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Majestuoso, class Battlecruiser Edit

The Majestuoso is the first of four Mexican Battelcruisers and namesake of the class laid during the first quarter of 1925 using all available yard space for ships of size up to 55 kt. The total run of this class will constitute the entire capital ship acquisition budget for the Mexican Navy until they are ready for Sea Trials at the end of the 4th Quarter of 1926. It is expected that the class will be followed by a Battleship sporting the same 18"/50 guns but in greater numbers.

Majestuoso, Mexican Battlecruiser laid down 1925

DisplacementEdit

     52,253 t light; 55,030 t standard; 57,550 t normal; 59,566 t full load

DimensionsEdit

     Length (overall / waterline) x beam x draught (normal/deep)
     (821.05 ft / 810.00 ft) x 120.00 ft (Bulges 130.00 ft) x (36.00 / 37.06 ft)
     (250.26 m / 246.89 m) x 36.58 m (Bulges 39.62 m)  x (10.97 / 11.30 m)

ArmamentEdit

     9 - 18.00" / 457 mm 45.0 cal guns - 3,000.01lbs / 1,360.78kg shells, 100 per gun
       Breech loading guns in turret on barbette mounts, 1925 Model
       3 x 3-gun mounts on centreline ends, majority forward
           1 raised mount - superfiring
     16 - 5.00" / 127 mm 38.0 cal guns - 55.12lbs / 25.00kg shells, 250 per gun
       Dual purpose guns in deck and hoist mounts, 1926 Model
       4 x Twin mounts on sides, aft evenly spread
       4 x Twin mounts on sides, forward deck aft
     32 - 0.79" / 20.0 mm 39.0 cal guns - 0.23lbs / 0.11kg shells, 600 per gun
       Anti-air guns in deck mounts, 1922 Model
       8 x 2 row quad mounts on sides, evenly spread
     16 - 0.50" / 12.7 mm 90.0 cal guns - 0.09lbs / 0.04kg shells, 1,000 per gun
       Machine guns in deck mounts, 1909 Model
       8 x Single mounts on sides, aft deck aft
       8 x Single mounts on sides, forward deck aft
     Weight of broadside 27,891 lbs / 12,651 kg
     
     Main Torpedoes
     30 - 21.0" / 533 mm, 24.00 ft / 7.32 m torpedoes - 1.559 t each, 46.784 t total
       In 6 sets of deck mounted carriage/fixed tubes
     2nd Torpedoes
     30 - 21.0" / 533 mm, 24.00 ft / 7.32 m torpedoes - 1.559 t each, 46.784 t total
       below water reloads

ArmourEdit

- Belts:		Width (max)	Length (avg)		Height (avg)
       Main:	15.0" / 381 mm	430.00 ft / 131.06 m	17.00 ft / 5.18 m
       Ends:	Unarmoured
           Main Belt covers 82 % of normal length
           Main Belt inclined 18.00 degrees (positive = in)
     
     - Torpedo Bulkhead - Additional damage containing bulkheads:
           4.00" / 102 mm	430.00 ft / 131.06 m	35.00 ft / 10.67 m
       Beam between torpedo bulkheads 112.00 ft / 34.14 m
     
     - Hull Bulges:
           1.00" / 25 mm	430.00 ft / 131.06 m	35.00 ft / 10.67 m
     
     - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
       Main:	18.0" / 457 mm	11.0" / 279 mm		15.0" / 381 mm
       2nd:	2.00" / 51 mm	1.00" / 25 mm		1.00" / 25 mm
     
     - Armoured deck - single deck:
       For and Aft decks: 7.00" / 178 mm
       Forecastle: 1.00" / 25 mm  Quarter deck: 1.00" / 25 mm
     
- Conning towers: Forward 15.00" / 381 mm, Aft 3.00" / 76 mm

MachineryEdit

     Oil fired boilers, steam turbines, 
     Geared drive, 4 shafts, 183,727 shp / 137,060 Kw = 30.00 kts
     Range 10,000nm at 12.00 kts
     Bunker at max displacement = 4,536 tons

ComplementEdit

     1,857 - 2,415

CostEdit

     £17.044 million / $68.175 million

Distribution of weights at normal displacementEdit

     Armament: 5,273 tons, 9.2 %
       - Guns: 5,156 tons, 9.0 %
       - Weapons: 117 tons, 0.2 %
     Armour: 19,976 tons, 34.7 %
       - Belts: 4,950 tons, 8.6 %
       - Torpedo bulkhead: 2,227 tons, 3.9 %
       - Bulges: 557 tons, 1.0 %
       - Armament: 4,447 tons, 7.7 %
       - Armour Deck: 7,218 tons, 12.5 %
       - Conning Towers: 578 tons, 1.0 %
     Machinery: 5,965 tons, 10.4 %
     Hull, fittings & equipment: 21,038 tons, 36.6 %
     Fuel, ammunition & stores: 5,297 tons, 9.2 %
     Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping abilityEdit

     Survivability (Non-critical penetrating hits needed to sink ship):
       68,289 lbs / 30,975 Kg = 23.4 x 18.0 " / 457 mm shells or 10.5 torpedoes
     Stability (Unstable if below 1.00): 1.09
     Metacentric height 7.7 ft / 2.4 m
     Roll period: 19.6 seconds
     Steadiness	- As gun platform (Average = 50 %): 70 %
                       - Recoil effect (Restricted arc if above 1.00): 0.54
     Seaboat quality  (Average = 1.00): 1.00

Hull form characteristicsEdit

     Hull has a flush deck,
      a normal bow and a cruiser stern
     Block coefficient (normal/deep): 0.531 / 0.534
     Length to Beam Ratio: 6.23 : 1
     'Natural speed' for length: 28.46 kts
     Power going to wave formation at top speed: 53 %
     Trim (Max stability = 0, Max steadiness = 100): 70
     Bow angle (Positive = bow angles forward): 18.00 degrees
     Stern overhang: 0.00 ft / 0.00 m
     Freeboard (% = length of deck as a percentage of waterline length):
                                   Fore end,	 Aft end
       - Forecastle:	18.00 %,  34.00 ft / 10.36 m,  21.00 ft / 6.40 m
       - Forward deck:	32.00 %,  21.00 ft / 6.40 m,  21.00 ft / 6.40 m
       - Aft deck:	32.00 %,  21.00 ft / 6.40 m,  21.00 ft / 6.40 m
       - Quarter deck:	18.00 %,  21.00 ft / 6.40 m,  21.00 ft / 6.40 m
       - Average freeboard:		21.94 ft / 6.69 m

Ship space, strength and commentsEdit

     Space	- Hull below water (magazines/engines, low = better): 79.6 %
               - Above water (accommodation/working, high = better): 140.9 %
     Waterplane Area: 66,662 Square feet or 6,193 Square metres
     Displacement factor (Displacement / loading): 103 %
     Structure weight / hull surface area: 250 lbs/sq ft or 1,220 Kg/sq metre
     Hull strength (Relative):
           - Cross-sectional: 0.96
           - Longitudinal: 1.37
           - Overall: 1.00
     Excellent machinery, storage, compartmentation space
     Excellent accommodation and workspace room
     Ship has slow, easy roll, a good, steady gun platform

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