WesWorld

I was looking at the picture, and I think it might be necessary to enter a greater length for the upper belt than the Main belt.

By reducing the hangar armour to 50mm, it was possible to extend+enlarge it to the proper size. :-)

Also upgraded the MGs...

PRS Sulu, Filipino aircraft carrier, laid down 1927 in India

Displacement:
12,675 t light; 13,083 t standard; 14,627 t normal; 15,862 t full load

Dimensions: Length overall / water x beam x draught
678.32 ft / 665.85 ft x 74.11 ft x 20.34 ft (normal load)
206.75 m / 202.95 m x 22.59 m x 6.20 m

Armament:
6 - 6.10" / 155 mm guns (2x3 guns), 120.00lbs / 54.43kg shells, 1927 Model
Breech loading guns in turrets (on barbettes)
on centreline, all aft, 1 raised mount aft - superfiring
16 - 3.94" / 100 mm guns (8x2 guns), 32.00lbs / 14.51kg shells, 1927 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, all raised mounts
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread, all raised mounts - superfiring
4 - 0.54" / 13.7 mm guns (2x2 guns), 0.11lbs / 0.05kg shells, 1927 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
4 - 0.54" / 13.7 mm guns in single mounts, 0.11lbs / 0.05kg shells, 1927 Model
Machine guns in deck mounts
on side ends, evenly spread

Weight of broadside 1,240 lbs / 562 kg
Shells per gun, main battery: 150

4 - 18.0" / 457.2 mm submerged torpedo tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 419.95 ft / 128.00 m 10.66 ft / 3.25 m
Ends: Unarmoured
Upper: 1.97" / 50 mm 492.13 ft / 150.00 m 17.22 ft / 5.25 m
Main Belt covers 97 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.94" / 100 mm 1.97" / 50 mm 3.15" / 80 mm
2nd: 1.18" / 30 mm 0.59" / 15 mm 0.79" / 20 mm
3rd: 0.59" / 15 mm - -

- Armour deck: 1.57" / 40 mm, Conning tower: 3.15" / 80 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 104,370 shp / 77,860 Kw = 32.01 kts
Range 14,875nm at 12.00 kts (Bunkerage = 2,779 tons)

Complement:
664 - 864

Cost:
£3.740 million / $14.958 million

Distribution of weights at normal displacement:
Armament: 147 tons, 1.0 %
Armour: 2,456 tons, 16.8 %
- Belts: 1,283 tons, 8.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 166 tons, 1.1 %
- Armour Deck: 967 tons, 6.6 %
- Conning Tower: 41 tons, 0.3 %
Machinery: 3,295 tons, 22.5 %
Hull, fittings & equipment: 5,153 tons, 35.2 %
Fuel, ammunition & stores: 1,951 tons, 13.3 %
Miscellaneous weights: 1,625 tons, 11.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
17,778 lbs / 8,064 Kg = 156.5 x 6.1 " / 155 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 4.0 ft / 1.2 m
Roll period: 15.6 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.18
Seaboat quality (Average = 1.00): 1.10

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.510
Length to Beam Ratio: 8.98 : 1
'Natural speed' for length: 25.80 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.26 ft / 7.70 m
- Forecastle (27 %): 22.74 ft / 6.93 m
- Mid (87 %): 15.16 ft / 4.62 m
- Quarterdeck (10 %): 15.16 ft / 4.62 m
- Stern: 15.16 ft / 4.62 m
- Average freeboard: 19.75 ft / 6.02 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.3 %
- Above water (accommodation/working, high = better): 178.6 %
Waterplane Area: 33,182 Square feet or 3,083 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 107 lbs/sq ft or 523 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.04
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform



And a new version of CL27, with two extra secondary guns (now matching the layout of the Chinese historical ship it's based on):

Filipino Durnaran-class Coastal Cruiser laid down 1927

Displacement:
2,254 t light; 2,377 t standard; 2,683 t normal; 2,928 t full load

Dimensions: Length overall / water x beam x draught
365.33 ft / 357.61 ft x 39.04 ft x 16.40 ft (normal load)
111.35 m / 109.00 m x 11.90 m x 5.00 m

Armament:
6 - 6.10" / 155 mm guns (3x2 guns), 120.00lbs / 54.43kg shells, 1927 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, majority aft, 1 raised mount aft - superfiring
2 - 2.95" / 75.0 mm guns in single mounts, 13.00lbs / 5.90kg shells, 1927 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts
4 - 2.95" / 75.0 mm guns in single mounts, 13.00lbs / 5.90kg shells, 1927 Model
Dual purpose guns in deck mounts with hoists
on side ends, evenly spread
3 - 0.98" / 25.0 mm guns (1x3 guns), 0.57lbs / 0.26kg shells, 1927 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns
8 - 0.54" / 13.7 mm guns (4x2 guns), 0.11lbs / 0.05kg shells, 1927 Model
Machine guns in deck mounts
on side ends, evenly spread

Weight of broadside 801 lbs / 363 kg
Shells per gun, main battery: 150

6 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 291.99 ft / 89.00 m 7.55 ft / 2.30 m
Ends: Unarmoured
Main Belt covers 126 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 1.18" / 30 mm 1.97" / 50 mm
2nd: 1.18" / 30 mm 0.59" / 15 mm 0.79" / 20 mm
3rd: 1.18" / 30 mm - -
4th: 0.59" / 15 mm - -

- Armour deck: 0.79" / 20 mm, Conning tower: 3.15" / 80 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 26,182 shp / 19,532 Kw = 28.00 kts
Range 5,000nm at 15.00 kts (Bunkerage = 551 tons)

Complement:
186 - 242

Cost:
£0.987 million / $3.949 million

Distribution of weights at normal displacement:
Armament: 95 tons, 3.5 %
Armour: 410 tons, 15.3 %
- Belts: 174 tons, 6.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 96 tons, 3.6 %
- Armour Deck: 126 tons, 4.7 %
- Conning Tower: 13 tons, 0.5 %
Machinery: 805 tons, 30.0 %
Hull, fittings & equipment: 929 tons, 34.6 %
Fuel, ammunition & stores: 429 tons, 16.0 %
Miscellaneous weights: 15 tons, 0.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,474 lbs / 668 Kg = 13.0 x 6.1 " / 155 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 1.3 ft / 0.4 m
Roll period: 14.2 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.94
Seaboat quality (Average = 1.00): 1.02

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.410
Length to Beam Ratio: 9.16 : 1
'Natural speed' for length: 18.91 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16.57 ft / 5.05 m
- Forecastle (20 %): 14.93 ft / 4.55 m
- Mid (50 %): 13.29 ft / 4.05 m
- Quarterdeck (15 %): 13.29 ft / 4.05 m
- Stern: 13.29 ft / 4.05 m
- Average freeboard: 13.99 ft / 4.27 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 125.4 %
- Above water (accommodation/working, high = better): 85.2 %
Waterplane Area: 8,646 Square feet or 803 Square metres
Displacement factor (Displacement / loading): 95 %
Structure weight / hull surface area: 59 lbs/sq ft or 290 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.67
- Longitudinal: 1.87
- Overall: 0.75
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped

Why does the Sulu have submerged torpedo tubes?
A hybrid carrier/cruiser doesn't seem to be an appropriate platform

The original Urumi was designed to carry them as a defensive measure. Located aft, they'd be used (in theory) to shoot at would-be pursuers while the ship fled a surface action.

I've seen nothing to suggest this would work well, but I thought the idea a reasonable one for the time period.