Here is the final spec to which the Cordoba will complete. Another standard Mendoza will be built next year. She has the new 115mm DP mount and fire-control system.
Mendoza No 6 (Cordoba), Argentina Destroyer laid down 1932
Displacement:
1,736 t light; 1,834 t standard; 2,030 t normal; 2,187 t full load
Dimensions: Length overall / water x beam x draught
369.19 ft / 361.55 ft x 33.79 ft x 13.78 ft (normal load)
112.53 m / 110.20 m x 10.30 m x 4.20 m
Armament:
6 - 4.53" / 115 mm guns (3x2 guns), 55.12lbs / 25.00kg shells, 1932 Model
Breech loading guns in deck mounts with hoists
on centreline, evenly spread, 1 raised mount
Aft Main mounts separated by engine room
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
6 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 338 lbs / 153 kg
Shells per gun, main battery: 300
8 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.98" / 25 mm 1.97" / 50 mm
2nd: 0.39" / 10 mm - -
3rd: 0.47" / 12 mm - -
- Conning tower: 2.76" / 70 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 40,800 shp / 30,437 Kw = 34.02 kts
Range 4,200nm at 15.00 kts
Bunker at max displacement = 353 tons
Complement:
150 - 196
Cost:
£1.049 million / $4.197 million
Distribution of weights at normal displacement:
Armament: 36 tons, 1.8 %
Armour: 35 tons, 1.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 26 tons, 1.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 10 tons, 0.5 %
Machinery: 1,000 tons, 49.3 %
Hull, fittings & equipment: 620 tons, 30.5 %
Fuel, ammunition & stores: 294 tons, 14.5 %
Miscellaneous weights: 45 tons, 2.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
575 lbs / 261 Kg = 12.4 x 4.5 " / 115 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 1.5 ft / 0.5 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.57
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.422
Length to Beam Ratio: 10.70 : 1
'Natural speed' for length: 21.80 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 48
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (20 %): 20.34 ft / 6.20 m
- Mid (52 %): 20.34 ft / 6.20 m (10.50 ft / 3.20 m aft of break)
- Quarterdeck (15 %): 10.50 ft / 3.20 m
- Stern: 10.50 ft / 3.20 m
- Average freeboard: 15.67 ft / 4.78 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 176.7 %
- Above water (accommodation/working, high = better): 84.7 %
Waterplane Area: 7,919 Square feet or 736 Square metres
Displacement factor (Displacement / loading): 73 %
Structure weight / hull surface area: 37 lbs/sq ft or 182 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.25
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped