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1

Friday, February 18th 2011, 6:10pm

Barcos Decomisionados (ships no longer in service)



License built Indian A-1 class Motor Launches

8 Built SOLD to China Q4/40

Azteca, Mexico Frigate laid down 1932

Displacement:
195 t light; 201 t standard; 219 t normal; 233 t full load

Dimensions: Length overall / water x beam x draught
136.02 ft / 132.00 ft x 19.00 ft x 6.50 ft (normal load)
41.46 m / 40.23 m x 5.79 m x 1.98 m

Armament:
1 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1932 Model
Dual purpose gun in deck mount
on centreline forward
1 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1932 Model
Quick firing gun in deck mount
on centreline aft
2 - 0.79" / 20.0 mm guns (1x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Machine guns in deck mount
on centreline amidships
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 150

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm - -
2nd: 0.50" / 13 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 2,420 shp / 1,805 Kw = 20.00 kts
Range 2,000nm at 12.00 kts
Bunker at max displacement = 32 tons

Complement:
27 - 36

Cost:
£0.085 million / $0.339 million

Distribution of weights at normal displacement:
Armament: 2 tons, 1.0 %
Armour: 2 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.9 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 71 tons, 32.6 %
Hull, fittings & equipment: 103 tons, 47.0 %
Fuel, ammunition & stores: 24 tons, 10.8 %
Miscellaneous weights: 17 tons, 7.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
232 lbs / 105 Kg = 17.2 x 3.0 " / 76 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 0.5 ft / 0.2 m
Roll period: 11.2 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.11
Seaboat quality (Average = 1.00): 1.26

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.470
Length to Beam Ratio: 6.95 : 1
'Natural speed' for length: 11.49 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 40
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 15.00 ft / 4.57 m
- Forecastle (20 %): 13.00 ft / 3.96 m
- Mid (50 %): 13.00 ft / 3.96 m (7.00 ft / 2.13 m aft of break)
- Quarterdeck (15 %): 7.00 ft / 2.13 m
- Stern: 7.00 ft / 2.13 m
- Average freeboard: 10.16 ft / 3.10 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 122.0 %
- Above water (accommodation/working, high = better): 107.2 %
Waterplane Area: 1,556 Square feet or 145 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 27 lbs/sq ft or 132 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.80
- Longitudinal: 11.91
- Overall: 1.05
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily

This post has been edited 1 times, last edit by "Desertfox" (Sep 5th 2012, 2:38am)


2

Friday, February 18th 2011, 6:12pm


Arizaba

sim by Wes

Arizaba (ex-Poseidon), Mexican (ex-Atlantean) Battleship laid down 1910 (Engine 1916)

Displacement:
26,226 t light; 27,868 t standard; 28,729 t normal; 29,417 t full load

Dimensions: Length overall / water x beam x draught
625.00 ft / 625.00 ft x 92.00 ft x 29.00 ft (normal load)
190.50 m / 190.50 m x 28.04 m x 8.84 m

Armament:
8 - 14.00" / 356 mm guns (4x2 guns), 1,372.00lbs / 622.33kg shells, 1910 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
Main guns limited to end-on fire
2 - 14.00" / 356 mm guns (1x2 guns), 1,372.00lbs / 622.33kg shells, 1910 Model
Breech loading guns in a turret (on a barbette)
on centreline amidships
16 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1910 Model
Breech loading guns in casemate mounts
on side, evenly spread, 4 raised mounts
4 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1915 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
8 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1915 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 15,506 lbs / 7,033 kg
Shells per gun, main battery: 120

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 380.00 ft / 115.82 m 12.00 ft / 3.66 m
Ends: 6.00" / 152 mm 200.00 ft / 60.96 m 10.00 ft / 3.05 m
45.00 ft / 13.72 m Unarmoured ends
Upper: 8.00" / 203 mm 300.00 ft / 91.44 m 10.00 ft / 3.05 m
Main Belt covers 94 % of normal length

- Torpedo Bulkhead:
1.25" / 32 mm 580.00 ft / 176.78 m 27.00 ft / 8.23 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 9.20" / 234 mm 10.0" / 254 mm
2nd: 14.0" / 356 mm 9.20" / 234 mm 10.0" / 254 mm
3rd: 2.00" / 51 mm 1.00" / 25 mm -

- Armour deck: 2.50" / 64 mm, Conning tower: 10.00" / 254 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 43,277 shp / 32,285 Kw = 22.50 kts
Range 6,000nm at 10.00 kts
Bunker at max displacement = 1,549 tons

Complement:
1,103 - 1,434

Cost:
£2.772 million / $11.087 million

Distribution of weights at normal displacement:
Armament: 1,938 tons, 6.7 %
Armour: 9,975 tons, 34.7 %
- Belts: 3,979 tons, 13.8 %
- Torpedo bulkhead: 724 tons, 2.5 %
- Armament: 3,119 tons, 10.9 %
- Armour Deck: 1,950 tons, 6.8 %
- Conning Tower: 202 tons, 0.7 %
Machinery: 1,612 tons, 5.6 %
Hull, fittings & equipment: 12,600 tons, 43.9 %
Fuel, ammunition & stores: 2,503 tons, 8.7 %
Miscellaneous weights: 100 tons, 0.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
38,207 lbs / 17,330 Kg = 27.8 x 14.0 " / 356 mm shells or 6.1 torpedoes
Stability (Unstable if below 1.00): 1.01
Metacentric height 4.5 ft / 1.4 m
Roll period: 18.3 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 1.05
Seaboat quality (Average = 1.00): 1.44

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.603
Length to Beam Ratio: 6.79 : 1
'Natural speed' for length: 25.00 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 49
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 %): 26.00 ft / 7.92 m
- Mid (50 %): 26.00 ft / 7.92 m (16.00 ft / 4.88 m aft of break)
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 21.08 ft / 6.42 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 89.8 %
- Above water (accommodation/working, high = better): 150.1 %
Waterplane Area: 42,173 Square feet or 3,918 Square metres
Displacement factor (Displacement / loading): 100 %
Structure weight / hull surface area: 211 lbs/sq ft or 1,028 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.01
- Longitudinal: 1.69
- Overall: 1.07
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

3

Friday, February 18th 2011, 6:13pm

20 MTB-81 class (Atlantis)

Demensions: 77'x19',11"x5',3"
displacement: 46 tons
Armament: 1x20mm, 4x0.50 cal mg (2x2), 4x21"TT or 10 D.C.or 2x21" TT and 8 D.C.
Machinery: 3x 1200 hp Roth-Packard liquid cooled engines
Speed: 41 knots
Cruising radius: 1400 nm
Crew: 17


18 Type 1 Motor launch (license built)

Demensions 110x17.5x4.6
displacement:60 tons
Armament 1x40mm forward, 2x20mm 4x0.50 cal mg, 12 D.C.
Machinery 4x 500 hp Roth petrol motor
speed 25 knots


Type 1 Motor launch, mine layer version (none built yet)

Demensions 110x17.5x4.6
displacement:68 tons
Armament 1x40mm forward, 2x20mm 2x0.50 cal mg, 6 mines
Machinery 4x 500 hp Roth petrol motor
speed 24 knots


4 MAS (ex-Phillipines)
75 tons
2 x 47mm QF
2 x 50cal
4x21" TT (not normaly carried)
AC facilities
Flag Facilities
~35 kts

This post has been edited 1 times, last edit by "Desertfox" (Feb 18th 2011, 6:14pm)


4

Friday, February 18th 2011, 6:15pm



Aguascalientes (ex-Thracius)
San Luis Potosi (ex-Patriclius)
Puebla (ex-Accrisius)
Guanajuato (ex-Favonius)
Chihuahua (ex-Valerius)
Durango (ex-Mazentius)

Thrasius class, Mexico (ex-Atlantis) Light Cruiser laid down 1912 (Engine 1917)

Displacement:
4,570 t light; 4,758 t standard; 4,986 t normal; 5,169 t full load

Dimensions: Length overall / water x beam x draught
459.70 ft / 456.00 ft x 52.00 ft x 16.00 ft (normal load)
140.12 m / 138.99 m x 15.85 m x 4.88 m

Armament:
2 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1912 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
6 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1912 Model
Breech loading guns in deck mounts
on side, all amidships
4 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1912 Model
Quick firing guns in deck mounts
on side, evenly spread
10 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1912 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 923 lbs / 419 kg
Shells per gun, main battery: 150
4 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 310.00 ft / 94.49 m 12.00 ft / 3.66 m
Ends: 1.57" / 40 mm 146.00 ft / 44.50 m 8.00 ft / 2.44 m
Upper: 1.18" / 30 mm 160.00 ft / 48.77 m 8.00 ft / 2.44 m
Main Belt covers 105 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm - -

- Armour deck: 1.18" / 30 mm, Conning tower: 6.10" / 155 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 4 shafts, 35,598 shp / 26,556 Kw = 28.00 kts
Range 5,000nm at 10.00 kts
Bunker at max displacement = 412 tons

Complement:
296 - 385

Cost:
£0.440 million / $1.758 million

Distribution of weights at normal displacement:
Armament: 115 tons, 2.3 %
Armour: 1,011 tons, 20.3 %
- Belts: 628 tons, 12.6 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 11 tons, 0.2 %
- Armour Deck: 333 tons, 6.7 %
- Conning Tower: 38 tons, 0.8 %
Machinery: 1,305 tons, 26.2 %
Hull, fittings & equipment: 2,089 tons, 41.9 %
Fuel, ammunition & stores: 416 tons, 8.3 %
Miscellaneous weights: 50 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,516 lbs / 2,956 Kg = 60.3 x 6.0 " / 152 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 2.8 ft / 0.9 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.20
Seaboat quality (Average = 1.00): 1.24

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.460
Length to Beam Ratio: 8.77 : 1
'Natural speed' for length: 21.35 kts
Power going to wave formation at top speed: 56 %
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 (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (70 %): 20.00 ft / 6.10 m (10.00 ft / 3.05 m aft of break)
- Quarterdeck (15 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 17.08 ft / 5.21 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 104.3 %
- Above water (accommodation/working, high = better): 153.5 %
Waterplane Area: 15,251 Square feet or 1,417 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 86 lbs/sq ft or 422 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.06
- Longitudinal: 1.80
- Overall: 1.12
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

5

Friday, February 18th 2011, 6:17pm



Zorro

Zorro class (ex-Mendoza), Mexico (ex-Argentina) Destroyer laid down 1919 (Engine 1933)

Displacement:
1,008 t light; 1,053 t standard; 1,222 t normal; 1,357 t full load

Dimensions: Length overall / water x beam x draught
300.00 ft / 300.00 ft x 27.00 ft x 12.00 ft (normal load)
91.44 m / 91.44 m x 8.23 m x 3.66 m

Armament:
2 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1933 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
4 - 1.85" / 47.0 mm guns (2x2 guns), 3.17lbs / 1.44kg shells, 1940 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1933 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 138 lbs / 63 kg
Shells per gun, main battery: 250
4 - 24.0" / 609.6 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Electric cruising motors plus geared drives, 2 shafts, 25,553 shp / 19,063 Kw = 32.00 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 305 tons

Complement:
103 - 134

Cost:
£0.288 million / $1.152 million

Distribution of weights at normal displacement:
Armament: 18 tons, 1.4 %
Machinery: 585 tons, 47.9 %
Hull, fittings & equipment: 355 tons, 29.1 %
Fuel, ammunition & stores: 214 tons, 17.5 %
Miscellaneous weights: 50 tons, 4.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
334 lbs / 151 Kg = 5.3 x 5.0 " / 127 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 0.9 ft / 0.3 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.440
Length to Beam Ratio: 11.11 : 1
'Natural speed' for length: 19.75 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 66
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: 21.00 ft / 6.40 m
- Forecastle (30 %): 14.00 ft / 4.27 m
- Mid (50 %): 12.00 ft / 3.66 m
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 13.64 ft / 4.16 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.9 %
- Above water (accommodation/working, high = better): 80.3 %
Waterplane Area: 5,323 Square feet or 495 Square metres
Displacement factor (Displacement / loading): 73 %
Structure weight / hull surface area: 29 lbs/sq ft or 142 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.78
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

