 6.5 meters high, reduced to about 5 meters forward where aviation accommodation intruded.
- 1:03:05QuestionWas there a locomotive to move aircraft along Béarn's hangar rails?AnswerQ&A
No. The aircraft were moved along the rails by hand.
- 1:03:11QuestionHow many different weapon and ammunition systems did Béarn have to support?AnswerQ&A
Aircraft weapons were joined by five shipboard families: 6.1-inch, three-inch, 37-millimeter, and machine-gun ammunition plus torpedoes.
- 1:04:09Béarn traded flight speed for mixed propulsionChapter
Béarn's combination of turbines and triple-expansion engines delivered range but limited the carrier to about 21.5 knots when deck wind was vital to early aircraft.
- 1:18:16QuestionDid treating Béarn as an experimental carrier benefit France in the long term?AnswerQ&A
Only in theory; the designation helped only if France acted on the lessons and replaced her.
- 1:18:45QuestionGiven Germany's geography and enemies, did a fleet-carrier force make strategic sense?AnswerQ&A
Not as a centerpiece; Germany was better served by long-range surface raiders, perhaps with limited carrier support to reach the open ocean.
- 1:20:25Courageous and Glorious retained a doctrinally obsolete deckChapter
The lower fighter flying-off deck consumed valuable space even as Royal Navy doctrine shifted toward continuous patrols and sustained operations rather than last-minute visual interception.
- 1:26:03QuestionWas an early aircraft carrier too expensive to use as a force multiplier?AnswerQ&A
Not relative to a battleship; carriers and contemporary aircraft were comparatively affordable ways to add reach and reconnaissance.
- 1:26:21QuestionWere Courageous and Glorious the only carrier conversions considered by the Royal Navy?AnswerQ&A
Probably not; circumstantial archival evidence suggests Admiral-class conversions were also examined, but no definitive proof has been found.
- 1:29:49Why losing Courageous and Glorious mattered beyond two hullsNotable Point
The early losses removed both operational flight decks and experienced carrier personnel who could have strengthened British operations in the Atlantic and Mediterranean.
- 1:34:11QuestionWere the lower flying-off decks on Courageous and Glorious equivalent to US hangar-deck catapults?AnswerQ&A
Broadly, yes, but the US catapult imposed a smaller penalty because it consumed hangar space without permanently breaking up the ship's flight deck and hangar volume.
- 1:34:58QuestionWere Courageous and Glorious rebuilt with continuous single flight decks before the Second World War?AnswerQ&A
No. Both were sunk while still carrying the lower flying-off-deck configuration.
- 1:36:25QuestionWould a Queen Elizabeth-class carrier count as a light carrier in a Second World War setting?AnswerQ&A
No. It would be an enormous super-fleet carrier, though its modern machinery would complicate fitting period catapults.
- 1:39:20QuestionWhy did the Royal Navy not operate carriers in groups large enough to mass more than one hundred aircraft?AnswerQ&A
It planned multi-carrier operations, but wartime losses and global commitments scattered a limited carrier force across too many tasks.
- 1:40:06QuestionWhat were the posts along early carrier flight decks, and did they obstruct aircraft operations?AnswerQ&A
They supported radio aerials and cables, and crews folded them down before operating aircraft.
- 1:41:14QuestionWhich British carrier did best at the role it was designed to perform during the Second World War?AnswerQ&A
Ark Royal and the Illustrious class are strong candidates, but Unicorn excelled as the fleet's aviation-support backstop.
- 1:41:53QuestionCould an angled flight deck have become practical before the arrival of jets?AnswerQ&A
Yes. Fast twin-engine aircraft with high landing speeds could have created the need before jets.
- 1:42:20Lexington and Saratoga carried the wrong defensive weightChapter
Eight-inch gun turrets consumed displacement, crew, and flight-deck space for a surface engagement that the fast Lexington-class carriers should have avoided.
- 1:52:00American alpha strikes and British continuous operationsNotable Point
American doctrine emphasized a decisive full-air-group strike, while Britain developed continuous cycles and long-range night attacks that shaped the Swordfish's unusual strengths.
- 1:55:54QuestionIn the 1930s, who would win between two Lexington-class carriers and all three Courageous-class carriers?AnswerQ&A
The Lexingtons are favored in sustained daylight action, while the British carriers could win if they found the Americans at dusk and launched a night strike.
