By lightening the Repulse, it could reach 34 knots

I did the experiment that I proposed and lightened the Repulse, along with reducing fuel and ammunition. The ship, in Springsharp 3.0b1 Beta, could make 34 knots:

Repulse, lightened, Great Britain Battlecruiser laid down 1915 (Engine 1919)

Displacement:
 29,493 t light; 30,397 t standard; 31,450 t normal; 32,293 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
 (800.00 ft / 794.00 ft) x 89.00 ft x (29.67 / 30.28 ft)
 (243.84 m / 242.01 m) x 27.13 m  x (9.04 / 9.23 m)

Armament:
      6 - 15.00" / 381 mm 42.0 cal guns - 1,920.00lbs / 870.90kg shells, 40 per gun
   Breech loading guns in turret on barbette mounts , 1915 Model
   3 x Twin mounts on centreline ends, majority forward
  1 raised mount - superfiring
      17 - 4.00" / 102 mm 45.0 cal guns - 32.27lbs / 14.64kg shells, 60 per gun
   Quick firing guns in deck and hoist mounts , 1915 Model
   4 x Twin mounts on sides, evenly spread
   3 x Triple mounts on centreline, aft deck forward
  2 raised mounts - superfiring
 Weight of broadside 12,069 lbs / 12,069 kg

Armour:
   - Belts:  Width (max) Length (avg)  Height (avg)
 Main: 6.00" / 152 mm 490.00 ft / 149.35 m 16.00 ft / 4.88 m
 Ends: 4.00" / 102 mm 300.00 ft / 91.44 m 12.00 ft / 3.66 m
   4.00 ft / 1.22 m Unarmoured ends
   Main Belt covers 95 % of normal length
   Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
  1.50" / 38 mm 490.00 ft / 149.35 m 29.00 ft / 8.84 m

   - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
 Main: 9.00" / 229 mm 5.00" / 127 mm  7.00" / 178 mm
 2nd: 3.00" / 76 mm       -   2.00" / 51 mm

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

Machinery:
 Oil fired boilers, steam turbines, 
 Geared drive, 4 shafts, 199,422 shp / 148,769 Kw = 34.00 kts
 Range 3,200nm at 15.00 kts
 Bunker at max displacement = 1,896 tons

Complement:
 1,180 - 1,535

Cost:
 £4.263 million / $17.054 million

Distribution of weights at normal displacement:
 Armament: 1,642 tons, 5.2 %
 Armour: 7,645 tons, 24.3 %
    - Belts: 2,531 tons, 8.0 %
    - Torpedo bulkhead: 789 tons, 2.5 %
    - Armament: 1,458 tons, 4.6 %
    - Armour Deck: 2,674 tons, 8.5 %
    - Conning Tower: 193 tons, 0.6 %
 Machinery: 7,082 tons, 22.5 %
 Hull, fittings & equipment: 13,687 tons, 43.5 %
 Fuel, ammunition & stores: 1,957 tons, 6.2 %
 Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
 Survivability (Non-critical penetrating hits needed to sink ship):
   37,330 lbs / 16,933 Kg = 22.1 x 15.0 " / 381 mm shells or 4.2 torpedoes
 Stability (Unstable if below 1.00): 1.13
 Metacentric height 5.3 ft / 1.6 m
 Roll period: 16.2 seconds
 Steadiness - As gun platform (Average = 50 %): 52 %
   - Recoil effect (Restricted arc if above 1.00): 0.92
 Seaboat quality  (Average = 1.00): 1.03

Hull form characteristics:
 Hull has low quarterdeck ,
   a ram bow and a cruiser stern
 Block coefficient (normal/deep): 0.525 / 0.528
 Length to Beam Ratio: 8.92 : 1
 'Natural speed' for length: 28.18 kts
 Power going to wave formation at top speed: 55 %
 Trim (Max stability = 0, Max steadiness = 100): 50
 Bow angle (Positive = bow angles forward): -3.00 degrees
 Stern overhang: -4.00 ft / -1.22 m
 Freeboard (% = length of deck as a percentage of waterline length):
    Fore end,  Aft end
    - Forecastle: 20.00 %,  31.00 ft / 9.45 m,  28.00 ft / 8.53 m
    - Forward deck: 30.00 %,  28.00 ft / 8.53 m,  27.00 ft / 8.23 m
    - Aft deck: 18.00 %,  27.00 ft / 8.23 m,  27.00 ft / 8.23 m
    - Quarter deck: 32.00 %,  19.00 ft / 5.79 m,  19.00 ft / 5.79 m
    - Average freeboard:  25.03 ft / 7.63 m

Ship space, strength and comments:
 Space - Hull below water (magazines/engines, low = better): 126.8 %
  - Above water (accommodation/working, high = better): 212.4 %
 Waterplane Area: 48,179 Square feet or 4,476 Square metres
 Displacement factor (Displacement / loading): 103 %
 Structure weight / hull surface area: 186 lbs/sq ft or 907 Kg/sq metre
 Hull strength (Relative):
  - Cross-sectional: 0.97
  - Longitudinal: 1.35
  - Overall: 1.00
 Hull space for machinery, storage, compartmentation is cramped
 Room for accommodation and workspaces is excellent