Imperial Roman Navy, 1909 and Earlier Preliminary Pass

[snip]

A pair of Destroyer leaders, sacrificing everything for speed.

Destroyer Leader A, Roman Imperial Republic Cruiser laid down 1905

Displacement:
   2,919 t light; 3,014 t standard; 3,300 t normal; 3,529 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (410.11 ft / 410.11 ft) x 42.65 ft x (13.94 / 14.65 ft)
   (125.00 m / 125.00 m) x 13.00 m  x (4.25 / 4.46 m)

Armament:
      2 - 5.51" / 140 mm 45.0 cal guns - 84.44lbs / 38.30kg shells, 200 per gun
     Breech loading guns in deck and hoist mounts, 1905 Model
     2 x Single mounts on centreline ends, evenly spread
      4 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 350 per gun
     Quick firing guns in deck mounts, 1905 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 221 lbs / 100 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.79" / 20 mm   0.39" / 10 mm      0.79" / 20 mm
   2nd:   0.59" / 15 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 0.39" / 10 mm
   Forecastle: 0.20" / 5 mm  Quarter deck: 0.20" / 5 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 22,000 shp / 16,412 Kw = 26.23 kts
   Range 3,500nm at 10.00 kts
   Bunker at max displacement = 515 tons (90% coal)

Complement:
   217 - 283

Cost:
   £0.360 million / $1.440 million

Distribution of weights at normal displacement:
   Armament: 55 tons, 1.7 %
      - Guns: 55 tons, 1.7 %
   Armour: 88 tons, 2.7 %
      - Armament: 12 tons, 0.4 %
      - Armour Deck: 76 tons, 2.3 %
   Machinery: 1,708 tons, 51.8 %
   Hull, fittings & equipment: 1,018 tons, 30.9 %
   Fuel, ammunition & stores: 381 tons, 11.5 %
   Miscellaneous weights: 50 tons, 1.5 %
      - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,438 lbs / 652 Kg = 17.2 x 5.5 " / 140 mm shells or 0.4 torpedoes
   Stability (Unstable if below 1.00): 1.53
   Metacentric height 2.9 ft / 0.9 m
   Roll period: 10.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.11
   Seaboat quality  (Average = 1.00): 1.40

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.474 / 0.482
   Length to Beam Ratio: 9.62 : 1
   'Natural speed' for length: 20.25 kts
   Power going to wave formation at top speed: 54 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  22.15 ft / 6.75 m,  22.15 ft / 6.75 m
      - Forward deck:   20.00 %,  22.15 ft / 6.75 m,  22.15 ft / 6.75 m
      - Aft deck:   45.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Quarter deck:   15.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Average freeboard:      14.76 ft / 4.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172.8 %
      - Above water (accommodation/working, high = better): 136.2 %
   Waterplane Area: 11,382 Square feet or 1,057 Square metres
   Displacement factor (Displacement / loading): 84 %
   Structure weight / hull surface area: 56 lbs/sq ft or 274 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.86
      - Longitudinal: 1.34
      - Overall: 0.90
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

Destroyer Leader B, Roman Imperial Republic Cruiser laid down 1908

Displacement:
   3,011 t light; 3,120 t standard; 3,303 t normal; 3,450 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (410.11 ft / 410.11 ft) x 42.65 ft x (13.94 / 14.39 ft)
   (125.00 m / 125.00 m) x 13.00 m  x (4.25 / 4.39 m)

Armament:
      4 - 5.51" / 140 mm 45.0 cal guns - 84.44lbs / 38.30kg shells, 200 per gun
     Breech loading guns in deck and hoist mounts, 1908 Model
     4 x Single mounts on centreline ends, evenly spread
      1 raised mount aft - superfiring
      2 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 350 per gun
     Quick firing guns in deck mounts, 1908 Model
     2 x Single mounts on sides, forward deck aft
      Weight of broadside 364 lbs / 165 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.79" / 20 mm   0.39" / 10 mm      0.79" / 20 mm
   2nd:   0.59" / 15 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 0.79" / 20 mm
   Forecastle: 0.39" / 10 mm  Quarter deck: 0.39" / 10 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 34,000 shp / 25,364 Kw = 29.19 kts
   Range 3,500nm at 10.00 kts
   Bunker at max displacement = 330 tons

