Vilnius Union Ships, 1930+: The Good, The Bad, and the Unseaworthy

[Kaiser Kirk]

I'm going with the 17%, so 90/.17 = 529mm, not 90/.2 = 450.
I've also been wondering if the slope of the decapping plate should be considered. It adds~5% to thickness, so 90 becomes 94.5 = 555

[The Rock Doctor]

I thought we'd established the rule was 20%?

No idea about the slope.

[The Rock Doctor]

Don't think I've posted the G-class sloops, but if I have, I'm sure it's worth another look.

They have the same role as the Quackenbruck class, which is to protect Union auxiliaries doing their thing on the high seas.  This means a highish speed and a heavy armament, including torpedoes.




Enter ship name, Enter country Enter ship type laid down 1937

Displacement:
   1,647 t light; 1,792 t standard; 2,198 t normal; 2,522 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (374.77 ft / 360.89 ft) x 36.09 ft x (13.12 / 14.46 ft)
   (114.23 m / 110.00 m) x 11.00 m  x (4.00 / 4.41 m)

Armament:
      4 - 5.12" / 130 mm 45.0 cal guns - 67.62lbs / 30.67kg shells, 400 per gun
     Dual purpose guns in deck and hoist mounts, 1937 Model
     2 x 2-gun mounts on centreline, evenly spread
      1 - 5.91" / 150 mm 25.0 cal gun - 93.52lbs / 42.42kg shells, 150 per gun
     Breech loading gun in deck mount, 1937 Model
     1 x Single mount on centreline, forward deck centre
      1 raised mount
      6 - 1.97" / 50.0 mm 60.0 cal guns - 4.19lbs / 1.90kg shells, 1,500 per gun
     Anti-air guns in deck mounts, 1937 Model
     2 x Twin mounts on sides, forward deck aft
     1 x Twin mount on centreline, aft deck centre
      1 raised mount
      8 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 5,000 per gun
     Machine guns in deck mounts, 1937 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 393 lbs / 178 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.97" / 50 mm   1.18" / 30 mm      1.97" / 50 mm
   2nd:   0.59" / 15 mm   0.12" / 3 mm            -
   3rd:   0.59" / 15 mm         -               -
   4th:   0.59" / 15 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Electric cruising motors plus geared drives, 2 shafts, 17,426 shp / 13,000 Kw = 26.65 kts
   Range 8,000nm at 15.00 kts
   Bunker at max displacement = 731 tons

Complement:
   159 - 208

Cost:
   £0.851 million / $3.403 million

Distribution of weights at normal displacement:
   Armament: 93 tons, 4.2 %
      - Guns: 93 tons, 4.2 %
   Armour: 27 tons, 1.2 %
      - Armament: 27 tons, 1.2 %
   Machinery: 483 tons, 22.0 %
   Hull, fittings & equipment: 709 tons, 32.2 %
   Fuel, ammunition & stores: 551 tons, 25.1 %
   Miscellaneous weights: 336 tons, 15.3 %
      - Hull below water: 146 tons
      - On freeboard deck: 80 tons
      - Above deck: 110 tons

Fittings: 
-25 t:  Enhanced hydrophones and sonar (BW)
-121 t:  Electric drive (BW)
-16 t:  1x4 heavyweight 530mm torpeod carriage, no reloads (FD)
-20 t:  ASW ordnance TBD (FD)
-10 t:  Fire control (AD)
-10 t:  Nightfighting doodads (AD)
-25 t:  L/R wireless (AD)
-25 t:  Huelsmeyer device (AD)
-44 t + 40 t:  Weight reserve (FD/AD)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2,461 lbs / 1,116 Kg = 36.7 x 5.1 " / 130 mm shells or 0.8 torpedoes
   Stability (Unstable if below 1.00): 1.12
   Metacentric height 1.3 ft / 0.4 m
   Roll period: 13.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 80 %
         - Recoil effect (Restricted arc if above 1.00): 0.66
   Seaboat quality  (Average = 1.00): 1.77

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and small transom stern
   Block coefficient (normal/deep): 0.450 / 0.469
   Length to Beam Ratio: 10.00 : 1
   'Natural speed' for length: 20.45 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 45
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 4.92 ft / 1.50 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  24.61 ft / 7.50 m,  19.69 ft / 6.00 m
      - Forward deck:   30.00 %,  19.69 ft / 6.00 m,  19.69 ft / 6.00 m
      - Aft deck:   35.00 %,  11.81 ft / 3.60 m,  11.81 ft / 3.60 m
      - Quarter deck:   15.00 %,  11.81 ft / 3.60 m,  11.81 ft / 3.60 m
      - Average freeboard:      16.14 ft / 4.92 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 95.5 %
      - Above water (accommodation/working, high = better): 157.3 %
   Waterplane Area: 8,501 Square feet or 790 Square metres
   Displacement factor (Displacement / loading): 136 %
   Structure weight / hull surface area: 45 lbs/sq ft or 220 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.65
      - Longitudinal: 2.62
      - Overall: 0.75
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[Kaiser Kirk]

I thought we'd established the rule was 20%?

No idea about the slope.

I'd have to go find the post discussing it again, but I believe it starts that the first look comes up at ~20% but Okun later put it about 17%. I've been going with the 17% and would need to redo my armor allocations otherwise. I have a vague memory that you may have decided to go with the earlier number as better indicating a lack of precise knowledge in the era.

As for slope, the decapping effect is directly related to the thickness of metal passed through, so that actually should matter.

...might be something someone should move to the ship design notes...

[The Rock Doctor]

Note to self to refit RL1 icebreakers, first coastal escort group, KS25 korweta for 1/37

[The Rock Doctor]

A refit of the T-class torpedo-boats updates the armament and fire control, and adds sonar and a destroyer-scale Huelsmeyer Device, which is probably early radar under the same name.

This leaves the ship with very little weight reserve, and the new main gun mounts only have weatherproofing over the tops and sides rather than the genuine splinter protection that the preceding mounts had.

Cost is $0.24 and 0.139 BP per unit, with four units to be updated.



Enter ship name, Enter country Enter ship type laid down 1923

Displacement:
   1,870 t light; 1,971 t standard; 2,250 t normal; 2,473 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (388.70 ft / 377.30 ft) x 36.09 ft x (14.11 / 15.03 ft)
   (118.48 m / 115.00 m) x 11.00 m  x (4.30 / 4.58 m)

Armament:
      4 - 5.12" / 130 mm 45.0 cal guns - 67.62lbs / 30.67kg shells, 250 per gun
     Dual purpose guns in deck and hoist mounts, 1923 Model
     4 x Single mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      2 - 1.97" / 50.0 mm 60.0 cal guns - 4.19lbs / 1.90kg shells, 1,500 per gun
     Anti-air guns in deck mount, 1923 Model
     1 x Twin mount on centreline, forward deck aft
      1 raised mount
      8 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 5,000 per gun
     Machine guns in deck mounts, 1923 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 283 lbs / 128 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.97" / 50 mm   0.12" / 3 mm      1.97" / 50 mm
   2nd:   0.59" / 15 mm         -               -
   3rd:   0.59" / 15 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 40,214 shp / 30,000 Kw = 32.25 kts
   Range 12,000nm at 10.00 kts
   Bunker at max displacement = 502 tons

Complement:
   163 - 212

Cost:
   £0.729 million / $2.918 million

Distribution of weights at normal displacement:
   Armament: 81 tons, 3.6 %
      - Guns: 81 tons, 3.6 %
   Armour: 14 tons, 0.6 %
      - Armament: 14 tons, 0.6 %
   Machinery: 1,131 tons, 50.3 %
   Hull, fittings & equipment: 523 tons, 23.2 %
   Fuel, ammunition & stores: 380 tons, 16.9 %
   Miscellaneous weights: 121 tons, 5.4 %
      - Hull below water: 25 tons
      - On freeboard deck: 42 tons
      - Above deck: 54 tons

Fittings:
-9 t:  1930 Fire control (AD)
-25 t:  L/R wireless (AD)
-10 t:  Nightfighting doodads (AD)
-10 t:  TB-scale Heulsmeyer Device (AD)
-24 t:  2x3 21" TT (FD)
-15 t:  ASW munitions (FD) (TBD)
-3 t:  Weight reserve (FD)
-15 t:  Enhanced hydrophone package (BW)
-10 t:  Sonar (BW)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     539 lbs / 244 Kg = 8.0 x 5.1 " / 130 mm shells or 0.3 torpedoes
   Stability (Unstable if below 1.00): 1.21
   Metacentric height 1.5 ft / 0.5 m
   Roll period: 12.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 62 %
         - Recoil effect (Restricted arc if above 1.00): 0.43
   Seaboat quality  (Average = 1.00): 1.03

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.410 / 0.423
   Length to Beam Ratio: 10.45 : 1
   'Natural speed' for length: 19.42 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 60
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 3.28 ft / 1.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  22.31 ft / 6.80 m,  18.37 ft / 5.60 m
      - Forward deck:   26.00 %,  18.37 ft / 5.60 m,  18.37 ft / 5.60 m
      - Aft deck:   39.00 %,  10.50 ft / 3.20 m,  10.50 ft / 3.20 m
      - Quarter deck:   15.00 %,  10.50 ft / 3.20 m,  10.50 ft / 3.20 m
      - Average freeboard:      14.44 ft / 4.40 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 176.1 %
      - Above water (accommodation/working, high = better): 134.5 %
   Waterplane Area: 8,432 Square feet or 783 Square metres
   Displacement factor (Displacement / loading): 73 %
   Structure weight / hull surface area: 35 lbs/sq ft or 173 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.36
      - Overall: 0.55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room

[The Rock Doctor]

Refit of the two Goscinny class depot ships also replaces the armament, and adds fire control that nobody thought to bother with when the class was first designed.  What was up with that?

