WesWorld

Baltkreivija Class
- Baltkreivija
- Torpeda
- Kugis
- Mina
- Uzvara
- Toreila

Khoyski Class
Removed from service in 1939
- Khoyski
- Rasulzade
- Bakikhanov
- Kazembek

Due to a deal with Azerbaijan, four torpedo boats were traded for one Latvian coastal submarine. These are the torpedo boats, after refit. Pre-refit version can be found here: Khoyski class torpedo boats


Khoyski, Latvia coastal escort, laid down 1909 (Engine 1938)

Displacement:
410 t light; 431 t standard; 457 t normal; 479 t full load

Dimensions: Length overall / water x beam x draught
230.00 ft / 230.00 ft x 23.20 ft x 10.00 ft (normal load)
70.10 m / 70.10 m x 7.07 m x 3.05 m

Armament:
4 - 2.56" / 65.0 mm guns (2x2 guns), 8.39lbs / 3.81kg shells, 1939 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread
4 - 2.56" / 65.0 mm guns in single mounts, 8.39lbs / 3.81kg shells, 1939 Model
Dual purpose guns in deck mounts
on side, evenly spread
4 - 0.91" / 23.1 mm guns in single mounts, 0.38lbs / 0.17kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 69 lbs / 31 kg
Shells per gun, main battery: 250
3 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 12,874 shp / 9,604 Kw = 29.78 kts
Range 1,500nm at 14.00 kts
Bunker at max displacement = 48 tons

Complement:
49 - 64

Cost:
£0.052 million / $0.207 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1.9 %
Machinery: 216 tons, 47.2 %
Hull, fittings & equipment: 161 tons, 35.1 %
Fuel, ammunition & stores: 47 tons, 10.3 %
Miscellaneous weights: 25 tons, 5.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
155 lbs / 70 Kg = 18.4 x 2.6 " / 65 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.27
Metacentric height 0.9 ft / 0.3 m
Roll period: 10.5 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.17
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.300
Length to Beam Ratio: 9.91 : 1
'Natural speed' for length: 15.17 kts
Power going to wave formation at top speed: 66 %
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: 16.68 ft / 5.08 m
- Forecastle (20 %): 10.00 ft / 3.05 m
- Mid (50 %): 10.00 ft / 3.05 m (9.50 ft / 2.90 m aft of break)
- Quarterdeck (15 %): 9.00 ft / 2.74 m
- Stern: 9.00 ft / 2.74 m
- Average freeboard: 10.12 ft / 3.09 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 174.0 %
- Above water (accommodation/working, high = better): 78.4 %
Waterplane Area: 3,429 Square feet or 319 Square metres
Displacement factor (Displacement / loading): 57 %
Structure weight / hull surface area: 24 lbs/sq ft or 117 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 3.05
- Overall: 0.60
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped

6 tons-3 torpedoes
15 tons-50 depth charges

Latvian Torpedo Boat laid down 1934
Baltkreivija, Torpeda, Kugis, Mina, Uzvara, Toreila

Displacement:
549 t light; 570 t standard; 634 t normal; 685 t full load

Dimensions: Length overall / water x beam x draught
229.56 ft / 223.75 ft x 21.00 ft x 11.81 ft (normal load)
69.97 m / 68.20 m x 6.40 m x 3.60 m

Armament:
2 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1934 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1934 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 87 lbs / 40 kg
Shells per gun, main battery: 150
4 - 21.7" / 550 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm 0.20" / 5 mm -

- Conning tower: 0.08" / 2 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 16,971 shp / 12,660 Kw = 31.00 kts
Range 3,175nm at 14.00 kts
Bunker at max displacement = 115 tons

Complement:
63 - 82

Cost:
£0.346 million / $1.383 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1.4 %
Armour: 5 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 5 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 311 tons, 49.0 %
Hull, fittings & equipment: 215 tons, 33.9 %
Fuel, ammunition & stores: 85 tons, 13.4 %
Miscellaneous weights: 10 tons, 1.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
182 lbs / 83 Kg = 6.0 x 3.9 " / 100 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 0.6 ft / 0.2 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.49
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.66 : 1
'Natural speed' for length: 17.21 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.65 ft / 6.60 m
- Forecastle (20 %): 13.94 ft / 4.25 m
- Mid (50 %): 10.50 ft / 3.20 m
- Quarterdeck (15 %): 10.50 ft / 3.20 m
- Stern: 11.81 ft / 3.60 m
- Average freeboard: 12.42 ft / 3.79 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 171.3 %
- Above water (accommodation/working, high = better): 38.6 %
Waterplane Area: 3,001 Square feet or 279 Square metres
Displacement factor (Displacement / loading): 60 %
Structure weight / hull surface area: 25 lbs/sq ft or 122 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 6.42
- Overall: 0.64
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor

10 tons ASW gear