WesWorld

Looking forward to the next year - a larger and more specialized anti-submarine vessel, intended in part to supplement the torpedo boats of the Ancon class as well as a follow-on to the River-class sloops.


Galindo, Peruvian Frigate laid down 1946

Displacement: 1,645 t light; 1,741 t standard; 2,054 t normal; 2,304 t full load

Dimensions: Length overall / water x beam x draught

354.32 ft / 344.49 ft x 36.09 ft x 12.30 ft (normal load) [108.00 m / 105.00 m x 11.00 m x 3.75 m]

Armament:

4 - 4.13" / 105 mm guns (2x2 guns), 35.32lbs / 16.02kg shells, 1946 Model Dual purpose guns in deck mounts with hoists on centerline ends, evenly spread
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1946 Model Anti-aircraft guns in deck mounts on side, evenly spread, 2 raised mounts
4 - 0.79" / 20.0 mm guns (2x2 guns), 0.24lbs / 0.11kg shells, 1946 Model Anti-aircraft guns in deck mounts on side, evenly spread, all raised mounts
Weight of broadside 155 lbs / 70 kg
Shells per gun, main battery: 600
6 - 21.0" / 533 mm above water torpedoes

Armor:

Gun armor: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.59" / 15 mm -
2nd: 0.39" / 10 mm 0.39" / 10 mm -
3rd: 0.39" / 10 mm 0.39" / 10 mm -

Conning tower: 0.98" / 25 mm

Machinery:

Diesel Internal combustion motors, Geared drive, 2 shafts, 25,985 shp / 19,385 Kw = 30.00 kts
Range 5,000nm at 18.00 kts
Bunker at max displacement = 563 tons

Complement:

152 - 198

Cost: £1.168 million / $4.671 million

Distribution of weights at normal displacement:

Armament: 19 tons, 0.9 %
Armor: 14 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 11 tons, 0.5 %
- Armor Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.2 %
Machinery: 649 tons, 31.6 %
Hull, fittings & equipment: 863 tons, 42.0 %
Fuel, ammunition & stores: 409 tons, 19.9 %
Miscellaneous weights: 100 tons, 4.9 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 2,134 lbs / 968 Kg = 60.4 x 4.1 " / 105 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 1.4 ft / 0.4 m
Roll period: 12.7 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.27
Seaboat quality (Average = 1.00): 1.44

Hull form characteristics:

Hull has rise forward of midbreak and transom stern
Block coefficient: 0.470
Length to Beam Ratio: 9.55: 1
'Natural speed' for length: 21.34 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 22.00 degrees
Stern overhang: 0.82 ft / 0.25 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.31 ft / 6.80 m
- Forecastle (20 %): 21.00 ft / 6.40 m
- Mid (50 %): 21.00 ft / 6.40 m (14.44 ft / 4.40 m aft of break)
- Quarterdeck (22 %): 14.44 ft / 4.40 m
- Stern: 14.44 ft / 4.40 m
- Average freeboard: 17.82 ft / 5.43 m

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 117.4 %
- Above water (accommodation/working, high = better): 125.1 %
Waterplane Area: 8,381 Square feet or 779 Square metres
Displacement factor (Displacement / loading): 131 %
Structure weight / hull surface area: 49 lbs/sq ft or 238 Kg/sq meter
Hull strength (Relative):
- Cross-sectional: 0.72
- Longitudinal: 4.38
- Overall: 0.87
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Breakdown of miscellaneous weight:

Anti-submarine detection equipment (ASDIC/Sonar) - 25 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
Navigation, surface search, and air search radar- 23 tons