Complement:
   217 - 283

Cost:
   £0.365 million / $1.458 million

Distribution of weights at normal displacement:
   Armament: 95 tons, 2.9 %
      - Guns: 95 tons, 2.9 %
   Armour: 168 tons, 5.1 %
      - Armament: 16 tons, 0.5 %
      - Armour Deck: 152 tons, 4.6 %
   Machinery: 1,613 tons, 48.8 %
   Hull, fittings & equipment: 1,085 tons, 32.8 %
   Fuel, ammunition & stores: 292 tons, 8.8 %
   Miscellaneous weights: 50 tons, 1.5 %
      - On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,482 lbs / 672 Kg = 17.7 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.42
   Metacentric height 2.6 ft / 0.8 m
   Roll period: 11.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 50 %
         - Recoil effect (Restricted arc if above 1.00): 0.20
   Seaboat quality  (Average = 1.00): 1.02

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.474 / 0.480
   Length to Beam Ratio: 9.62 : 1
   'Natural speed' for length: 20.25 kts
   Power going to wave formation at top speed: 60 %
   Trim (Max stability = 0, Max steadiness = 100): 48
   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:   20.00 %,  22.15 ft / 6.75 m,  22.15 ft / 6.75 m
      - Forward deck:   20.00 %,  22.15 ft / 6.75 m,  22.15 ft / 6.75 m
      - Aft deck:   45.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Quarter deck:   15.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Average freeboard:      14.76 ft / 4.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 167.6 %
      - Above water (accommodation/working, high = better): 136.2 %
   Waterplane Area: 11,386 Square feet or 1,058 Square metres
   Displacement factor (Displacement / loading): 83 %
   Structure weight / hull surface area: 61 lbs/sq ft or 297 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.86
      - Longitudinal: 1.40
      - Overall: 0.90
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room

[eltf177]

Powerful ships! Any of the miscellaneous weight intended for torpedoes?

[snip]

Yes, Im going though and getting all the designs roughly how I want them so I know the sort of weapons I need.

[snip]

A pair of early TBs, these are ment to be unsatifactory ships. Being phased out for MTBs shortly after the start of the game, with the first MTBs having proven much more satisfactory.

Torpedo Boat A, Imperial Roman Navy Torpedo Boat laid down 1890

Displacement:
   251 t light; 257 t standard; 275 t normal; 289 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (131.23 ft / 131.23 ft) x 18.04 ft x (9.84 / 10.18 ft)
   (40.00 m / 40.00 m) x 5.50 m  x (3.00 / 3.10 m)

Armament:
      2 - 1.77" / 45.0 mm 40.0 cal guns - 2.66lbs / 1.21kg shells, 60 per gun
     Breech loading guns in deck mounts, 1890 Model
     2 x Single mounts on centreline, forward evenly spread
      Weight of broadside 5 lbs / 2 kg

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 2 shafts, 6,000 ihp / 4,476 Kw = 23.96 kts
   Range 850nm at 10.00 kts
   Bunker at max displacement = 32 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   33 - 43

Cost:
   £0.034 million / $0.136 million

Distribution of weights at normal displacement:
   Armament: 1 tons, 0.4 %
      - Guns: 1 tons, 0.4 %
   Machinery: 177 tons, 64.5 %
   Hull, fittings & equipment: 69 tons, 25.2 %
   Fuel, ammunition & stores: 24 tons, 8.6 %
   Miscellaneous weights: 4 tons, 1.5 %
      - On freeboard deck: 4 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     50 lbs / 23 Kg = 18.0 x 1.8 " / 45 mm shells or 0.1 torpedoes
   Stability (Unstable if below 1.00): 1.24
   Metacentric height 0.6 ft / 0.2 m
   Roll period: 10.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 50 %
         - Recoil effect (Restricted arc if above 1.00): 0.03
   Seaboat quality  (Average = 1.00): 0.63

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.413 / 0.420
   Length to Beam Ratio: 7.27 : 1
   'Natural speed' for length: 11.46 kts
   Power going to wave formation at top speed: 77 %
   Trim (Max stability = 0, Max steadiness = 100): 79
   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:   20.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Forward deck:   30.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Aft deck:   35.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Quarter deck:   15.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Average freeboard:      8.20 ft / 2.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 208.7 %
      - Above water (accommodation/working, high = better): 69.6 %
   Waterplane Area: 1,469 Square feet or 137 Square metres
   Displacement factor (Displacement / loading): 12 %
   Structure weight / hull surface area: 21 lbs/sq ft or 101 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 4.98
      - Overall: 0.63
   Caution: Hull subject to strain in open-sea
   Extremely poor machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Caution: Lacks seaworthiness - very limited seakeeping ability

Torpedo Boat B, Imperial Roman Navy Torpedo Boat laid down 1897

Displacement:
   275 t light; 281 t standard; 300 t normal; 315 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (131.23 ft / 131.23 ft) x 18.04 ft x (9.84 / 10.19 ft)
   (40.00 m / 40.00 m) x 5.50 m  x (3.00 / 3.11 m)

Armament:
      4 - 1.77" / 45.0 mm 40.0 cal guns - 2.66lbs / 1.21kg shells, 60 per gun
     Breech loading guns in deck mounts, 1897 Model
     2 x Single mounts on centreline, forward evenly spread
     2 x Single mounts on sides, forward deck centre
      Weight of broadside 11 lbs / 5 kg

Machinery:
   Coal and oil fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 9,500 ihp / 7,087 Kw = 26.01 kts
   Range 1,000nm at 10.00 kts
   Bunker at max displacement = 34 tons (90% coal)
     Caution: Delicate, lightweight machinery

Complement:
   35 - 46

Cost:
   £0.038 million / $0.151 million

Distribution of weights at normal displacement:
   Armament: 2 tons, 0.6 %
      - Guns: 2 tons, 0.6 %
   Machinery: 198 tons, 65.9 %
   Hull, fittings & equipment: 70 tons, 23.4 %
   Fuel, ammunition & stores: 25 tons, 8.4 %
   Miscellaneous weights: 5 tons, 1.7 %
      - On freeboard deck: 5 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     49 lbs / 22 Kg = 17.8 x 1.8 " / 45 mm shells or 0.1 torpedoes
   Stability (Unstable if below 1.00): 1.20
   Metacentric height 0.5 ft / 0.2 m
   Roll period: 10.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 35 %
         - Recoil effect (Restricted arc if above 1.00): 0.05
   Seaboat quality  (Average = 1.00): 0.30

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.450 / 0.457
   Length to Beam Ratio: 7.27 : 1
   'Natural speed' for length: 11.46 kts
   Power going to wave formation at top speed: 81 %
   Trim (Max stability = 0, Max steadiness = 100): 83
   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:   20.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Forward deck:   30.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Aft deck:   35.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Quarter deck:   15.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Average freeboard:      8.20 ft / 2.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 214.2 %
      - Above water (accommodation/working, high = better): 67.5 %
   Waterplane Area: 1,511 Square feet or 140 Square metres
   Displacement factor (Displacement / loading): 10 %
   Structure weight / hull surface area: 21 lbs/sq ft or 101 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 5.02
      - Overall: 0.63
   Extremely poor machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Caution: Lacks seaworthiness - very limited seakeeping ability

[snip]

Sloops, in two main types. The first is the older and smaller of the two designs, updated through the introduction of VTE engines.

