Cruisers

Started by Tanthalas, October 01, 2012, 09:56:04 AM

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Tanthalas

The Home of Light, Protected, and Armored Cruisers.
"He either fears his fate too much,
Or his desserts are small,
Who dares not put it to the touch,
To win or lose it all!"

James Graham, 5th Earl of Montrose
1612 to 1650
Royalist General during the English Civil War

Tanthalas

#1
Milan class 10 in service

Milan, Italia Torpedo Cruiser laid down 1899

Displacement:
   1,200 t light; 1,246 t standard; 1,352 t normal; 1,436 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (291.92 ft / 291.00 ft) x 29.10 ft x (12.50 / 13.05 ft)
   (88.98 m / 88.70 m) x 8.87 m  x (3.81 / 3.98 m)

Armament:
      7 - 4.70" / 119 mm 40.0 cal guns - 50.00lbs / 22.68kg shells, 100 per gun
     Breech loading guns in deck mounts, 1899 Model
     3 x Single mounts on centreline, evenly spread
      1 raised mount
     4 x Single mounts on side ends, evenly spread
      Weight of broadside 350 lbs / 159 kg
      Main Torpedoes
      8 - 17.0" / 432 mm, 12.00 ft / 3.66 m torpedoes - 0.388 t each, 3.107 t total
   In 8 sets of deck mounted carriage/fixed tubes

Armour:
   - Conning towers: Forward 1.00" / 25 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 3 shafts, 7,086 ihp / 5,286 Kw = 22.00 kts
   Range 2,400nm at 10.00 kts
   Bunker at max displacement = 190 tons (100% coal)

Complement:
   110 - 144

Cost:
   £0.160 million / $0.641 million

Distribution of weights at normal displacement:
   Armament: 51 tons, 3.8 %
      - Guns: 47 tons, 3.5 %
      - Weapons: 4 tons, 0.3 %
   Armour: 3 tons, 0.2 %
      - Conning Tower: 3 tons, 0.2 %
   Machinery: 739 tons, 54.6 %
   Hull, fittings & equipment: 394 tons, 29.2 %
   Fuel, ammunition & stores: 152 tons, 11.2 %
   Miscellaneous weights: 13 tons, 1.0 %
      - On freeboard deck: 13 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     445 lbs / 202 Kg = 8.6 x 4.7 " / 119 mm shells or 0.8 torpedoes
   Stability (Unstable if below 1.00): 1.46
   Metacentric height 1.5 ft / 0.5 m
   Roll period: 9.9 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.29
   Seaboat quality  (Average = 1.00): 1.07

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.447 / 0.455
   Length to Beam Ratio: 10.00 : 1
   'Natural speed' for length: 17.06 kts
   Power going to wave formation at top speed: 52 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 4.77 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   10.00 %,  11.00 ft / 3.35 m,  8.00 ft / 2.44 m
      - Forward deck:   15.00 %,  8.00 ft / 2.44 m,  8.00 ft / 2.44 m
      - Aft deck:   65.00 %,  8.00 ft / 2.44 m,  8.00 ft / 2.44 m
      - Quarter deck:   10.00 %,  8.00 ft / 2.44 m,  8.00 ft / 2.44 m
      - Average freeboard:      8.12 ft / 2.47 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 186.9 %
      - Above water (accommodation/working, high = better): 72.8 %
   Waterplane Area: 5,388 Square feet or 501 Square metres
   Displacement factor (Displacement / loading): 56 %
   Structure weight / hull surface area: 47 lbs/sq ft or 231 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.97
      - Longitudinal: 1.32
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

TC-01 RMS Milan
TC-02 RMS Ancona
TC-03 RMS Campobasso
TC-04 RMS Turin
TC-05 RMS Cagliari
TC-06 RMS Palermo
TC-07 RMS Florence
TC-08 RMS Trento
TC-09 RMS Perugia
TC-10 RMS Venice
"He either fears his fate too much,
Or his desserts are small,
Who dares not put it to the touch,
To win or lose it all!"

James Graham, 5th Earl of Montrose
1612 to 1650
Royalist General during the English Civil War

Tanthalas

#2
Roma Class 10 in service.

