[SIZE=1]Pic by Shin[/SIZE]
Santos de Espar Class, Brazilian Destoyer laid down 1942
Displacement:
1,650 t light; 1,746 t standard; 1,994 t normal; 2,192 t full load
Dimensions: Length overall / water x beam x draught
389.24 ft / 374.02 ft x 36.09 ft x 12.30 ft (normal load)
118.64 m / 114.00 m x 11.00 m x 3.75 m
Armament:
6 - 4.72" / 120 mm guns (3x2 guns), 52.91lbs / 24.00kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority aft, 1 raised mount aft - superfiring
6 - 1.46" / 37.0 mm guns (3x2 guns), 1.55lbs / 0.70kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread, all raised mounts
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1942 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0.79" / 20.0 mm guns (1x4 guns), 0.24lbs / 0.11kg shells, 1942 Model
Machine guns in deck mount
on centreline forward, all raised guns - superfiring
Weight of broadside 330 lbs / 150 kg
Shells per gun, main battery: 300
10 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.59" / 15 mm 0.59" / 15 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 38,300 shp / 28,572 Kw = 33.75 kts
Range 6,000nm at 15.00 kts
Bunker at max displacement = 446 tons
Complement:
148 - 193
Cost:
£1.382 million / $5.527 million
Distribution of weights at normal displacement:
Armament: 41 tons, 2.1 %
Armour: 14 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 14 tons, 0.7 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 892 tons, 44.7 %
Hull, fittings & equipment: 633 tons, 31.7 %
Fuel, ammunition & stores: 344 tons, 17.3 %
Miscellaneous weights: 70 tons, 3.5 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
654 lbs / 297 Kg = 12.4 x 4.7 " / 120 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 1.5 ft / 0.4 m
Roll period: 12.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.57
Seaboat quality (Average = 1.00): 1.09
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.420
Length to Beam Ratio: 10.36 : 1
'Natural speed' for length: 22.24 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 5.68 ft / 1.73 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.25 ft / 8.00 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (50 %): 19.69 ft / 6.00 m (11.48 ft / 3.50 m aft of break)
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 16.11 ft / 4.91 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 165.7 %
- Above water (accommodation/working, high = better): 84.0 %
Waterplane Area: 8,738 Square feet or 812 Square metres
Displacement factor (Displacement / loading): 83 %
Structure weight / hull surface area: 37 lbs/sq ft or 180 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.00
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
45t for Electronics outfit
25t for ASW equipment
Ships in Class:
- MIBN
Santos de Espar: Laid down in Rio de Janeiro in January 1942, completed December 1942.
- MIBN
Goiás: Laid down in Macapa in January 1942, completed December 1942.
- MIBN
Onça: Laid down in Macapa in January 1942, completed December 1942.
- MIBN
Leão: Laid down in Macapa in January 1942, completed December 1942.
- MIBN
Rio Grande do Sul: Laid down in Macapa in January 1942, completed December 1942.