Armada Armoured Cruisers

[Jefgte]

Shinchi Roca LD 1913H1 - In service 1915H1

8000T cruiser, Peru Armored  Cruiser laid down 1913 (Engine 1912)

Displacement:
   8 000 t light; 8 403 t standard; 9 206 t normal; 9 848 t full load

Dimensions: Length overall / water x beam x draught
   554.46 ft / 554.46 ft x 59.06 ft x 18.39 ft (normal load)
   169.00 m / 169.00 m x 18.00 m  x 5.61 m

Armament:
     4 - 9.06" / 230 mm guns (2x2 guns), 371.24lbs / 168.39kg shells, 1913 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
     2 - 9.06" / 230 mm guns (1x2 guns), 371.24lbs / 168.39kg shells, 1913 Model
     Breech loading guns in a turret (on a barbette)
     on centreline amidships
     12 - 4.72" / 120 mm guns in single mounts, 52.72lbs / 23.91kg shells, 1913 Model
     Breech loading guns in casemate mounts
     on side, evenly spread
     4 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1913 Model
     Quick firing guns in deck mounts
     on side, evenly spread, all raised mounts
     4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1913 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 2 914 lbs / 1 322 kg
   Shells per gun, main battery: 125
   4 - 18.0" / 457 mm submerged torpedo tubes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.72" / 120 mm   374.02 ft / 114.00 m   10.17 ft / 3.10 m
   Ends:   1.57" / 40 mm   144.36 ft / 44.00 m   8.01 ft / 2.44 m
     36.09 ft / 11.00 m Unarmoured ends
     Main Belt covers 104 % 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:   4.72" / 120 mm   1.97" / 50 mm      3.94" / 100 mm
   3rd:   0.79" / 20 mm         -               -
   4th:   0.79" / 20 mm         -               -
   5th:   0.50" / 13 mm         -               -

  - Armour deck: 1.38" / 35 mm, Conning tower: 4.72" / 120 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 46 000 shp / 34 316 Kw = 27.49 kts
   Range 7 000nm at 12.00 kts
   Bunker at max displacement = 1 445 tons

Complement:
   469 - 610

Cost:
   £0.919 million / $3.678 million

Distribution of weights at normal displacement:
   Armament: 364 tons, 4.0 %
   Armour: 1 759 tons, 19.1 %
      - Belts: 816 tons, 8.9 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 323 tons, 3.5 %
      - Armour Deck: 574 tons, 6.2 %
      - Conning Tower: 45 tons, 0.5 %
   Machinery: 1 834 tons, 19.9 %
   Hull, fittings & equipment: 3 743 tons, 40.7 %
   Fuel, ammunition & stores: 1 206 tons, 13.1 %
   Miscellaneous weights: 300 tons, 3.3 %
High fire control - 250t
Marconi - long range wireless - 25t
Reserve - 25t
Crew confort mesures - climat control
Magazines climat control
Damage control - Extra pumps & generators


Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 011 lbs / 4 541 Kg = 27.0 x 9.1 " / 230 mm shells or 1.4 torpedoes
   Stability (Unstable if below 1.00): 1.15
   Metacentric height 2.9 ft / 0.9 m
   Roll period: 14.5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.66
   Seaboat quality  (Average = 1.00): 1.21

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.535
   Length to Beam Ratio: 9.39 : 1
   'Natural speed' for length: 23.55 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 58
   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:      22.97 ft / 7.00 m
      - Forecastle (18 %):   19.36 ft / 5.90 m
      - Mid (40 %):      16.08 ft / 4.90 m
      - Quarterdeck (18 %):   16.08 ft / 4.90 m
      - Stern:      16.08 ft / 4.90 m
      - Average freeboard:   17.29 ft / 5.27 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 103.2 %
      - Above water (accommodation/working, high = better): 152.3 %
   Waterplane Area: 22 533 Square feet or 2 093 Square metres
   Displacement factor (Displacement / loading): 107 %
   Structure weight / hull surface area: 110 lbs/sq ft or 535 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.98
      - Longitudinal: 1.24
      - 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]

