WesWorld

Japan’s Naval Developments – Q1/1924 (the short version)

A. Industrial Allocation

15/27 factories producing warship material = 15,000 t. No stockpiled materials available. 15,000 t are used, no materials stockpiled.

12/27 factories are dedicated to producing infrastructure material, = 1.2 pts.

B. Infrastructure Development

Type 0 slip at Kagoshima Navy Yard receives 0.3 pts, for a total of 0.3 pts (designation Slip 0-8A).
Type 0 slip at Kagoshima Navy Yard receives 0.3 pts, for a total of 0.3 pts (designation Slip 0-8B).
Type 0 dock at Kagoshima Navy Yard receives 0.6 pts, for a total of 0.6 pts ( designation Dock 0-8A).

C. Naval Construction

Kure Navy Yard, Kure (Honshu)
Slip V-1A => idle
Slip I-1A => idle
Dock V-1A => idle
Free-floating: DD3 Vralgo Kentauri receives 174 tons.
Free-floating: DD3 Meeth Silver receives 174 tons.
Free-floating: DD3 Michael Lester receives 174 tons.
Free-floating: DD3 Poesche Nomien receives 51 tons, completed.

Yokosuka Navy Yard, Yokosuka (Honshu)
Slip V-2A => idle
Slip I-2A => GB Go ni Mk.1 IV laid down 1/1/1924, receives 468 tons.
Free-floating: DD3 Blreno Canzian receives 174 tons.
Free-floating: DD3 Dimor Hiahraki receives 174 tons.
Free-floating: DD3 Sharie Randers Krötenschwanz receives 51 tons, completed.

Kawasaki Co, Kobe (Honshu)
Slip V-3A => idle
Slip II-3A => GB Go ni Mk.2 I laid down 1/1/1924, receives 762 tons.
Dock II-3A => BB Okinoshima receives 1590 tons.
Free-floating: DD3 Barbaluse V. receives 174 tons.
Free-floating: DD3 Iler the Bishop receives 174 tons.
Free-floating: DD3 Bijotorn Corlala receives 51 tons, completed.

Mitsubushi Co, Nagasaki (Kyushu)
Slip V-4A => idle
Slip II-4A => Go ni Mk.2 II laid down 1/1/1924, receives 762 tons.
Dock II-4A => BB Mishima receives 1591 tons.
Free-floating: DD3 Trao Ballanka receives 174 tons.
Free-floating: DD3 Palu Suyene receives 174 tons.
Free-floating: DD3 State Ballo Kaiedia receives 51 tons, completed.
Free-floating: DD3 Maximum Holtfors Balance Kaien receives 51 tons, completed.

Fukuoka Navy Yard, Fukuoka (Kyushu)
Slip III-5A => CA Miyazawa Yukino laid down 1/1/1924, receives 1,531 tons.
Slip II-5A => idle
Slip I-5A => idle
Dock III-5A => idle
Free-floating: DD3 Mell Sacheir receives 174 tons.
Free-floating: DD3 Viscount Huah von Hitter receives 174 tons.
Free-floating: DD3 Jabo Beat receives 174 tons.
Free-floating: DD3 Dougulus Kaien receives 174 tons.
Free-floating: DD3 Nu. Suoad Graphight receives 51 tons, completed.
Free-floating: DD3 Qukey receives 51 tons, completed.

Hakodate Navy Yard, Hakodate (Hokkaido)
Slip III-6A => CA Sakura Tsubaki laid down 1/1/1924, receives 1,531 tons.
Slip II-6A => idle
Slip I-6A => idle
Free-floating: DD3 Mell Rince Usare Tama receives 174 tons.
Free-floating: DD3 Senkoukei Tomoe receives 174 tons.
Free-floating: DD3 Iemrah Lout Jajas receives 51 tons, completed.
Free-floating: DD3 Bugle de Leizer receives 51 tons, completed.

