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Thursday, February 16th 2006, 12:19am

Coastal Defence Ships

The Armada has elected to use this tonnage for Escort Cruisers

2

Thursday, February 16th 2006, 12:19am

Moncao class

Moncao, Iberia CE laid down 1925

Moncao
Cordonazo
Levanto
Carabinera
Aquilo

Displacement:
7,782 t light; 8,235 t standard; 9,602 t normal; 10,696 t full load

Dimensions: Length overall / water x beam x draught
499.26 ft / 485.56 ft x 59.06 ft (Bulges 65.62 ft) x 16.40 ft (normal load)
152.18 m / 148.00 m x 18.00 m (Bulges 20.00 m) x 5.00 m

Armament:
6 - 9.45" / 240 mm guns (2x3 guns), 421.80lbs / 191.32kg shells, 1925 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
6 - 5.12" / 130 mm guns (2x3 guns), 67.03lbs / 30.40kg shells, 1925 Model
Breech loading guns in turrets (on barbettes)
on side, all amidships, all raised mounts - superfiring
12 - 2.24" / 57.0 mm guns (6x2 guns), 5.65lbs / 2.56kg shells, 1925 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 4 raised mounts
16 - 0.98" / 25.0 mm guns (8x2 guns), 0.48lbs / 0.22kg shells, 1925 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread, 4 raised mounts
Weight of broadside 3,008 lbs / 1,365 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.87" / 200 mm 209.25 ft / 63.78 m 13.12 ft / 4.00 m
Ends: Unarmoured
Main Belt covers 66 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7.87" / 200 mm 3.94" / 100 mm 6.89" / 175 mm
2nd: 3.94" / 100 mm 1.97" / 50 mm 3.94" / 100 mm
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - -

- Armour deck: 2.95" / 75 mm, Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 31,565 shp / 23,547 Kw = 24.00 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 2,461 tons

Complement:
484 - 630

Cost:
£2.395 million / $9.579 million

Distribution of weights at normal displacement:
Armament: 376 tons, 3.9 %
Armour: 2,769 tons, 28.8 %
- Belts: 1,003 tons, 10.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 554 tons, 5.8 %
- Armour Deck: 1,192 tons, 12.4 %
- Conning Tower: 19 tons, 0.2 %
Machinery: 1,025 tons, 10.7 %
Hull, fittings & equipment: 3,563 tons, 37.1 %
Fuel, ammunition & stores: 1,820 tons, 18.9 %
Miscellaneous weights: 50 tons, 0.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,740 lbs / 6,686 Kg = 34.9 x 9.4 " / 240 mm shells or 2.5 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 2.9 ft / 0.9 m
Roll period: 16.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.48
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.643
Length to Beam Ratio: 7.40 : 1
'Natural speed' for length: 22.04 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (20 %): 15.58 ft / 4.75 m
- Mid (50 %): 13.94 ft / 4.25 m
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 14.45 ft / 4.40 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 66.3 %
- Above water (accommodation/working, high = better): 121.1 %
Waterplane Area: 21,826 Square feet or 2,028 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 114 lbs/sq ft or 558 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.11
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform