WesWorld

Krovona Class
Sold to Bulgaria in 1939
- Krovona
- Zebmude
- Kars
- Susuna
- Frona

Baltica Class
- Baltica I
- Baltica II

Afrika Class
- Courland
- Gambia
- St. Andrew
- St. Mary
- Jacob Fort
- Fort Jillifree

Continental Class
- Oceania
- Amerika
- Asia
- Europa
- Antarctika

The new miniture submarine's of the Latvian Navy. These ships have been built to fuiltify the requirments of the subchaser training fleet, to serve as coastal defense ships, and to serve as harbor assault ships.

Baltica, Latvian Minisub laid down 1938

Displacement:
25 t light; 28 t standard; 32 t normal; 35 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(42.45 ft / 42.45 ft) x 8.00 ft x (6.00 / 6.45 ft)
(12.94 m / 12.94 m) x 2.44 m x (1.83 / 1.97 m)

Armament:
2 - 21.0" / 533 mm, 2.000 ft / 4.57 m torpedoes - 1.700 t each, 3.400 t total
In 2 sets of submerged bow tubes

Machinery:
Petrol Internal combustion generators plus batteries,
Electric motors, 1 shaft, 356 shp / 266 Kw = 14.00 kts
Range 1,450nm at 10.00 kts
Bunker at max displacement = 7 tons

Complement:
6 - 8

Cost:
£0.013 million / $0.051 million

Distribution of weights at normal displacement:
Armament: 2 tons, 6.7 %
- Torpedoes: 2 tons, 6.7 %
Machinery: 10 tons, 30.5 %
Hull, fittings & equipment: 7 tons, 22.1 %
Fuel, ammunition & stores: 7 tons, 20.4 %
Miscellaneous weights: 7 tons, 20.3 %
- Hull void weights: 6 tons
- On freeboard deck: 1 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
-10 lbs / -5 Kg = -0.1 x 6 " / 152 mm shells or NaN torpedoes
Stability (Unstable if below 1.00): 1.26
Metacentric height 0.2 ft / 0.1 m
Roll period: 8.1 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,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.559
Length to Beam Ratio: 5.31 : 1
'Natural speed' for length: 6.52 kts
Power going to wave formation at top speed: 83 %
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 (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 0.00 ft / 0.00 m, 0.00 ft / 0.00 m
- Forward deck: 30.00 %, 0.00 ft / 0.00 m, 0.00 ft / 0.00 m
- Aft deck: 35.00 %, 0.00 ft / 0.00 m, 0.00 ft / 0.00 m
- Quarter deck: 15.00 %, 0.00 ft / 0.00 m, 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): -180.7 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 230 Square feet or 21 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 19 lbs/sq ft or 91 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.46
- Longitudinal: 3.76
- Overall: 1.60
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

.5t deck weight: 1 single 23 mm gun and 1,000 rounds of ammo.

Krovona, Latvian Submarine laid down 1932

Displacement:
300 t light; 310 t standard; 328 t normal; 342 t full load

Dimensions: Length overall / water x beam x draught
141.08 ft / 141.08 ft x 15.75 ft x 11.48 ft (normal load)
43.00 m / 43.00 m x 4.80 m x 3.50 m

Armament:
1 - 2.99" / 76.0 mm guns in single mounts, 15.43lbs / 7.00kg shells, 1932 Model
Quick firing gun in a deck mount with hoist
on centreline forward
1 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft gun in deck mounts with hoists
on centreline, all aft
1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine gun in deck mounts
on side, evenly spread
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 300
4 - 20.9" / 530 mm above water torpedoes, 4 - 20.9" / 530 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion generators plus batteries,
Electric motors, 1 shaft, 887 shp / 661 Kw = 15.00 kts
Range 2,500nm at 10.00 kts
Bunker at max displacement = 33 tons

Complement:
19 - 25

Cost:
£0.072 million / $0.286 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.6 %
Machinery: 26 tons, 8.0 %
Hull, fittings & equipment: 187 tons, 57.1 %
Fuel, ammunition & stores: 28 tons, 8.4 %
Miscellaneous weights: 85 tons, 25.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29 lbs / 13 Kg = 2.1 x 3.0 " / 76 mm shells or 0.1 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 0.3 ft / 0.1 m
Roll period: 11.5 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: 0.450
Length to Beam Ratio: 8.96 : 1
'Natural speed' for length: 11.88 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 25
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): 241.5 %
- Above water (accommodation/working, high = better): 0.0 %
Waterplane Area: 1,350 Square feet or 125 Square metres
Displacement factor (Displacement / loading): 215 %
Structure weight / hull surface area: 82 lbs/sq ft or 401 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.31
- Longitudinal: 3.13
- Overall: 3.17
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform

Normal Operation Depth: 317 feet
Emergancy Depth: 571 feet
Crush Depth: 793 feet

Afrika Class Submarines (ex-Yugoslavian(ex-SAE))

Length, 55.8 m x Beam, 5.8 m x Depth, 3.75 m
482 tonnes standard (635 tonnes submerged)
Diving Depth: 75 m
Main battery: 1 x 10.5-cm
5 TT (10), 50 cm
Maximum speed 13.5 knots surfaced
Maximum speed 7.5 knots submerged
Approximate cruising radius, 7500 nm / 6 knots surfaced
Approximate cruising radius, 55 nm / 4 knots submerged
Typical complement: 26-33
Oil firing
Magazines and engineering spaces are cramped, with poor watertight subdivision
Main deck guns subject to being washed down in a seaway

Continental Class of Coastal Submarines

Date: 1940
Coastal
Armament 1x3" DP, 2x25 mm machine guns
ElecHP: 850 hp
DieselHP: 1600 hp
CREW: 27
wt fuel&batts: 167t
Light Displacement 448t
Loaded Displacement 506t
Full Displacement 559t
Reserve buoyancy: 10%
Max Surf Speed: 15.1 knots
Max Sub Speed: 8.5 knots

Length: 54.0 meters
Beam: 5.0 meters
Draft: 4.15 meters
Crush depth: 212.5 meters
#TT 6 x 533mm (4 bow, 2 stern) (2 reload torpedoes per tube, 12 total. 4 torpedoes simmed as mines, stored aft. 8 torpedoes simmed as part of misc weight, stored forwards.)
Mines: 6 tons (used to simulate four torpedoes, NOT mines)
Tons Oil: 50.0t
Tons Battery: 119.0t
Miscellaneous Weight: 20 tons

Surface Range: 3916nm@12 knots
Submerged Range: 100nm@5 knots