6

Friday, February 18th 2011, 6:18pm

Robalo
Gato

Robalo class, Mexican Midget Submarine laid down 1936

Displacement:
115 t light; 117 t standard; 125 t normal; 131 t full load

Dimensions: Length overall / water x beam x draught
79.00 ft / 79.00 ft x 13.00 ft x 10.00 ft (normal load)
24.08 m / 24.08 m x 3.96 m x 3.05 m
2 - 21.0" / 533.4 mm submerged torpedo tubes (2 reloads)

Machinery:
Diesel Internal combustion generators,
Electric motors, 1 shaft, 127 shp / 95 Kw = 10.00 kts
Range 1,700nm at 10.00 kts
Bunker at max displacement = 14 tons

Complement:
18 - 24

Cost:
£0.024 million / $0.095 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 4 tons, 2.9 %
Hull, fittings & equipment: 86 tons, 69.0 %
Fuel, ammunition & stores: 10 tons, 8.1 %
Miscellaneous weights: 25 tons, 20.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20 lbs / 9 Kg = 0.2 x 6 " / 152 mm shells or 0.1 torpedoes
Stability (Unstable if below 1.00): 1.02
Metacentric height 0.2 ft / 0.1 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.425
Length to Beam Ratio: 6.08 : 1
'Natural speed' for length: 8.89 kts
Power going to wave formation at top speed: 49 %
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: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 178.9 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 610 Square feet or 57 Square metres
Displacement factor (Displacement / loading): 388 %
Structure weight / hull surface area: 81 lbs/sq ft or 394 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 4.20
- Longitudinal: 9.40
- Overall: 4.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor

7

Sunday, February 5th 2012, 3:46am

2xex-Canadian drifters

scrapped

***


Tampico (1902)
~980t
2x102mm (T)
4x6-pdr
speed 15knt

***

Blanquet (1903)
Bravo
1210t
2x102mm
4x6-pdr
speed 17knt

8

Sunday, February 5th 2012, 3:58am




6 River Gunboat (RGB):

Displacement, 20 tons
Dimensions, 50' x 12' x 2'
Armament, 1x47mm fow, 1x81mm mortar aft, 2x50cal MGs.
Speed, 10kts
Armor, 0.5"

Based on the British Pamela/Una class. Wood


12 River Patrol Boat (RPB):

Displacement, 5 tons
Dimensions, 29' x 9' x 2'
Armament, 2x50cal MGs.
Speed, 25kts

Based on US PBRs. Wood

9

Thursday, March 15th 2012, 2:59am

E 22-26

E-22 class (ex-1920 class), Mexico (ex-Nordmark) Destroyers laid down 1918 (Engine 1920)

Displacement:
1,154 t light; 1,214 t standard; 1,337 t normal; 1,434 t full load

Dimensions: Length overall / water x beam x draught
318.53 ft / 315.00 ft x 30.00 ft x 11.00 ft (normal load)
97.09 m / 96.01 m x 9.14 m x 3.35 m

Armament:
4 - 5.12" / 130 mm guns (2x2 guns), 67.03lbs / 30.40kg shells, 1920 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
1 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1918 Model
Anti-aircraft gun in deck mount
on side amidships
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
2 - 1.90" / 48.3 mm guns (1x2 guns), 3.43lbs / 1.56kg shells, 1918 Model
Quick firing guns in deck mount
on side
Weight of broadside 292 lbs / 132 kg
Shells per gun, main battery: 200
4 - 18.0" / 457.2 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm 1.00" / 25 mm 1.00" / 25 mm