- 1:57:39Akagi and Kaga multiplied flying decks instead of capacityChapter
Three flying levels promised simultaneous bomber and fighter launches but proved incompatible with growing aircraft and efficient carrier operations.
- 2:00:33QuestionWould building Admiral-class carrier conversions have prevented Ark Royal from being built?AnswerQ&A
No. Ark Royal would probably still appear, while one or more older experimental carriers would leave service earlier.
- 2:02:02Ranger and Ryūjō chased air groups on too little hullChapter
Both navies tried to maximize aircraft under tight tonnage limits, producing light carriers whose structure and survivability restricted frontline use.
- 2:11:44Ark Royal could have combined armor and a large air groupChapter
A roughly 24,000-ton Ark Royal design could have added an armored flight deck and stronger torpedo defense while retaining speed and a large air group.
- 2:16:23QuestionWould converting a Nelson-class battleship into an aircraft carrier make sense?AnswerQ&A
No. The ships were far too slow, and overcoming that basic limitation would defeat the point of a conversion.
- 2:16:51QuestionIf forced to choose, would an armored flight deck or Supermarine's original naval Spitfire matter more?AnswerQ&A
The armored flight deck, because it reliably preserves the carrier while the fighter remains vulnerable to engine-allocation politics.
- 2:18:18QuestionWhat wider effects might follow from converting Admiral-class battlecruisers into carriers?AnswerQ&A
They could change treaty carrier limits, elevate naval aviation, hasten Fleet Air Arm independence, and make later British carriers larger.
- 2:22:28Yorktown and Enterprise saved weight in the wrong structureChapter
The Yorktown class achieved an excellent war record despite a light flight-deck structure and treaty-driven weight savings that restricted protection and wartime growth.
- 2:32:28Hiryū mirrored the island but not the machineryNotable Point
Hiryū's port island was paired with starboard exhaust trunking inherited from Sōryū, adding internal complication without creating a true mirror-image carrier.
- 2:36:24Wasp shows the limit of building down a capital shipChapter
Wasp packed fleet-carrier aviation into about 14,900 tons, but structural and protective sacrifices made the ship too vulnerable for the role claimed for her.
- 2:43:15QuestionIs there an advantage to unenclosed main gun mounts on aircraft carriers?AnswerQ&A
They reduce topweight and ease escape, while an enclosed mount is worthwhile only if it offers real protection.
- 2:44:38Illustrious air groups were limited by policy and lift layoutChapter
The Illustrious hangar was not exceptionally tiny, but the lack of a permanent deck park and conservative centerline lifts held down aircraft numbers.
- 2:52:00QuestionWhat did other navies make of Britain's armored carriers, and why did Britain choose them?AnswerQ&A
Other navies also moved toward protection; Britain prioritized it because treaty limits forced a tradeoff and its likely theaters exposed carriers to land-based air attack.
- 2:54:11QuestionWhat creates the weight difference between centerline and deck-edge aircraft elevators?AnswerQ&A
Mostly the structure needed to support and stabilize an elevator at the ship's edge, not the elevator platform itself.
- 2:54:57What later carriers learned from the interwar experimentsChapter
Essex, Midway, and the light fleet carriers turned decades of experiments into more coherent answers for fleet striking power, protection, and rapid production.
- 2:56:08QuestionDid the United States consider putting an armored flight deck on an Essex-class carrier?AnswerQ&A
To an extent, but doing so requires redesigning the supporting structure; that design path leads toward the Midway class.
- 2:58:35CVA-01 preserved an elaborate answer to deck trafficNotable Point
CVA-01's route around the outside of the island moved aircraft forward without interrupting flight operations, but consumed valuable deck area to solve a traffic problem more simply handled by layout and timing.
- 3:02:57QuestionIf CVA-01 had been built, would Britain still need a specialized Phantom variant?AnswerQ&A
Probably not; CVA-01 would likely have been designed to operate the standard Phantom.
- 3:04:38QuestionDid the pictured CVA-01 design predate or postdate the angled flight deck concept?AnswerQ&A
It postdated the angled flight deck concept by a substantial margin.
- 3:08:34Brassey's 1900 Naval Annual as a design sourceNotable Point
A reading from Brassey's 1900 Naval Annual shows how a contemporary reference described planned American armoured cruisers through displacement, speed, coal endurance, batteries, and layered armour.