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1

Monday, May 19th 2003, 10:43pm

Iberian Royal Yacht

Here are the technical data:

Aguila, Iberia Royal Yacht laid down 1920

Displacement:
7,721 t light; 7,983 t standard; 9,215 t normal; 10,164 t full load
Loading submergence 609 tons/feet

Dimensions:
574.15 ft x 61.35 ft x 19.36 ft (normal load)
175.00 m x 18.70 m x 5.90 m

Armament:
8 - 6.00" / 152 mm guns (2 Main turrets x 4 guns)
12 - 2.24" / 57 mm AA guns
Weight of broadside 932 lbs / 423 kg

Armour:
Belt 2.95" / 75 mm, ends unarmoured
Belts cover 100 % of normal area
Main turrets 2.95" / 75 mm, AA gun shields 0.02" / 1 mm,
Armour deck 1.38" / 35 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 54,660 shp / 40,776 Kw = 29.00 kts
Range 9,000nm at 15.00 kts

Complement:
470 - 611

Cost:
£1.502 million / $6.010 million

Distribution of weights at normal displacement:
Armament: 116 tons, 1.3 %
Armour: 1,121 tons, 12.2 %
Belts: 427 tons, 4.6 %, Armament: 150 tons, 1.6 %, Armour Deck: 544 tons, 5.9 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 1,911 tons, 20.7 %
Hull, fittings & equipment: 3,372 tons, 36.6 %
Fuel, ammunition & stores: 1,494 tons, 16.2 %
Miscellaneous weights: 1,200 tons, 13.0 %

Metacentric height 2.9

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.10
Shellfire needed to sink: 12,094 lbs / 5,486 Kg = 112.0 x 6.0 " / 152 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.7
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 83 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.28
Relative quality as seaboat: 1.42

Hull form characteristics:
Block coefficient: 0.473
Sharpness coefficient: 0.33
Hull speed coefficient 'M': 8.37
'Natural speed' for length: 23.96 kts
Power going to wave formation at top speed: 51 %
Trim: 58
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 91.7 %
Relative accommodation and working space: 170.2 %
(Average = 100%)
Displacement factor: 130 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.96
(Structure weight / hull surface area: 95 lbs / square foot or 464 Kg / square metre)
Relative longitudinal hull strength: 1.37
(for 19.69 ft / 6.00 m average freeboard, freeboard adjustment 4.79 ft)
Relative composite hull strength: 1.00

Player:
This very controversial ship is Iberia's Royal Yacht.

King Enrique himself forced the quad turrets and this ship on the admiralty against strong protests. The turrets are dual cradle ones. Parliament went amok but could not stop the construction since HM is paying for 50% of it out of his own purse. One of the main objections is against building a worthless light cruiser that counts under the Treaty of Cleito limitations. The ship is too slow, doesn't carry torpedoes and not enough AAA. The 1200 ts of luxury accommodations really screw the design up ;-)

The 57 mm are triplets

In a way it is an experimental vessel to try out new ideas. This really is the reason why the admiralty agreed to "The King's toy". Ideas can be validated without tying up major fleet units.

The looks of the ship should be imagined as follows:
3 storey deckhouse
2 raked funnels
colour scheme yellow with black hull like vicorian warships and classic yachts
Eagle figurehead
goldwork bow and stern
stern gallery (like HMS RoyalSovereign)

Ok folks, beat me and build something weirder :-))

2

Saturday, September 13th 2003, 1:26pm

...
You know, I was looking at the Aguila design and then noticed this:

AA gun shields 0.02" / 1 mm

Could this be another act of sabotage?

Walter

3

Sunday, September 14th 2003, 9:31pm

$/&6%$/&/%/%$&%/$ !!!!!!!

Dem bastards are everwhere, I'm tellin' yah!

Bernhard "back to the drawing board"

4

Sunday, September 14th 2003, 9:39pm

Well, at least those 20 inch shields gave you some protection, but I doubt 1 millimeter of armor will give you any protection.

Walter