My next light cruisers, slightly larger, this one carries an aircraft and a catapult, is better armed than the Dianas and similarly armored.
4 units in the class
HMS Hector
HMS Paris
HMS Priam
HMS Aeneas
HMS Hector, British Light Cruiser laid down 1926
Displacement:
4.813 t light; 5.000 t standard; 5.458 t normal; 5.803 t full load
Dimensions: Length overall / water x beam x draught
456,43 ft / 450,00 ft x 45,00 ft x 17,80 ft (normal load)
139,12 m / 137,16 m x 13,72 m x 5,43 m
Armament:
8 - 5,50" / 140 mm guns (4x2 guns), 83,19lbs / 37,73kg shells, 1926 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
6 - 4,00" / 102 mm guns (4 mounts), 32,00lbs / 14,51kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 1,57" / 40,0 mm guns (1x4 guns), 1,95lbs / 0,88kg shells, 1926 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
12 - 0,79" / 20,0 mm guns (6x2 guns), 0,24lbs / 0,11kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 868 lbs / 394 kg
Shells per gun, main battery: 150
8 - 21,0" / 533,4 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,50" / 38 mm 420,00 ft / 128,02 m 8,00 ft / 2,44 m
Ends: Unarmoured
Main Belt covers 144 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3,50" / 89 mm 1,00" / 25 mm 1,00" / 25 mm
2nd: 1,00" / 25 mm - -
3rd: 0,50" / 13 mm - -
4th: 0,50" / 13 mm - -
- Armour deck: 0,80" / 20 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 66.871 shp / 49.886 Kw = 32,00 kts
Range 8.050nm at 12,00 kts (Bunkerage = 826 tons)
Complement:
316 - 412
Cost:
£1,932 million / $7,729 million
Distribution of weights at normal displacement:
Armament: 109 tons, 2,0 %
Armour: 491 tons, 9,0 %
- Belts: 198 tons, 3,6 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 94 tons, 1,7 %
- Armour Deck: 198 tons, 3,6 %
- Conning Tower: 0 tons, 0,0 %
Machinery: 2.141 tons, 39,2 %
Hull, fittings & equipment: 2.023 tons, 37,1 %
Fuel, ammunition & stores: 645 tons, 11,8 %
Miscellaneous weights: 50 tons, 0,9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2.983 lbs / 1.353 Kg = 35,9 x 5,5 " / 140 mm shells or 0,7 torpedoes
Stability (Unstable if below 1.00): 1,21
Metacentric height 2,1 ft / 0,7 m
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,48
Seaboat quality (Average = 1.00): 1,04
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,530
Length to Beam Ratio: 10,00 : 1
'Natural speed' for length: 21,21 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 15,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24,00 ft / 7,32 m
- Forecastle (40 %): 24,00 ft / 7,32 m (15,00 ft / 4,57 m aft of break)
- Mid (50 %): 15,00 ft / 4,57 m
- Quarterdeck (15 %): 15,00 ft / 4,57 m
- Stern: 15,00 ft / 4,57 m
- Average freeboard: 18,60 ft / 5,67 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 143,3 %
- Above water (accommodation/working, high = better): 88,2 %
Waterplane Area: 13.405 Square feet or 1.245 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 77 lbs/sq ft or 378 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,91
- Longitudinal: 2,30
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped