WesWorld

ARA Salta
ARA Santiago Del Estero
ARA Spiro
ARA San Rafael
ARA Santa Rosa
ARA Sante Fe
[The original Sante Fe was sunk 28/03/35 and replaced by a new boat]

Type P German Submarine laid down 1931 and Argentine production
Sim by Hrolf Hakonson

Displacement:
973 t light; 998 t standard; 1,081 t normal; 1,147 t full load

Dimensions: Length overall / water x beam x draught
228.02 ft / 226.38 ft x 24.61 ft x 14.76 ft (normal load)
69.50 m / 69.00 m x 7.50 m x 4.50 m

Armament:
1 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1931 Model
Quick firing gun in deck mount
on centreline aft
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1931 Model
Anti-aircraft gun in deck mount
on centreline forward
2 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1931 Model
Breech loading guns in deck mounts
on centreline, all amidships
Weight of broadside 37 lbs / 17 kg
Shells per gun, main battery: 150
6 - 21.0" / 533.4 mm submerged torpedo tubes

Armour:

- Conning tower: 0.79" / 20 mm

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 2 shafts, 2,009 shp / 1,498 Kw = 16.00 kts
Range 6,000nm at 10.00 kts
Bunker at max displacement = 150 tons

Complement:
93 - 122

Cost:
£0.202 million / $0.810 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0.4 %
Armour: 2 tons, 0.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.2 %
Machinery: 60 tons, 5.6 %
Hull, fittings & equipment: 686 tons, 63.5 %
Fuel, ammunition & stores: 108 tons, 10.0 %
Miscellaneous weights: 220 tons, 20.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
697 lbs / 316 Kg = 19.7 x 4.1 " / 105 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 0.7 ft / 0.2 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.460
Length to Beam Ratio: 9.20 : 1
'Natural speed' for length: 15.05 kts
Power going to wave formation at top speed: 43 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 81.8 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 3,583 Square feet or 333 Square metres
Displacement factor (Displacement / loading): 285 %
Structure weight / hull surface area: 130 lbs/sq ft or 635 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.95
- Longitudinal: 2.29
- Overall: 2.62
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

4 tubes are forward, 2 aft. 8 reload torpedoes forward, 2 aft.

20 tons of the miscellaneous tonnage is for 10 reload torpedoes.

ARA Capitan Valles (ex-U11)
ARA Capitan Jones (ex-U12)

Type I, Germany U-boat laid down 1930 brought from Germany in 1940

Displacement: 414 t light; 424 t standard; 458 t normal; 485 t full load

Dimensions: Length overall / water x beam x draught

165.68 ft / 164.04 ft x 19.69 ft x 11.81 ft (normal load) [50.50 m / 50.00 m x 6.00 m x 3.60 m]

Armament:

1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1930 Model Anti-aircraft gun in deck mount on centreline aft
2 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1929 Model Machine guns in deck mounts on centreline, all amidships
Weight of broadside 2 lbs / 1 kg
Shells per gun, main battery: 450
4 - 21.0" / 533.4 mm submerged torpedo tubes

Armour:

Conning tower: 0.79" / 20 mm

Machinery:

Diesel Internal combustion generators plus batteries, Electric motors, 2 shafts, 1,019 shp / 760 Kw = 15.00 kts
Range 2,500nm at 12.00 kts
Bunker at max displacement = 61 tons

Complement: 49 - 64

Cost: £0.080 million / $0.318 million

Distribution of weights at normal displacement:

Armament: 0 tons, 0.1 %
Armour: 1 tons, 0.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.2 %
Machinery: 31 tons, 6.7 %
Hull, fittings & equipment: 282 tons, 61.6 %
Fuel, ammunition & stores: 44 tons, 9.5 %
Miscellaneous weights: 100 tons, 21.8 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 239 lbs / 108 Kg = 154.6 x 1.5 " / 37 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 0.5 ft / 0.2 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 0.00

Hull form characteristics:

