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1

Saturday, August 29th 2015, 7:40pm

Experimenting with Springsharp

Well after MANY attempts on learning how springsharp works and not letting my mind go to other places managed to do some ships, comments are appreciated. Here is the first.

Lima, Peruvian Battle Cruiser laid down 1943

Displacement:
31,590 t light; 33,028 t standard; 34,906 t normal; 36,408 t full load

Dimensions: Length overall / water x beam x draught
787.40 ft / 787.40 ft x 91.86 ft x 29.53 ft (normal load)
240.00 m / 240.00 m x 28.00 m x 9.00 m

Armament:
12 - 11.14" / 283 mm guns (4x3 guns), 691.56lbs / 313.69kg shells, 1943 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
8 - 4.72" / 120 mm guns (4x2 guns), 52.72lbs / 23.92kg shells, 1943 Model
Dual purpose guns in turrets (on barbettes)
on side ends, evenly spread
16 - 1.57" / 40.0 mm guns (4x4 guns), 1.95lbs / 0.89kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
32 - 0.79" / 20.0 mm guns (8x4 guns), 0.24lbs / 0.11kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 8,760 lbs / 3,973 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.87" / 200 mm 511.81 ft / 156.00 m 11.52 ft / 3.51 m
Ends: Unarmoured
Upper: 2.36" / 60 mm 511.81 ft / 156.00 m 8.01 ft / 2.44 m
Main Belt covers 100 % of normal length

- Torpedo Bulkhead:
2.17" / 55 mm 511.81 ft / 156.00 m 27.46 ft / 8.37 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.84" / 250 mm - 9.84" / 250 mm
2nd: 4.13" / 105 mm - 4.13" / 105 mm
3rd: 0.79" / 20 mm - -
4th: 0.59" / 15 mm - -

- Armour deck: 3.94" / 100 mm, Conning tower: 3.15" / 80 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 171,915 shp / 128,248 Kw = 32.00 kts
Range 12,000nm at 12.00 kts
Bunker at max displacement = 3,380 tons

Complement:
1,276 - 1,659

Cost:
£17.326 million / $69.303 million

Distribution of weights at normal displacement:
Armament: 1,095 tons, 3.1 %
Armour: 9,249 tons, 26.5 %
- Belts: 2,376 tons, 6.8 %
- Torpedo bulkhead: 1,126 tons, 3.2 %
- Armament: 1,921 tons, 5.5 %
- Armour Deck: 3,753 tons, 10.8 %
- Conning Tower: 72 tons, 0.2 %
Machinery: 4,440 tons, 12.7 %
Hull, fittings & equipment: 16,806 tons, 48.1 %
Fuel, ammunition & stores: 3,316 tons, 9.5 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
52,258 lbs / 23,704 Kg = 75.6 x 11.1 " / 283 mm shells or 8.1 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 6.0 ft / 1.8 m
Roll period: 15.8 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.37
Seaboat quality (Average = 1.00): 0.97

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.572
Length to Beam Ratio: 8.57 : 1
'Natural speed' for length: 28.06 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 55
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: 30.87 ft / 9.41 m
- Forecastle (20 %): 19.65 ft / 5.99 m
- Mid (50 %): 19.65 ft / 5.99 m
- Quarterdeck (15 %): 19.65 ft / 5.99 m
- Stern: 19.65 ft / 5.99 m
- Average freeboard: 20.55 ft / 6.26 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.8 %
- Above water (accommodation/working, high = better): 151.2 %
Waterplane Area: 51,534 Square feet or 4,788 Square metres
Displacement factor (Displacement / loading): 130 %
Structure weight / hull surface area: 228 lbs/sq ft or 1,115 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.47
- Longitudinal: 1.44
- Overall: 1.45
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

2

Saturday, August 29th 2015, 7:42pm

Here is the second.

Carvajal, Peruvian Light Cruiser laid down 1948

Displacement:
14,447 t light; 14,896 t standard; 15,574 t normal; 16,116 t full load

Dimensions: Length overall / water x beam x draught
688.98 ft / 688.98 ft x 68.90 ft x 22.97 ft (normal load)
210.00 m / 210.00 m x 21.00 m x 7.00 m

Armament:
12 - 5.98" / 152 mm guns (4x3 guns), 107.15lbs / 48.60kg shells, 1948 Model
Dual purpose guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
16 - 2.99" / 76.0 mm guns (8x2 guns), 13.39lbs / 6.08kg shells, 1948 Model
Automatic rapid fire guns in deck mounts with hoists
on side, evenly spread
24 - 1.57" / 40.0 mm guns (6x4 guns), 1.95lbs / 0.89kg shells, 1948 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 1,547 lbs / 702 kg
Shells per gun, main battery: 150
6 - 25.6" / 650 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 447.83 ft / 136.50 m 9.48 ft / 2.89 m
Ends: Unarmoured
Upper: 2.76" / 70 mm 447.83 ft / 136.50 m 0.00 ft / 0.00 m
Main Belt covers 100 % of normal length

- Torpedo Bulkhead:
3.15" / 80 mm 447.83 ft / 136.50 m 20.14 ft / 6.14 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.72" / 120 mm - 4.72" / 120 mm
2nd: 2.17" / 55 mm - -
3rd: 0.79" / 20 mm - -

- Armour deck: 2.95" / 75 mm, Conning tower: 4.72" / 120 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 104,538 shp / 77,986 Kw = 32.00 kts
Range 7,100nm at 12.00 kts
Bunker at max displacement = 1,220 tons

Complement:
696 - 906

Cost:
£7.680 million / $30.720 million

Distribution of weights at normal displacement:
Armament: 199 tons, 1.3 %
Armour: 4,134 tons, 26.5 %
- Belts: 835 tons, 5.4 %
- Torpedo bulkhead: 1,051 tons, 6.8 %
- Armament: 457 tons, 2.9 %
- Armour Deck: 1,728 tons, 11.1 %
- Conning Tower: 63 tons, 0.4 %
Machinery: 2,555 tons, 16.4 %
Hull, fittings & equipment: 7,259 tons, 46.6 %
Fuel, ammunition & stores: 1,127 tons, 7.2 %
Miscellaneous weights: 300 tons, 1.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
26,666 lbs / 12,095 Kg = 248.9 x 6.0 " / 152 mm shells or 4.7 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 4.0 ft / 1.2 m
Roll period: 14.4 seconds
Steadiness - As gun platform (Average = 50 %): 55 %
- Recoil effect (Restricted arc if above 1.00): 0.21
Seaboat quality (Average = 1.00): 1.10

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.500
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 26.25 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 28.87 ft / 8.80 m
- Forecastle (20 %): 18.37 ft / 5.60 m
- Mid (50 %): 18.37 ft / 5.60 m
- Quarterdeck (15 %): 18.37 ft / 5.60 m
- Stern: 18.37 ft / 5.60 m
- Average freeboard: 19.21 ft / 5.86 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.2 %
- Above water (accommodation/working, high = better): 138.5 %
Waterplane Area: 31,627 Square feet or 2,938 Square metres
Displacement factor (Displacement / loading): 140 %
Structure weight / hull surface area: 150 lbs/sq ft or 730 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.37
- Longitudinal: 1.35
- Overall: 1.36
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent

3

Saturday, August 29th 2015, 7:44pm

And the last one.

Aurora Alpha Flight, Peruvian Fleet Aircraft Carrier laid down 1950

Displacement:
53,424 t light; 54,600 t standard; 58,786 t normal; 62,135 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(1,049.87 ft / 1,049.87 ft) x 114.83 ft x (29.53 / 30.88 ft)
(320.00 m / 320.00 m) x 35.00 m x (9.00 / 9.41 m)
16 - 4.72" / 120 mm 45.0 cal guns - 0.00lbs / 0.00kg shells, 150 per gun
Dual purpose guns in turret on barbette mounts, 1950 Model
8 x 2-gun mounts on side ends, evenly spread
12 - 2.95" / 75.0 mm 45.0 cal guns - 0.00lbs / 0.00kg shells, 200 per gun
Auto rapid fire guns in deck and hoist mounts, 1950 Model
6 x Twin mounts on sides, evenly spread
24 - 1.57" / 40.0 mm 45.0 cal guns - 0.00lbs / 0.00kg shells, 450 per gun
Anti-air guns in deck mounts, 1950 Model
6 x Quad mounts on sides, evenly spread
Weight of broadside 0 lbs / 0 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 650.43 ft / 198.25 m 12.86 ft / 3.92 m
Ends: Unarmoured
Main Belt covers 95 % of normal length

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

- Armoured deck - multiple decks:
For and Aft decks: 3.54" / 90 mm
Forecastle: 3.54" / 90 mm Quarter deck: 3.54" / 90 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 216,957 shp / 161,850 Kw = 32.00 kts
Range 20,000nm at 12.00 kts
Bunker at max displacement = 7,535 tons

Complement:
1,886 - 2,453

Cost:
£22.660 million / $90.641 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Armour: 7,450 tons, 12.7 %
- Belts: 1,659 tons, 2.8 %
- Armament: 84 tons, 0.1 %
- Armour Deck: 5,708 tons, 9.7 %
Machinery: 5,190 tons, 8.8 %
Hull, fittings & equipment: 24,284 tons, 41.3 %
Fuel, ammunition & stores: 5,362 tons, 9.1 %
Miscellaneous weights: 16,500 tons, 28.1 %
- Hull below water: 10,000 tons
- Hull above water: 6,000 tons
- On freeboard deck: 500 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
0 lbs / 0 Kg = NeuN x 4.7 " / 120 mm shells or 3.6 torpedoes
Stability (Unstable if below 1.00): 1.45
Metacentric height 11.6 ft / 3.5 m
Roll period: 14.1 seconds
Steadiness - As gun platform (Average = 50 %): 73 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.46

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.578 / 0.584
Length to Beam Ratio: 9.14 : 1
'Natural speed' for length: 32.40 kts
Power going to wave formation at top speed: 44 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m
- Forward deck: 30.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m
- Aft deck: 35.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m
- Quarter deck: 15.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m
- Average freeboard: 26.25 ft / 8.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 59.3 %
- Above water (accommodation/working, high = better): 229.0 %
Waterplane Area: 86,374 Square feet or 8,024 Square metres
Displacement factor (Displacement / loading): 171 %
Structure weight / hull surface area: 206 lbs/sq ft or 1,007 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.49
- Longitudinal: 0.99
- Overall: 1.10
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

Miscellaneous Weight Distribution:
125 Aircraft (16000 Tons)
Command and Operatioln Facilities (300 Tons)
Electronic Suite (200 Tons)

4

Saturday, August 29th 2015, 8:01pm

Very good for your first time. Just a few things:

1) The battleship needs half of the Main Battery superfiring, much of the Light AA Battery also need to be raised.
2) Seakeeping on the battleship is poor, might want to try and fix that.
3) Personally I would give the battleship some miscellaneous weight

You managed to get a TDS on the light cruiser but kept full belt protection, that isn't easy!

5

Saturday, August 29th 2015, 8:45pm

Very good for your first time. Just a few things:

1) The battleship needs half of the Main Battery superfiring, much of the Light AA Battery also need to be raised.
2) Seakeeping on the battleship is poor, might want to try and fix that.
3) Personally I would give the battleship some miscellaneous weight

You managed to get a TDS on the light cruiser but kept full belt protection, that isn't easy!
Ok thanks, also what is TDS?

6

Saturday, August 29th 2015, 10:10pm

Torpedo Defense System, aka the Torpedo bulkhead.

You also have quite a bit of excess hull strength, an indicator that your ships are either too large for the intended fit, or underarmed for your intended tonnage.

7

Sunday, August 30th 2015, 1:53am

I agree with the points brought up by the others. I would add a few more secondary turrets on the Battlecruiser. Two twins on each side isn't much. I would probably increase speed and armor a bit with the hullstrength left after raising two main gun turrets and trying to keep seakeeping above 1.

I think I might have mentioned it quite a while ago here, but IIRC in my book on the Scharnhorst class it was mentioned that the TBH had to be angled in order to be effective due to the narrow beam. Regardless of what SS says, I don't think that in reality the TBH would work on the 21m beam of that cruiser so it would be better to discard it. Looking around a bit, I mentioned it here and quoted the bit from the book...

http://wesworld.jk-clan.de/index.php?pag…D=4531#post4531

It is interesting that you used SS2 for the first two and then switched to SS3 with the carrier. Looking at the placement of the miscellaneous weights that tells me you probably did that because of stability issues in SS2 with all that weight. One problem with it is that none of the guns have a shell weight. Another thing I am seeing is that the Cross-sectional hull strength is higher than the Longitudinal. With almost all of my sims, it is the other way around or they are roughly equal to each other. You could raise the freeboard somewhat to gain some more hull strength which you could use on armor or speed or fuel or miscellaneous weights...

8

Sunday, August 30th 2015, 3:50am

I agree with the points brought up by the others. I would add a few more secondary turrets on the Battlecruiser. Two twins on each side isn't much. I would probably increase speed and armor a bit with the hullstrength left after raising two main gun turrets and trying to keep seakeeping above 1.

Thanks for the help.

