Faver Ferrarius Class Tender

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The largest tender in the Imperial Navy, the Faber Ferraius is capable of supporting a large contingent for an extended period.

Faber Ferrarius, Imperial Roman Navy Tender laid down 1905

Displacement:
   8,900 t light; 9,103 t standard; 9,807 t normal; 10,370 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (419.94 ft / 406.82 ft) x 47.57 ft x (23.79 / 25.01 ft)
   (128.00 m / 124.00 m) x 14.50 m  x (7.25 / 7.62 m)

Armament:
      1 - 5.51" / 140 mm 50.0 cal gun - 85.98lbs / 39.00kg shells, 75 per gun
     Breech loading gun in deck mount, 1902 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount aft
      2 - 2.95" / 75.0 mm 50.0 cal guns - 13.23lbs / 6.00kg shells, 175 per gun
     Breech loading guns in deck mounts, 1902 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 112 lbs / 51 kg

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 3,500 ihp / 2,611 Kw = 13.17 kts
   Range 5,500nm at 10.00 kts
   Bunker at max displacement = 1,268 tons (100% coal)

Complement:
   492 - 640

Cost:
   £0.389 million / $1.555 million

Distribution of weights at normal displacement:
   Armament: 20 tons, 0.2 %
      - Guns: 20 tons, 0.2 %
   Machinery: 507 tons, 5.2 %
   Hull, fittings & equipment: 1,773 tons, 18.1 %
   Fuel, ammunition & stores: 907 tons, 9.2 %
   Miscellaneous weights: 6,600 tons, 67.3 %
      - Hull below water: 3,000 tons
      - Hull above water: 2,200 tons
      - On freeboard deck: 1,000 tons
      - Above deck: 400 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10,690 lbs / 4,849 Kg = 127.7 x 5.5 " / 140 mm shells or 1.7 torpedoes
   Stability (Unstable if below 1.00): 1.09
   Metacentric height 1.9 ft / 0.6 m
   Roll period: 14.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 50 %
         - Recoil effect (Restricted arc if above 1.00): 0.03
   Seaboat quality  (Average = 1.00): 1.79

Hull form characteristics:
   Hull has raised forecastle, raised quarterdeck ,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0.746 / 0.750
   Length to Beam Ratio: 8.55 : 1
   'Natural speed' for length: 20.17 kts
   Power going to wave formation at top speed: 29 %
   Trim (Max stability = 0, Max steadiness = 100): 28
   Bow angle (Positive = bow angles forward): 5.00 degrees
   Stern overhang: 11.25 ft / 3.43 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  21.33 ft / 6.50 m,  21.33 ft / 6.50 m
      - Forward deck:   30.00 %,  12.30 ft / 3.75 m,  12.30 ft / 3.75 m
      - Aft deck:   35.00 %,  12.30 ft / 3.75 m,  12.30 ft / 3.75 m
      - Quarter deck:   15.00 %,  21.33 ft / 6.50 m,  21.33 ft / 6.50 m
      - Average freeboard:      15.46 ft / 4.71 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 75.6 %
      - Above water (accommodation/working, high = better): 76.9 %
   Waterplane Area: 16,139 Square feet or 1,499 Square metres
   Displacement factor (Displacement / loading): 128 %
   Structure weight / hull surface area: 67 lbs/sq ft or 328 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.44
      - Overall: 1.00
   Excellent machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Misc Distribution
--Below Water (3000t)
----3000t Resupply
--Above Water (2000t)
----2000t Resupply
--On Deck (1000t)
----500t Resupply
----500t Cranes and other logistical equipment
--Above Deck (400t)
----200t Resupply
----200t Crains and other logistical equipment