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Wednesday, February 22nd 2006, 6:53am

Buques de Guerra (Battleships)



Santa Anna

sim by CanisD

Santa Anna (ex-USS Idaho), Mexican (ex-US) Battleship laid down 1904 (Engine 1927)

Displacement:
11,321 t light; 11,942 t standard; 12,346 t normal; 12,670 t full load

Dimensions: Length overall / water x beam x draught
382.00 ft / 382.00 ft x 77.00 ft (Bulges 83.00 ft) x 21.00 ft (normal load)
116.43 m / 116.43 m x 23.47 m (Bulges 25.30 m) x 6.40 m

Armament:
4 - 12.00" / 305 mm guns (2x2 guns), 864.00lbs / 391.90kg shells, 1904 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
8 - 8.00" / 203 mm guns (4x2 guns), 256.00lbs / 116.12kg shells, 1904 Model
Breech loading guns in turrets (on barbettes)
on side, all amidships
12 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1926 Model
Breech loading guns in deck mounts
on side, all amidships, 4 raised mounts - superfiring
8 guns in hull casemates - Limited use in heavy seas
4 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on centreline, all amidships, all raised mounts - superfiring
Weight of broadside 6,308 lbs / 2,861 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 9.00" / 229 mm 237.00 ft / 72.24 m 10.53 ft / 3.21 m
Ends: 4.00" / 102 mm 145.00 ft / 44.20 m 10.53 ft / 3.21 m
Upper: 4.00" / 102 mm 237.00 ft / 72.24 m 8.00 ft / 2.44 m
Main Belt covers 95 % of normal length

- Torpedo Bulkhead and Bulges:
2.00" / 51 mm 222.00 ft / 67.67 m 20.21 ft / 6.16 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12.0" / 305 mm 5.00" / 127 mm 10.0" / 254 mm
2nd: 6.50" / 165 mm 2.60" / 66 mm 6.00" / 152 mm

- Armour deck: 4.00" / 102 mm, Conning tower: 9.00" / 229 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 25,392 shp / 18,943 Kw = 21.00 kts
Range 6,000nm at 10.00 kts
Bunker at max displacement = 727 tons

Complement:
585 - 761

Cost:
£1.171 million / $4.683 million

Distribution of weights at normal displacement:
Armament: 789 tons, 6.4 %
Armour: 4,894 tons, 39.6 %
- Belts: 1,605 tons, 13.0 %
- Torpedo bulkhead: 332 tons, 2.7 %
- Armament: 1,188 tons, 9.6 %
- Armour Deck: 1,666 tons, 13.5 %
- Conning Tower: 104 tons, 0.8 %
Machinery: 802 tons, 6.5 %
Hull, fittings & equipment: 4,737 tons, 38.4 %
Fuel, ammunition & stores: 1,025 tons, 8.3 %
Miscellaneous weights: 100 tons, 0.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
17,456 lbs / 7,918 Kg = 20.2 x 12.0 " / 305 mm shells or 3.8 torpedoes
Stability (Unstable if below 1.00): 1.02
Metacentric height 3.5 ft / 1.1 m
Roll period: 18.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.63
Seaboat quality (Average = 1.00): 1.03

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.649
Length to Beam Ratio: 4.60 : 1
'Natural speed' for length: 19.54 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 68
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: 26.00 ft / 7.92 m
- Forecastle (23 %): 21.00 ft / 6.40 m
- Mid (71 %): 20.00 ft / 6.10 m (12.00 ft / 3.66 m aft of break)
- Quarterdeck (18 %): 12.00 ft / 3.66 m
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 18.85 ft / 5.75 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 95.1 %
- Above water (accommodation/working, high = better): 138.4 %
Waterplane Area: 22,512 Square feet or 2,091 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 149 lbs/sq ft or 728 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.64
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform


2

Sunday, July 15th 2007, 8:54pm


Arizaba

sim by Wes

Arizaba (ex-Poseidon), Mexican (ex-Atlantean) Battleship laid down 1910 (Engine 1916)

RESOLD to Atlantis Q4/40

This post has been edited 1 times, last edit by "Desertfox" (Feb 18th 2011, 6:12pm)