Aomori Navy Yard, Aomori (Honshu)
Slip III-7A => idle
Slip I-7A => idle
Dock I-7A => idle
Free-floating: DD3 Zoom receives 174 tons.
Free-floating: DD3 Ko Fan Shiemar receives 174 tons.
Free-floating: DD3 Mishalu Ha Lonn receives 51 tons, completed.

Kagoshima Navy Yard, Kagoshima (Kyushu)
Slip III-8A => idle
Slip I-8A => GB Go ni Mk.1 III laid down 1/1/1924, receives 468 tons.
Dock I-8A => idle
Slip 0-8A => under construction
Slip 0-8B => under construction
Dock 0-8A => under construction
Free-floating: DD3 Daizina Meister receives 174 tons.
Free-floating: DD3 Amaterasu dis Green Ooe receives 174 tons.
Free-floating: DD3 John Weinzel receives 51 tons, completed.

Wakayama Navy Yard, Wakayama (Honshu)
Slip III-9A => idle
Slip I-9A => idle
Dock I-9A => idle
Free-floating: DD3 Label Judah receives 174 tons.
Free-floating: DD3 Huselles Carliey receives 174 tons.
Free-floating: DD3 Allen Braford receives 51 tons, completed.

Tokushima Navy Yard, Tokushima (Shikoku)
Slip III-10A => idle
Slip I-10A => idle
Dock I-10A => idle
Free-floating: DD3 Maiyu Sukat receives 174 tons.
Free-floating: DD3 Eidrian Tag receives 174 tons.

Niigata Navy Yard, Niigata (Honshu)
Slip I-11A => GB Go ni Mk.1 V laid down 1/1/1924, receives 468 tons.
Slip I-11B => idle
Dock III-11A => idle
Free-floating: DD3 Myoury Kinky receives 174 tons.
Free-floating: DD3 Muse van Reyback receives 174 tons.
Free-floating: DD3 Urazen Sie receives 51 tons, completed.

Niihama Navy Yard, Niihama (Shikoku)
Slip I-12A => GB Go ni Mk.1 VI laid down 1/1/1924, receives 468 tons.
Slip I-12B => idle
Dock III-12A => idle
Free-floating: DD3 Sir Bester Orbit receives 174 tons.
Free-floating: DD3 Picking Harres receives 174 tons.

D. Transactions

none.

E. Other Notes


FSS: F class Destroyers Urikuru, Eruma, Ananda, Rinsa, Sarome, Konkoodo, Puura, Okisutoro, Uiruma, Biirudo, and Erara complete shakedown cruises.

FSS: OC class Destroyers Melcorr Litra, King Lader VIII, Emperor Colus III, Empress Elmelah Colus,Queen Lizard Meistner, Amaterasu-no-Mikoto, Amaterasu-no-Mikado, Mission Rouath, Lord Ballanka, Queen Almeaios, Roados Dragoon, Decors Weissmel, Grard Sydmian, Dr. Chrome Ballanche, Dr. Prisen Corks, Dr. Morard Carbyte, Dr. Steel Koop, Aisha Codante, Landwand Spacorn, Falk U. Rogner, Lie Ex, Spector, Dr. Dippa Dorpos, Hind Kill, and Leopard Crytharis complete shakedown cruises.

CVX Zuiho and Shoho continue shakedown cruises.

Urazen Sie, Poesche Nomien, Sharie Randers Krötenschwanz, Bijotorn Corlala, State Ballo Kaiedia, Nu. Suoad Graphight, Iemrah Lout Jajas, Mishalu Ha Lonn, John Weinzel, Allen Braford, Maximum Holtfors Balance Kaien, Qukey, and Bugle de Leizer begin shakedown cruises.