Unit cost is $0.21/0.127 BP



Enter ship name, Enter country Enter ship type laid down 1924

Displacement:
   8,939 t light; 9,232 t standard; 10,118 t normal; 10,827 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (390.76 ft / 380.58 ft) x 62.34 ft x (22.97 / 24.33 ft)
   (119.10 m / 116.00 m) x 19.00 m  x (7.00 / 7.42 m)

Armament:
      4 - 5.12" / 130 mm 45.0 cal guns - 67.62lbs / 30.67kg shells, 400 per gun
     Dual purpose guns in deck and hoist mounts, 1924 Model
     2 x 2-gun mounts on centreline, aft deck aft
      1 raised mount aft - superfiring
      8 - 1.97" / 50.0 mm 60.0 cal guns - 4.18lbs / 1.89kg shells, 1,500 per gun
     Anti-air guns in deck mounts, 1924 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
      12 - 0.59" / 15.0 mm 90.0 cal guns - 0.12lbs / 0.05kg shells, 4,000 per gun
     Machine guns in deck mounts, 1924 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
     4 x Single mounts on sides, evenly spread
      Weight of broadside 305 lbs / 138 kg

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

Machinery:
   Diesel Internal combustion generators,
   Electric motors, 2 shafts, 12,064 shp / 9,000 Kw = 18.23 kts
   Range 16,400nm at 10.00 kts
   Bunker at max displacement = 1,595 tons

Complement:
   503 - 655

Cost:
   £1.228 million / $4.912 million

Distribution of weights at normal displacement:
   Armament: 87 tons, 0.9 %
      - Guns: 87 tons, 0.9 %
   Armour: 31 tons, 0.3 %
      - Armament: 31 tons, 0.3 %
   Machinery: 397 tons, 3.9 %
   Hull, fittings & equipment: 2,352 tons, 23.2 %
   Fuel, ammunition & stores: 1,180 tons, 11.7 %
   Miscellaneous weights: 6,071 tons, 60.0 %
      - Hull below water: 2,219 tons
      - Hull above water: 2,116 tons
      - On freeboard deck: 1,138 tons
      - Above deck: 598 tons

Fittings:
-219 t:  T-E machinery (BW)
-116 t:  Torpedo nets (AW)
-100 t:  Cargo handling gear (FD)
-25 t:  L/R wireless (AD)
-9 t:  1930 fire control (AD)
-102 t:  Weight reserve (mostly AD)
-5,500 t:  Supply/support for 55,000 t of warships (2/2/1/0.5 from bottom to top)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     18,180 lbs / 8,246 Kg = 271.2 x 5.1 " / 130 mm shells or 2.6 torpedoes
   Stability (Unstable if below 1.00): 1.20
   Metacentric height 3.4 ft / 1.0 m
   Roll period: 14.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.08
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has raised forecastle, rise aft of midbreak, low quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.650 / 0.657
   Length to Beam Ratio: 6.11 : 1
   'Natural speed' for length: 19.51 kts
   Power going to wave formation at top speed: 50 %
   Trim (Max stability = 0, Max steadiness = 100): 35
   Bow angle (Positive = bow angles forward): 10.00 degrees
   Stern overhang: 4.92 ft / 1.50 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  29.86 ft / 9.10 m,  24.93 ft / 7.60 m
      - Forward deck:   30.00 %,  17.06 ft / 5.20 m,  17.06 ft / 5.20 m
      - Aft deck:   35.00 %,  24.93 ft / 7.60 m,  24.93 ft / 7.60 m
      - Quarter deck:   15.00 %,  17.06 ft / 5.20 m,  17.06 ft / 5.20 m
      - Average freeboard:      21.78 ft / 6.64 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 63.5 %
      - Above water (accommodation/working, high = better): 146.6 %
   Waterplane Area: 18,174 Square feet or 1,688 Square metres
   Displacement factor (Displacement / loading): 141 %
   Structure weight / hull surface area: 82 lbs/sq ft or 399 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.88
      - Longitudinal: 2.91
      - Overall: 1.00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

116 t AW for nets
216 t BW for machinery

[The Rock Doctor]

Hey speaking of depot ships, here's a new one.  The slight increase in size from previous types allows for more capacity and bunkerage.  The armament is mildly improved as well.



Enter ship name, Enter country Enter ship type laid down 1937

Displacement:
   10,001 t light; 10,334 t standard; 11,702 t normal; 12,796 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (428.21 ft / 418.14 ft) x 65.62 ft x (22.97 / 24.79 ft)
   (130.52 m / 127.45 m) x 20.00 m  x (7.00 / 7.56 m)

Armament:
      4 - 5.12" / 130 mm 45.0 cal guns - 67.62lbs / 30.67kg shells, 400 per gun
     Dual purpose guns in deck and hoist mounts, 1937 Model
     2 x 2-gun mounts on centreline, aft deck aft
      1 raised mount aft - superfiring
      8 - 1.97" / 50.0 mm 60.0 cal guns - 4.19lbs / 1.90kg shells, 1,500 per gun
     Anti-air guns in deck mounts, 1937 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
      8 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 5,000 per gun
     Machine guns in deck mounts, 1937 Model
     4 x Twin mounts on sides, evenly spread
      4 raised mounts
      Weight of broadside 308 lbs / 140 kg

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

Machinery:
   Diesel Internal combustion generators,  plus diesel motors,
   Electric motors, 2 shafts, 12,735 shp / 9,500 Kw = 18.22 kts
   Range 10,000nm at 15.00 kts
   Bunker at max displacement = 2,462 tons

