Cruisers

[KWorld]

Cruisers of the USN

[KWorld]

USS Madison, United States Protected Cruiser laid down 1895

USS Madison
USS Topeka
USS Detroit
USS Knoxville

Displacement:
   2,607 t light; 2,717 t standard; 3,046 t normal; 3,309 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (315.20 ft / 305.00 ft) x 42.00 ft x (17.00 / 18.09 ft)
   (96.07 m / 92.96 m) x 12.80 m  x (5.18 / 5.51 m)

Armament:
      2 - 6.00" / 152 mm 40.0 cal guns - 105.01lbs / 47.63kg shells, 100 per gun
     Breech loading guns in deck and hoist mounts, 1895 Model
     2 x Single mounts on centreline ends, evenly spread
      8 - 4.00" / 102 mm 40.0 cal guns - 33.00lbs / 14.97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1895 Model
     8 x Single mounts on sides, evenly spread
      8 - 2.24" / 57.0 mm 45.0 cal guns - 6.00lbs / 2.72kg shells, 300 per gun
     Quick firing guns in deck mounts, 1895 Model
     8 x Single mounts on sides, evenly spread
      Weight of broadside 522 lbs / 237 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Ends:   Unarmoured
   Upper:   3.00" / 76 mm   305.00 ft / 92.96 m   4.00 ft / 1.22 m

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

   - Protected deck - single deck:
   For and Aft decks: 1.25" / 32 mm
   Forecastle: 1.00" / 25 mm  Quarter deck: 1.25" / 32 mm

   - Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 8,297 ihp / 6,189 Kw = 20.00 kts
   Range 4,500nm at 10.00 kts
   Bunker at max displacement = 592 tons (100% coal)

Complement:
   204 - 266

Cost:
   £0.309 million / $1.235 million

Distribution of weights at normal displacement:
   Armament: 97 tons, 3.2 %
      - Guns: 97 tons, 3.2 %
   Armour: 354 tons, 11.6 %
      - Belts: 135 tons, 4.4 %
      - Armament: 12 tons, 0.4 %
      - Armour Deck: 194 tons, 6.4 %
      - Conning Tower: 14 tons, 0.4 %
   Machinery: 1,337 tons, 43.9 %
   Hull, fittings & equipment: 810 tons, 26.6 %
   Fuel, ammunition & stores: 439 tons, 14.4 %
   Miscellaneous weights: 8 tons, 0.3 %
      - Hull below water: 8 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,449 lbs / 657 Kg = 13.4 x 6.0 " / 152 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.51
   Metacentric height 2.7 ft / 0.8 m
   Roll period: 10.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 80 %
         - Recoil effect (Restricted arc if above 1.00): 0.20
   Seaboat quality  (Average = 1.00): 1.31

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.490 / 0.500
   Length to Beam Ratio: 7.26 : 1
   'Natural speed' for length: 17.46 kts
   Power going to wave formation at top speed: 53 %
   Trim (Max stability = 0, Max steadiness = 100): 61
   Bow angle (Positive = bow angles forward): -10.00 degrees
   Stern overhang: 4.20 ft / 1.28 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  15.00 ft / 4.57 m,  11.00 ft / 3.35 m
      - Forward deck:   20.00 %,  11.00 ft / 3.35 m,  10.00 ft / 3.05 m
      - Aft deck:   45.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
      - Quarter deck:   15.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
      - Average freeboard:      10.62 ft / 3.24 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 152.3 %
      - Above water (accommodation/working, high = better): 80.2 %
   Waterplane Area: 8,454 Square feet or 785 Square metres
   Displacement factor (Displacement / loading): 88 %
   Structure weight / hull surface area: 65 lbs/sq ft or 317 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.84
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

Miscellaneous weight accounts for 4 fixed side-mounted 18" 4m torpedo tubes and 8 reload torpedoes.

[KWorld]

USS Saint Paul, United States Protected Cruiser laid down 1897

USS Saint Paul
USS Hartford
USS Raleigh
USS Baltimore

Displacement:
   3,351 t light; 3,495 t standard; 3,911 t normal; 4,244 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (370.20 ft / 360.00 ft) x 42.25 ft x (18.00 / 19.15 ft)
   (112.84 m / 109.73 m) x 12.88 m  x (5.49 / 5.84 m)

Armament:
      4 - 6.00" / 152 mm 40.0 cal guns - 105.01lbs / 47.63kg shells, 120 per gun
     Breech loading guns in deck and hoist mounts, 1897 Model
     2 x Single mounts on centreline ends, evenly spread
     2 x Single mounts on sides, forward deck aft
      8 - 4.00" / 102 mm 40.0 cal guns - 33.00lbs / 14.97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1897 Model
     8 x Single mounts on sides, evenly spread
      8 - 2.24" / 57.0 mm 45.0 cal guns - 6.00lbs / 2.72kg shells, 300 per gun
     Quick firing guns in deck mounts, 1897 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 732 lbs / 332 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Ends:   Unarmoured
   Upper:   3.00" / 76 mm   360.00 ft / 109.73 m   4.00 ft / 1.22 m

