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1

Sunday, January 11th 2009, 3:44am

Submarines

Summary
The Chilean Navy Submarine Force draws its founding legend back to the Chincha Islands War in 1866, when the Navy commissioned a submarine built by Karl Flach for the defense of Valparaiso. The Flach Submarine inauspiciously sank on it's first voyage, as did the second submarine. The submarine force was refounded in the 1900s with the acquisition of American-built H-class submarines, and in the 1930s was strengthened with progressively larger and newer boats.

Index of Classes and Vessels
Capitan O'Brien-class Submarines
- Capitan O'Brien (H7) - 1930
- Capitan Martinez (H8) - 1930

Union-class Submarine
- Union (H9) - 1938
- Flach (H10) - 1938

Gualcolda-class Fleet Submarine
- Gualcolda (SS-01) - 1939
- Tegualda (SS-02) - 1939
- Rucumilla (SS-03) - 1939
Further vessels planned

Lautaro-class Cruiser Submarine
- Lautaro (SM-01) - 1939
- Caupolicán (SM-02) - 1940

Héroe-class Training Submarine
- Héroe (SST-01) - 1940

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Sunday, January 11th 2009, 3:53am

Capitan O'Brien-class Submarine


Drawing originally by Wes/thesmilingassassin.

Capitan O'Brien-class, Atlantean Submarine laid down 1930 (Atlantis built)

Displacement:
1,013 t light; 1,042 t standard; 1,157 t normal; 1,250 t full load

Dimensions: Length overall / water x beam x draught
219.00 ft / 219.00 ft x 24.50 ft x 15.10 ft (normal load)
66.75 m / 66.75 m x 7.47 m x 4.60 m

Armament:
2 - 3.95" / 100 mm guns in single mounts, 30.81lbs / 13.98kg shells, 1930 Model
Breech loading guns in deck mounts
on centreline, all forward
1 - 1.58" / 40.0 mm guns in single mounts, 1.95lbs / 0.89kg shells, 1930 Model
Anti-aircraft gun in deck mount
on centreline aft, 1 raised gun
2 - 0.79" / 20.0 mm guns (1x2 guns), 0.24lbs / 0.11kg shells, 1930 Model
Anti-aircraft guns in deck mount
on centreline amidships, all raised guns - superfiring
4 - 0.50" / 12.7 mm guns (2x2 guns), 0.06lbs / 0.03kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 64 lbs / 29 kg
Shells per gun, main battery: 150
6 - 21.0" / 533.4 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 2 shafts, 2,729 shp / 2,036 Kw = 17.05 kts
Range 5,200nm at 12.00 kts
Bunker at max displacement = 208 tons

Complement:
98 - 128

Cost:
£0.225 million / $0.900 million

Distribution of weights at normal displacement:
Armament: 8 tons, 0.7 %
Machinery: 83 tons, 7.1 %
Hull, fittings & equipment: 702 tons, 60.7 %
Fuel, ammunition & stores: 144 tons, 12.5 %
Miscellaneous weights: 220 tons, 19.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
646 lbs / 293 Kg = 21.0 x 4.0 " / 100 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 0.8 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: 0.500
Length to Beam Ratio: 8.94 : 1
'Natural speed' for length: 14.80 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 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): 95.0 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 3,575 Square feet or 332 Square metres
Displacement factor (Displacement / loading): 257 %
Structure weight / hull surface area: 132 lbs/sq ft or 647 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.93
- Longitudinal: 2.44
- Overall: 2.75
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

Diving Capabilities:
Operational diving depth: 275 feet (82.5 metres)
Emergency diving depth: 440 feet (132 metres)
Crush depth: 687.5 feet (206.25 metres)

Ships in Class:
- Capitan O'Brien (H7) - 1930
- Capitan Martinez (H8) - 1930

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Sunday, January 11th 2009, 3:59am

Union-class Submarines


Drawing by RedAdmiral and modified by me.

Submarine Union (H9)
Sim by Red Admiral; Built in Italy

Date 1938
Oceanic
Armament 1x 100/35, 1x 25
ElecHP 1600
DieselHP 1800
CREW 32
wt fuel&batts 230
Light Displacement 786
Loaded Displacement 936
Full Displacement 1103
res buoyancy 15%
Max Surf Spd 14.1knts
Max Sub Spd 11.4knts

L 70.0m
Beam 6.3m
D 5.0m
Crush depth 300
#TT 4 x 21" (4 bow, 8 reloads)
Tons Oil 150.0
Tons Battery 80.0

Surface Range 11600@10knts
Underwater range 150@4knts or 10@10knts

Ships in Class:
- Union (H9) - Ordered 1938
- Flach (H10) - Ordered 1938

4

Sunday, November 22nd 2009, 3:38am


Thanks to Darth Panda for permission to scavenge the pieces for this drawing.

Gualcolda-class Submarine
As completed.

Date: 1940
Ocean
Armament 2x 1.1" AA
ElecHP: 4725hp
DieselHP: 6750hp
CREW: 66
wt fuel&batts: 680t
Light Displacement 1,470t
Loaded Displacement 1,874t
Full Displacement 2,299t
Reserve buoyancy: 18%
Max Surf Speed: 18.4 knots
Max Sub Speed: 11.0 knots

Length: 95.0m
Beam: 8.8m
Draft: 5.5m
Crush depth: 300m
#TT 8 x 533mm (6 bow, 2 stern)
Mines: 24 tons (16 reload torpedoes simmed as mines)
Tons Oil: 380.0t
Tons Battery: 300.0t
Miscellaneous Weight: 38 tons (including 2t for dradis and fallax)

Surface Range: 12268nm@12 knots
Submerged Range: 62nm@6 knots

Ships in Class:
- Gualcolda (SS-01) - 1939
- Tegualda (SS-02) - 1939
- Rucumilla (SS-03) - 1939
Further vessels planned, but cancelled.

Notes:
Engines consist of four linked 675hp electric motors and four 2,250hp B+W/Austral diesels.

5

Thursday, May 6th 2010, 4:04pm


Lautaro-class Minelayer Submarine

Date 1939
Oceanic
Armament 2x 150mm, 2x40
ElecHP 2,500hp
DieselHP 22,000hp
CREW 141
wt fuel&batts 1300t
Light Displacement 2510t
Loaded Displacement 3240t
Full Displacement 3751t
res buoyancy 14%
Max Surf Spd: 24.4 knots
Max Sub Spd: 8 knots

Length: 110.0m
Beam: 11.0m
Draft: 6.2m
Crush depth: 250m
#TT 6 x 21" (6 bow, 20 reloads)
Mines: 60 (launched from 40" "torpedo tubes" astern)
Tons Oil: 650.0t
Tons Battery: 650.0t
Tons Miscellaneous: 52t (47.5t for other 2nd 150mm deck gun, 2.5t for 40mm AA, 2t for dradis and fallax)

Surface Range 21,444nm@10 knots or 9,531nm@15 knots
Underwater range 271nm@4 knots or 50nm@8 knots

Ships in Class:
- Lautaro (SM-01) - 1939
- Caupolicán (SM-02) - 1940

6

Thursday, May 6th 2010, 4:04pm

Chilean Héroe-class Training Submarine
Cross-posted from Training Ships.

The small submarine Héroe was laid down in January 1940 to serve as a training vessel for the Submarine Flotilla, as well as a testbed boat for new technologies. The Héroe carried a single 21" torpedo tube used both for weapons testing and launching simulated torpedo attacks against practice targets. There is no provision for reloads. The Héroe has an lock-in/lock-out hatch permitting divers to enter or leave the submarine during emergencies.

As the Héroe was never intended as a war boat, it had limited range and speed capabilities, appropriate to its intended use.

Date 1940
Coastal
Armament 1x21" torpedo tube
ElecHP 675
DieselHP 1400
CREW 20
wt fuel&batts 120t
Light Displacement 325t
Loaded Displacement 365t
Full Displacement 405t
res buoyancy 10%
Max Surf Spd 15.2 knots
Max Sub Spd 8.5 knots

Length: 45.0m
Beam: 4.5m
Draft: 4.0m
Crush depth: 212.5m
#TT 1 x 21" (forward)
Mines: 0 tons
Tons Oil: 40.0t
Tons Battery: 80.0t
Miscellaneous Weight: 33 tons

Surface Range 3,472@12 knots
Underwater range 50@6 knots

Ships in Class:
- Héroe (ST-01) - 1940