Cruceros Acorazados Costaneros

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Paraguay Class, NUS - Italian Built Cruiser laid down 1901



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3 ships in class - Gran Chaco (ex.Paraguay), Cordillera, and San Pedro
Ships built in Italia, armed in NUS

Paraguay Class, UNS - Italian Built Protected Cruiser laid down 1901

Displacement:
   4 914 t light; 5 118 t standard; 5 597 t normal; 5 979 t full load

Dimensions: Length overall / water x beam x draught
   355.63 ft / 350.00 ft x 50.00 ft x 21.00 ft (normal load)
   108.40 m / 106.68 m x 15.24 m  x 6.40 m

Armament:
     4 - 8.00" / 203 mm guns (2x2 guns), 256.00lbs / 116.12kg shells, 1895 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
     4 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1895 Model
     Quick firing guns in deck mounts
     on side, all amidships
     2 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1896 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
     4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.89kg shells, 1901 Model
     Quick firing guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 087 lbs / 493 kg
   Shells per gun, main battery: 150
   4 - 18.0" / 457.2 mm above water torpedoes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6.00" / 152 mm   283.00 ft / 86.26 m   9.00 ft / 2.74 m
   Ends:   3.00" / 76 mm     67.00 ft / 20.42 m   9.00 ft / 2.74 m
   Upper:   1.00" / 25 mm   283.00 ft / 86.26 m   8.00 ft / 2.44 m
     Main Belt covers 124 % of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   6.00" / 152 mm   2.00" / 51 mm      4.00" / 102 mm
   2nd:   1.00" / 25 mm   1.00" / 25 mm            -
   3rd:   1.00" / 25 mm         -               -

  - Armour deck: 1.00" / 25 mm, Conning tower: 4.00" / 102 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 3 shafts, 11 716 ihp / 8 740 Kw = 20.00 kts
   Range 5 000nm at 10.00 kts
   Bunker at max displacement = 861 tons (100% coal)

Complement:
   323 - 420

Cost:
   £0.538 million / $2.154 million

Distribution of weights at normal displacement:
   Armament: 136 tons, 2.4 %
   Armour: 1 223 tons, 21.9 %
      - Belts: 790 tons, 14.1 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 184 tons, 3.3 %
      - Armour Deck: 222 tons, 4.0 %
      - Conning Tower: 27 tons, 0.5 %
   Machinery: 1 803 tons, 32.2 %
   Hull, fittings & equipment: 1 703 tons, 30.4 %
   Fuel, ammunition & stores: 683 tons, 12.2 %
   Miscellaneous weights: 49 tons, 0.9 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     4 018 lbs / 1 823 Kg = 15.7 x 8.0 " / 203 mm shells or 0.8 torpedoes
   Stability (Unstable if below 1.00): 1.26
   Metacentric height 2.7 ft / 0.8 m
   Roll period: 12.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.44
   Seaboat quality  (Average = 1.00): 1.59

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.533
   Length to Beam Ratio: 7.00 : 1
   'Natural speed' for length: 18.71 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 44
   Bow angle (Positive = bow angles forward): 9.00 degrees
   Stern overhang: 2.46 ft / 0.75 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      20.00 ft / 6.10 m
      - Forecastle (10 %):   20.00 ft / 6.10 m
      - Mid (50 %):      20.00 ft / 6.10 m (12.00 ft / 3.66 m aft of break)
      - Quarterdeck (10 %):   12.00 ft / 3.66 m
      - Stern:      12.00 ft / 3.66 m
      - Average freeboard:   16.00 ft / 4.88 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 124.1 %
      - Above water (accommodation/working, high = better): 100.3 %
   Waterplane Area: 12 020 Square feet or 1 117 Square metres
   Displacement factor (Displacement / loading): 94 %
   Structure weight / hull surface area: 85 lbs/sq ft or 414 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.90
      - Longitudinal: 2.47
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is adequate
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[Jefgte]

Pachacutec - LD 1903 - com 1906
Viracocha Inca - LD 1901 - com 1904 - refit 1912 - to Greece 1914


4700T, Peru escort cruiser laid down 1901

Displacement:
   4 700 t light; 4 916 t standard; 5 352 t normal; 5 700 t full load

Dimensions: Length overall / water x beam x draught
   387.14 ft / 387.14 ft x 68.90 ft x 14.19 ft (normal load)
   118.00 m / 118.00 m x 21.00 m  x 4.32 m

Armament:
      4 - 9.06" / 230 mm guns (2x2 guns), 371.24lbs / 168.39kg shells, 1901 Model
     Breech loading guns in turrets (on barbettes)
     on centreline, evenly spread
      10 - 3.54" / 90.0 mm guns in single mounts, 22.24lbs / 10.09kg shells, 1901 Model
     Breech loading guns in casemate mounts
     on side, evenly spread
      4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1901 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 708 lbs / 775 kg
   Shells per gun, main battery: 110
   4 - 18.0" / 457.2 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3.94" / 100 mm   282.15 ft / 86.00 m   8.01 ft / 2.44 m
   Ends:   1.57" / 40 mm     78.74 ft / 24.00 m   8.01 ft / 2.44 m
     26.25 ft / 8.00 m Unarmoured ends
     Main Belt covers 112 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4.72" / 120 mm   1.97" / 50 mm      3.94" / 100 mm
   2nd:   1.57" / 40 mm         -               -
   3rd:   0.79" / 20 mm         -               -

   - Armour deck: 1.18" / 30 mm, Conning tower: 3.94" / 100 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 7 844 ihp / 5 851 Kw = 18.15 kts
   Range 4 500nm at 10.00 kts
   Bunker at max displacement = 785 tons (100% coal)