New units laid down this quarter: .
Troop transport ships Go ni III, Go ni IV, Go ni V, and Go Ni VI. Require 1714 tons and 11 months each.
Troop transport ships Go Ni Mk.2 I and Go ni Mk.2 II. Require 3266 tons and 13 months each.
Heavy Cruisers Miyazawa Yukino and Sakura Tsubaki. Require 12,408 tons and 22 months


F. Updated Order of Battle, 31/3/24

Note: Y)+Z = completed (under repair/refit) + under construction

Limited warships:
Battleships: 6(0)+0
Aircraft Carriers: 3(0)+0
Heavy Cruisers: 4(0)+2
Light Cruisers: 14(0)+0
Destroyers class 2: 22(0)+0
Submarines: 7(0)+0
Coast Defense Vessels: 3(0)+0
Museum ships: 0(2)+0

Non-limited Warships
Destroyers class 3: 148(0)+27
Gunboats: 26(0)+6
Minelayers: 27(0)+0
Minesweepers: 18(0)+0
Submarine Chasers class 1: 30(0)+0
Submarine Chasers class 2: 42(0)+0
Corvettes: 30(0)+0

Auxiliaries
Ammunition ships: 3
Oilers: 9
Cargo ships: 32
Transport ships: 16
Tenders: 7
Repair ships: 5
Netlayer and target towing vessel: 4
Naval Tugs: 12

MUCH, MUCH, MUCH easier to read.....and now that I KNOW what you have VERY VERY VERY scary!!!!

(P.S. Can I be your friend?)

Quoted

MUCH, MUCH, MUCH easier to read.....and now that I KNOW what you have VERY VERY VERY scary!!!!

Scary? In what way?

Do I really have to answer that??????

Quoted

Do I really have to answer that??????

Only if you want to.


Data on the Yukino (ex-Takao)

Yukino, Japan Heavy Cruiser laid down 1924

Displacement:
12,408 t light; 12,985 t standard; 14,743 t normal; 16,090 t full load
Loading submergence 775 tons/feet

Dimensions:
660.00 ft x 66.00 ft x 24.00 ft (normal load)
201.17 m x 20.12 m x 7.32 m

Armament:
12 - 8.00" (20.3 cm) / 50 cal Model 1924 guns in 6 main turrets x 2 guns, 2 superfiring turrets; B and Y
8 - 10.5 cm (4.13") / 50 cal Model 1921 guns in 4 2nd turrets x 2 guns
12 - 40 mm (1.57") / 40 cal Model 1924 AA guns
24 - 25 mm (0.98") / 60 cal Model 1918 light AA guns
Weight of broadside 3,389 lbs / 1,537 kg
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
Belt 5.50" / 140 mm, ends unarmoured
Belts cover 107 % of normal area
Main turrets 4.00" / 102 mm, 2nd turrets 1.00" / 25 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 1.50" / 38 mm, Conning tower 4.00" / 102 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 115,912 shp / 86,471 Kw = 33.00 kts
Range 10,000nm at 15.00 kts

Complement:
44 officers, 800 other rank (668 - 869)

Cost:
£4.094 million / $16.378 million

Distribution of weights at normal displacement:
Armament: 424 tons, 2.9 %
Armour: 2,581 tons, 17.5 %
Belts: 1,009 tons, 6.8 %, Armament: 768 tons, 5.2 %, Armour Deck: 753 tons, 5.1 %
Conning Tower: 52 tons, 0.4 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 3,818 tons, 25.9 %
Hull, fittings & equipment: 5,535 tons, 37.5 %
Fuel, ammunition & stores: 2,335 tons, 15.8 %
Miscellaneous weights: 50 tons, 0.3 %

Metacentric height 3.6

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is adequate

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.18
Shellfire needed to sink: 14,245 lbs / 6,461 Kg = 55.6 x 8.0 " / 203 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.6
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 50 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.51
Relative quality as seaboat: 1.00

Hull form characteristics:
Block coefficient: 0.494
Sharpness coefficient: 0.33
Hull speed coefficient 'M': 8.23
'Natural speed' for length: 25.69 kts
Power going to wave formation at top speed: 55 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 106.7 %
Relative accommodation and working space: 114.1 %
(Average = 100%)
Displacement factor: 108 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.98
(Structure weight / hull surface area: 122 lbs / square foot or 597 Kg / square metre)
Relative longitudinal hull strength: 1.16
(for 19.60 ft / 5.97 m average freeboard, freeboard adjustment 3.23 ft)
Relative composite hull strength: 1.00

Main/secondary layout
----------#--#-----------
---A-Bs-C-------X-Ys-Z---
----------#--#-----------

Yukino's IZ vs "Bas": negative.

