Shipbucket

Well you have on similar hull (v Yubari)

8 4x2 155mm (6 2x2+2x1 140mm) very big increase IMO
2 x ? TT (2 x 4 TT (24")) might be less if you are 21" ?

What about starting with 6 3x2 guns ? and dropping a set of TT for the float plane later ? or just make it bigger (even wider as it will not show ) and Yubari is 35.5Kn so you can trade a bit of speed off.

They are 145 mm.

Well, according to NavWeaps, the two-gun turret of "Yubari" weighted a 49 tonn, and single mount - about 20 tonn. So, if this data is reliable, than the "Yubari" main guns weighted about 49+49+20+20=138 tons, and the "Javary" main guns (if they are the same weight) - 196 tons. The difference is only about 58 tons. And i have much lighter torpedo tubes.
I use 533-mm tubes; but maybe i should use triple instead of quadruple?

_________________
Serve the Nation! Be striped!

Dilandu: are you the original artist of this? I believe it's BB1987, so what you're crediting is implying now is that you drew this first, then BB1987 modified it and next WhyMe did something about it! Do you see the dilemma?

_________________
My Avatar:Петр Алексеевич Безобразов (Petr Alekseevich Bezobrazov), Вице-адмирал , царская ВМФ России(1845-1906) - I sign my drawings as Ari Saarinen

This is what I ended up with...

*****

Javari, Pacific Confederacy Light Cruiser laid down 1925

Displacement:
7,457 t light; 7,730 t standard; 8,365 t normal; 8,873 t full load

Dimensions: Length overall / water x beam x draught
524.93 ft / 524.93 ft x 55.77 ft x 19.69 ft (normal load)
160.00 m / 160.00 m x 17.00 m x 6.00 m

Armament:
8 - 5.71" / 145 mm guns (4x2 guns), 93.02lbs / 42.19kg shells, 1925 Model
Quick firing guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1925 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
4 - 0.52" / 13.2 mm guns (2x2 guns), 0.07lbs / 0.03kg shells, 1925 Model
Machine guns in deck mounts
on side, all forward, all raised mounts - superfiring
Weight of broadside 752 lbs / 341 kg
Shells per gun, main battery: 250
8 - 21.0" / 533 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.57" / 40 mm 328.08 ft / 100.00 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 96 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.79" / 20 mm 1.18" / 30 mm

- Armour deck: 1.10" / 28 mm, Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 117,442 shp / 87,611 Kw = 35.00 kts
Range 6,000nm at 14.00 kts
Bunker at max displacement = 1,143 tons

Complement:
436 - 568

Cost:
£2.860 million / $11.439 million

Distribution of weights at normal displacement:
Armament: 94 tons, 1.1 %
Armour: 660 tons, 7.9 %
- Belts: 214 tons, 2.6 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 27 tons, 0.3 %
- Armour Deck: 401 tons, 4.8 %
- Conning Tower: 17 tons, 0.2 %
Machinery: 3,813 tons, 45.6 %
Hull, fittings & equipment: 2,841 tons, 34.0 %
Fuel, ammunition & stores: 908 tons, 10.8 %
Miscellaneous weights: 50 tons, 0.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,060 lbs / 1,841 Kg = 43.6 x 5.7 " / 145 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.33
Metacentric height 3.4 ft / 1.0 m
Roll period: 12.6 seconds
Steadiness - As gun platform (Average = 50 %): 49 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 0.69

Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
Block coefficient: 0.508
Length to Beam Ratio: 9.41 : 1
'Natural speed' for length: 22.91 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: -4.92 ft / -1.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.97 ft / 7.00 m
- Forecastle (20 %): 22.97 ft / 7.00 m (19.69 ft / 6.00 m aft of break)
- Mid (50 %): 19.69 ft / 6.00 m (16.40 ft / 5.00 m aft of break)
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 16.57 ft / 5.05 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 157.2 %
- Above water (accommodation/working, high = better): 112.6 %
Waterplane Area: 19,650 Square feet or 1,826 Square metres
Displacement factor (Displacement / loading): 92 %
Structure weight / hull surface area: 92 lbs/sq ft or 447 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.30
- Overall: 1.00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Caution: Lacks seaworthiness - very limited seakeeping ability

Based on "Yubari". TT's in quad centerline mounts, 1 mount has reloads.

Didn't come _close_ to 4,000 tons standard, belt problem and poor seakeeping cannot be fixed...

No, technically, it's WhyMe name that has to go first, Yuubari was drawn by him. The parts coming from my drawings are just the two tripod masts (from the Sendai class)


edit:
@Eltf, keep in mind that it it truly difficult (if not impossible) to correctly springsharp a working Japanese treaty cruiser because of many construction methods pretty much unique to them (like armor belts and decks making up the acutal structure of the hull, or the welded plates...)

_________________
My Worklist
Sources and documentations are the most welcome.

-Koko Kyouwakoku (Republic of Koko)
-Koko's carrier-based aircrafts of WWII
-Koko Kaiun Yuso Kaisha - KoKaYu Line (Koko AU spinoff)
-Koko - Civil Aviation

Damn, each time i think that i made all references on Shipbucket right, it appears that i make something wrong...
Er, but the belt, as on the "Yubari" is the part of the hull.

_________________
Serve the Nation! Be striped!

Ok, the references is fixed.

_________________
Serve the Nation! Be striped!

What they were saying is that the original drawing you altered was drawn by WhyMe, you have added parts from BB1987, and Dilandu was the one who put it all together. So for the credits line you end up with (WhyMe/BB1987/Dilandu)

I didn't "alter" the drawning; the hull is mine, after all. I used a lot of parts of WhyMe drawnings, as artillery mounts - eidted and elongated - as well as the other components. So, I presume that the line of BB1987/WhyMe/Dilandu would work either?

_________________
Serve the Nation! Be striped!