WesWorld

San Cristobal, Iberia Troopship laid down 1931

Displacement:
7,432 t light; 7,631 t standard; 9,100 t normal; 10,275 t full load

Dimensions: Length overall / water x beam x draught
600.00 ft / 600.00 ft x 66.00 ft x 15.00 ft (normal load)
182.88 m / 182.88 m x 20.12 m x 4.57 m

Armament:
4 - 5.12" / 130 mm guns in single mounts, 67.03lbs / 30.41kg shells, 1931 Model
Quick firing guns in deck mounts
on side ends, evenly spread
12 - 1.46" / 37.0 mm guns (6x2 guns), 1.55lbs / 0.70kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 287 lbs / 130 kg
Shells per gun, main battery: 100

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 14,001 shp / 10,444 Kw = 20.00 kts
Range 12,000nm at 15.00 kts
Bunker at max displacement = 2,644 tons

Complement:
465 - 605

Cost:
£1.522 million / $6.089 million

Distribution of weights at normal displacement:
Armament: 36 tons, 0.4 %
Armour: 24 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 24 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 419 tons, 4.6 %
Hull, fittings & equipment: 3,453 tons, 37.9 %
Fuel, ammunition & stores: 1,668 tons, 18.3 %
Miscellaneous weights: 3,500 tons, 38.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
23,824 lbs / 10,806 Kg = 355.4 x 5.1 " / 130 mm shells or 3.1 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 3.4 ft / 1.0 m
Roll period: 15.1 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.91

Hull form characteristics:
Hull has low forecastle, rise forward of midbreak
Block coefficient: 0.536
Length to Beam Ratio: 9.09 : 1
'Natural speed' for length: 24.49 kts
Power going to wave formation at top speed: 32 %
Trim (Max stability = 0, Max steadiness = 100): 37
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: 28.00 ft / 8.53 m
- Forecastle (15 %): 24.00 ft / 7.32 m (32.00 ft / 9.75 m aft of break)
- Mid (50 %): 32.00 ft / 9.75 m (16.00 ft / 4.88 m aft of break)
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 23.04 ft / 7.02 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 60.6 %
- Above water (accommodation/working, high = better): 259.5 %
Waterplane Area: 26,395 Square feet or 2,452 Square metres
Displacement factor (Displacement / loading): 196 %
Structure weight / hull surface area: 84 lbs/sq ft or 411 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.37
- 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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

3500 tons Misc. weight
500 tons = 12 assault boats
1000 tons = 500 Marines
300 tons = Workshops and lifting gear
1500 tons = Stores
200 tons = Command & Control Facilities

San Cristobal(a), Iberia Troopship laid down 1931

Displacement:
7,469 t light; 7,668 t standard; 9,150 t normal; 10,335 t full load

Dimensions: Length overall / water x beam x draught
590.55 ft / 590.55 ft x 65.62 ft x 14.76 ft (normal load)
180.00 m / 180.00 m x 20.00 m x 4.50 m

Armament:
4 - 5.12" / 130 mm guns in single mounts, 67.03lbs / 30.40kg shells, 1931 Model
Quick firing guns in deck mounts
on side ends, evenly spread
12 - 1.46" / 37.0 mm guns (6x2 guns), 1.55lbs / 0.70kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 287 lbs / 130 kg
Shells per gun, main battery: 100

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 14,198 shp / 10,592 Kw = 20.00 kts
Range 12,000nm at 15.00 kts
Bunker at max displacement = 2,667 tons

Complement:
467 - 608

Cost:
£1.531 million / $6.126 million

Distribution of weights at normal displacement:
Armament: 36 tons, 0.4 %
Armour: 24 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 24 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 425 tons, 4.6 %
Hull, fittings & equipment: 3,484 tons, 38.1 %
Fuel, ammunition & stores: 1,681 tons, 18.4 %
Miscellaneous weights: 3,500 tons, 38.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
25,285 lbs / 11,469 Kg = 377.2 x 5.1 " / 130 mm shells or 3.2 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 3.8 ft / 1.2 m
Roll period: 14.2 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has low forecastle, rise forward of midbreak
Block coefficient: 0.560
Length to Beam Ratio: 9.00 : 1
'Natural speed' for length: 24.30 kts
Power going to wave formation at top speed: 33 %
Trim (Max stability = 0, Max steadiness = 100): 25
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: 27.89 ft / 8.50 m
- Forecastle (15 %): 24.61 ft / 7.50 m (32.81 ft / 10.00 m aft of break)
- Mid (50 %): 32.81 ft / 10.00 m (16.40 ft / 5.00 m aft of break)
- Quarterdeck (15 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 23.57 ft / 7.19 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 60.5 %
- Above water (accommodation/working, high = better): 266.1 %
Waterplane Area: 26,515 Square feet or 2,463 Square metres
Displacement factor (Displacement / loading): 196 %
Structure weight / hull surface area: 84 lbs/sq ft or 410 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.50
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

3500 tons Misc. weight
500 tons = 12 assault boats
1000 tons = 500 Marines
300 tons = Workshops and lifting gear
1500 tons = Stores
200 tons = Command & Control Facilities