Sloop A, Imperial Roman Navy Sloop laid down 1890

Displacement:
   504 t light; 523 t standard; 600 t normal; 661 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (183.73 ft / 183.73 ft) x 26.25 ft x (9.84 / 10.58 ft)
   (56.00 m / 56.00 m) x 8.00 m  x (3.00 / 3.22 m)

Armament:
      1 - 5.51" / 140 mm 45.0 cal gun - 79.37lbs / 36.00kg shells, 50 per gun
     Breech loading gun in deck mount, 1890 Model
     1 x Single mount on centreline, forward deck centre
      2 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 150 per gun
     Breech loading guns in deck mounts, 1890 Model
     2 x Single mounts on sides, aft deck centre
      4 - 1.77" / 45.0 mm 45.0 cal guns - 2.80lbs / 1.27kg shells, 500 per gun
     Breech loading guns in deck mounts, 1890 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 117 lbs / 53 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm         -               -
   2nd:   0.59" / 15 mm         -               -

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 1 shaft, 675 ihp / 504 Kw = 13.00 kts
   Range 2,500nm at 10.00 kts
   Bunker at max displacement = 138 tons (100% coal)

Complement:
   59 - 78

Cost:
   £0.042 million / $0.168 million

Distribution of weights at normal displacement:
   Armament: 19 tons, 3.2 %
      - Guns: 19 tons, 3.2 %
   Armour: 4 tons, 0.7 %
      - Armament: 4 tons, 0.7 %
   Machinery: 131 tons, 21.9 %
   Hull, fittings & equipment: 189 tons, 31.6 %
   Fuel, ammunition & stores: 96 tons, 16.0 %
   Miscellaneous weights: 160 tons, 26.7 %
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 10 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     698 lbs / 316 Kg = 8.3 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.16
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 11.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 96 %
         - Recoil effect (Restricted arc if above 1.00): 0.25
   Seaboat quality  (Average = 1.00): 1.92

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.442 / 0.454
   Length to Beam Ratio: 7.00 : 1
   'Natural speed' for length: 13.55 kts
   Power going to wave formation at top speed: 41 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Forward deck:   30.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Aft deck:   35.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Quarter deck:   15.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Average freeboard:      8.20 ft / 2.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 99.0 %
      - Above water (accommodation/working, high = better): 77.0 %
   Waterplane Area: 2,909 Square feet or 270 Square metres
   Displacement factor (Displacement / loading): 124 %
   Structure weight / hull surface area: 41 lbs/sq ft or 198 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.91
      - Longitudinal: 2.44
      - Overall: 1.00
   Adequate machinery, storage, compartmentation space
   Cramped 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

Sloop B, Imperial Roman Navy Sloop laid down 1895

Displacement:
   497 t light; 516 t standard; 599 t normal; 666 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (183.73 ft / 183.73 ft) x 26.25 ft x (9.84 / 10.64 ft)
   (56.00 m / 56.00 m) x 8.00 m  x (3.00 / 3.24 m)

Armament:
      1 - 5.51" / 140 mm 45.0 cal gun - 79.37lbs / 36.00kg shells, 50 per gun
     Breech loading gun in deck mount, 1890 Model
     1 x Single mount on centreline, forward deck centre
      2 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 150 per gun
     Breech loading guns in deck mounts, 1890 Model
     2 x Single mounts on sides, aft deck centre
      4 - 1.77" / 45.0 mm 45.0 cal guns - 2.80lbs / 1.27kg shells, 500 per gun
     Breech loading guns in deck mounts, 1890 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 117 lbs / 53 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm         -               -
   2nd:   0.59" / 15 mm         -               -

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 1 shaft, 675 ihp / 503 Kw = 13.00 kts
   Range 3,000nm at 10.00 kts
   Bunker at max displacement = 150 tons (100% coal)

Complement:
   59 - 78

Cost:
   £0.041 million / $0.163 million

Distribution of weights at normal displacement:
   Armament: 19 tons, 3.2 %
      - Guns: 19 tons, 3.2 %
   Armour: 4 tons, 0.7 %
      - Armament: 4 tons, 0.7 %
   Machinery: 125 tons, 20.8 %
   Hull, fittings & equipment: 178 tons, 29.7 %
   Fuel, ammunition & stores: 103 tons, 17.1 %
   Miscellaneous weights: 170 tons, 28.4 %
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 20 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     713 lbs / 324 Kg = 8.5 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.14
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 11.9 seconds
   Steadiness   - As gun platform (Average = 50 %): 96 %
         - Recoil effect (Restricted arc if above 1.00): 0.25
   Seaboat quality  (Average = 1.00): 1.92

