WesWorld

Libertad, Capitan Gascon, Argentina/ USA Battleship laid down 1915


Displacement:
27,495 t light; 28,954 t standard; 30,049 t normal; 30,925 t full load

Dimensions: Length overall / water x beam x draught
630.69 ft / 623.36 ft x 95.14 ft x 29.20 ft (normal load)
192.23 m / 190.00 m x 29.00 m x 8.90 m

Armament:
10 - 14.02" / 356 mm guns (4 mounts), 1,372.00lbs / 622.33kg shells, 1915 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
12 - 5.91" / 150 mm guns in single mounts, 100.00lbs / 45.36kg shells, 1915 Model
Breech loading guns in deck mounts
on side, all amidships
8 - 4.02" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1915 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 15,176 lbs / 6,884 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.5" / 343 mm 340.00 ft / 103.63 m 16.00 ft / 4.88 m
Ends: 6.00" / 152 mm 200.00 ft / 60.96 m 16.00 ft / 4.88 m
83.36 ft / 25.41 m Unarmoured ends
Upper: 8.00" / 203 mm 340.00 ft / 103.63 m 8.00 ft / 2.44 m
Main Belt covers 84 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Torpedo Bulkhead:
2.00" / 51 mm 340.00 ft / 103.63 m 27.86 ft / 8.49 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.5" / 343 mm 9.00" / 229 mm 12.0" / 305 mm
2nd: 6.00" / 152 mm - -

- Armour deck: 4.00" / 102 mm, Conning tower: 13.50" / 343 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 44,624 shp / 33,289 Kw = 22.48 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 1,970 tons

Complement:
1,140 - 1,483

Cost:
£4.075 million / $16.299 million

Distribution of weights at normal displacement:
Armament: 1,908 tons, 6.3 %
Armour: 12,342 tons, 41.1 %
- Belts: 5,043 tons, 16.8 %
- Torpedo bulkhead: 701 tons, 2.3 %
- Armament: 3,086 tons, 10.3 %
- Armour Deck: 3,232 tons, 10.8 %
- Conning Tower: 281 tons, 0.9 %
Machinery: 1,690 tons, 5.6 %
Hull, fittings & equipment: 11,505 tons, 38.3 %
Fuel, ammunition & stores: 2,554 tons, 8.5 %
Miscellaneous weights: 50 tons, 0.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
42,741 lbs / 19,387 Kg = 31.0 x 14.0 " / 356 mm shells or 7.0 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 5.7 ft / 1.7 m
Roll period: 16.8 seconds
Steadiness - As gun platform (Average = 50 %): 67 %
- Recoil effect (Restricted arc if above 1.00): 0.66
Seaboat quality (Average = 1.00): 1.36

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.607
Length to Beam Ratio: 6.55 : 1
'Natural speed' for length: 24.97 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.97 ft / 7.00 m
- Forecastle (20 %): 22.97 ft / 7.00 m
- Mid (60 %): 22.97 ft / 7.00 m (13.12 ft / 4.00 m aft of break)
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 19.03 ft / 5.80 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.2 %
- Above water (accommodation/working, high = better): 140.0 %
Waterplane Area: 43,674 Square feet or 4,057 Square metres
Displacement factor (Displacement / loading): 97 %
Structure weight / hull surface area: 192 lbs/sq ft or 937 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.02
- Longitudinal: 1.47
- Overall: 1.06
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily

ARA Libertad

Project 101D Libertad, Argentina/ USA Battleship laid down 1915 (Engine 1934)


Displacement:
30,357 t light; 32,023 t standard; 34,177 t normal; 35,900 t full load

Dimensions: Length overall / water x beam x draught
634.64 ft / 623.36 ft x 95.14 ft (Bulges 108.27 ft) x 29.20 ft (normal load)
193.44 m / 190.00 m x 29.00 m (Bulges 33.00 m) x 8.90 m

Armament:
10 - 14.02" / 356 mm guns (4 mounts), 1,372.00lbs / 622.33kg shells, 1915 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
16 - 4.53" / 115 mm guns (8x2 guns), 46.40lbs / 21.05kg shells, 1933 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
48 - 0.79" / 20.0 mm guns (8x6 guns), 0.24lbs / 0.11kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 14,524 lbs / 6,588 kg
Shells per gun, main battery: 120

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.5" / 343 mm 340.00 ft / 103.63 m 16.00 ft / 4.88 m
Ends: Unarmoured
Upper: 3.15" / 80 mm 340.00 ft / 103.63 m 8.04 ft / 2.45 m
Main Belt covers 84 % of normal length

- Torpedo Bulkhead and Bulges:
2.95" / 75 mm 426.51 ft / 130.00 m 27.86 ft / 8.49 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.5" / 343 mm 9.00" / 229 mm 12.0" / 305 mm
2nd: 1.97" / 50 mm 1.38" / 35 mm 2.76" / 70 mm
3rd: 0.39" / 10 mm 0.20" / 5 mm -
4th: 0.47" / 12 mm - -

- Armour deck: 5.91" / 150 mm, Conning tower: 13.50" / 343 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 60,000 shp / 44,760 Kw = 23.66 kts
Range 8,000nm at 15.00 kts
Bunker at max displacement = 3,877 tons

Complement:
1,256 - 1,633

Cost:
£4.122 million / $16.489 million

Distribution of weights at normal displacement:
Armament: 1,821 tons, 5.3 %
Armour: 13,308 tons, 38.9 %
- Belts: 3,733 tons, 10.9 %
- Torpedo bulkhead: 1,298 tons, 3.8 %
- Armament: 3,201 tons, 9.4 %
- Armour Deck: 4,770 tons, 14.0 %
- Conning Tower: 306 tons, 0.9 %
Machinery: 1,726 tons, 5.1 %
Hull, fittings & equipment: 13,351 tons, 39.1 %
Fuel, ammunition & stores: 3,820 tons, 11.2 %
Miscellaneous weights: 150 tons, 0.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
53,158 lbs / 24,112 Kg = 38.6 x 14.0 " / 356 mm shells or 11.1 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 5.4 ft / 1.6 m
Roll period: 19.6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.24

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.607
Length to Beam Ratio: 5.76 : 1
'Natural speed' for length: 24.97 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.61 ft / 7.50 m
- Forecastle (20 %): 24.61 ft / 7.50 m
- Mid (60 %): 24.61 ft / 7.50 m (13.12 ft / 4.00 m aft of break)
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 20.01 ft / 6.10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.5 %
- Above water (accommodation/working, high = better): 133.7 %
Waterplane Area: 43,662 Square feet or 4,056 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 213 lbs/sq ft or 1,039 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.05
- Longitudinal: 1.64
- Overall: 1.10
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Changes:
14in guns elevation increased to 30 degrees
New 115mm DP armament added in place of casemates
New light AA outfit
New RD Mk.I, RD Mk.III and HACS Mk.10 rangefinders and fire control equipment
End belts removed and new upper decapping belt added
Hull bulged and new three-layer torpedo bulkhead system added
Deck armour added
New machinery to increase speed by 1kt and save space
Bulges to carry more oil fuel for better range

ARA Capitan Gascon

Project 101E Capitan Gascon, Argentina/ USA Battleship laid down 1915 (Engine 1937)
[Appearance much like Libertad above as refitted]

Displacement:
28,243 t light; 29,867 t standard; 32,106 t normal; 33,897 t full load

Dimensions: Length overall / water x beam x draught
634.64 ft / 623.36 ft x 95.14 ft (Bulges 101.71 ft) x 29.20 ft (normal load)
193.44 m / 190.00 m x 29.00 m (Bulges 31.00 m) x 8.90 m

Armament:
10 - 14.02" / 356 mm guns (4 mounts), 1,372.00lbs / 622.33kg shells, 1915 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
16 - 4.53" / 115 mm guns (8x2 guns), 46.40lbs / 21.05kg shells, 1933 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
32 - 1.46" / 37.0 mm guns (8x4 guns), 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
32 - 0.79" / 20.0 mm guns (6 mounts), 0.24lbs / 0.11kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised guns
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 14,522 lbs / 6,587 kg
Shells per gun, main battery: 120

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.5" / 343 mm 340.00 ft / 103.63 m 16.00 ft / 4.88 m
Ends: Unarmoured
Upper: 1.97" / 50 mm 340.00 ft / 103.63 m 8.04 ft / 2.45 m
Main Belt covers 84 % of normal length

- Torpedo Bulkhead and Bulges:
2.36" / 60 mm 426.51 ft / 130.00 m 27.86 ft / 8.49 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.5" / 343 mm 9.00" / 229 mm 12.0" / 305 mm
2nd: 1.97" / 50 mm 1.38" / 35 mm 2.76" / 70 mm
3rd: 0.39" / 10 mm 0.20" / 5 mm -
4th: 0.47" / 12 mm - -

- Armour deck: 5.91" / 150 mm, Conning tower: 13.50" / 343 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 56,000 shp / 41,776 Kw = 23.54 kts
Range 9,000nm at 15.00 kts
Bunker at max displacement = 4,030 tons

