The Philippines desired to lessen its dependence on expensive and so began a series of experiments to evaluate coal, alchol and other sources of energy for ships, cars and aircraft. one of these experiments were the Kingdom class ships (in reality not a class at all being different in size and armament) of wich the first was the
Kahariang Tundun
Kahariang Tundun , The Philippines Coast defence cruiser laid down 1940
Displacement:
7 742 t light; 8 107 t standard; 8 949 t normal; 9 622 t full load
Dimensions: Length overall / water x beam x draught
557,74 ft / 557,74 ft x 60,70 ft x 19,69 ft (normal load)
170,00 m / 170,00 m x 18,50 m x 6,00 m
Armament:
12 - 5,91" / 150 mm guns (4x3 guns), 102,98lbs / 46,71kg shells, 1940 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 4,72" / 120 mm guns (6x2 guns), 52,72lbs / 23,92kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
40 - 1,57" / 40,0 mm guns (10x4 guns), 1,95lbs / 0,89kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
4 - 3,46" / 88,0 mm guns (2x2 guns), 20,79lbs / 9,43kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, all raised mounts
Weight of broadside 2 030 lbs / 921 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2,56" / 65 mm 551,18 ft / 168,00 m 10,20 ft / 3,11 m
Ends: Unarmoured
Main Belt covers 152 % of normal length
- Torpedo Bulkhead:
0,79" / 20 mm 551,18 ft / 168,00 m 13,45 ft / 4,10 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2,36" / 60 mm 2,36" / 60 mm 2,36" / 60 mm
2nd: 1,57" / 40 mm 1,57" / 40 mm 1,57" / 40 mm
3rd: 0,79" / 20 mm - -
4th: 1,57" / 40 mm 1,57" / 40 mm 1,57" / 40 mm
- Armour deck: 1,18" / 30 mm, Conning tower: 3,54" / 90 mm
Machinery:
Coal fired boilers, steam turbines,
Geared drive, 2 shafts, 71 206 shp / 53 120 Kw = 32,25 kts
Range 5 000nm at 16,00 kts
Bunker at max displacement = 1 515 tons (100% coal)
Complement:
459 - 598
Cost:
£4,664 million / $18,655 million
Distribution of weights at normal displacement:
Armament: 254 tons, 2,8 %
Armour: 1 490 tons, 16,7 %
- Belts: 553 tons, 6,2 %
- Torpedo bulkhead: 216 tons, 2,4 %
- Armament: 189 tons, 2,1 %
- Armour Deck: 499 tons, 5,6 %
- Conning Tower: 33 tons, 0,4 %
Machinery: 2 094 tons, 23,4 %
Hull, fittings & equipment: 3 803 tons, 42,5 %
Fuel, ammunition & stores: 1 207 tons, 13,5 %
Miscellaneous weights: 100 tons, 1,1 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11 305 lbs / 5 128 Kg = 109,8 x 5,9 " / 150 mm shells or 1,8 torpedoes
Stability (Unstable if below 1.00): 1,07
Metacentric height 2,7 ft / 0,8 m
Roll period: 15,5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,64
Seaboat quality (Average = 1.00): 1,05
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,470
Length to Beam Ratio: 9,19 : 1
'Natural speed' for length: 27,23 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26,25 ft / 8,00 m
- Forecastle (20 %): 19,69 ft / 6,00 m
- Mid (50 %): 19,69 ft / 6,00 m
- Quarterdeck (15 %): 19,69 ft / 6,00 m
- Stern: 19,69 ft / 6,00 m
- Average freeboard: 20,21 ft / 6,16 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 148,4 %
- Above water (accommodation/working, high = better): 186,4 %
Waterplane Area: 22 822 Square feet or 2 120 Square metres
Displacement factor (Displacement / loading): 115 %
Structure weight / hull surface area: 107 lbs/sq ft or 520 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,95
- Longitudinal: 1,57
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform