Esc Ac

[ledeper]

Stockholm , Esc Ac laid down 1917 (Engine 1916)

Displacement:
   18.489 t light; 19.252 t standard; 21.280 t normal; 22.903 t full load

Dimensions: Length overall / water x beam x draught
   720,33 ft / 716,86 ft x 72,18 ft x 24,61 ft (normal load)
   219,56 m / 218,50 m x 22,00 m  x 7,50 m

Armament:
      6 - 11,81" / 300 mm guns (2x3 guns), 823,82lbs / 373,68kg shells, 1917 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread
      8 - 4,92" / 125 mm guns in single mounts, 59,59lbs / 27,03kg shells, 1917 Model
     Quick firing guns in deck mounts
     on side, all amidships
      4 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,89kg shells, 1917 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 5.427 lbs / 2.462 kg
   Shells per gun, main battery: 110

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   9,84" / 250 mm   331,36 ft / 101,00 m   13,48 ft / 4,11 m
   Ends:   Unarmoured
   Upper:   3,94" / 100 mm   331,36 ft / 101,00 m   8,01 ft / 2,44 m
     Main Belt covers 71 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   11,8" / 300 mm   5,91" / 150 mm      11,8" / 300 mm
   2nd:   1,97" / 50 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, 76.665 shp / 57.192 Kw = 28,00 kts
   Range 9.000nm at 14,00 kts
   Bunker at max displacement = 3.650 tons

Complement:
   880 - 1.145

Cost:
   £2,940 million / $11,759 million

Distribution of weights at normal displacement:
   Armament: 678 tons, 3,2 %
   Armour: 6.287 tons, 29,5 %
      - Belts: 2.408 tons, 11,3 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 966 tons, 4,5 %
      - Armour Deck: 2.718 tons, 12,8 %
      - Conning Tower: 195 tons, 0,9 %
   Machinery: 2.856 tons, 13,4 %
   Hull, fittings & equipment: 8.167 tons, 38,4 %
   Fuel, ammunition & stores: 2.791 tons, 13,1 %
   Miscellaneous weights: 500 tons, 2,3 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     29.069 lbs / 13.186 Kg = 35,3 x 11,8 " / 300 mm shells or 3,0 torpedoes
   Stability (Unstable if below 1.00): 1,19
   Metacentric height 4,2 ft / 1,3 m
   Roll period: 14,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 55 %
         - Recoil effect (Restricted arc if above 1.00): 0,43
   Seaboat quality  (Average = 1.00): 1,09

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,585
   Length to Beam Ratio: 9,93 : 1
   'Natural speed' for length: 26,77 kts
   Power going to wave formation at top speed: 47 %
   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:      19,69 ft / 6,00 m
      - Forecastle (20 %):   15,52 ft / 4,73 m
      - Mid (50 %):      15,52 ft / 4,73 m
      - Quarterdeck (15 %):   15,52 ft / 4,73 m
      - Stern:      15,52 ft / 4,73 m
      - Average freeboard:   15,85 ft / 4,83 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 70,9 %
      - Above water (accommodation/working, high = better): 125,3 %
   Waterplane Area: 37.316 Square feet or 3.467 Square metres
   Displacement factor (Displacement / loading): 119 %
   Structure weight / hull surface area: 152 lbs/sq ft or 742 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 1,19
      - Longitudinal: 0,94
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is excellent

[Tanthalas]

2K tons heavier, 2 knots slower and a 2.5' shorter main belt than my recent effort, while admitedly the Deck is ALOT heavier.  It is a bit of overkill for the purposes the ship should be used for I think, and it lacks the speed to be a true Raider.

[TexanCowboy]

Compared to your last AC, it has 3 less guns and 2 more knots. If you're going to build a ship like this, at least have more speed.

[mentat]

  i'm intrigued on the intended role  :-\

generally i think looks a bit under gunned and deck a bit more than required - possible to add a twin 300mm and shave 20-30mm off the deck armour?

   - but all depends on what you want it to do ...