North Atlantic cruiser

[Borys]

Ahoj!
Any good?
Borys

Enter ship name, Enter country Enter ship type laid down 1909

Displacement:
   7 513 t light; 7 875 t standard; 9 287 t normal; 10 418 t full load

Dimensions: Length overall / water x beam x draught
   450,00 ft / 450,00 ft x 63,00 ft x 21,00 ft (normal load)
   137,16 m / 137,16 m x 19,20 m  x 6,40 m

Armament:
      4 - 8,00" / 203 mm guns (2x2 guns), 250,00lbs / 113,40kg shells, 1909 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      8 - 6,00" / 152 mm guns in single mounts, 108,00lbs / 48,99kg shells, 1909 Model
     Breech loading guns in casemate mounts
     on side, all amidships
      6 - 3,00" / 76,2 mm guns in single mounts, 13,50lbs / 6,12kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 945 lbs / 882 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:   6,00" / 152 mm   270,00 ft / 82,30 m   12,00 ft / 3,66 m
   Ends:   3,00" / 76 mm   180,00 ft / 54,86 m   12,00 ft / 3,66 m
     Main Belt covers 92% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   8,00" / 203 mm   5,00" / 127 mm      7,00" / 178 mm
   2nd:   4,00" / 102 mm   4,00" / 102 mm      1,00" / 25 mm

   - Armour deck: 1,50" / 38 mm, Conning tower: 8,00" / 203 mm

Machinery:
   Coal fired boilers, steam turbines,
   Direct drive, 3 shafts, 35 619 shp / 26 572 Kw = 25,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 2 543 tons (100% coal)

Complement:
   472 - 614

Cost:
   £0,719 million / $2,876 million

Distribution of weights at normal displacement:
   Armament: 246 tons, 2,7%
   Armour: 2 174 tons, 23,4%
      - Belts: 1 092 tons, 11,8%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 459 tons, 4,9%
      - Armour Deck: 547 tons, 5,9%
      - Conning Tower: 76 tons, 0,8%
   Machinery: 1 781 tons, 19,2%
   Hull, fittings & equipment: 3 062 tons, 33,0%
   Fuel, ammunition & stores: 1 775 tons, 19,1%
   Miscellaneous weights: 250 tons, 2,7%

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     11 904 lbs / 5 400 Kg = 46,5 x 8,0 " / 203 mm shells or 1,7 torpedoes
   Stability (Unstable if below 1.00): 1,20
   Metacentric height 3,5 ft / 1,1 m
   Roll period: 14,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,35
   Seaboat quality  (Average = 1.00): 1,25

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0,546
   Length to Beam Ratio: 7,14 : 1
   'Natural speed' for length: 21,21 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      26,00 ft / 7,92 m
      - Forecastle (20%):   23,00 ft / 7,01 m
      - Mid (50%):      23,00 ft / 7,01 m (15,06 ft / 4,59 m aft of break)
      - Quarterdeck (15%):   15,06 ft / 4,59 m
      - Stern:      15,06 ft / 4,59 m
      - Average freeboard:   19,27 ft / 5,87 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 90,9%
      - Above water (accommodation/working, high = better): 148,9%
   Waterplane Area: 19 711 Square feet or 1 831 Square metres
   Displacement factor (Displacement / loading): 117%
   Structure weight / hull surface area: 100 lbs/sq ft or 488 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,93
      - Longitudinal: 1,92
      - 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
   Good seaboat, rides out heavy weather easily

[The Rock Doctor]

Other than the armament, I like her.  I don't see the virtues of mixing 6" and 8", though, especially, if she's going to be out in the North Atlantic with all that crappy weather.  Can you replace the six-inchers with a third 8" turret instead?

