IJN post Taiho fleet carrier plans

The flush-deck proposal for the G-14 is certainly lesser known outside the Japanese-speaking community. Reminds me of the NB USS United States CVA-58 as both were designed to operate large bombers.
 
Via google translate I'm making english pages from these, so stay tuned.
So far according to this source the 50.000ton Japanese "Midways" were actually the first iterations of what became the Kai-Taiho class.
They were this big because they continued the armoured carrier principle introduced with the Taiho but the ministry wanted a combined torpedo-dive bomber as a single aircraft and at that time the low engine power of IJN aircraft meant only a twin engine plane could do both jobs. And such large aircraft especially in large numbers on a carrier meant a large warship hence the size of these two designs (one with a traditional island, the other flush decked) 2x 45-50.000tons were envisioned. Somewhat later new more powerful engines were developed so now it was possible to make single engined torpedo-dive bombers and thus the carrier size got reduced to Taiho levels, still the desire for a thicker deck armour meant a somewhat larger carrier then Taiho and thus the Kai-Taiho design was born. Three 30-33.0000ton ships was considered in place of the two previous 45-50.000tons designs.
 
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Ginga_Lover_11 said:
The magazine is a doujinshi called 次世代航空母艦建造計画 by a writer going by the name of "烈風改" (Reppuu Kai)
I happened to purchase that particular issue as well as his latest work ⑤⑥計画と航空母艦 (Carriers of the Maru-5 & Maru-6 plan) at a recent Comiket so if anyone is still interested in 2024 I'd love to share it with fellow members here for archival purposes
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Yes, please and thank you!
 
G-11 is the Shokaku class

Here:
B-G1 - Akagi class (1923)
A-G1 - Kaga class (1923)
G-5 - Aircarft (Light?) carrier design (1932) 9.800tons
G-6 - Soryu preliminary (1932) 17.500tons 3x2 203mm, 4x2 127mm, 48? aircrafts
G-7 - Ryuho class (1933/1941?)
G-8 - Soryu preliminary (1933) 17.500tons 1x3,1x2 155mm, 8x2? 127mm, 48? aircrafts
G-9 - Soryu class (1933)
G-10 - Hiryu class (1935?)
G-11 - Shokaku class (1937)
G-12 - Taiho preliminary (1941) 28.500tons 6x2 100mm, 64 aircrafts
G-13 - Taiho class (1941)
G-14 - 50000-ton carrier design (1942) 50.000tons, 84 aircraft
G-15 - Taiho-Kai class (1942) 30.100tons 8x2 100mm, 53 aircraft
G-16 - Unryu class (1942)
G-17 - Shinano class (1942)
G-18 - 15.000ton light carrier design (1944) 15.500tons 2x2 76mm, 42 aircrafts
 
There's also the pair of 12,500t carriers planned after Hoshou two sources claimed would be named "Shokaku Class". They were cancelled after the 2nd London Naval Treaty included restrictions for carriers less than 10,000t forcing the IJN to increase Ryujo's carrying capacity by introducing a double-deck hanger to offset the loss of flat-tops.
 
Ginga_Lover_11 said:
There's also the pair of 12,500t carriers planned after Hoshou two sources claimed would be named "Shokaku Class". They were cancelled after the 2nd London Naval Treaty included restrictions for carriers less than 10,000t forcing the IJN to increase Ryujo's carrying capacity by introducing a double-deck hanger to offset the loss of flat-tops.
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To my knowledge only one modified Hosho was planned, to be called IJN Shokaku, but two designs were developed. A slighlty larger Hosho with more aircraft and another faster one, either one or both designs with 6x 14cm guns and 2-4x 76-120mm AA guns.
Here:
 
According to the Japanese wiki Design G18 was different. Different dimensions, displacement and only one elevator:

G18 (空母) - Wikipedia

ja.wikipedia.org ja.wikipedia.org
https://twitter.com/x/status/1589940254429302787
View: https://x.com/RX2662/status/1589940254429302787

FhCY3M-UYAEwkE7
 
Ginga_Lover_11 said:
Designed around rocket-assisted take-off huh...
I wonder what planes they were going to fit these with.
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I think any plane can be fitted with RATO equipment.
Doolittle would have loved to equip his B-25 Mitchells with such!
 
Well if it is a kamikaze carrier it could well be launching land base aircraft or even IJA planes.
So the RATO would be necessary there I suppose
 
Ginga_Lover_11 said:
Well if it is a kamikaze carrier it could well be launching land base aircraft or even IJA planes.
So the RATO would be necessary there I suppose
Click to expand...
Depends entirely on their takeoff speed. I mean, any carrier can give you at least 30 knots wind over deck, and on a windy day you can double that. A 737 would only need 80 knots speed gain on the flight deck to take off in those conditions.
 
According to the artist:
1st one is the Tone CVL Conversion.
The 2nd one is tge Oyodo while still in CLCV form in the design process (with hanger under the deck).
The 3rd one according to the artist is the original layout of the Chitose class AV where she would carry 2 platforms which can be connected to form a single 100m long flight deck for landing aircraft in emergency or returning strikecraft from carriers. Due to the Tomozoru incident the class only had one such platform installed.
 
"A 300m aircraft carrier and a twin-engine ship attack drawn by the late Mikiya Yoshihara through the editorial department as an illustration for a certain magazine article three years ago. I was thinking that something like ``Jaguarbacks' warship book double-page illustration'' would be great, but I remember being surprised at how much atmosphere and power I had hoped for just by looking at the illustrations. I regret that I couldn't meet you and say thank you." I don't know if this carrier existed ? Could be G-14 ?
 

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airman said:
"A 300m aircraft carrier and a twin-engine ship attack drawn by the late Mikiya Yoshihara through the editorial department as an illustration for a certain magazine article three years ago. I was thinking that something like ``Jaguarbacks' warship book double-page illustration'' would be great, but I remember being surprised at how much atmosphere and power I had hoped for just by looking at the illustrations. I regret that I couldn't meet you and say thank you." I don't know if this carrier existed ? Could be G-14 ?
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Yes, G-14 and the flush deck variant.
 
I reverse-searched airman picture and found smth interesting, could it be any useful? (if its legit) source
 

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