Hull has a flush deck
Block coefficient: 0.420
Length to Beam Ratio: 8.33: 1
'Natural speed' for length: 12.81 kts
Power going to wave formation at top speed: 47 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0.00 ft / 0.00 m
- Forecastle (20 %): 0.00 ft / 0.00 m
- Mid (50 %): 0.00 ft / 0.00 m
- Quarterdeck (15 %): 0.00 ft / 0.00 m
- Stern: 0.00 ft / 0.00 m
- Average freeboard: 0.00 ft / 0.00 m
Ship tends to be wet forward

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 98.9 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 2,013 Square feet or 187 Square metres
Displacement factor (Displacement / loading): 278 %
Structure weight / hull surface area: 95 lbs/sq ft or 463 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.64
- Longitudinal: 2.71
- Overall: 2.92
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

All tubes are forward.

12 tons of the miscellaneous tonnage are for 8 reload torpedoes.

Built by Japan

Class Names: ARA Salta, Santiago del Estero, Spiro, San Rafael, Santa Rosa and Sante Fe

S Class (design as built)
Date: 1947
Type: Oceanic
Length: 79.0m
Beam: 7.3m
Draft: 8.1m
Crush depth: 317.5m
Light Displacement 1666t
Loaded Displacement 2104t
Full Displacement 2336t
wt fuel&batts: 620t
Reserve buoyancy: 10%

Armament:
- 6 x 533mm (bow)
- 2x 20mm Machineguns (1 from sim, 1 from misc weights)
- 48 tons for mines or reload torpedoes
ElecHP: 3800hp
DieselHP: 7200hp
Speed:
- Max Surf Speed: 18.1 knots
- Max Sub Speed: 14.5 knots
Range:
- Surfaced: 16,159nm@10 knots
- Submerged: 231nm@5 knots
Tons Oil: 390.0t
Tons Battery: 230.0t
Miscellaneous Weight: 130 tons

Crew: 70


- 24x Type 3 torpedoes reloads (= 48 tons for mines or reload torpedoes; torpedoes not included in delivery)
- Main electric engines output: 3,600 shp.
- Silent running engines output: 200 shp.
- Actual submerged speed: (silent running electric engines) 5.4 knots, (main electric engines) 14.2 knots
- 130 tons Miscellaneous weights breakdown:


--- 23 tons for electric torpedo reloading system
--- 10 tons for Ninjatousaya System
--- 50 tons for sonar, hydrophones and radar
--- 17 tons for air condition system
--- 17 tons for damage control and fire suppression systems
--- 2 tons for deep freeze unit
--- 1 tons for extra 20mm MG
--- 5 tons for desalinization gear
--- 5 tons for various

Changes by the Japanese to the original submitted design:
- Damage control and fire suppression systems added.
- Desalinization gear added.
- Storage for 6 extra torpedoes in the torpedo room.
- Addition of 200 hp silent running electric engines.
- 1375 nm extra range while surfaced.

Project 724 Capitan de Valles Class

Date: 1949
Coastal
Armament:
- Guns: 1x 20mm M1941
- Torpedoes: 4x 21in torpedo tubes (all fore)
- Mines: 8 (simming 4x reload torpedoes)
Electric HP: 3,000hp
Diesel HP: 1,500hp
Crew: 45
Weight fuel & batts: 315 tons
Light Displacement: 914 tons
Loaded Displacement/Kerb Weight: 987 tons
Full Displacement: 1,092 tons
Reserve buoyancy: 10%
Max Surf Speed: 13.0 knots
Max Sub Speed: 15.8 knots

Length: 65.0 m
Beam: 6.0 m
Draft: 5.6 m
Crush depth: 225 m
Tons Oil: 65 tons
Tons Battery: 250 tons
Cruise speed: 12 knots
Submerged speed: 6 knots
Surface Range: 3,291nm@12 knots
Submerged Range: 290nm@6 knots

Notes: 75 tons miscellaneous weight for radar, ASDIC, hydrophones, air conditioning equipment