[Korpen]

Ahoj!
Any good?
Borys

Enter ship name, Enter country Enter ship type laid down 1909

Displacement:
   7 513 t light; 7 875 t standard; 9 287 t normal; 10 418 t full load

Dimensions: Length overall / water x beam x draught
   450,00 ft / 450,00 ft x 63,00 ft x 21,00 ft (normal load)
   137,16 m / 137,16 m x 19,20 m  x 6,40 m

Armament:
      4 - 8,00" / 203 mm guns (2x2 guns), 250,00lbs / 113,40kg shells, 1909 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      8 - 6,00" / 152 mm guns in single mounts, 108,00lbs / 48,99kg shells, 1909 Model
     Breech loading guns in casemate mounts
     on side, all amidships
      6 - 3,00" / 76,2 mm guns in single mounts, 13,50lbs / 6,12kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 945 lbs / 882 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:   6,00" / 152 mm   270,00 ft / 82,30 m   12,00 ft / 3,66 m
   Ends:   3,00" / 76 mm   180,00 ft / 54,86 m   12,00 ft / 3,66 m
     Main Belt covers 92% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   8,00" / 203 mm   5,00" / 127 mm      7,00" / 178 mm
   2nd:   4,00" / 102 mm   4,00" / 102 mm      1,00" / 25 mm

   - Armour deck: 1,50" / 38 mm, Conning tower: 8,00" / 203 mm

Machinery:
   Coal fired boilers, steam turbines,
   Direct drive, 3 shafts, 35 619 shp / 26 572 Kw = 25,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 2 543 tons (100% coal)

Complement:
   472 - 614

Cost:
   £0,719 million / $2,876 million

Distribution of weights at normal displacement:
   Armament: 246 tons, 2,7%
   Armour: 2 174 tons, 23,4%
      - Belts: 1 092 tons, 11,8%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 459 tons, 4,9%
      - Armour Deck: 547 tons, 5,9%
      - Conning Tower: 76 tons, 0,8%
   Machinery: 1 781 tons, 19,2%
   Hull, fittings & equipment: 3 062 tons, 33,0%
   Fuel, ammunition & stores: 1 775 tons, 19,1%
   Miscellaneous weights: 250 tons, 2,7

I quite like her. :)
But I agree with rocky to some extent, I question the worth of the 15cm guns on her, just 4 guns per side is note really quite enogh imo. But I think she would be top-notch with 12 12cm guns instead, they got enough range and power to be of use against enemy light cruisers, a rof high enough to be good against enemy DDs, and a weight low enough so that you can get 50% more of them then you could get 15cm guns. :)

[The Rock Doctor]

Korpen wants the 6" replaced with more 4.7", and I want them replaced with two 8".  Borys can't win!

[Borys]

Ahoj!
This is something I ran out when foolling around with the 1899 County class. To see if I could suggest somethign useful to Ledper.

The sweet side of 6 inchers versus 8 inchers is double or triple the ROF.

I still am not convinced about the utility of "hail of fire" of 60 lbs shells from 4,7-5 inch weapons. I prefer 100lbs shells, with their not much lower ROF.

I suppose the 3 inchers can be dumped, maybe leaving only two.

Tweaking the design a bit, 2 or 4 extra 6 inchers should be possible. ATM the guns are in weather deck casemattes. The extras could be added on an upper deck, in open mounts.

If somebody would prefer it this way, the twin 8 inchers with their 250lbs shells could be swapped for a single 10 incher, a 500 pounder.

ADDED LATER:
:)
Borys is headstrong and will plop more 6 inchers on her :D

Borys

[Korpen]

Borys is headstrong and will plop more 6 inchers on her :D

Borys

Well, the main problem Ihad with the 15cm guns was that there were too few of them, if you give her a broadside of at least six 15cm guns I think they will work out nicely.

[Borys]

Ahoj!
For this class, intended to operate out of Reykiavik or Thorhavn, encountering anything smaller than a cruiser (2500/3000 tonnes and larger) is unlikely. Thus not so many smaller guns. This time I went for my fantasy modified County class.