Roma, Italia Protected Cruiser laid down 1896

Displacement:
   3,400 t light; 3,547 t standard; 3,997 t normal; 4,357 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (349.00 ft / 349.00 ft) x 43.00 ft x (17.50 / 18.72 ft)
   (106.38 m / 106.38 m) x 13.11 m  x (5.33 / 5.71 m)

Armament:
      6 - 6.00" / 152 mm 40.0 cal guns - 100.00lbs / 45.36kg shells, 100 per gun
     Quick firing guns in deck mounts, 1896 Model
     2 x Single mounts on centreline ends, evenly spread
      2 raised mounts - superfiring
     4 x Single mounts on side ends, evenly spread
      8 - 4.70" / 119 mm 40.0 cal guns - 50.00lbs / 22.68kg shells, 150 per gun
     Quick firing guns in deck mounts, 1896 Model
     8 x Single mounts on sides, evenly spread
      Weight of broadside 1,000 lbs / 454 kg
      Main Torpedoes
      2 - 17.0" / 432 mm, 12.00 ft / 3.66 m torpedoes - 0.347 t each, 0.694 t total
   submerged bow tubes
      2nd Torpedoes
      1 - 17.0" / 432 mm, 12.00 ft / 3.66 m torpedo - 0.347 t total
   submerged stern tube

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2.00" / 51 mm   335.00 ft / 102.11 m   5.00 ft / 1.52 m
   Ends:   Unarmoured
     Main Belt covers 148 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   3.00" / 76 mm         -               -
   2nd:   1.00" / 25 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 2.00" / 51 mm
   Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm

   - Conning towers: Forward 4.00" / 102 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 10,198 ihp / 7,608 Kw = 20.43 kts
   Range 5,300nm at 10.00 kts
   Bunker at max displacement = 810 tons (100% coal)

Complement:
   250 - 326

Cost:
   £0.395 million / $1.580 million

Distribution of weights at normal displacement:
   Armament: 158 tons, 4.0 %
      - Guns: 156 tons, 3.9 %
      - Weapons: 2 tons, 0.1 %
   Armour: 577 tons, 14.4 %
      - Belts: 130 tons, 3.2 %
      - Armament: 71 tons, 1.8 %
      - Armour Deck: 355 tons, 8.9 %
      - Conning Tower: 22 tons, 0.5 %
   Machinery: 1,665 tons, 41.7 %
   Hull, fittings & equipment: 955 tons, 23.9 %
   Fuel, ammunition & stores: 597 tons, 14.9 %
   Miscellaneous weights: 46 tons, 1.2 %
      - Hull below water: 9 tons
      - On freeboard deck: 37 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,835 lbs / 832 Kg = 17.0 x 6.0 " / 152 mm shells or 2.0 torpedoes
   Stability (Unstable if below 1.00): 1.51
   Metacentric height 2.9 ft / 0.9 m
   Roll period: 10.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 73 %
         - Recoil effect (Restricted arc if above 1.00): 0.20
   Seaboat quality  (Average = 1.00): 1.31

Hull form characteristics:
   Hull has raised forecastle, raised quarterdeck ,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.533 / 0.543
   Length to Beam Ratio: 8.12 : 1
   'Natural speed' for length: 18.68 kts
   Power going to wave formation at top speed: 50 %
   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 (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   15.00 %,  16.00 ft / 4.88 m,  16.00 ft / 4.88 m
      - Forward deck:   30.00 %,  8.50 ft / 2.59 m,  8.50 ft / 2.59 m
      - Aft deck:   40.00 %,  8.50 ft / 2.59 m,  8.50 ft / 2.59 m
      - Quarter deck:   15.00 %,  16.00 ft / 4.88 m,  16.00 ft / 4.88 m
      - Average freeboard:      10.75 ft / 3.28 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 147.2 %
      - Above water (accommodation/working, high = better): 66.7 %
   Waterplane Area: 10,305 Square feet or 957 Square metres
   Displacement factor (Displacement / loading): 90 %
   Structure weight / hull surface area: 66 lbs/sq ft or 320 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.39
      - 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

PC-01 RMS Roma
PC-02 RMS Aosta
PC-03 RMS Bari
PC-04 RMS Potenza
PC-05 RMS Catanzaro
PC-06 RMS Naples
PC-07 RMS Bologna
PC-08 RMS L'Aquila
PC-09 RMS Trieste
PC-10 RMS Genoa
"He either fears his fate too much,
Or his desserts are small,
Who dares not put it to the touch,
To win or lose it all!"

James Graham, 5th Earl of Montrose
1612 to 1650
Royalist General during the English Civil War

Tanthalas

Orderd from AG Vulcan, Stettin RMS Nike and RMS Ares are the most powerful cruisers in the Regia Marina in 1900

RMS Nike, Italia Protected Cruiser laid down 1897

Displacement:
   5,000 t light; 5,208 t standard; 5,744 t normal; 6,173 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (408.00 ft / 408.00 ft) x 44.00 ft x (22.00 / 23.25 ft)
   (124.36 m / 124.36 m) x 13.41 m  x (6.71 / 7.09 m)