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

   - Protected deck - single deck:
   For and Aft decks: 1.25" / 32 mm
   Forecastle: 1.00" / 25 mm  Quarter deck: 1.25" / 32 mm

   - Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 10,917 ihp / 8,144 Kw = 21.00 kts
   Range 5,000nm at 10.00 kts
   Bunker at max displacement = 749 tons (100% coal)

Complement:
   246 - 321

Cost:
   £0.408 million / $1.634 million

Distribution of weights at normal displacement:
   Armament: 146 tons, 3.7 %
      - Guns: 146 tons, 3.7 %
   Armour: 431 tons, 11.0 %
      - Belts: 160 tons, 4.1 %
      - Armament: 24 tons, 0.6 %
      - Armour Deck: 232 tons, 5.9 %
      - Conning Tower: 16 tons, 0.4 %
   Machinery: 1,738 tons, 44.4 %
   Hull, fittings & equipment: 1,028 tons, 26.3 %
   Fuel, ammunition & stores: 560 tons, 14.3 %
   Miscellaneous weights: 8 tons, 0.2 %
      - Hull below water: 8 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,716 lbs / 778 Kg = 15.9 x 6.0 " / 152 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.48
   Metacentric height 2.7 ft / 0.8 m
   Roll period: 10.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.27
   Seaboat quality  (Average = 1.00): 1.29

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.500 / 0.510
   Length to Beam Ratio: 8.52 : 1
   'Natural speed' for length: 18.97 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 54
   Bow angle (Positive = bow angles forward): -10.00 degrees
   Stern overhang: 4.20 ft / 1.28 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  15.00 ft / 4.57 m,  11.00 ft / 3.35 m
      - Forward deck:   20.00 %,  11.00 ft / 3.35 m,  10.00 ft / 3.05 m
      - Aft deck:   45.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
      - Quarter deck:   15.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
      - Average freeboard:      10.62 ft / 3.24 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 155.8 %
      - Above water (accommodation/working, high = better): 79.7 %
   Waterplane Area: 10,134 Square feet or 941 Square metres
   Displacement factor (Displacement / loading): 87 %
   Structure weight / hull surface area: 69 lbs/sq ft or 336 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.42
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

Miscellaneous weight accounts for 4 fixed side-mounted submerged tubes for 18" 4m torpedoes and 8 reload torpedoes.

[KWorld]

USS New Orleans, United States Protected Cruiser laid down 1895

USS New Orleans
USS Albany

Displacement:
   3,402 t light; 3,554 t standard; 3,988 t normal; 4,335 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (364.50 ft / 354.50 ft) x 43.75 ft x (18.00 / 19.18 ft)
   (111.10 m / 108.05 m) x 13.34 m  x (5.49 / 5.84 m)

Armament:
      6 - 6.00" / 152 mm 50.0 cal guns - 105.01lbs / 47.63kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1895 Model
     2 x Twin mounts on centreline ends, evenly spread
     4 x Single mounts on side ends, evenly spread
      4 - 4.00" / 102 mm 50.0 cal guns - 30.00lbs / 13.61kg shells, 300 per gun
     Quick firing guns in deck mounts, 1899 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 750 lbs / 340 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Ends:   Unarmoured
   Upper:   3.00" / 76 mm   330.00 ft / 100.58 m   5.00 ft / 1.52 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2.00" / 51 mm         -               -
   2nd:   2.00" / 51 mm         -               -

   - Armoured deck - multiple decks:
   For and Aft decks: 1.50" / 38 mm
   Forecastle: 1.50" / 38 mm  Quarter deck: 1.50" / 38 mm

   - Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 9,230 ihp / 6,886 Kw = 20.00 kts
   Range 5,000nm at 10.00 kts
   Bunker at max displacement = 781 tons (100% coal)

Complement:
   250 - 326

Cost:
   £0.413 million / $1.651 million

Distribution of weights at normal displacement:
   Armament: 216 tons, 5.4 %
      - Guns: 216 tons, 5.4 %
   Armour: 551 tons, 13.8 %
      - Belts: 192 tons, 4.8 %
      - Armament: 53 tons, 1.3 %
      - Armour Deck: 289 tons, 7.2 %
      - Conning Tower: 16 tons, 0.4 %
   Machinery: 1,531 tons, 38.4 %
   Hull, fittings & equipment: 1,099 tons, 27.5 %
   Fuel, ammunition & stores: 586 tons, 14.7 %
   Miscellaneous weights: 6 tons, 0.2 %
      - Hull above water: 6 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2,156 lbs / 978 Kg = 20.0 x 6.0 " / 152 mm shells or 0.6 torpedoes
   Stability (Unstable if below 1.00): 1.36
   Metacentric height 2.5 ft / 0.8 m
   Roll period: 11.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 81 %
         - Recoil effect (Restricted arc if above 1.00): 0.38
   Seaboat quality  (Average = 1.00): 1.63

