yeah I bet you can't guess
The I-351 and her sister sub the I-352 were laid down as flying boat tender submarines, but converted during construction to tanker subs. Original specifications, design docs and illustrations itt
5th fleet replenishment program
empire of japan
imperialjapanesenavyimperialjapanesenavy air service
imperialjapanesenavytechnicaldepartment
world war ii
The Ha-101 class submarines were laid down as transport submarines, but during construction were converted into tanker submarines, small submarine motherships/tenders, and radar picket subs. Any specifications or illustrations of the intended original design would be bussin...
empire of japan
imperialjapanesenavyimperialjapanesenavytechnicaldepartment
project number s57
sen'yu-shō type submarine
world war ii
yusō sensuikan ko-gata
The Ohama and her sister ship Okashi were laid down as target ships, successors to the Hakachi. Ohama was completed as an escort vessel, and Ohashi collided with Yamashio Maru and sunk before completion, but would have been given the same treatment. I can't find any illustrations of their...
1940s
empire of japan
imperialjapanesenavyimperialjapanesenavytechnicaldepartment
ōhama-class bombing target ships
pre-world war ii
project number j36
world war ii
The Satsuma class as laid down was intended to mount 12 12 inch guns, with 4 on the centerline and 5 on either side, in a total of 4 twin and 4 single gun turrets. Due to budget issues that the link goes into, the ships got redesigned as semi-dreadnoughts. I can't find any illustrations of the...
For some time I've already made these drawings just not yet posted here.
You can now see how the Tosa / Kaga class battleships evolved from an Improved Nagato to as laid down as a 5 turreted similar speed slightly larger battleship.
Let us begin:
Fast Nagato series:
A-115...
It is well known fact that the hull of then under construction battlecruiser IJN Amagi lead ship of her class and which was chosen together with her sister IJN Akagi to become aircraft carriers got seriously damaged during the Great Kanto Earthquake happened in 1923 September 1st.
Due to the...
early 1920s
eight-eight fleet program
empire of japan
imperialjapanesenavyimperialjapanesenavy air service
imperialjapanesenavytechnicaldepartment
washington naval treaty
Since the Shinano was sunk unachevied,I think it can count as a project. Regarding the deck paint,it was either a pattern like the one on the unryu class aircraft carrier or a grey deck,depend on the rule the carrier was used. Not all AA was installed on board too.
Here are some interpretation ...
http://www.navweaps.com/Weapons/WTJAP_WWII.php#61_cm_%2824%22%29_F3_%28Experimental%29
Came across this again today while trying to find information on possible use by the JSDF of Mark 32 torpedo tubes (built under licence by Watanabe Iron Works) as shore based torpedo launchers. It's...
Not long ago I've finished drawing the various Amagi/Akagi carrier designs I've found in the Hiraga archive.
So I post them here now:
Amagi Aircraft Carrier Preliminary Design 1
https://www.deviantart.com/tzoli/art/Amagi-Aircraft-Carrier-Preliminary-Design-1-827366018
This is something...
1920s
eight-eight fleet program
empire of japan
imperialjapanesenavyimperialjapanesenavy air service
imperialjapanesenavytechnicaldepartment
interwar period
washington naval treaty
Taiho was ordered as part of Maru 4 fleet expansion program. She was a compromised design, mating an armored flight deck to a Shokaku size hull, resulting in lower freeboard an reduced hangar capacity. The first, prewar, draft of the subsequent Maru 5 plan included 3 more armored carriers of a...
http://www.armouredcarriers.com/japanese-aircraft-carrier-taiho-armoured-flight-decks/
A nice look at the background of the Taihō-class program in general, along with an detailed overview of IJN Taihō herself. The fact that she doubled as a support carrier, for example, is often overlooked.
Hello people! I'm looking for information about the following projects, some pure paper projects, other more serious proposals never come to fruition:
-Kaneda battleship: an alleged 1914 study by Commander Kaneda about an half million ton battleship armed with 100 41cm guns in 50 double turrets...
Hi dear people I know that the Japanese navy was testing the IJN Shimakaze destroyer it stayed by one example, so she was one of a kind.
Does somebody know there were more paper project destroyers or a further developed version of the IJN Shimakaze?
I've recently found this pretty interesting Japanese Project at the Hiraga Archive.
It looks like a hybrid cruiser-carrier warship from 1920's era. There seems to be a few variants mostly by how large the hanger should be and where to locate the conning tower and AA guns.
Apart from the unique...
I've found calculations for a 10.000ton cruiser in the Hiraga archives. What is unique about this vessel that it would carry 4 triple 20cm heavily armoured gun turrets, though calculations shows quad turrets were considered as well, but it is unknown if it would carry the same number of such...
I've posted this on another forum but it is better to post many forums to see if anybody know anything about this,
I've got hold an extract from a naval forum about possible modernisation plans for the Kawachi class Battleship IJN Settsu which was stripped from her armament after the Washington...
Drawing of the Imperial Japanese Navy "Number 13"-class fast battleship. Although never officially named, the class is sometimes referred to as the Mikasa-class fast battleship. They are often classed as battlecruisers, but they were a larger, better protected and more powerful version of the...
early 1920s
eight-eight fleet program
empire of japan
imperialjapanesenavyimperialjapanesenavytechnicaldepartment
interwar period
washington naval treaty
Hi people I'm searching for data and pics of WW2 experimental Japanese aircraft radar,I read in a book about WW2 Japanese aircraft ,that the experimental night fighter Aichi SA1 Denkoh was equipped with an parabolic radar.
I hope someone can provide me with info/pics of these experimental radar...
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