Borys

Enter ship name, Enter country Enter ship type laid down 1909

Displacement:
   7 558 t light; 7 915 t standard; 9 331 t normal; 10 464 t full load

Dimensions: Length overall / water x beam x draught
   450,00 ft / 450,00 ft x 64,00 ft x 21,00 ft (normal load)
   137,16 m / 137,16 m x 19,51 m  x 6,40 m

Armament:
      6 - 7,50" / 191 mm guns in single mounts, 200,00lbs / 90,72kg shells, 1909 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      4 - 6,00" / 152 mm guns in single mounts, 100,00lbs / 45,36kg shells, 1909 Model
     Breech loading guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
      2 - 3,00" / 76,2 mm guns in single mounts, 13,50lbs / 6,12kg shells, 1909 Model
     Breech loading guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 627 lbs / 738 kg
   Shells per gun, main battery: 180
   4 - 18,0" / 457,2 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6,00" / 152 mm   260,00 ft / 79,25 m   12,00 ft / 3,66 m
   Ends:   3,00" / 76 mm   190,00 ft / 57,91 m   12,00 ft / 3,66 m
     Main Belt covers 89% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7,00" / 178 mm   4,00" / 102 mm      6,00" / 152 mm
   2nd:   1,00" / 25 mm         -               -

   - Armour deck: 1,50" / 38 mm, Conning tower: 8,00" / 203 mm

Machinery:
   Coal fired boilers, steam turbines,
   Direct drive, 3 shafts, 35 712 shp / 26 641 Kw = 25,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 2 549 tons (100% coal)

Complement:
   474 - 617

Cost:
   £0,696 million / $2,782 million

Distribution of weights at normal displacement:
   Armament: 216 tons, 2,3%
   Armour: 2 212 tons, 23,7%
      - Belts: 1 082 tons, 11,6%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 501 tons, 5,4%
      - Armour Deck: 553 tons, 5,9%
      - Conning Tower: 76 tons, 0,8%
   Machinery: 1 786 tons, 19,1%
   Hull, fittings & equipment: 3 095 tons, 33,2%
   Fuel, ammunition & stores: 1 773 tons, 19,0%
   Miscellaneous weights: 250 tons, 2,7%

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     12 391 lbs / 5 621 Kg = 58,7 x 7,5 " / 191 mm shells or 1,8 torpedoes
   Stability (Unstable if below 1.00): 1,16
   Metacentric height 3,4 ft / 1,0 m
   Roll period: 14,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,35
   Seaboat quality  (Average = 1.00): 1,26

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,540
   Length to Beam Ratio: 7,03 : 1
   'Natural speed' for length: 21,21 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      28,00 ft / 8,53 m
      - Forecastle (20%):   23,00 ft / 7,01 m
      - Mid (25%):      23,00 ft / 7,01 m
      - Quarterdeck (15%):   15,00 ft / 4,57 m
      - Stern:      15,00 ft / 4,57 m
      - Average freeboard:   19,80 ft / 6,04 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 88,1%
      - Above water (accommodation/working, high = better): 154,5%
   Waterplane Area: 19 912 Square feet or 1 850 Square metres
   Displacement factor (Displacement / loading): 120%
   Structure weight / hull surface area: 100 lbs/sq ft or 488 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,93
      - Longitudinal: 1,92
      - 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
   Good seaboat, rides out heavy weather easily

[Tanthalas]

lol Borys that looks startlingly similar to my 1909 class scout cruiser... Now get her to go fast ^.^

[Korpen]

Armament:
      6 - 7,50" / 191 mm guns in single mounts, 200,00lbs / 90,72kg shells, 1909 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      4 - 6,00" / 152 mm guns in single mounts, 100,00lbs / 45,36kg shells, 1909 Model
     Breech loading guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
      2 - 3,00" / 76,2 mm guns in single mounts, 13,50lbs / 6,12kg shells, 1909 Model
     Breech loading guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 627 lbs / 738 kg
   Shells per gun, main battery: 180
   4 - 18,0" / 457,2 mm submerged torpedo tubes

Main guns in single mounts?
And too few secondaries!

[Borys]

http://www.worldwar1.co.uk/armoured-cruiser/hms-devonshire.html

http://en.wikipedia.org/wiki/Devonshire_class_cruiser_%281903%29



I took this class to its logical conlusion - the first batch (Monmouth) had 6 inch twins at the ends, the 2nd batch had the end turrets replaced with single  7,5 inchers. Such single turrets also replaced the front two-storey 6 inch casemattes. So here I repalced the aft storied casemattes too.
The line drawings will explain everything.


Borys

[ledeper]

Enter ship name, Enter country Enter ship type laid down 1909

Displacement:
   7 558 t light; 7 915 t standard; 9 331 t normal; 10 464 t full load

Dimensions: Length overall / water x beam x draught
   450,00 ft / 450,00 ft x 64,00 ft x 21,00 ft (normal load)
   137,16 m / 137,16 m x 19,51 m  x 6,40 m

Armament:
      6 - 7,50" / 191 mm guns in single mounts, 200,00lbs / 90,72kg shells, 1909 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      4 - 6,00" / 152 mm guns in single mounts, 100,00lbs / 45,36kg shells, 1909 Model
     Breech loading guns in deck mounts
     on side, all amidships, all raised mounts - superfiring
      2 - 3,00" / 76,2 mm guns in single mounts, 13,50lbs / 6,12kg shells, 1909 Model
     Breech loading guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 627 lbs / 738 kg
   Shells per gun, main battery: 180
   4 - 18,0" / 457,2 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6,00" / 152 mm   260,00 ft / 79,25 m   12,00 ft / 3,66 m
   Ends:   3,00" / 76 mm   190,00 ft / 57,91 m   12,00 ft / 3,66 m
     Main Belt covers 89% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7,00" / 178 mm   4,00" / 102 mm      6,00" / 152 mm
   2nd:   1,00" / 25 mm         -               -

   - Armour deck: 1,50" / 38 mm, Conning tower: 8,00" / 203 mm

Machinery:
   Coal fired boilers, steam turbines,
   Direct drive, 3 shafts, 35 712 shp / 26 641 Kw = 25,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 2 549 tons (100% coal)

Complement:
   474 - 617

Cost:
   £0,696 million / $2,782 million

Distribution of weights at normal displacement:
   Armament: 216 tons, 2,3%
   Armour: 2 212 tons, 23,7%
      - Belts: 1 082 tons, 11,6%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 501 tons, 5,4%
      - Armour Deck: 553 tons, 5,9%
      - Conning Tower: 76 tons, 0,8%
   Machinery: 1 786 tons, 19,1%
   Hull, fittings & equipment: 3 095 tons, 33,2%
   Fuel, ammunition & stores: 1 773 tons, 19,0%
   Miscellaneous weights: 250 tons, 2,7%

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     12 391 lbs / 5 621 Kg = 58,7 x 7,5 " / 191 mm shells or 1,8 torpedoes
   Stability (Unstable if below 1.00): 1,16
   Metacentric height 3,4 ft / 1,0 m
   Roll period: 14,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,35
   Seaboat quality  (Average = 1.00): 1,26

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,540
   Length to Beam Ratio: 7,03 : 1
   'Natural speed' for length: 21,21 kts
   Power going to wave formation at top speed: 57 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      28,00 ft / 8,53 m
      - Forecastle (20%):   23,00 ft / 7,01 m
      - Mid (25%):      23,00 ft / 7,01 m
      - Quarterdeck (15%):   15,00 ft / 4,57 m
      - Stern:      15,00 ft / 4,57 m
      - Average freeboard:   19,80 ft / 6,04 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 88,1%
      - Above water (accommodation/working, high = better): 154,5%
   Waterplane Area: 19 912 Square feet or 1 850 Square metres
   Displacement factor (Displacement / loading): 120%
   Structure weight / hull surface area: 100 lbs/sq ft or 488 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,93
      - Longitudinal: 1,92
      - 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
   Good seaboat, rides out heavy weather easily



It´s nice I like it ,very suitable ;)

[Borys]

Ahoj!
Happy that you like it.
Check existing Baltikum designs for 7,5 inch gun. If none - devlope the gun or buy license from me :)

Borys

[The Rock Doctor]

For giggles:  an alternative, I suppose, to the colonial cruiser I posted a little while back.  I'd want to sketch it out to be sure it all fits - but if it does, the notion of getting this into a class one slip/drydock is appealing for logistical reasons.