Antisuyu, Peru Cruiser-4300t laid down 1915 (Engine 1912)
Commissioned in april 1916



Antisuyu, Peru Cruiser-4300t laid down 1915 (Engine 1912)

Displacement:
   4 300 t light; 4 483 t standard; 5 126 t normal; 5 640 t full load

Dimensions: Length overall / water x beam x draught
   495.89 ft / 492.13 ft x 49.21 ft x 15.31 ft (normal load)
   151.15 m / 150.00 m x 15.00 m  x 4.67 m

Armament:
     4 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1915 Model
     Breech loading guns in deck mounts with hoists
     on side ends, evenly spread
     4 - 6.00" / 152 mm guns in single mounts, 108.00lbs / 48.99kg shells, 1915 Model
     Breech loading guns in deck mounts with hoists
     on side, evenly spread
     2 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1915 Model
     Quick firing guns in deck mounts
     on side, evenly spread, all raised mounts
     4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1915 Model
     Breech loading guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 891 lbs / 404 kg
   Shells per gun, main battery: 150
   6 - 18.0" / 457.2 mm above water torpedoes

Armour:
  - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3.15" / 80 mm   328.08 ft / 100.00 m   9.45 ft / 2.88 m
   Ends:   1.57" / 40 mm   137.80 ft / 42.00 m   8.01 ft / 2.44 m
     26.25 ft / 8.00 m Unarmoured ends
     Main Belt covers 103 % of normal length

  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.98" / 25 mm         -               -
   2nd:   0.98" / 25 mm         -               -
   3rd:   0.79" / 20 mm         -               -
   4th:   0.50" / 13 mm         -               -

  - Armour deck: 0.98" / 25 mm, Conning tower: 3.15" / 80 mm

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 32 000 shp / 23 872 Kw = 27.38 kts
   Range 8 100nm at 12.00 kts
               8100nm at 12kts
               2150nm at 21kts
               1070nm at 27kts
   Bunker at max displacement = 1 157 tons

Complement:
   302 - 393

Cost:
   £0.615 million / $2.459 million

Distribution of weights at normal displacement:
   Armament: 111 tons, 2.2 %
   Armour: 809 tons, 15.8 %
      - Belts: 469 tons, 9.1 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 30 tons, 0.6 %
      - Armour Deck: 290 tons, 5.7 %
      - Conning Tower: 20 tons, 0.4 %
   Machinery: 1 276 tons, 24.9 %
   Hull, fittings & equipment: 1 943 tons, 37.9 %
   Fuel, ammunition & stores: 826 tons, 16.1 %
   Miscellaneous weights: 160 tons, 3.1 %
                     25 Tons for high rangefinders
                     70 mines
                     15 tons for 2 observation baloons (warm air) - cable 300m
                     50 tons for normal reserves for very long cruise
                     150 tons overloaded for extra reserves very long cruise

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     6 230 lbs / 2 826 Kg = 57.7 x 6.0 " / 152 mm shells or 1.2 torpedoes
   Stability (Unstable if below 1.00): 1.23
   Metacentric height 2.5 ft / 0.8 m
   Roll period: 13.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0.36
   Seaboat quality  (Average = 1.00): 1.21

Hull form characteristics:
   Hull has low quarterdeck
   Block coefficient: 0.484
   Length to Beam Ratio: 10.00 : 1
   'Natural speed' for length: 22.18 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 60
   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:      21.33 ft / 6.50 m
      - Forecastle (18 %):   17.06 ft / 5.20 m
      - Mid (40 %):      13.45 ft / 4.10 m
      - Quarterdeck (18 %):   13.45 ft / 4.10 m (13.78 ft / 4.20 m before break)
      - Stern:      13.45 ft / 4.10 m
      - Average freeboard:   14.87 ft / 4.53 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 101.4 %
      - Above water (accommodation/working, high = better): 124.4 %
   Waterplane Area: 15 906 Square feet or 1 478 Square metres
   Displacement factor (Displacement / loading): 116 %
   Structure weight / hull surface area: 79 lbs/sq ft or 386 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.98
      - Longitudinal: 1.11
      - 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