Anti Aircraft Oyodo

An Anti Aircraft Variant of the Oyodo class Cruiser.
It is equipped with 22 100mm AA Guns in 11 Double turrets.

The Simulation:

IJN Oyodo, Imperial Japanese Navy Anti-Aircraft Light Cruiser laid down 1941

Displacement:
7 024 t light; 7 369 t standard; 9 139 t normal; 10 554 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(630,79 ft / 622,38 ft) x 55,77 ft x (22,47 / 24,78 ft)
(192,26 m / 189,70 m) x 17,00 m x (6,85 / 7,55 m)

Armament:
10 - 3,94" / 100,0 mm 65,0 cal guns - 28,66lbs / 13,00kg shells, 400 per gun
Anti-air guns in deck and hoist mounts, 1938 Model
4 x Twin mounts on centreline, evenly spread
2 raised mounts
1 x Twin mount on centreline, forward deck aft
1 double raised mount
12 - 3,94" / 100,0 mm 65,0 cal guns - 28,66lbs / 13,00kg shells, 400 per gun
Anti-air guns in deck and hoist mounts, 1938 Model
6 x Twin mounts on sides, evenly spread
38 - 0,98" / 25,0 mm 60,0 cal guns - 0,53lbs / 0,24kg shells, 2 000 per gun
Anti-air guns in deck mounts, 1935 Model
6 x Triple mounts on centreline, evenly spread
6 raised mounts
20 x Single mounts on sides, evenly spread
Weight of broadside 651 lbs / 295 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2,95" / 75 mm 347,77 ft / 106,00 m 12,80 ft / 3,90 m
Ends: 1,57" / 40 mm 186,68 ft / 56,90 m 8,53 ft / 2,60 m
87,93 ft / 26,80 m Unarmoured ends
Main Belt covers 86 % of normal length
Main belt does not fully cover magazines and engineering spaces
Main Belt inclined 30,00 degrees (positive = in)

- Torpedo Bulkhead - Strengthened structural bulkheads:
2,36" / 60 mm 347,77 ft / 106,00 m 18,44 ft / 5,62 m
Beam between torpedo bulkheads 52,49 ft / 16,00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,98" / 25 mm 0,79" / 20 mm
2nd: 0,98" / 25 mm 0,98" / 25 mm 0,79" / 20 mm

- Armoured deck - single deck:
For and Aft decks: 1,97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 74 477 shp / 55 560 Kw = 32,00 kts
Range 10 720nm at 18,00 kts
Bunker at max displacement = 3 185 tons

Complement:
466 - 607

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11 475 lbs / 5 205 Kg = 376,1 x 3,9 " / 100 mm shells or 2,1 torpedoes
Metacentric height 3,2 ft / 1,0 m
Roll period: 13,1 seconds

Hull form characteristics:
'Natural speed' for length: 24,95 kts
Ship tends to be wet forward

Ship space, strength and comments:
Waterplane Area: 21 497 Square feet or 1 997 Square metres
Structure weight / hull surface area: 98 lbs/sq ft or 478 Kg/sq metre
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room