Another anachronistic Shannon design

I have this drawing of an anachronistic Shannon armoured cruiser design. One thing that I changed was to use my new system for choosing gun calibers for the anachronistic design. This version has 2-8in, 7-7.6in and 6-6pdr QF guns. The belt is 9in and the speed is rather low at 17 knots. The range is also short at 3,350nm at 12 knots. This is the Springsharp report:

Shannon, anachronistic, Great Britain Armoured Cruiser laid down 1910

Displacement:
 4,992 t light; 5,221 t standard; 5,670 t normal; 6,030 t full load

Dimensions: Length overall / water x beam x draught
 275.00 ft / 275.00 ft x 54.00 ft x 22.00 ft (normal load)
 83.82 m / 83.82 m x 16.46 m  x 6.71 m

Armament:
      2 - 8.00" / 203 mm guns (1x2 guns), 256.00lbs / 116.12kg shells, 1910 Model
   Breech loading guns in a turret (on a barbette)
   on centreline forward
      3 - 7.60" / 193 mm guns (1x3 guns), 219.49lbs / 99.56kg shells, 1910 Model
   Breech loading guns in a turret (on a barbette)
   on centreline aft
      4 - 7.60" / 193 mm guns (2x2 guns), 219.49lbs / 99.56kg shells, 1910 Model
   Breech loading guns in turrets (on barbettes)
   on centreline, all amidships
      6 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1910 Model
   Quick firing guns in deck mounts with hoists
   on side, all aft, all raised mounts - superfiring
 Weight of broadside 2,082 lbs / 945 kg
 Shells per gun, main battery: 90

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 9.00" / 229 mm 160.00 ft / 48.77 m 10.00 ft / 3.05 m
 Ends: Unarmoured
   Main Belt covers 90 % of normal length
   Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
  1.00" / 25 mm 160.00 ft / 48.77 m 22.00 ft / 6.71 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 9.00" / 229 mm 6.00" / 152 mm  9.00" / 229 mm
 2nd: 9.00" / 229 mm 6.00" / 152 mm  9.00" / 229 mm
 3rd: 8.00" / 203 mm 6.00" / 152 mm  8.00" / 203 mm

   - Armour deck: 3.00" / 76 mm, Conning tower: 9.00" / 229 mm

Machinery:
 Coal fired boilers, complex reciprocating steam engines, 
 Direct drive, 2 shafts, 7,252 ihp / 5,410 Kw = 17.00 kts
 Range 3,350nm at 12.00 kts
 Bunker at max displacement = 809 tons (100% coal)

Complement:
 326 - 424

Cost:
 £0.461 million / $1.844 million

Distribution of weights at normal displacement:
 Armament: 260 tons, 4.6 %
 Armour: 2,246 tons, 39.6 %
    - Belts: 668 tons, 11.8 %
    - Torpedo bulkhead: 130 tons, 2.3 %
    - Armament: 779 tons, 13.7 %
    - Armour Deck: 607 tons, 10.7 %
    - Conning Tower: 62 tons, 1.1 %
 Machinery: 483 tons, 8.5 %
 Hull, fittings & equipment: 2,002 tons, 35.3 %
 Fuel, ammunition & stores: 678 tons, 12.0 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   8,835 lbs / 4,007 Kg = 34.5 x 8.0 " / 203 mm shells or 2.2 torpedoes
 Stability (Unstable if below 1.00): 1.02
 Metacentric height 2.1 ft / 0.6 m
 Roll period: 15.8 seconds
 Steadiness - As gun platform (Average = 50 %): 53 %
   - Recoil effect (Restricted arc if above 1.00): 0.80
 Seaboat quality  (Average = 1.00): 1.51

Hull form characteristics:
 Hull has a flush deck
 Block coefficient: 0.607
 Length to Beam Ratio: 5.09 : 1
 'Natural speed' for length: 16.58 kts
 Power going to wave formation at top speed: 56 %
 Trim (Max stability = 0, Max steadiness = 100): 35
 Bow angle (Positive = bow angles forward): 0.00 degrees
 Stern overhang: -2.00 ft / -0.61 m
 Freeboard (% = measuring location as a percentage of overall length):
    - Stem:  20.00 ft / 6.10 m
    - Forecastle (20 %): 17.00 ft / 5.18 m
    - Mid (50 %):  17.00 ft / 5.18 m
    - Quarterdeck (15 %): 17.00 ft / 5.18 m
    - Stern:  17.00 ft / 5.18 m
    - Average freeboard: 17.24 ft / 5.25 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 99.7 %
  - Above water (accommodation/working, high = better): 108.6 %
 Waterplane Area: 10,937 Square feet or 1,016 Square metres
 Displacement factor (Displacement / loading): 107 %
 Structure weight / hull surface area: 113 lbs/sq ft or 551 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.84
  - Longitudinal: 4.73
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is adequate
 Room for accommodation and workspaces is adequate
 Excellent seaboat, comfortable, can fire her guns in the heaviest weather