Complement:
   562 - 731

Cost:
   £2.336 million / $9.345 million

Distribution of weights at normal displacement:
   Armament: 87 tons, 0.7 %
      - Guns: 87 tons, 0.7 %
   Armour: 27 tons, 0.2 %
      - Armament: 27 tons, 0.2 %
   Machinery: 353 tons, 3.0 %
   Hull, fittings & equipment: 2,720 tons, 23.2 %
   Fuel, ammunition & stores: 1,702 tons, 14.5 %
   Miscellaneous weights: 6,814 tons, 58.2 %
      - Hull below water: 3,194 tons
      - Hull above water: 2,127 tons
      - On freeboard deck: 693 tons
      - Above deck: 800 tons

Fittings:
-194 t:  D-E machinery (BW)
-127 t:  Torpedo nets (AW)
-100 t:  Cargo handling gear (FD)
-25 t:  L/R wireless (AD)
-9 t:  Fire control (AD)
-93 + 66 t:  Weight reserve (FD/AD)
-3,000 + 2,000 + 500 + 700 t:  Supply/support for 62,000 t of warships (BW/AW/FD/AD)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     21,816 lbs / 9,896 Kg = 325.5 x 5.1 " / 130 mm shells or 2.8 torpedoes
   Stability (Unstable if below 1.00): 1.31
   Metacentric height 4.3 ft / 1.3 m
   Roll period: 13.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.06
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has raised forecastle, rise aft of midbreak, low quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.650 / 0.659
   Length to Beam Ratio: 6.37 : 1
   'Natural speed' for length: 20.45 kts
   Power going to wave formation at top speed: 46 %
   Trim (Max stability = 0, Max steadiness = 100): 35
   Bow angle (Positive = bow angles forward): 10.00 degrees
   Stern overhang: 4.92 ft / 1.50 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  29.20 ft / 8.90 m,  24.28 ft / 7.40 m
      - Forward deck:   30.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Aft deck:   35.00 %,  24.28 ft / 7.40 m,  24.28 ft / 7.40 m
      - Quarter deck:   15.00 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
      - Average freeboard:      21.13 ft / 6.44 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 63.0 %
      - Above water (accommodation/working, high = better): 147.1 %
   Waterplane Area: 21,019 Square feet or 1,953 Square metres
   Displacement factor (Displacement / loading): 150 %
   Structure weight / hull surface area: 85 lbs/sq ft or 416 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.91
      - Longitudinal: 2.23
      - Overall: 1.00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[The Rock Doctor]

The Union took a good, hard look at capital ships around the world and its experiences with the 450mm gun on the monitor Zugspitze and decided it didn't want to escalate to a 27 knot, 450mm battleship with the kind of protection seen on the preceding Kepler class ships.

In fact, it rather liked the Kepler class.

So the Jan Marek Marci is a mildly improved Kepler on the exact same hull.  Same armament, except for the light AA.  Same armor scheme, except heavier barbettes.  Engine weight savings also allow for more room in the superstructure for command facilities. 

It's likely that air search radar will be added to the class as it's under construction, too.

Marek will be laid down in 1938, Battleship N will follow in 1939, and we'll see whether they are followed by another class or if the age of the carrier is clearly upon us in 1941.



.mmm, Enter country Enter ship type laid down 1938

Displacement:
   46,430 t light; 48,977 t standard; 52,336 t normal; 55,024 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (805.31 ft / 787.40 ft) x 108.27 ft (Bulges 114.83 ft) x (31.17 / 32.61 ft)
   (245.46 m / 240.00 m) x 33.00 m (Bulges 35.00 m)  x (9.50 / 9.94 m)

Armament:
      8 - 15.75" / 400 mm 50.0 cal guns - 2,425.09lbs / 1,100.00kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1938 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      20 - 5.12" / 130 mm 45.0 cal guns - 67.61lbs / 30.67kg shells, 400 per gun
     Dual purpose guns in deck and hoist mounts, 1938 Model
     8 x 2-gun mounts on side ends, evenly spread
     2 x 2-gun mounts on centreline, evenly spread
      2 double raised mounts
      28 - 1.97" / 50.0 mm 60.0 cal guns - 4.18lbs / 1.89kg shells, 1,500 per gun
     Anti-air guns in deck mounts, 1938 Model
     12 x Twin mounts on sides, evenly spread
      8 raised mounts
     2 x Twin mounts on centreline ends, evenly spread
      16 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 5,000 per gun
     Machine guns in deck mounts, 1938 Model
     8 x Twin mounts on sides, evenly spread
      8 double raised mounts
      Weight of broadside 20,878 lbs / 9,470 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   17.3" / 440 mm   511.81 ft / 156.00 m   16.37 ft / 4.99 m
   Ends:   Unarmoured
     Main Belt covers 100 % of normal length
     Main Belt inclined 16.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      2.95" / 75 mm   511.81 ft / 156.00 m   29.92 ft / 9.12 m
   Beam between torpedo bulkheads 82.02 ft / 25.00 m

