Esc Bc of 1918

[ledeper]

Raubtier class, Esc Bc laid down 1918 (Engine 1916)

Displacement:
   33.126 t light; 34.882 t standard; 37.750 t normal; 40.044 t full load

Dimensions: Length overall / water x beam x draught
   721,57 ft / 717,52 ft x 104,99 ft x 29,53 ft (normal load)
   219,93 m / 218,70 m x 32,00 m  x 9,00 m

Armament:
      6 - 13,78" / 350 mm guns (2x3 guns), 1.308,20lbs / 593,39kg shells, 1918 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      4 - 13,78" / 350 mm guns (2x2 guns), 1.308,20lbs / 593,39kg shells, 1918 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread, all raised mounts
      24 - 5,91" / 150 mm guns (12x2 guns), 102,98lbs / 46,71kg shells, 1918 Model
     Quick firing guns in deck mounts
     on side, evenly spread, 4 raised mounts
      6 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,89kg shells, 1918 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread
   Weight of broadside 15.565 lbs / 7.060 kg
   Shells per gun, main battery: 110

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   11,8" / 300 mm   459,32 ft / 140,00 m   15,58 ft / 4,75 m
   Ends:   Unarmoured
   Upper:   5,91" / 150 mm   466,40 ft / 142,16 m   8,01 ft / 2,44 m
     Main Belt covers 98 % of normal length

   - Torpedo Bulkhead:
      1,97" / 50 mm   459,32 ft / 140,00 m   27,92 ft / 8,51 m

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   11,8" / 300 mm   7,87" / 200 mm      11,8" / 300 mm
   2nd:   11,8" / 300 mm   7,87" / 200 mm      11,8" / 300 mm
   3rd:   0,98" / 25 mm   0,98" / 25 mm            -

   - Armour deck: 3,94" / 100 mm, Conning tower: 11,81" / 300 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric cruising motors plus geared drives, 4 shafts, 99.311 shp / 74.086 Kw = 27,00 kts
   Range 9.000nm at 14,00 kts
   Bunker at max displacement = 5.163 tons

Complement:
   1.353 - 1.760

Cost:
   £6,624 million / $26,494 million

Distribution of weights at normal displacement:
   Armament: 1.946 tons, 5,2 %
   Armour: 12.544 tons, 33,2 %
      - Belts: 4.642 tons, 12,3 %
      - Torpedo bulkhead: 934 tons, 2,5 %
      - Armament: 2.691 tons, 7,1 %
      - Armour Deck: 3.990 tons, 10,6 %
      - Conning Tower: 286 tons, 0,8 %
   Machinery: 3.700 tons, 9,8 %
   Hull, fittings & equipment: 14.437 tons, 38,2 %
   Fuel, ammunition & stores: 4.624 tons, 12,2 %
   Miscellaneous weights: 500 tons, 1,3 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     50.098 lbs / 22.724 Kg = 38,3 x 13,8 " / 350 mm shells or 7,9 torpedoes
   Stability (Unstable if below 1.00): 1,18
   Metacentric height 7,3 ft / 2,2 m
   Roll period: 16,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 53 %
         - Recoil effect (Restricted arc if above 1.00): 0,44
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,594
   Length to Beam Ratio: 6,83 : 1
   'Natural speed' for length: 26,79 kts
   Power going to wave formation at top speed: 50 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:      22,97 ft / 7,00 m
      - Forecastle (20 %):   18,73 ft / 5,71 m
      - Mid (50 %):      18,73 ft / 5,71 m
      - Quarterdeck (15 %):   18,73 ft / 5,71 m
      - Stern:      18,73 ft / 5,71 m
      - Average freeboard:   19,07 ft / 5,81 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 89,8 %
      - Above water (accommodation/working, high = better): 144,5 %
   Waterplane Area: 54.787 Square feet or 5.090 Square metres
   Displacement factor (Displacement / loading): 105 %
   Structure weight / hull surface area: 198 lbs/sq ft or 969 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,98
      - Longitudinal: 1,19
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent

10 dg outward slope

[Borys]

Ahoj!
You could decrease the steadiness down to 1.10 to improve the "fire platform".
Also, you could cut down the MB to 11", and increase turret faces to 12" or 12,5".
Borys