WesWorld

This design is postulated as a potential replacement for the Capitan Valdes class destroyers of 1931, or to act as specialized antiaircraft escorts for the aircraft carrier Lima.

Peruvian Cano class Destroyer

Cano, Peruvian Destroyer laid down 1947

Displacement: 2,215 t light; 2,363 t standard; 2,598 t normal; 2,785 t full load

Dimensions: Length overall / water x beam x draught

409.37 ft / 393.70 ft x 39.37 ft x 13.12 ft (normal load) [124.78 m / 120.00 m x 12.00 m x 4.00 m]

Armament:

6 - 4.72" / 120 mm guns (3x2 guns), 52.72lbs / 23.92kg shells, 1947 Model Dual purpose guns in deck mounts with hoists on centerline ends, majority forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1947 Model Anti-aircraft guns in deck mount on centerline aft, all raised guns - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1947 Model Anti-aircraft guns in deck mounts on side, evenly spread, all raised mounts
2 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1944 Model Anti-aircraft guns in deck mounts on side, evenly spread, all raised mounts
Weight of broadside 335 lbs / 152 kg
Shells per gun, main battery: 500
10 - 21.0" / 533 mm above water torpedoes

Armor:

Gun armor: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.79" / 20 mm 0.79" / 20 mm
2nd: 0.59" / 15 mm 0.59" / 15 mm -
3rd: 0.59" / 15 mm - -

Conning tower: 1.57" / 40 mm

Machinery:

Oil fired boilers, steam turbines, Geared drive, 2 shafts, 38,604 shp / 28,799 Kw = 32.50 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 422 tons

Complement: 181 - 236

Cost: £1.791 million / $7.163 million

Distribution of weights at normal displacement:

Armament: 42 tons, 1.6 %
Armor: 26 tons, 1.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 20 tons, 0.8 %
- Armor Deck: 0 tons, 0.0 %
- Conning Tower: 6 tons, 0.2 %
Machinery: 954 tons, 36.7 %
Hull, fittings & equipment: 1,083 tons, 41.7 %
Fuel, ammunition & stores: 383 tons, 14.8 %
Miscellaneous weights: 110 tons, 4.2 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 1,738 lbs / 788 Kg = 33.0 x 4.7 " / 120 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 1.6 ft / 0.5 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 66 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.32

Hull form characteristics:

Hull has rise forward of midbreak and transom stern
Block coefficient: 0.447
Length to Beam Ratio: 10.00: 1
'Natural speed' for length: 22.79 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 28.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23.29 ft / 7.10 m
- Forecastle (20 %): 22.64 ft / 6.90 m
- Mid (50 %): 21.98 ft / 6.70 m (14.44 ft / 4.40 m aft of break)
- Quarterdeck (15 %): 14.44 ft / 4.40 m
- Stern: 14.44 ft / 4.40 m
- Average freeboard: 18.49 ft / 5.64 m

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 138.7 %
- Above water (accommodation/working, high = better): 108.3 %
Waterplane Area: 10,245 Square feet or 952 Square meters
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 52 lbs/sq ft or 255 Kg/sq meter
Hull strength (Relative):
- Cross-sectional: 0.67
- Longitudinal: 3.27
- Overall: 0.79
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily

Reserved for air warning radar - 12 tons
Reserved for surface search radar -12 tons
Reserved for fire control radar - 16 tons
Reserved for AS detection equipment - 15 tons
Two depth charge racks for 100 kg depth charges - 10 tons each - 20 tons
Four depth charge projectors for 100 kg depth charges - 5 tons each - 20 tons
One hundred twenty depth charges (twenty attacks) - 12 tons

Looks good to me.