   - Hull Bulges:
      0.59" / 15 mm   456.36 ft / 139.10 m   29.20 ft / 8.90 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   19.7" / 500 mm   7.87" / 200 mm      15.7" / 400 mm
   3rd:   1.97" / 50 mm   1.18" / 30 mm      1.97" / 50 mm
   4th:   0.59" / 15 mm         -               -
   5th:   0.59" / 15 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 6.69" / 170 mm
   Forecastle: 5.51" / 140 mm  Quarter deck: 6.69" / 170 mm

   - Conning towers: Forward 15.75" / 400 mm, Aft 0.00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 120,643 shp / 90,000 Kw = 27.01 kts
   Range 10,000nm at 15.00 kts
   Bunker at max displacement = 6,048 tons

Complement:
   1,729 - 2,249

Cost:
   £22.202 million / $88.806 million

Distribution of weights at normal displacement:
   Armament: 4,076 tons, 7.8 %
      - Guns: 4,076 tons, 7.8 %
   Armour: 20,830 tons, 39.8 %
      - Belts: 6,249 tons, 11.9 %
      - Torpedo bulkhead: 1,673 tons, 3.2 %
      - Bulges: 291 tons, 0.6 %
      - Armament: 4,117 tons, 7.9 %
      - Armour Deck: 8,024 tons, 15.3 %
      - Conning Tower: 475 tons, 0.9 %
   Machinery: 3,303 tons, 6.3 %
   Hull, fittings & equipment: 17,232 tons, 32.9 %
   Fuel, ammunition & stores: 5,906 tons, 11.3 %
   Miscellaneous weights: 989 tons, 1.9 %
      - On freeboard deck: 189 tons
      - Above deck: 800 tons

Fittings:
-408 t:  1930 fire control (AD)
-50 t:  Redundant L/R wireless (AD)
-25 t:  Huelsmeyer device (AD)
-25 t:  Nightfighting doodads (AD)
-200 t:  Flag facilities (AD)
-60 t:  2 armed scoutplanes and cross-deck catapult (FD)
-129 t and 92 t:  Weight reserve (FD/AD)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     92,975 lbs / 42,173 Kg = 47.6 x 15.7 " / 400 mm shells or 18.3 torpedoes
   Stability (Unstable if below 1.00): 1.12
   Metacentric height 7.0 ft / 2.1 m
   Roll period: 18.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.66
   Seaboat quality  (Average = 1.00): 1.26

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.650 / 0.653
   Length to Beam Ratio: 6.86 : 1
   'Natural speed' for length: 28.06 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 6.56 ft / 2.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  31.17 ft / 9.50 m,  22.97 ft / 7.00 m
      - Forward deck:   40.00 %,  22.97 ft / 7.00 m,  22.97 ft / 7.00 m
      - Aft deck:   25.00 %,  22.97 ft / 7.00 m,  22.97 ft / 7.00 m
      - Quarter deck:   15.00 %,  22.97 ft / 7.00 m,  22.97 ft / 7.00 m
      - Average freeboard:      23.62 ft / 7.20 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 71.3 %
      - Above water (accommodation/working, high = better): 165.2 %
   Waterplane Area: 65,307 Square feet or 6,067 Square metres
   Displacement factor (Displacement / loading): 114 %
   Structure weight / hull surface area: 211 lbs/sq ft or 1,029 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.97
      - Longitudinal: 1.21
      - Overall: 1.00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

[The Rock Doctor]

The Gadolin class battleships will get a modest refit in 1938.  This is basically, again, the AA battery being swapped out for new hardware, and new fire control installed.  A new surface-search Huelsmeyer device will also be installed.  Just a bit too soon for an air-search model to be added.

Cost will be $0.60 and 0.498 BP



Enter ship name, Enter country Enter ship type laid down 1926

Displacement:
   43,949 t light; 46,177 t standard; 49,196 t normal; 51,611 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (765.58 ft / 748.03 ft) x 108.27 ft (Bulges 114.83 ft) x (30.84 / 32.20 ft)
   (233.35 m / 228.00 m) x 33.00 m (Bulges 35.00 m)  x (9.40 / 9.82 m)

Armament:
      8 - 15.75" / 400 mm 45.0 cal guns - 1,984.16lbs / 900.00kg shells, 100 per gun
     Breech loading guns in turret on barbette mounts, 1926 Model
     4 x 2-gun mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
      12 - 5.91" / 150 mm 45.0 cal guns - 103.86lbs / 47.11kg shells, 250 per gun
     Breech loading guns in turret on barbette mounts, 1926 Model
     6 x 2-gun mounts on side ends, majority forward
      16 - 3.94" / 100 mm 45.0 cal guns - 30.77lbs / 13.96kg shells, 400 per gun
     Anti-air guns in deck mounts, 1926 Model
     6 x Twin mounts on sides, forward deck aft
      6 raised mounts
     2 x Single mounts on sides, aft deck forward
      2 raised mounts
      16 - 1.97" / 50.0 mm 60.0 cal guns - 4.18lbs / 1.89kg shells, 1,500 per gun
     Anti-air guns in deck mounts, 1926 Model
     4 x Twin mounts on sides, evenly spread
     4 x Twin mounts on centreline, evenly spread
      2 double raised mounts
      16 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 5,000 per gun
     Machine guns in deck mounts, 1926 Model
     8 x Twin mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 17,687 lbs / 8,023 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   13.8" / 350 mm   484.09 ft / 147.55 m   24.90 ft / 7.59 m
   Ends:   Unarmoured
     Main Belt covers 100 % of normal length
     Main Belt inclined 16.00 degrees (positive = in)