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.500 / 0.510
   Length to Beam Ratio: 8.10 : 1
   'Natural speed' for length: 18.83 kts
   Power going to wave formation at top speed: 47 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): -5.00 degrees
   Stern overhang: 4.00 ft / 1.22 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  18.00 ft / 5.49 m,  14.00 ft / 4.27 m
      - Forward deck:   30.00 %,  14.00 ft / 4.27 m,  12.00 ft / 3.66 m
      - Aft deck:   35.00 %,  12.00 ft / 3.66 m,  12.00 ft / 3.66 m
      - Quarter deck:   15.00 %,  12.00 ft / 3.66 m,  12.00 ft / 3.66 m
      - Average freeboard:      13.02 ft / 3.97 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 142.8 %
      - Above water (accommodation/working, high = better): 98.1 %
   Waterplane Area: 10,334 Square feet or 960 Square metres
   Displacement factor (Displacement / loading): 90 %
   Structure weight / hull surface area: 72 lbs/sq ft or 350 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.92
      - Longitudinal: 1.74
      - Overall: 0.98
   Caution: Hull subject to strain in open-sea
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Miscellaneous weight accounts for 3 above-water 18" 4m torpedo tubes (bow, port, & starboard) and 9 reload torpedoes.

[KWorld]

USS Montgomery, United States Protected Cruiser laid down 1898

USS Montgomery
USS Chattanooga
USS Sacramento
USS Macon
USS Akron
USS Louisville
USS Omaha
USS Wichita

Displacement:
   3,416 t light; 3,561 t standard; 3,974 t normal; 4,304 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (370.20 ft / 360.00 ft) x 42.50 ft x (18.00 / 19.13 ft)
   (112.84 m / 109.73 m) x 12.95 m  x (5.49 / 5.83 m)

Armament:
      5 - 6.00" / 152 mm 50.0 cal guns - 105.01lbs / 47.63kg shells, 120 per gun
     Breech loading guns in deck and hoist mounts, 1898 Model
     3 x Single mounts on centreline ends, majority aft
      1 raised mount aft - superfiring
     2 x Single mounts on sides, forward deck aft
      6 - 4.00" / 102 mm 50.0 cal guns - 33.00lbs / 14.97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1898 Model
     6 x Single mounts on sides, evenly spread
      8 - 2.24" / 57.0 mm 45.0 cal guns - 6.00lbs / 2.72kg shells, 300 per gun
     Quick firing guns in deck mounts, 1898 Model
     8 x Single mounts on sides, evenly spread
      8 raised mounts
      Weight of broadside 771 lbs / 350 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Ends:   Unarmoured
   Upper:   3.00" / 76 mm   360.00 ft / 109.73 m   4.00 ft / 1.22 m

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

   - Protected deck - single deck:
   For and Aft decks: 1.25" / 32 mm
   Forecastle: 1.00" / 25 mm  Quarter deck: 1.25" / 32 mm

   - Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 11,047 ihp / 8,241 Kw = 21.00 kts
   Range 5,000nm at 10.00 kts
   Bunker at max displacement = 744 tons (100% coal)

Complement:
   249 - 325

Cost:
   £0.434 million / $1.735 million

Distribution of weights at normal displacement:
   Armament: 218 tons, 5.5 %
      - Guns: 218 tons, 5.5 %
   Armour: 440 tons, 11.1 %
      - Belts: 160 tons, 4.0 %
      - Armament: 30 tons, 0.7 %
      - Armour Deck: 234 tons, 5.9 %
      - Conning Tower: 16 tons, 0.4 %
   Machinery: 1,721 tons, 43.3 %
   Hull, fittings & equipment: 1,029 tons, 25.9 %
   Fuel, ammunition & stores: 558 tons, 14.0 %
   Miscellaneous weights: 8 tons, 0.2 %
      - Hull below water: 8 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,637 lbs / 743 Kg = 15.2 x 6.0 " / 152 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.36
   Metacentric height 2.4 ft / 0.7 m
   Roll period: 11.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.35
   Seaboat quality  (Average = 1.00): 1.23

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0.505 / 0.515
   Length to Beam Ratio: 8.47 : 1
   'Natural speed' for length: 18.97 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 57
   Bow angle (Positive = bow angles forward): -10.00 degrees
   Stern overhang: 4.20 ft / 1.28 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  15.00 ft / 4.57 m,  11.00 ft / 3.35 m
      - Forward deck:   20.00 %,  11.00 ft / 3.35 m,  10.00 ft / 3.05 m
      - Aft deck:   45.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
      - Quarter deck:   15.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
      - Average freeboard:      10.62 ft / 3.24 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 157.2 %
      - Above water (accommodation/working, high = better): 79.5 %
   Waterplane Area: 10,241 Square feet or 951 Square metres
   Displacement factor (Displacement / loading): 84 %
   Structure weight / hull surface area: 71 lbs/sq ft or 346 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.97
      - Longitudinal: 1.40
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

Miscellaneous weight accounts for 4 18" 5m side mounted submerged torpedo tubes and 8 reload torpedoes.