Quoted

I think I might have mentioned it quite a while ago here, but IIRC in my book on the Scharnhorst class it was mentioned that the TBH had to be angled in order to be effective due to the narrow beam. Regardless of what SS says, I don't think that in reality the TBH would work on the 21m beam of that cruiser so it would be better to discard it. Looking around a bit, I mentioned it here and quoted the bit from the book...

http://wesworld.jk-clan.de/index.php?pag…D=4531#post4531

Interesting! Thanks!


Quoted

It is interesting that you used SS2 for the first two and then switched to SS3 with the carrier.


Did it because the SS3 gave more options and felt more sure after using SS2 for a bit.

Quoted

Looking at the placement of the miscellaneous weights that tells me you probably did that because of stability issues in SS2 with all that weight. One problem with it is that none of the guns have a shell weight.

... *facepalm*

How I didn't noticed that I will never know, thanks for the heads-up.

Quoted

Another thing I am seeing is that the Cross-sectional hull strength is higher than the Longitudinal. With almost all of my sims, it is the other way around or they are roughly equal to each other. You could raise the freeboard somewhat to gain some more hull strength which you could use on armor or speed or fuel or miscellaneous weights...


Thanks.

9

Saturday, April 11th 2020, 6:58am

Because I have no self control and have lots of time

Aguirre, Peruvian "Light" Cruiser laid down 1950

Displacement:
14,717 t light; 15,341 t standard; 16,464 t normal; 17,362 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(696.89 ft / 688.98 ft) x 65.62 ft x (22.97 / 23.96 ft)
(212.41 m / 210.00 m) x 20.00 m x (7.00 / 7.30 m)

Armament:
15 - 5.98" / 152 mm 53.0 cal guns - 114.86lbs / 52.10kg shells, 150 per gun
Auto rapid fire guns in turret on barbette mounts, 1950 Model
4 x 3-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
1 x 3-gun mount on centreline forward
1 double raised mount
12 - 4.72" / 120 mm 50.0 cal guns - 55.82lbs / 25.32kg shells, 300 per gun
Auto rapid fire guns in turret on barbette mounts, 1950 Model
4 x Twin mounts on sides, forward deck aft
2 x Twin mounts on sides, aft deck forward
16 - 2.24" / 57.0 mm 60.0 cal guns - 6.19lbs / 2.81kg shells, 500 per gun
Anti-air guns in deck mounts, 1950 Model
2 x Quad mounts on centreline, evenly spread
2 raised mounts
2 x Quad mounts on centreline, evenly spread
2 double raised mounts
16 - 1.57" / 40.0 mm 70.0 cal guns - 2.18lbs / 0.99kg shells, 600 per gun
Anti-air guns in deck mounts, 1950 Model
2 x Quad mounts on sides, aft deck aft
2 raised mounts
2 x Quad mounts on sides, forward deck forward
2 double raised mounts
Weight of broadside 2,527 lbs / 1,146 kg
Main Torpedoes
6 - 24.0" / 610 mm, 29.53 ft / 9.00 m torpedoes - 2.524 t each, 15.144 t total
In 2 sets of deck mounted side rotating tubes
Main DC/AS Mortars
16 - 440.92 lbs / 200.00 kg Depth Charges + 1 reloads - 3.346 t total
in Stern depth charge racks

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.98" / 152 mm 413.39 ft / 126.00 m 9.71 ft / 2.96 m
Ends: 2.99" / 76 mm 275.56 ft / 83.99 m 9.71 ft / 2.96 m
Main Belt covers 92 % of normal length

- Torpedo Bulkhead - Strengthened structural bulkheads:
2.99" / 76 mm 413.39 ft / 126.00 m 19.59 ft / 5.97 m
Beam between torpedo bulkheads 65.62 ft / 20.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.98" / 152 mm 4.02" / 102 mm 5.98" / 152 mm
2nd: 4.02" / 102 mm 2.99" / 76 mm 4.02" / 102 mm

- Armoured deck - single deck:
For and Aft decks: 2.99" / 76 mm
Forecastle: 2.99" / 76 mm Quarter deck: 2.99" / 76 mm

- Conning towers: Forward 5.98" / 152 mm, Aft 5.98" / 152 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 110,007 shp / 82,065 Kw = 32.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 2,021 tons