Basilan's IZ vs "Yuk": 16,750-21,250 yards

Sayonara, Yukino! Run away!

Quoted

Yukino's IZ vs "Bas": negative.

Basilan's IZ vs "Yuk": 16,750-21,250 yards

Sayonara, Yukino! Run away!

And what if I do run away? What will you do? Chase me or keep your position?

Data on the Go ni Mk.2 (as released to the papers. For actual data: see Japan's infrastructure)

Go Ni type II, Japan Small/Med. troop transport ship laid down 1924

Displacement:
3,266 t light; 3,395 t standard; 4,069 t normal; 4,592 t full load
Loading submergence 401 tons/feet

Dimensions:
430.00 ft x 46.00 ft x 12.00 ft (normal load)
131.06 m x 14.02 m x 3.66 m

Armament:
4 - 150 mm (5.91") / 45 cal Model 1921 guns in 2 Main turrets x 2 guns, 1 superfiring turret (B). Main turrets are grouped together
10 - 75 mm (2.95") / 50 cal Model 1920 guns (10 2nd turrets x 1 guns)
4 - 50 mm (1.97") / 60 cal Model 1918 AA guns
12 - 25 mm (0.98") / 60 cal Model 1918 light AA guns
Weight of broadside 580 lbs / 263 kg

Armour:
Main turrets 2.00" / 51 mm, 2nd turrets 1.00" / 25 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Conning tower 3.00" / 76 mm

Machinery:
Coal and oil fired boilers, steam turbines,
Geared drive, 2 shafts, 9,212 shp / 6,872 Kw = 20.00 kts
Range 8,000nm at 15.00 kts

Complement:
254 - 331

Cost:
£0.631 million / $2.525 million

Distribution of weights at normal displacement:
Armament: 72 tons, 1.8 %
Armour: 138 tons, 3.4 %
Belts: 0 tons, 0.0 %, Armament: 121 tons, 3.0 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 16 tons, 0.4 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 355 tons, 8.7 %
Hull, fittings & equipment: 1,511 tons, 37.1 %
Fuel, ammunition & stores: 1,393 tons, 34.2 %
Miscellaneous weights: 600 tons, 14.7 %

Metacentric height 2.2

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.21
Shellfire needed to sink: 9,020 lbs / 4,092 Kg = 87.6 x 5.9 " / 150 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.1
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 73 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.32
Relative quality as seaboat: 1.52

Hull form characteristics:
Block coefficient: 0.600
Sharpness coefficient: 0.37
Hull speed coefficient 'M': 8.23
'Natural speed' for length: 20.74 kts
Power going to wave formation at top speed: 42 %
Trim: 48
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 59.1 %
Relative accommodation and working space: 146.9 %
(Average = 100%)
Displacement factor: 201 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.01
(Structure weight / hull surface area: 73 lbs / square foot or 354 Kg / square metre)
Relative longitudinal hull strength: 1.10
(for 13.95 ft / 4.25 m average freeboard, freeboard adjustment 1.30 ft)
Relative composite hull strength: 1.01


300 armed soldiers (at 1.5 tons per soldier (Japanese)) (=450 tons)
1 scoutplane (aft) for main guns (25 tons)
catapult + crane (25 tons)
Ramp + ramp control system (50 tons)

Quoted

And what if I do run away? What will you do? Chase me or keep your position?

Since "Yuk" is faster, I will 'retain possesion of the battlefield'.

Quoted

Since "Yuk" is faster, I will 'retain possesion of the battlefield'.

You are correct there. She is a bit faster but she also has a slightly bigger range, so the Basilan will run out of fuel before the Yukino does.
But will you stay on the battlefield, knowing that your position will have been reported to the Carrier Strike Force?

Basilan's seakeeping: 1.14

Yukino's seakeeping: 1.00

So Yukino's two knot speed advantage might disappear in heavy seas. Taking waves over the bow will certainly impede Yukino's escape. In bad weather, better hope friends are close!

Quoted

So Yukino's two knot speed advantage might disappear in heavy seas. Taking waves over the bow will certainly impede Yukino's escape. In bad weather, better hope friends are close!

Neither the Carrier Strike Force nor the 14 inch guns will be far away.
If Basilan decides to chase the Yukino, she'll end up being chased away by Nagato and Mutsu or Fuso and Yamashiro.
If Basilan decides to hold position, she'll end up being chased away by the planes of the Shoho or the Zuiho.

Well, if you guys want it that badly: a knot slower, 0.5 inch more belt as well as an increased quality as seaboat.

Yukino, Japan Heavy Cruiser laid down 1924

Displacement:
12,408 t light; 12,985 t standard; 14,743 t normal; 16,090 t full load
Loading submergence 775 tons/feet

Dimensions:
660.00 ft x 66.00 ft x 24.00 ft (normal load)
201.17 m x 20.12 m x 7.32 m

Armament:
12 - 8.00" / 203 mm guns (6 Main turrets x 2 guns, 2 superfiring turrets)
8 - 4.13" / 105 mm guns (4 2nd turrets x 2 guns)
12 - 1.57" / 40 mm AA guns
24 - 0.98" / 25 mm guns
Weight of broadside 3,389 lbs / 1,537 kg
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
Belt 6.00" / 152 mm, upper belt 1.00" / 25 mm, ends unarmoured
Belts cover 98 % of normal area
Main turrets 4.00" / 102 mm, 2nd turrets 1.00" / 25 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 1.60" / 41 mm, Conning tower 4.00" / 102 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 102,470 shp / 76,443 Kw = 32.00 kts
Range 10,000nm at 15.00 kts

Complement:
668 - 869

Cost:
£3.903 million / $15.612 million

Distribution of weights at normal displacement:
Armament: 424 tons, 2.9 %
Armour: 2,819 tons, 19.1 %
Belts: 1,146 tons, 7.8 %, Armament: 818 tons, 5.5 %, Armour Deck: 803 tons, 5.4 %
Conning Tower: 52 tons, 0.4 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 3,375 tons, 22.9 %
Hull, fittings & equipment: 5,740 tons, 38.9 %
Fuel, ammunition & stores: 2,335 tons, 15.8 %
Miscellaneous weights: 50 tons, 0.3 %

Metacentric height 3.0

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.06
Shellfire needed to sink: 16,803 lbs / 7,622 Kg = 65.6 x 8.0 " / 203 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.8
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.74
Relative quality as seaboat: 1.21

Hull form characteristics:
Block coefficient: 0.494
Sharpness coefficient: 0.33
Hull speed coefficient 'M': 8.23
'Natural speed' for length: 25.69 kts
Power going to wave formation at top speed: 53 %
Trim: 58
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 97.2 %
Relative accommodation and working space: 128.6 %
(Average = 100%)
Displacement factor: 113 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.96
(Structure weight / hull surface area: 123 lbs / square foot or 599 Kg / square metre)
Relative longitudinal hull strength: 1.35
(for 22.10 ft / 6.74 m average freeboard, freeboard adjustment 5.73 ft)
Relative composite hull strength: 1.00

Quoted

But will you stay on the battlefield, knowing that your position will have been reported to the Carrier Strike Force?

Urk!

So in the end I will 'retain possesion of the battlefield'.
:-)