Shinchi Roca LD 1913H1 - In service 1915H1
(http://img399.imageshack.us/img399/9121/ac8000tnx2.jpg) (http://imageshack.us)
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
Antisuyu, Peru Cruiser-4300t laid down 1915 (Engine 1912)
Commissioned in april 1916
(http://img294.imageshack.us/img294/8790/pcantisuyu4300t1915jz3.jpg) (http://imageshack.us)
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