Complement:
726 - 944

Cost:
£9.045 million / $36.180 million

Distribution of weights at normal displacement:
Armament: 1,076 tons, 6.5 %
- Guns: 1,042 tons, 6.3 %
- Weapons: 34 tons, 0.2 %
Armour: 5,374 tons, 32.6 %
- Belts: 1,290 tons, 7.8 %
- Torpedo bulkhead: 896 tons, 5.4 %
- Armament: 1,252 tons, 7.6 %
- Armour Deck: 1,768 tons, 10.7 %
- Conning Towers: 167 tons, 1.0 %
Machinery: 2,632 tons, 16.0 %
Hull, fittings & equipment: 5,145 tons, 31.3 %
Fuel, ammunition & stores: 1,746 tons, 10.6 %
Miscellaneous weights: 490 tons, 3.0 %
- Hull below water: 25 tons
- Hull above water: 70 tons
- On freeboard deck: 320 tons
- Above deck: 75 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29,557 lbs / 13,407 Kg = 275.8 x 6.0 " / 152 mm shells or 2.3 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 2.8 ft / 0.9 m
Roll period: 16.4 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.65
Seaboat quality (Average = 1.00): 1.41

Hull form characteristics:
Hull has low quarterdeck ,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.555 / 0.561
Length to Beam Ratio: 10.50 : 1
'Natural speed' for length: 26.25 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 29.53 ft / 9.00 m, 26.25 ft / 8.00 m
- Forward deck: 30.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m
- Aft deck: 30.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m
- Quarter deck: 20.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Average freeboard: 25.20 ft / 7.68 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 69.1 %
- Above water (accommodation/working, high = better): 212.6 %
Waterplane Area: 31,699 Square feet or 2,945 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 122 lbs/sq ft or 598 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.62
- Overall: 1.01
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Good seaboat, rides out heavy weather easily

Miscellaneous Weight Distribution:

Electronic Suite - 55 Tons
-1 Air Search Radar
-1 Surface Search Radar
-2 Main Battery Fire Control Radars
-2 Secondary Battery Fire Control Radars
-1 Navigation Radar

Aviation Facilities - 300 Tons
-4 Floatpltanes
-2 Hangars and Maintenance Facility
-2 Catapult
-2 Heavy Crane

Flag Facilitites - 35 Tons
Enhanced Crew Comforts - 50 Tons
Enhanced Tropicalization - 50 Tons

===

Ferre, Peruvian Destroyer laid down 1950

Displacement:
4,089 t light; 4,261 t standard; 4,506 t normal; 4,703 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(480.15 ft / 475.72 ft) x 45.93 ft x (16.40 / 16.90 ft)
(146.35 m / 145.00 m) x 14.00 m x (5.00 / 5.15 m)

Armament:
8 - 4.72" / 120 mm 50.0 cal guns - 55.82lbs / 25.32kg shells, 200 per gun
Auto rapid fire guns in turret on barbette mounts, 1950 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 2.24" / 57.0 mm 60.0 cal guns - 6.19lbs / 2.81kg shells, 400 per gun
Anti-air guns in deck mounts, 1950 Model
2 x Quad mounts on sides forward
2 x Quad mounts on centreline, evenly spread
2 double raised mounts
16 - 1.57" / 40.0 mm 70.0 cal guns - 2.18lbs / 0.99kg shells, 500 per gun
Anti-air guns in deck mounts, 1950 Model
4 x Quad mounts on sides, evenly spread
4 raised mounts
Weight of broadside 581 lbs / 263 kg
Main Torpedoes
8 - 21.0" / 533 mm, 21.65 ft / 6.60 m torpedoes - 1.519 t each, 12.150 t total
In 1 sets of deck mounted centre rotating tubes
2nd Torpedoes
6 - 18.9" / 480 mm, 21.65 ft / 6.60 m torpedoes - 1.277 t each, 7.663 t total
In 1 sets of deck mounted side rotating tubes
Main DC/AS Mortars
12 - 132.28 lbs / 60.00 kg trainable AS Mortars + 6 reloads - 1.063 t total
2nd DC/AS Mortars
12 - 440.92 lbs / 200.00 kg Depth Charges + 5 reloads - 3.346 t total
in Stern depth charge racks

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.50" / 38 mm 277.23 ft / 84.50 m 7.84 ft / 2.39 m
Ends: Unarmoured
Main Belt covers 90 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.01" / 51 mm 1.50" / 38 mm 2.01" / 51 mm

- Armoured deck - multiple decks:
For and Aft decks: 1.50" / 38 mm
Forecastle: 1.50" / 38 mm Quarter deck: 1.50" / 38 mm

- Conning towers: Forward 2.01" / 51 mm, Aft 2.01" / 51 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 54,635 shp / 40,757 Kw = 32.00 kts
Range 3,500nm at 15.00 kts
Bunker at max displacement = 442 tons