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.442 / 0.454
   Length to Beam Ratio: 7.00 : 1
   'Natural speed' for length: 13.55 kts
   Power going to wave formation at top speed: 40 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Forward deck:   30.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Aft deck:   35.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Quarter deck:   15.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Average freeboard:      8.20 ft / 2.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 95.8 %
      - Above water (accommodation/working, high = better): 77.0 %
   Waterplane Area: 2,908 Square feet or 270 Square metres
   Displacement factor (Displacement / loading): 125 %
   Structure weight / hull surface area: 38 lbs/sq ft or 187 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.91
      - Longitudinal: 2.44
      - Overall: 1.00
   Adequate machinery, storage, compartmentation space
   Cramped 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

Sloop C, Imperial Roman Navy Sloop laid down 1897

Displacement:
   486 t light; 506 t standard; 599 t normal; 674 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (183.73 ft / 183.73 ft) x 26.25 ft x (9.84 / 10.74 ft)
   (56.00 m / 56.00 m) x 8.00 m  x (3.00 / 3.27 m)

Armament:
      1 - 5.51" / 140 mm 45.0 cal gun - 84.44lbs / 38.30kg shells, 50 per gun
     Quick firing gun in deck mount, 1897 Model
     1 x Single mount on centreline, forward deck centre
      2 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 150 per gun
     Quick firing guns in deck mounts, 1897 Model
     2 x Single mounts on sides, aft deck centre
      4 - 1.77" / 45.0 mm 45.0 cal guns - 2.80lbs / 1.27kg shells, 500 per gun
     Quick firing guns in deck mounts, 1897 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 122 lbs / 55 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm         -               -
   2nd:   0.59" / 15 mm         -               -

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 700 ihp / 522 Kw = 13.13 kts
   Range 3,500nm at 10.00 kts
   Bunker at max displacement = 168 tons (100% coal)

Complement:
   59 - 78

Cost:
   £0.039 million / $0.156 million

Distribution of weights at normal displacement:
   Armament: 22 tons, 3.7 %
      - Guns: 22 tons, 3.7 %
   Armour: 4 tons, 0.7 %
      - Armament: 4 tons, 0.7 %
   Machinery: 115 tons, 19.1 %
   Hull, fittings & equipment: 172 tons, 28.6 %
   Fuel, ammunition & stores: 113 tons, 18.8 %
   Miscellaneous weights: 174 tons, 29.0 %
      - Hull below water: 4 tons
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 20 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     749 lbs / 340 Kg = 8.9 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.14
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 11.9 seconds
   Steadiness   - As gun platform (Average = 50 %): 96 %
         - Recoil effect (Restricted arc if above 1.00): 0.26
   Seaboat quality  (Average = 1.00): 1.93

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.442 / 0.455
   Length to Beam Ratio: 7.00 : 1
   'Natural speed' for length: 13.55 kts
   Power going to wave formation at top speed: 41 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Forward deck:   30.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Aft deck:   35.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Quarter deck:   15.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
      - Average freeboard:      8.20 ft / 2.50 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 91.1 %
      - Above water (accommodation/working, high = better): 77.0 %
   Waterplane Area: 2,908 Square feet or 270 Square metres
   Displacement factor (Displacement / loading): 129 %
   Structure weight / hull surface area: 38 lbs/sq ft or 183 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.90
      - Longitudinal: 2.44
      - Overall: 1.00
   Adequate machinery, storage, compartmentation space
   Cramped 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

And the second type. Little larger, an additional 140mm gun, and increaseing speed.

Sloop D, Imperial Roman Navy Sloop laid down 1900

Displacement:
   740 t light; 766 t standard; 880 t normal; 972 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (219.82 ft / 219.82 ft) x 29.53 ft x (8.20 / 8.89 ft)
   (67.00 m / 67.00 m) x 9.00 m  x (2.50 / 2.71 m)

Armament:
      2 - 5.51" / 140 mm 45.0 cal guns - 80.47lbs / 36.50kg shells, 60 per gun
     Quick firing guns in deck mount, 1900 Model
     1 x Single mount on centreline forward
      2 - 2.95" / 75.0 mm 45.0 cal guns - 13.23lbs / 6.00kg shells, 150 per gun
     Quick firing guns in deck mounts, 1900 Model
     2 x Single mounts on sides, forward deck aft
      Weight of broadside 187 lbs / 85 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm         -               -
   2nd:   0.59" / 15 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 0.59" / 15 mm
   Forecastle: 0.20" / 5 mm  Quarter deck: 0.20" / 5 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 1,400 ihp / 1,044 Kw = 14.82 kts
   Range 3,500nm at 10.00 kts
   Bunker at max displacement = 206 tons (100% coal)

Complement:
   80 - 105

Cost:
   £0.066 million / $0.263 million

Distribution of weights at normal displacement:
   Armament: 34 tons, 3.9 %
      - Guns: 34 tons, 3.9 %
   Armour: 49 tons, 5.6 %
      - Armament: 4 tons, 0.5 %
      - Armour Deck: 45 tons, 5.1 %
   Machinery: 219 tons, 24.9 %
   Hull, fittings & equipment: 260 tons, 29.5 %
   Fuel, ammunition & stores: 140 tons, 15.9 %
   Miscellaneous weights: 179 tons, 20.3 %
      - Hull below water: 9 tons
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 20 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,144 lbs / 519 Kg = 13.7 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.30
   Metacentric height 1.3 ft / 0.4 m
   Roll period: 11.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 98 %
         - Recoil effect (Restricted arc if above 1.00): 0.27
   Seaboat quality  (Average = 1.00): 1.95

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.579 / 0.589
   Length to Beam Ratio: 7.44 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 46 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Forward deck:   30.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Aft deck:   35.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Quarter deck:   15.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Average freeboard:      9.84 ft / 3.00 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 104.1 %
      - Above water (accommodation/working, high = better): 109.0 %
   Waterplane Area: 4,653 Square feet or 432 Square metres
   Displacement factor (Displacement / loading): 117 %
   Structure weight / hull surface area: 40 lbs/sq ft or 196 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.84
      - Overall: 1.00
   Adequate 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

Sloop E, Imperial Roman Navy Sloop laid down 1903

Displacement:
   746 t light; 771 t standard; 881 t normal; 968 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (219.82 ft / 219.82 ft) x 29.53 ft x (8.20 / 8.86 ft)
   (67.00 m / 67.00 m) x 9.00 m  x (2.50 / 2.70 m)

Armament:
      2 - 5.51" / 140 mm 50.0 cal guns - 88.63lbs / 40.20kg shells, 60 per gun
     Quick firing guns in deck mount, 1903 Model
     1 x Single mount on centreline forward
      2 - 2.95" / 75.0 mm 50.0 cal guns - 13.63lbs / 6.18kg shells, 150 per gun
     Quick firing guns in deck mounts, 1903 Model
     2 x Single mounts on sides, forward deck aft
      Weight of broadside 205 lbs / 93 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm         -               -
   2nd:   0.59" / 15 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 0.59" / 15 mm
   Forecastle: 0.20" / 5 mm  Quarter deck: 0.20" / 5 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 1,500 ihp / 1,119 Kw = 15.09 kts
   Range 3,500nm at 10.00 kts
   Bunker at max displacement = 197 tons (100% coal)

Complement:
   80 - 105

Cost:
   £0.068 million / $0.273 million

Distribution of weights at normal displacement:
   Armament: 40 tons, 4.5 %
      - Guns: 40 tons, 4.5 %
   Armour: 49 tons, 5.6 %
      - Armament: 4 tons, 0.5 %
      - Armour Deck: 45 tons, 5.1 %
   Machinery: 224 tons, 25.4 %
   Hull, fittings & equipment: 260 tons, 29.5 %
   Fuel, ammunition & stores: 135 tons, 15.3 %
   Miscellaneous weights: 173 tons, 19.6 %
      - Hull below water: 8 tons
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 15 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,084 lbs / 492 Kg = 12.9 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.30
   Metacentric height 1.3 ft / 0.4 m
   Roll period: 11.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 94 %
         - Recoil effect (Restricted arc if above 1.00): 0.28
   Seaboat quality  (Average = 1.00): 1.88

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.579 / 0.589
   Length to Beam Ratio: 7.44 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 46 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Forward deck:   30.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Aft deck:   35.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Quarter deck:   15.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Average freeboard:      9.84 ft / 3.00 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 107.3 %
      - Above water (accommodation/working, high = better): 109.1 %
   Waterplane Area: 4,655 Square feet or 432 Square metres
   Displacement factor (Displacement / loading): 114 %
   Structure weight / hull surface area: 41 lbs/sq ft or 198 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.87
      - Overall: 1.00
   Adequate 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

Sloop F, Imperial Roman Navy Sloop laid down 1907

Displacement:
   742 t light; 768 t standard; 881 t normal; 971 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (219.82 ft / 219.82 ft) x 29.53 ft x (8.20 / 8.88 ft)
   (67.00 m / 67.00 m) x 9.00 m  x (2.50 / 2.71 m)

Armament:
      2 - 5.51" / 140 mm 50.0 cal guns - 88.63lbs / 40.20kg shells, 60 per gun
     Quick firing guns in deck mount, 1907 Model
     1 x Single mount on centreline forward
      2 - 2.95" / 75.0 mm 50.0 cal guns - 13.63lbs / 6.18kg shells, 150 per gun
     Quick firing guns in deck mounts, 1907 Model
     2 x Single mounts on sides, forward deck aft
      Weight of broadside 205 lbs / 93 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.59" / 15 mm         -               -
   2nd:   0.59" / 15 mm         -               -

   - Protected deck - single deck:
   For and Aft decks: 0.59" / 15 mm
   Forecastle: 0.20" / 5 mm  Quarter deck: 0.20" / 5 mm

Machinery:
   Coal and oil fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 2,000 ihp / 1,492 Kw = 16.25 kts
   Range 4,000nm at 10.00 kts
   Bunker at max displacement = 203 tons (90% coal)

Complement:
   80 - 105

Cost:
   £0.068 million / $0.271 million

Distribution of weights at normal displacement:
   Armament: 40 tons, 4.5 %
      - Guns: 40 tons, 4.5 %
   Armour: 49 tons, 5.6 %
      - Armament: 4 tons, 0.5 %
      - Armour Deck: 45 tons, 5.1 %
   Machinery: 220 tons, 25.0 %
   Hull, fittings & equipment: 261 tons, 29.6 %
   Fuel, ammunition & stores: 139 tons, 15.7 %
   Miscellaneous weights: 173 tons, 19.6 %
      - Hull below water: 8 tons
      - Hull above water: 100 tons
      - On freeboard deck: 50 tons
      - Above deck: 15 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,111 lbs / 504 Kg = 13.3 x 5.5 " / 140 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.30
   Metacentric height 1.3 ft / 0.4 m
   Roll period: 11.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 80 %
         - Recoil effect (Restricted arc if above 1.00): 0.25
   Seaboat quality  (Average = 1.00): 1.61

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.579 / 0.590
   Length to Beam Ratio: 7.44 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:   20.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Forward deck:   30.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Aft deck:   35.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Quarter deck:   15.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
      - Average freeboard:      9.84 ft / 3.00 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 105.9 %
      - Above water (accommodation/working, high = better): 109.1 %
   Waterplane Area: 4,655 Square feet or 432 Square metres
   Displacement factor (Displacement / loading): 115 %
   Structure weight / hull surface area: 41 lbs/sq ft or 199 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.87
      - Overall: 1.00
   Adequate 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