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1.97" / 50 mm   484.09 ft / 147.55 m   29.59 ft / 9.02 m
   Beam between torpedo bulkheads 88.58 ft / 27.00 m

   - Hull Bulges:
      0.59" / 15 mm   456.36 ft / 139.10 m   29.20 ft / 8.90 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   17.7" / 450 mm   7.87" / 200 mm      15.7" / 400 mm
   2nd:   4.72" / 120 mm   1.97" / 50 mm      3.94" / 100 mm
   3rd:   0.59" / 15 mm   0.12" / 3 mm            -
   4th:   0.59" / 15 mm         -               -
   5th:   0.59" / 15 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 5.51" / 140 mm
   Forecastle: 3.94" / 100 mm  Quarter deck: 5.51" / 140 mm

   - Conning towers: Forward 15.75" / 400 mm, Aft 0.00" / 0 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 4 shafts, 119,303 shp / 89,000 Kw = 27.03 kts
   Range 20,000nm at 10.00 kts
   Bunker at max displacement = 5,434 tons

Complement:
   1,651 - 2,147

Cost:
   £12.745 million / $50.980 million

Distribution of weights at normal displacement:
   Armament: 3,589 tons, 7.3 %
      - Guns: 3,589 tons, 7.3 %
   Armour: 19,731 tons, 40.1 %
      - Belts: 7,211 tons, 14.7 %
      - Torpedo bulkhead: 1,043 tons, 2.1 %
      - Bulges: 291 tons, 0.6 %
      - Armament: 4,514 tons, 9.2 %
      - Armour Deck: 6,216 tons, 12.6 %
      - Conning Tower: 456 tons, 0.9 %
   Machinery: 3,819 tons, 7.8 %
   Hull, fittings & equipment: 15,973 tons, 32.5 %
   Fuel, ammunition & stores: 5,247 tons, 10.7 %
   Miscellaneous weights: 837 tons, 1.7 %
      - On freeboard deck: 187 tons
      - Above deck: 650 tons

Fittings:
-360 t:  Fire control (AD)
-50 t:  Redundant L/R wireless (AD)
-25 t:  Nightfighting doodads (AD)
-25 t:  Huelsmeyer device (AD)
-100 t:  Flag facilities
-55 t:  2 armed floatplanes and catapult (FD)
-132 t + 90 t:  Weight reserve (FD/AD)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     86,305 lbs / 39,148 Kg = 44.2 x 15.7 " / 400 mm shells or 15.3 torpedoes
   Stability (Unstable if below 1.00): 1.13
   Metacentric height 7.1 ft / 2.2 m
   Roll period: 18.1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.57
   Seaboat quality  (Average = 1.00): 1.25

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.650 / 0.653
   Length to Beam Ratio: 6.51 : 1
   'Natural speed' for length: 27.35 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 6.56 ft / 2.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  30.18 ft / 9.20 m,  23.95 ft / 7.30 m
      - Forward deck:   40.00 %,  23.95 ft / 7.30 m,  23.95 ft / 7.30 m
      - Aft deck:   25.00 %,  23.95 ft / 7.30 m,  23.95 ft / 7.30 m
      - Quarter deck:   15.00 %,  23.95 ft / 7.30 m,  23.95 ft / 7.30 m
      - Average freeboard:      24.45 ft / 7.45 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 68.7 %
      - Above water (accommodation/working, high = better): 171.4 %
   Waterplane Area: 62,041 Square feet or 5,764 Square metres
   Displacement factor (Displacement / loading): 113 %
   Structure weight / hull surface area: 204 lbs/sq ft or 996 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.34
      - Overall: 1.00
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

[The Rock Doctor]

Fooling around with a CVE utilizing the 1938 tech, which I started a year early and would be able to utilize in 1939 builds.

As a CVE, it'd require a speed of 27 knots to operate with Union sloops.  The airgroup was originally going to be eight units, but I bumped it up to twelve so I'd have 6 fighters and 6 scout-bomber types or a 4/8 split depending on the mission.  Handy for ASW ops, knocking down enemy scouts and recce aircraft, and maybe capable of irritating a surface raider.

Armor and armament are minimal but there's good space for sensors and facilities and I could probably stuff a few more light guns in if I felt the need.

Broadly speaking the hull dimensions are in the ballpark of HMS Nairana, so I'm assuming the hanger is in the same size range as well.  I think the carrier would have difficulty stowing more than eight planes below decks but that's why we have deckparks.

As with historical CVEs, airplane growth would probably make it difficult to really utilize front-line models for more than a few years - something the Union is already cognizant of as a result of building its first tiny carrier back in the 1920s.  So I'm probably not building any.  But they are interesting to sim and I could crank a bunch out in 14 months if there was a need for it.



Enter ship name, Enter country Enter ship type laid down 1939

Displacement:
   4,613 t light; 4,777 t standard; 5,691 t normal; 6,421 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (489.75 ft / 462.60 ft) x 65.62 ft x (13.12 / 14.36 ft)
   (149.28 m / 141.00 m) x 20.00 m  x (4.00 / 4.38 m)

Armament:
      2 - 3.94" / 100 mm 45.0 cal guns - 30.78lbs / 13.96kg shells, 400 per gun
     Dual purpose guns in deck mounts, 1939 Model
     2 x Single mounts on sides, aft deck centre
      8 - 1.97" / 50.0 mm 60.0 cal guns - 4.19lbs / 1.90kg shells, 1,500 per gun
     Anti-air guns in deck mounts, 1939 Model
     4 x Twin mounts on sides, evenly spread
      8 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 4,000 per gun
     Machine guns in deck mounts, 1939 Model
     8 x Single mounts on sides, evenly spread
      Weight of broadside 99 lbs / 45 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm   0.12" / 3 mm            -
   2nd:   0.59" / 15 mm         -               -
   3rd:   0.59" / 15 mm         -               -

   - Box over magazines:
   1.97" / 50 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 33,511 shp / 25,000 Kw = 27.25 kts
   Range 10,000nm at 15.00 kts
   Bunker at max displacement = 1,644 tons

Complement:
   326 - 425

Cost:
   £1.713 million / $6.854 million

Distribution of weights at normal displacement:
   Armament: 22 tons, 0.4 %
      - Guns: 22 tons, 0.4 %
   Armour: 59 tons, 1.0 %
      - Armament: 9 tons, 0.2 %
      - Armour Deck: 50 tons, 0.9 %
   Machinery: 907 tons, 15.9 %
   Hull, fittings & equipment: 2,133 tons, 37.5 %
   Fuel, ammunition & stores: 1,078 tons, 18.9 %
   Miscellaneous weights: 1,492 tons, 26.2 %
      - Hull below water: 570 tons
      - Hull above water: 570 tons
      - On freeboard deck: 102 tons
      - Above deck: 250 tons

Fittings:
-570 t + 570 t:  12 post-1933 aircraft (BW/AW)
-25 t:  Catapult (FD)
-3 t:  Fire control (AD)
-25 t:  L/R wireless (AD)
-10 t:  Extra S/R wireless (AD)
-25 t:  Fitted for air-search radar (AD)
-10 t:  Night-fighting doodads (AD)
-100 t:  Flight ops (AD)
-77 t + 77 t:  Weight reserve (FD/AD)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     13,002 lbs / 5,898 Kg = 426.1 x 3.9 " / 100 mm shells or 2.1 torpedoes
   Stability (Unstable if below 1.00): 1.32
   Metacentric height 4.3 ft / 1.3 m
   Roll period: 13.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 90 %
         - Recoil effect (Restricted arc if above 1.00): 0.02
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and small transom stern
   Block coefficient (normal/deep): 0.500 / 0.516
   Length to Beam Ratio: 7.05 : 1
   'Natural speed' for length: 23.47 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 45
   Bow angle (Positive = bow angles forward): 20.00 degrees
   Stern overhang: 16.40 ft / 5.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   25.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Forward deck:   40.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Aft deck:   25.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Quarter deck:   10.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Average freeboard:      29.53 ft / 9.00 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 76.1 %
      - Above water (accommodation/working, high = better): 357.3 %
   Waterplane Area: 20,709 Square feet or 1,924 Square metres
   Displacement factor (Displacement / loading): 166 %
   Structure weight / hull surface area: 58 lbs/sq ft or 283 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.61
      - Longitudinal: 4.20
      - Overall: 0.75
   Caution: Hull subject to strain in open-sea
   Excellent machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Super tiny escort carrierfor convoy duty

Airgroup by weight is 12 planes, by waterplane area is 24

[TacCovert4]

Looking at it, I wonder what you could do with the same general specs for speed, but 6000t.  That would be the top of .75 capability, but I think you could get the air group up to 15 or 16, a better hangar, a longer flight deck for heavier aircraft, and even a bit more firepower. 

That being said, I also eschewed the small escort carrier in favor of something nearly as large as my first purpose-built carrier.  So I get why you wouldn't.  I might experiment with a tiny carrier later, purely to put up a couple of ASW birds and then fighters to cover my capital ships and other slower forces.  But I agree with you that utility of 12 aircraft is VERY limited, especially in the 30s/40s.

[Jefgte]

Looking at it, I wonder what you could do with the same general specs for speed, but 6000t...

Byzantium has 4 x 7900t CVE - 1929 - 174m - 27kts - 18 aircraft assigned to colonies.
Building 6000t CVE seems interesting to increase protection for colonial fleets.

[The Rock Doctor]

Yeah, a 5,999 t ship would get me 16 planes, a narrow TDS, a modest box over the important bits, and the same speed.  Which is pretty useful if I need it right away, but the hull is only about ten metres longer than the 4,600 t ship because I'm adding to beam and draft.

I imagine I'll stick to building fleet carriers and let my initial generation of smaller carriers do small carrier things.

[The Rock Doctor]

Kind of a hybrid CVE/oiler here.  Oiler speeds, minimal protection, some unrep gear.  But also 16 planes, decent AA, and facilities to command an escort group. 

I'm attempting to sketch it with a hurricane bow, so would be curious how that looks in the sketch.


Enter ship name, Enter country Enter ship type laid down 1939

Displacement:
    5,993 t light; 6,222 t standard; 7,519 t normal; 8,556 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
    (525.84 ft / 495.41 ft) x 68.90 ft x (15.42 / 17.02 ft)
    (160.28 m / 151.00 m) x 21.00 m  x (4.70 / 5.19 m)

Armament:
      4 - 3.94" / 100 mm 45.0 cal guns - 30.78lbs / 13.96kg shells, 400 per gun
      Dual purpose guns in deck mounts, 1939 Model
      2 x Twin mounts on sides, aft deck centre
      12 - 1.97" / 50.0 mm 60.0 cal guns - 4.19lbs / 1.90kg shells, 1,500 per gun
      Anti-air guns in deck mounts, 1939 Model
      6 x Twin mounts on sides, evenly spread
      8 - 0.98" / 25.0 mm 70.0 cal guns - 0.53lbs / 0.24kg shells, 4,000 per gun
      Machine guns in deck mounts, 1939 Model
      8 x Single mounts on sides, evenly spread
      Weight of broadside 178 lbs / 81 kg

Armour:
  - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    0.59" / 15 mm    0.12" / 3 mm              -
    2nd:    0.59" / 15 mm          -                  -
    3rd:    0.59" / 15 mm          -                  -

  - Box over machinery & magazines:
    1.97" / 50 mm

Machinery:
    Oil fired boilers, steam turbines,
    Geared drive, 2 shafts, 9,384 shp / 7,000 Kw = 18.35 kts
    Range 13,000nm at 15.00 kts
    Bunker at max displacement = 2,334 tons

Complement:
    403 - 524

Cost:
    £1.487 million / $5.950 million

Distribution of weights at normal displacement:
    Armament: 33 tons, 0.4 %
      - Guns: 33 tons, 0.4 %
    Armour: 168 tons, 2.2 %
      - Armament: 10 tons, 0.1 %
      - Armour Deck: 159 tons, 2.1 %
    Machinery: 254 tons, 3.4 %
    Hull, fittings & equipment: 2,410 tons, 32.1 %
    Fuel, ammunition & stores: 1,526 tons, 20.3 %
    Miscellaneous weights: 3,128 tons, 41.6 %
      - Hull below water: 760 tons
      - Hull void weights: 1,100 tons
      - Hull above water: 860 tons
      - On freeboard deck: 158 tons
      - Above deck: 250 tons

Fittings:
-1,100 t:  Fuel oil (Void, but would be BW)
-760t + 760 t:  16 post-1933 aircraft (BW/AW)
-100 t:  Unrep gear (AW)
-50 t:  2 catapults (FD)
-250 t:  Huelsmeyer device(s), nightfighting doodads, wireless, command facilities, flight ops, etc (AD)
-108 t:  Weight reserve at freeboard deck.  Might be some above deck

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      30,713 lbs / 13,931 Kg = 1,006.6 x 3.9 " / 100 mm shells or 5.3 torpedoes
    Stability (Unstable if below 1.00): 1.38
    Metacentric height 5.0 ft / 1.5 m
    Roll period: 12.9 seconds
    Steadiness    - As gun platform (Average = 50 %): 90 %
            - Recoil effect (Restricted arc if above 1.00): 0.03
    Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
    Hull has a flush deck,
      a normal bow and a cruiser stern
    Block coefficient (normal/deep): 0.500 / 0.516
    Length to Beam Ratio: 7.19 : 1
    'Natural speed' for length: 22.26 kts
    Power going to wave formation at top speed: 34 %
    Trim (Max stability = 0, Max steadiness = 100): 45
    Bow angle (Positive = bow angles forward): 20.00 degrees
    Stern overhang: 19.69 ft / 6.00 m
    Freeboard (% = length of deck as a percentage of waterline length):
                Fore end,    Aft end
      - Forecastle:    23.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Forward deck:    40.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Aft deck:    27.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Quarter deck:    10.00 %,  29.53 ft / 9.00 m,  29.53 ft / 9.00 m
      - Average freeboard:        29.53 ft / 9.00 m

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 38.1 %
        - Above water (accommodation/working, high = better): 317.4 %
    Waterplane Area: 22,742 Square feet or 2,113 Square metres
    Displacement factor (Displacement / loading): 193 %
    Structure weight / hull surface area: 60 lbs/sq ft or 294 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 0.63
        - Longitudinal: 3.19
        - Overall: 0.75
    Caution: Hull subject to strain in open-sea
    Excellent machinery, storage, compartmentation space
    Excellent accommodation and workspace room
    Ship has slow, easy roll, a good, steady gun platform
    Excellent seaboat, comfortable, can fire her guns in the heaviest weather