Complement:
274 - 357

Cost:
£3.002 million / $12.009 million

Distribution of weights at normal displacement:
Armament: 242 tons, 5.4 %
- Guns: 187 tons, 4.1 %
- Weapons: 56 tons, 1.2 %
Armour: 647 tons, 14.4 %
- Belts: 134 tons, 3.0 %
- Armament: 103 tons, 2.3 %
- Armour Deck: 386 tons, 8.6 %
- Conning Towers: 24 tons, 0.5 %
Machinery: 1,307 tons, 29.0 %
Hull, fittings & equipment: 1,815 tons, 40.3 %
Fuel, ammunition & stores: 417 tons, 9.3 %
Miscellaneous weights: 78 tons, 1.7 %
- Hull below water: 10 tons
- Hull above water: 10 tons
- On freeboard deck: 10 tons
- Above deck: 48 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,623 lbs / 2,097 Kg = 87.7 x 4.7 " / 120 mm shells or 0.8 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 1.6 ft / 0.5 m
Roll period: 15.0 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has raised forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.440 / 0.446
Length to Beam Ratio: 10.36 : 1
'Natural speed' for length: 21.81 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 25.10 ft / 7.65 m, 21.82 ft / 6.65 m
- Forward deck: 30.00 %, 15.26 ft / 4.65 m, 15.26 ft / 4.65 m
- Aft deck: 35.00 %, 15.26 ft / 4.65 m, 15.26 ft / 4.65 m
- Quarter deck: 15.00 %, 15.26 ft / 4.65 m, 15.26 ft / 4.65 m
- Average freeboard: 16.83 ft / 5.13 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 107.5 %
- Above water (accommodation/working, high = better): 126.6 %
Waterplane Area: 13,827 Square feet or 1,285 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 80 lbs/sq ft or 389 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.76
- Overall: 1.01
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room

Notes:
-2 Quadruple Centerline 533mm TT for anti-ship duties
-2 Triple Side 480mm TT for ASW duties
-All torpedoes are guided
-2 ASW Mortars with 6 shots each
-2 DCR with 6 depth charges each

Miscellaneous Weight Distribution:

Electronic Suite - 38 Tons
-1 Air Search Radar
-1 Surface Search Radar
-1 Fire Control Radar
-1 Navigation Radar
-1 Hull Sonar

Enhanced Crew Comforts - 20 Tons
Enhanced Tropicalization - 20 Tons

10

Saturday, April 11th 2020, 7:13am

No soy experto en barcos y mis conocimientos de historia se detienen en la segunda guerra, pero creo que el termino leviatan encaja más que el de crucero ligero. :D Siento pena el pobre desgraciado que tenga que enfrentarsele. Una vez que acorte la brecha de terreno sería capaz de dejar lleno de agujeros a cualquier cosa.

(I am not an expert in ships and my knowledge of history stops in the second war, but I think the term leviathan fits more than light cruiser. : D I feel sorry for the poor wretch who has to face it. Once it has shorten the terrain gap itwould be able to leave anything filled with holes.(

11

Saturday, April 11th 2020, 7:26am

No soy experto en barcos y mis conocimientos de historia se detienen en la segunda guerra, pero creo que el termino leviatan encaja más que el de crucero ligero. :D Siento pena el pobre desgraciado que tenga que enfrentarsele. Una vez que acorte la brecha de terreno sería capaz de dejar lleno de agujeros a cualquier cosa.

(I am not an expert in ships and my knowledge of history stops in the second war, but I think the term leviathan fits more than light cruiser. : D I feel sorry for the poor wretch who has to face it. Once it has shorten the terrain gap itwould be able to leave anything filled with holes.(

Cierto, lo irónico es que comenzo como un diseño de 6800 toneladas pero problemas y demás hizo que terminara así

(True, the irony is that this started as a 6800 tons design but problems and other things made it finish like this)

12

Saturday, April 11th 2020, 7:28am

Nah, ¿porque no jugar un poco y hacer cosas alocadas? Es uno de los pequeños placeres de la vida.


(Nah, why not play around and do crazy things? It is one of the small pleasures of life.)

13

Saturday, April 11th 2020, 7:33am

Nah, ¿porque no jugar un poco y hacer cosas alocadas? Es uno de los pequeños placeres de la vida.


(Nah, why not play around and do crazy things? It is one of the small pleasures of life.)

Sip, hacer cosas locas de vez en cuando es divertido.

Yeah, sometimes doing crazy stuff is fun