Complement:
   312 - 406

Cost:
   £0.513 million / $2.051 million

Distribution of weights at normal displacement:
   Armament: 213 tons, 4.0 %
   Armour: 1 019 tons, 19.0 %
      - Belts: 416 tons, 7.8 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 191 tons, 3.6 %
      - Armour Deck: 387 tons, 7.2 %
      - Conning Tower: 26 tons, 0.5 %
   Machinery: 1 207 tons, 22.5 %
   Hull, fittings & equipment: 2 176 tons, 40.7 %
   Fuel, ammunition & stores: 651 tons, 12.2 %
   Miscellaneous weights: 85 tons, 1.6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     5 537 lbs / 2 511 Kg = 14.9 x 9.1 " / 230 mm shells or 1.3 torpedoes
   Stability (Unstable if below 1.00): 1.45
   Metacentric height 5.4 ft / 1.7 m
   Roll period: 12.4 seconds
   Steadiness   - As gun platform (Average = 50 %): 79 %
         - Recoil effect (Restricted arc if above 1.00): 0.18
   Seaboat quality  (Average = 1.00): 1.32

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.495
   Length to Beam Ratio: 5.62 : 1
   'Natural speed' for length: 19.68 kts
   Power going to wave formation at top speed: 43 %
   Trim (Max stability = 0, Max steadiness = 100): 60
   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:      15.75 ft / 4.80 m
      - Forecastle (16 %):   13.12 ft / 4.00 m
      - Mid (50 %):      11.48 ft / 3.50 m
      - Quarterdeck (16 %):   11.48 ft / 3.50 m
      - Stern:      11.48 ft / 3.50 m
      - Average freeboard:   12.19 ft / 3.72 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 111.1 %
      - Above water (accommodation/working, high = better): 128.5 %
   Waterplane Area: 17 691 Square feet or 1 644 Square metres
   Displacement factor (Displacement / loading): 102 %
   Structure weight / hull surface area: 98 lbs/sq ft or 479 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.38
      - 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

[Jefgte]

Inca Roca escort cruiser class is slightly improved from the Viracocha class (4700T)

Inca Roca - LD 1905 - com 1908
Yahuar Huacac - LD 1908 - com 1911

4800T, Peru escort cruiser laid down 1905

Displacement:
   4 800 t light; 5 017 t standard; 5 431 t normal; 5 762 t full load

Dimensions: Length overall / water x beam x draught
   387.14 ft / 387.14 ft x 68.90 ft x 14.40 ft (normal load)
   118.00 m / 118.00 m x 21.00 m  x 4.39 m

Armament:
     4 - 9.06" / 230 mm guns (2x2 guns), 371.24lbs / 168.39kg shells, 1905 Model
     Breech loading guns in turrets (on barbettes)
     on centreline, evenly spread
     10 - 3.54" / 90.0 mm guns in single mounts, 22.24lbs / 10.09kg shells, 1905 Model
     Breech loading guns in casemate mounts
     on side, evenly spread
     4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1905 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 708 lbs / 775 kg
   Shells per gun, main battery: 110
   4 - 18.0" / 457 mm submerged torpedo tubes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.72" / 120 mm   282.15 ft / 86.00 m   8.01 ft / 2.44 m
   Ends:   1.57" / 40 mm     78.74 ft / 24.00 m   8.01 ft / 2.44 m
     26.25 ft / 8.00 m Unarmoured ends
     Main Belt covers 112 % of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4.72" / 120 mm   1.97" / 50 mm      3.94" / 100 mm
   2nd:   1.57" / 40 mm         -               -
   3rd:   0.79" / 20 mm         -               -

  - Armour deck: 1.18" / 30 mm, Conning tower: 3.94" / 100 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 8 500 ihp / 6 341 Kw = 18.50 kts
   Range 4 500nm at 10.00 kts
   Bunker at max displacement = 745 tons (100% coal)

Complement:
   316 - 411

Cost:
   £0.520 million / $2.079 million

Distribution of weights at normal displacement:
   Armament: 213 tons, 3.9 %
   Armour: 1 095 tons, 20.2 %
      - Belts: 492 tons, 9.1 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 191 tons, 3.5 %
      - Armour Deck: 387 tons, 7.1 %
      - Conning Tower: 26 tons, 0.5 %
   Machinery: 1 232 tons, 22.7 %
   Hull, fittings & equipment: 2 175 tons, 40.0 %
   Fuel, ammunition & stores: 631 tons, 11.6 %
   Miscellaneous weights: 85 tons, 1.6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     5 625 lbs / 2 551 Kg = 15.2 x 9.1 " / 230 mm shells or 1.3 torpedoes
   Stability (Unstable if below 1.00): 1.49
   Metacentric height 5.6 ft / 1.7 m
   Roll period: 12.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 75 %
         - Recoil effect (Restricted arc if above 1.00): 0.17
   Seaboat quality  (Average = 1.00): 1.34

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.495
   Length to Beam Ratio: 5.62 : 1
   'Natural speed' for length: 19.68 kts
   Power going to wave formation at top speed: 44 %
   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:      15.75 ft / 4.80 m
      - Forecastle (18 %):   13.12 ft / 4.00 m
      - Mid (50 %):      11.48 ft / 3.50 m
      - Quarterdeck (17 %):   11.48 ft / 3.50 m
      - Stern:      11.48 ft / 3.50 m
      - Average freeboard:   12.23 ft / 3.73 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 111.1 %
      - Above water (accommodation/working, high = better): 126.8 %
   Waterplane Area: 17 691 Square feet or 1 644 Square metres
   Displacement factor (Displacement / loading): 101 %
   Structure weight / hull surface area: 98 lbs/sq ft or 477 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.39
      - 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