Complement:
1,199 - 1,559

Cost:
£3.979 million / $15.915 million

Distribution of weights at normal displacement:
Armament: 1,821 tons, 5.7 %
Armour: 12,889 tons, 40.1 %
- Belts: 3,586 tons, 11.2 %
- Torpedo bulkhead: 1,039 tons, 3.2 %
- Armament: 3,201 tons, 10.0 %
- Armour Deck: 4,770 tons, 14.9 %
- Conning Tower: 294 tons, 0.9 %
Machinery: 1,552 tons, 4.8 %
Hull, fittings & equipment: 11,830 tons, 36.8 %
Fuel, ammunition & stores: 3,863 tons, 12.0 %
Miscellaneous weights: 150 tons, 0.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
49,160 lbs / 22,298 Kg = 35.7 x 14.0 " / 356 mm shells or 9.4 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 5.2 ft / 1.6 m
Roll period: 18.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.67
Seaboat quality (Average = 1.00): 1.30

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.607
Length to Beam Ratio: 6.13 : 1
'Natural speed' for length: 24.97 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 54
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.61 ft / 7.50 m
- Forecastle (20 %): 24.61 ft / 7.50 m
- Mid (60 %): 24.61 ft / 7.50 m (13.12 ft / 4.00 m aft of break)
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 20.01 ft / 6.10 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 75.9 %
- Above water (accommodation/working, high = better): 140.0 %
Waterplane Area: 43,662 Square feet or 4,056 Square metres
Displacement factor (Displacement / loading): 105 %
Structure weight / hull surface area: 192 lbs/sq ft or 937 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.51
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Changes:
14in guns elevation increased to 30 degrees
New 115mm DP armament added in place of casemates
New light AA outfit
New RD Mk.II, RD Mk.III and HACS Mk.10a rangefinders and fire control equipment
End belts removed and new upper decapping belt added
Hull bulged and new three-layer torpedo bulkhead system added
Deck armour added
New machinery to increase speed by 1kt and save space
Bulges to carry more oil fuel for better range

[SIZE=1]Pic by CanisD[/SIZE]

Puyerredon (ex-Chilean Almirante Gideon) Coast Defense Battleship laid down 1927 (American design)

Displacement:
15,602 t light; 16,450 t standard; 16,954 t normal; 17,357 t full load

Dimensions: Length overall / water x beam x draught
505.00 ft / 500.00 ft x 88.00 ft x 22.00 ft (normal load)
153.93 m / 152.40 m x 26.82 m x 6.71 m

Armament:
6 - 14.00" / 356 mm guns (3x2 guns), 1,372.00lbs / 622.33kg shells, 1911 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
10 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1911 Model
Breech loading guns in deck mounts
on side, all amidships
10 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 8,992 lbs / 4,079 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.0" / 330 mm 283.00 ft / 86.26 m 11.06 ft / 3.37 m
Ends: Unarmoured
Main Belt covers 87 % of normal length

- Torpedo Bulkhead:
3.00" / 76 mm 283.00 ft / 86.26 m 20.49 ft / 6.25 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 6.00" / 152 mm 13.0" / 330 mm
2nd: 1.00" / 25 mm 1.00" / 25 mm -

- Armour deck: 3.50" / 89 mm, Conning tower: 16.00" / 406 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 26,632 shp / 19,868 Kw = 21.00 kts
Range 6,000nm at 10.00 kts
Bunker at max displacement = 908 tons

Complement:
742 - 965

Cost:
£5.847 million / $23.388 million

Distribution of weights at normal displacement:
Armament: 1,124 tons, 6.6 %
Armour: 6,500 tons, 38.3 %
- Belts: 1,874 tons, 11.1 %
- Torpedo bulkhead: 644 tons, 3.8 %
- Armament: 1,645 tons, 9.7 %
- Armour Deck: 2,109 tons, 12.4 %
- Conning Tower: 227 tons, 1.3 %
Machinery: 841 tons, 5.0 %
Hull, fittings & equipment: 6,987 tons, 41.2 %
Fuel, ammunition & stores: 1,352 tons, 8.0 %
Miscellaneous weights: 150 tons, 0.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
24,158 lbs / 10,958 Kg = 17.6 x 14.0 " / 356 mm shells or 5.1 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 4.6 ft / 1.4 m
Roll period: 17.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.59
Seaboat quality (Average = 1.00): 1.15

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.613
Length to Beam Ratio: 5.68 : 1
'Natural speed' for length: 22.36 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 16.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17.45 ft / 5.32 m
- Forecastle (20 %): 16.00 ft / 4.88 m
- Mid (50 %): 15.65 ft / 4.77 m
- Quarterdeck (20 %): 15.65 ft / 4.77 m
- Stern: 15.65 ft / 4.77 m
- Average freeboard: 15.89 ft / 4.84 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87.0 %
- Above water (accommodation/working, high = better): 131.6 %
Waterplane Area: 32,573 Square feet or 3,026 Square metres
Displacement factor (Displacement / loading): 98 %
Structure weight / hull surface area: 166 lbs/sq ft or 812 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.52
- 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

Breakdown of Weights
N/A