Armament:
      4 - 8.00" / 203 mm 40.0 cal guns - 256.00lbs / 116.12kg shells, 90 per gun
     Breech loading guns in turret on barbette mounts, 1897 Model
     2 x Twin mounts on centreline ends, evenly spread
      10 - 4.70" / 119 mm 40.0 cal guns - 50.00lbs / 22.68kg shells, 150 per gun
     Quick firing guns in deck mounts, 1897 Model
     8 x Single mounts on sides, evenly spread
     2 x Single mounts on centreline ends, evenly spread
      2 raised mounts
      Weight of broadside 1,524 lbs / 691 kg
      Main Torpedoes
      2 - 17.0" / 432 mm, 12.00 ft / 3.66 m torpedoes - 0.360 t each, 0.720 t total
   submerged bow tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.00" / 102 mm   318.00 ft / 96.93 m   5.00 ft / 1.52 m
   Ends:   Unarmoured
     Main Belt covers 120 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   6.00" / 152 mm   3.00" / 76 mm      4.00" / 102 mm
   2nd:   1.00" / 25 mm   1.00" / 25 mm            -

   - Protected deck - multiple decks:
   For and Aft decks: 4.00" / 102 mm
   Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm

   - Conning towers: Forward 6.00" / 152 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 11,044 ihp / 8,239 Kw = 20.00 kts
   Range 5,000nm at 10.00 kts
   Bunker at max displacement = 966 tons (100% coal)

Complement:
   329 - 428

Cost:
   £0.531 million / $2.126 million

Distribution of weights at normal displacement:
   Armament: 274 tons, 4.8 %
      - Guns: 273 tons, 4.8 %
      - Weapons: 1 tons, 0.0 %
   Armour: 1,321 tons, 23.0 %
      - Belts: 254 tons, 4.4 %
      - Armament: 201 tons, 3.5 %
      - Armour Deck: 824 tons, 14.3 %
      - Conning Tower: 41 tons, 0.7 %
   Machinery: 1,811 tons, 31.5 %
   Hull, fittings & equipment: 1,543 tons, 26.9 %
   Fuel, ammunition & stores: 744 tons, 13.0 %
   Miscellaneous weights: 51 tons, 0.9 %
      - Hull below water: 6 tons
      - On freeboard deck: 45 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3,580 lbs / 1,624 Kg = 14.0 x 8.0 " / 203 mm shells or 2.9 torpedoes
   Stability (Unstable if below 1.00): 1.17
   Metacentric height 1.9 ft / 0.6 m
   Roll period: 13.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.60
   Seaboat quality  (Average = 1.00): 1.31

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.509 / 0.518
   Length to Beam Ratio: 9.27 : 1
   'Natural speed' for length: 20.20 kts
   Power going to wave formation at top speed: 42 %
   Trim (Max stability = 0, Max steadiness = 100): 54
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   15.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Forward deck:   35.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Aft deck:   40.00 %,  7.50 ft / 2.29 m,  7.50 ft / 2.29 m
      - Quarter deck:   10.00 %,  7.50 ft / 2.29 m,  7.50 ft / 2.29 m
      - Average freeboard:      11.25 ft / 3.43 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 119.6 %
      - Above water (accommodation/working, high = better): 76.8 %
   Waterplane Area: 12,060 Square feet or 1,120 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 83 lbs/sq ft or 406 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.95
      - Longitudinal: 1.47
      - 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

*NOTES*
Ships in Class
PC-11 RMS Nike
PC-12 RMS Ares

Both ships Built at AG Vulcan, Stettin to Italian Specifications

Crew Consists ot 20 Officers, and 320 Enlisted Personel

Misc Weights
25 tons Long range wireless set
19 tons remaining on deck represents Aditional Facilities for Colonial Flag requirements and building reserve
6 tons below watterline to account for torpedos & reloads
"He either fears his fate too much,
Or his desserts are small,
Who dares not put it to the touch,
To win or lose it all!"

James Graham, 5th Earl of Montrose
1612 to 1650
Royalist General during the English Civil War

Tanthalas

#4
Armord Cruisers of the Gladius Class, Bigger, Faster and better armed than any preceding Italian Cruiser they will take their place as the Flag ships of First Scouting Group as soon as they are compleated



RMS Gladius, Italia Armoured Cruiser laid down 1900

Displacement:
   13,500 t light; 13,944 t standard; 15,038 t normal; 15,913 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (530.13 ft / 528.00 ft) x 80.00 ft x (26.60 / 27.72 ft)
   (161.58 m / 160.93 m) x 24.38 m  x (8.11 / 8.45 m)

Armament:
      6 - 9.20" / 234 mm 45.0 cal guns - 380.01lbs / 172.37kg shells, 80 per gun
     Breech loading guns in turret on barbette mounts, 1900 Model
     3 x Twin mounts on centreline ends, majority forward
      8 - 4.70" / 119 mm 45.0 cal guns - 50.00lbs / 22.68kg shells, 150 per gun
     Breech loading guns in casemate mounts, 1900 Model
     8 x Single mounts on sides, evenly spread
      8 - 3.00" / 76.2 mm 45.0 cal guns - 13.01lbs / 5.90kg shells, 150 per gun
     Quick firing guns in casemate mounts, 1900 Model
     8 x Single mounts on side ends, evenly spread
      8 hull mounts in casemates- Limited use in heavy seas
      Weight of broadside 2,784 lbs / 1,263 kg
      Main Torpedoes
      2 - 17.0" / 432 mm, 12.00 ft / 3.66 m torpedoes - 0.403 t each, 0.807 t total
   submerged bow tubes
      2nd Torpedoes
      4 - 17.0" / 432 mm, 12.00 ft / 3.66 m torpedoes - 0.403 t each, 1.613 t total
   In 4 sets of deck mounted carriage/fixed tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   6.00" / 152 mm   419.00 ft / 127.71 m   10.00 ft / 3.05 m
   Ends:   4.00" / 102 mm   109.00 ft / 33.22 m   10.00 ft / 3.05 m
   Upper:   3.00" / 76 mm   408.00 ft / 124.36 m   8.00 ft / 2.44 m
     Main Belt covers 122 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   6.00" / 152 mm   3.00" / 76 mm      6.00" / 152 mm
   3rd:   3.00" / 76 mm         -               -
   4th:   3.00" / 76 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 2.00" / 51 mm
   Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm

   - Conning towers: Forward 8.00" / 203 mm, Aft 0.00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 3 shafts, 31,759 ihp / 23,692 Kw = 23.00 kts
   Range 6,000nm at 10.00 kts
   Bunker at max displacement = 1,969 tons (100% coal)

Complement:
   678 - 882

Cost:
   £1.413 million / $5.653 million

Distribution of weights at normal displacement:
   Armament: 613 tons, 4.1 %
      - Guns: 610 tons, 4.1 %
      - Weapons: 4 tons, 0.0 %
   Armour: 3,179 tons, 21.1 %
      - Belts: 1,596 tons, 10.6 %
      - Armament: 535 tons, 3.6 %
      - Armour Deck: 943 tons, 6.3 %
      - Conning Tower: 105 tons, 0.7 %
   Machinery: 4,962 tons, 33.0 %
   Hull, fittings & equipment: 4,453 tons, 29.6 %
   Fuel, ammunition & stores: 1,538 tons, 10.2 %
   Miscellaneous weights: 293 tons, 1.9 %
      - Hull below water: 16 tons
      - On freeboard deck: 277 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     12,054 lbs / 5,467 Kg = 31.0 x 9.2 " / 234 mm shells or 5.1 torpedoes
   Stability (Unstable if below 1.00): 1.51
   Metacentric height 7.2 ft / 2.2 m
   Roll period: 12.5 seconds
   Steadiness   - As gun platform (Average = 50 %): 75 %
         - Recoil effect (Restricted arc if above 1.00): 0.19
   Seaboat quality  (Average = 1.00): 1.75

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.468 / 0.476
   Length to Beam Ratio: 6.60 : 1
   'Natural speed' for length: 22.98 kts
   Power going to wave formation at top speed: 47 %
   Trim (Max stability = 0, Max steadiness = 100): 43
   Bow angle (Positive = bow angles forward): -5.00 degrees
   Stern overhang: 2.13 ft / 0.65 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   15.00 %,  24.00 ft / 7.32 m,  24.00 ft / 7.32 m
      - Forward deck:   20.00 %,  24.00 ft / 7.32 m,  24.00 ft / 7.32 m
      - Aft deck:   50.00 %,  16.00 ft / 4.88 m,  16.00 ft / 4.88 m
      - Quarter deck:   15.00 %,  16.00 ft / 4.88 m,  16.00 ft / 4.88 m
      - Average freeboard:      18.80 ft / 5.73 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 122.0 %
      - Above water (accommodation/working, high = better): 140.2 %
   Waterplane Area: 27,365 Square feet or 2,542 Square metres
   Displacement factor (Displacement / loading): 96 %
   Structure weight / hull surface area: 118 lbs/sq ft or 574 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.94
      - Longitudinal: 1.74
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Excellent 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

Crew: 37 Officers, 750 Enlisted
293 tons misc. weight
25 tons On deck long range wireless set
8 tons On deck Torpedos 2 per tube
16 tons Below decks Torpedos 8 per tube
244 tons building reserve for future use.


Curently Under Construction
AC-01 RMS Gladius
AC-02 RMS Schiavona
"He either fears his fate too much,
Or his desserts are small,
Who dares not put it to the touch,
To win or lose it all!"

James Graham, 5th Earl of Montrose
1612 to 1650
Royalist General during the English Civil War