Enter ship name, Enter country Enter ship type laid down 1909

Displacement:
   6,339 t light; 6,626 t standard; 7,624 t normal; 8,422 t full load

Dimensions: Length overall / water x beam x draught
   393.70 ft / 393.70 ft x 59.06 ft x 20.87 ft (normal load)
   120.00 m / 120.00 m x 18.00 m  x 6.36 m

Armament:
      6 - 7.64" / 194 mm guns (3x2 guns), 222.78lbs / 101.05kg shells, 1909 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, majority aft, 1 raised mount aft - superfiring
      1 - 3.94" / 100 mm guns in single mounts, 30.51lbs / 13.84kg shells, 1909 Model
     Breech loading gun in deck mount
     on centreline aft, 1 raised gun
      6 - 3.94" / 100 mm guns in single mounts, 30.51lbs / 13.84kg shells, 1909 Model
     Breech loading guns in casemate mounts
     on side, evenly spread
      2 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, evenly spread, all raised mounts
      4 - 0.31" / 8.0 mm guns in single mounts, 0.02lbs / 0.01kg shells, 1909 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1,557 lbs / 706 kg
   Shells per gun, main battery: 150
   4 - 17.7" / 450 mm above water torpedoes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   5.12" / 130 mm   255.91 ft / 78.00 m   10.50 ft / 3.20 m
   Ends:   1.97" / 50 mm   137.76 ft / 41.99 m   10.50 ft / 3.20 m
     Main Belt covers 100 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   5.12" / 130 mm   2.95" / 75 mm      5.12" / 130 mm
   2nd:   1.97" / 50 mm         -               -
   3rd:   0.98" / 25 mm         -               -
   4th:   0.98" / 25 mm         -               -

   - Armour deck: 1.57" / 40 mm, Conning tower: 5.12" / 130 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 3 shafts, 36,000 shp / 26,856 Kw = 25.37 kts
   Range 10,000nm at 10.00 kts (Bunkerage = 1,795 tons)

Complement:
   407 - 530

Cost:
   £0.635 million / $2.539 million

Distribution of weights at normal displacement:
   Armament: 195 tons, 2.6 %
   Armour: 1,563 tons, 20.5 %
      - Belts: 702 tons, 9.2 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 345 tons, 4.5 %
      - Armour Deck: 473 tons, 6.2 %
      - Conning Tower: 43 tons, 0.6 %
   Machinery: 1,782 tons, 23.4 %
   Hull, fittings & equipment: 2,646 tons, 34.7 %
   Fuel, ammunition & stores: 1,285 tons, 16.8 %
   Miscellaneous weights: 154 tons, 2.0 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9,303 lbs / 4,220 Kg = 41.8 x 7.6 " / 194 mm shells or 1.4 torpedoes
   Stability (Unstable if below 1.00): 1.13
   Metacentric height 2.9 ft / 0.9 m
   Roll period: 14.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 60 %
         - Recoil effect (Restricted arc if above 1.00): 0.50
   Seaboat quality  (Average = 1.00): 1.14

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.550
   Length to Beam Ratio: 6.67 : 1
   'Natural speed' for length: 19.84 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 53
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      26.25 ft / 8.00 m
      - Forecastle (20 %):   21.98 ft / 6.70 m
      - Mid (75 %):      21.98 ft / 6.70 m (14.11 ft / 4.30 m aft of break)
      - Quarterdeck (15 %):   14.11 ft / 4.30 m
      - Stern:      14.11 ft / 4.30 m
      - Average freeboard:   20.35 ft / 6.20 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 98.1 %
      - Above water (accommodation/working, high = better): 144.4 %
   Waterplane Area: 16,226 Square feet or 1,507 Square metres
   Displacement factor (Displacement / loading): 111 %
   Structure weight / hull surface area: 100 lbs/sq ft or 486 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.89
      - Longitudinal: 2.80
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent

[Borys]

Ahoj!
Rock - IMO a bit too lightly armoured, and the seakeeping is nothing exceptional.
Borys

[Korpen]

Ahoj!
Rock - IMO a bit too lightly armoured, and the seakeeping is nothing exceptional.
Borys

But she got a nice high freeboard, so she should work pretty well in high seas.