- Conning tower: 5.00" / 127 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 27,641 shp / 20,620 Kw = 31.00 kts
Range 7,000nm at 10.00 kts
Bunker at max displacement = 220 tons

Complement:
109 - 143

Cost:
£0.325 million / $1.301 million

Distribution of weights at normal displacement:
Armament: 36 tons, 2.7 %
Armour: 32 tons, 2.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 19 tons, 1.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 13 tons, 1.0 %
Machinery: 654 tons, 48.9 %
Hull, fittings & equipment: 411 tons, 30.8 %
Fuel, ammunition & stores: 183 tons, 13.7 %
Miscellaneous weights: 20 tons, 1.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
337 lbs / 153 Kg = 5.0 x 5.1 " / 130 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.57
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.450
Length to Beam Ratio: 10.50 : 1
'Natural speed' for length: 17.75 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (40 %): 14.00 ft / 4.27 m
- Mid (50 %): 14.00 ft / 4.27 m (11.50 ft / 3.51 m aft of break)
- Quarterdeck (15 %): 11.50 ft / 3.51 m
- Stern: 11.50 ft / 3.51 m
- Average freeboard: 13.71 ft / 4.18 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 181.2 %
- Above water (accommodation/working, high = better): 99.8 %
Waterplane Area: 6,028 Square feet or 560 Square metres
Displacement factor (Displacement / loading): 59 %
Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.05
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

10

Thursday, March 15th 2012, 3:03am



6 1914 class purchased

Yucuman Class, Argentina Destroyer laid down 1914

Displacement:
984 t light; 1,023 t standard; 1,099 t normal; 1,159 t full load

Dimensions: Length overall / water x beam x draught
316.16 ft / 309.00 ft x 28.60 ft x 9.50 ft (normal load)
96.37 m / 94.18 m x 8.72 m x 2.90 m

Armament:
5 - 3.94" / 100 mm guns in single mounts, 30.42lbs / 13.80kg shells, 1931 Model
Breech loading guns in deck mounts
on centreline ends, majority aft, 2 raised mounts - superfiring
6 - 0.79" / 20.0 mm guns (4 mounts), 0.24lbs / 0.11kg shells, 1931 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread
Weight of broadside 154 lbs / 70 kg
Shells per gun, main battery: 200
4 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.39" / 10 mm -

- Conning tower: 2.76" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 25,000 shp / 18,650 Kw = 31.09 kts
Range 3,800nm at 10.00 kts
Bunker at max displacement = 136 tons

Complement:
95 - 124

Cost:
£0.167 million / $0.669 million

Distribution of weights at normal displacement:
Armament: 19 tons, 1.8 %
Armour: 14 tons, 1.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 8 tons, 0.7 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 6 tons, 0.6 %
Machinery: 577 tons, 52.5 %
Hull, fittings & equipment: 349 tons, 31.8 %
Fuel, ammunition & stores: 115 tons, 10.4 %
Miscellaneous weights: 25 tons, 2.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
341 lbs / 155 Kg = 11.2 x 3.9 " / 100 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.44
Metacentric height 1.4 ft / 0.4 m
Roll period: 10.0 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.22
Seaboat quality (Average = 1.00): 1.22

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.458
Length to Beam Ratio: 10.80 : 1
'Natural speed' for length: 17.58 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 41
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19.69 ft / 6.00 m
- Forecastle (15 %): 19.69 ft / 6.00 m
- Mid (40 %): 19.69 ft / 6.00 m (10.50 ft / 3.20 m aft of break)
- Quarterdeck (15 %): 10.50 ft / 3.20 m
- Stern: 10.50 ft / 3.20 m
- Average freeboard: 14.17 ft / 4.32 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 185.7 %
- Above water (accommodation/working, high = better): 107.9 %
Waterplane Area: 5,675 Square feet or 527 Square metres
Displacement factor (Displacement / loading): 52 %
Structure weight / hull surface area: 28 lbs/sq ft or 138 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.61
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily