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1

Sunday, September 14th 2014, 11:03pm

Mine Warfare Ships

List of Mine Warfare ships.

2

Sunday, September 14th 2014, 11:05pm

Besed-class Mine Warfare Ship, laid down 1919
12 ships on the books as of 1944.

Length, 70.0 m x Beam, 8.0 m x Depth, 2.3 m
610 tonnes normal displacement (487 tonnes standard)

Main battery: 2 x 10.0-cm
AA battery: 4 x 3.7-cm
Light battery: 4 x 1.3-cm

Weight of broadside: 31 kg

Hull unarmored

Battery armor:
Main, 2.5 cm shields
AA, 2.5 cm shields

50 tons minesweeping equipment, 75 tons mines.

Maximum speed for 2029 shaft kw = 19.00 knots
Approximate cruising radius, 4000 nm / 15 knots

Typical complement: 61-80


Estimated cost, $323,000 (£81,000)

Remarks:

Oil firing.

Good seaboat; rides out heavy weather easily.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 8 tonnes = 1 pct
Armor, total ..................... 3 tonnes = 1 pct

Armament 3 tonnes = 1 pct

Machinery ........................ 97 tonnes = 16 pct
Hull and fittings; equipment ..... 236 tonnes = 39 pct
Fuel, ammunition, stores ......... 141 tonnes = 23 pct
Miscellaneous weights ............ 125 tonnes = 20 pct
-----
610 tonnes = 100 pct

Estimated metacentric height, 0.3 m

Displacement summary:

Light ship: 469 tonnes
Standard displacement: 487 tonnes
Normal service: 610 tonnes
Full load: 706 tonnes

Loading submergence 340 tonnes/metre

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.13

Shellfire needed to sink: 435 kg = 31.4 x 10.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 0.6
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 65 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.12

Relative quality as a seaboat: 1.30

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.47
Sharpness coefficient: 0.34
Hull speed coefficient 'M' = 8.27
'Natural speed' for length = 15.2 knots
Power going to wave formation
at top speed: 52 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 85 percent

Relative accommodation and working space: 100 percent


Displacement factor: 157 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.98
(Structure weight per square
metre of hull surface: 192 kg)

Relative longitudinal hull strength: 1.64
(for 2.70 m average freeboard;
freeboard adjustment +0.06 m)

Relative composite hull strength: 1.03

+++++++++++++++++++++++++


[Machine-readable parameters: Spring Style v. 1.2.1]

229.60 x 26.24 x 7.54; 8.86 -- Dimensions
0.47 -- Block coefficient
1919 -- Year laid down
19.00 / 4000 / 15.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
125 tons -- Miscellaneous weights
++++++++++
2 x 3.94; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
0 -- No secondary battery
4 x 1.46 -- Tertiary (QF/AA) battery
Gun-shields
:
4 x 0.51 -- Fourth (light) battery
0 -- No torpedo armament
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.98 / 0.00 / 0.98 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)


+++++++++++++++++++++++++++++++++++++++++++++++++++++++

3

Sunday, September 14th 2014, 11:06pm

Oka-class, Russian Fast Minelayer laid down 1923 (Engine 1939)

Displacement:
584 t light; 602 t standard; 663 t normal; 712 t full load

Dimensions: Length overall / water x beam x draught
246.07 ft / 229.66 ft x 21.98 ft x 11.48 ft (normal load)
75.00 m / 70.00 m x 6.70 m x 3.50 m

Armament:
1 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1923 Model
Breech loading gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1923 Model
Anti-aircraft guns in deck mount
on centreline aft
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1923 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 44 lbs / 20 kg
Shells per gun, main battery: 160

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 - -

- Conning tower: 1.18" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 15,615 shp / 11,649 Kw = 29.00 kts
Range 1,100nm at 20.00 kts
Bunker at max displacement = 110 tons

Complement:
64 - 84

Cost:
£0.197 million / $0.788 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0.7 %
Armour: 4 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.3 %
Machinery: 310 tons, 46.8 %
Hull, fittings & equipment: 205 tons, 30.9 %
Fuel, ammunition & stores: 79 tons, 11.9 %
Miscellaneous weights: 60 tons, 9.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
209 lbs / 95 Kg = 6.9 x 3.9 " / 100 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 55 %
- Recoil effect (Restricted arc if above 1.00): 0.14
Seaboat quality (Average = 1.00): 1.10

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.400
Length to Beam Ratio: 10.45 : 1
'Natural speed' for length: 15.15 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17.06 ft / 5.20 m
- Forecastle (20 %): 13.45 ft / 4.10 m
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 11.39 ft / 3.47 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 166.5 %
- Above water (accommodation/working, high = better): 98.7 %
Waterplane Area: 3,108 Square feet or 289 Square metres
Displacement factor (Displacement / loading): 70 %
Structure weight / hull surface area: 26 lbs/sq ft or 126 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.55
- Longitudinal: 4.25
- Overall: 0.68
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

Breakdown of Miscellaneous Weights:
- 50 tons for naval mines
- 10 tons for electronics

Ships in Class:
- 30 ships built and refitted

4

Sunday, September 14th 2014, 11:06pm

Uspekh-class , Russian Fast Minelayer laid down 1928

Displacement:
579 t light; 595 t standard; 663 t normal; 717 t full load

Dimensions: Length overall / water x beam x draught
246.07 ft / 229.66 ft x 21.98 ft x 11.48 ft (normal load)
75.00 m / 70.00 m x 6.70 m x 3.50 m

Armament:
1 - 3.94" / 100 mm guns in single mounts, 37.48lbs / 17.00kg shells, 1928 Model
Breech loading gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1928 Model
Breech loading guns in deck mount
on centreline aft
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1928 Model
Breech loading guns in deck mounts
on side, all amidships
Weight of broadside 44 lbs / 20 kg
Shells per gun, main battery: 100

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 - -

- Conning tower: 1.18" / 30 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 18,079 shp / 13,487 Kw = 30.00 kts
Range 1,100nm at 20.00 kts (Bunkerage = 122 tons)

Complement:
64 - 84

Cost:
£0.270 million / $1.078 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0.7 %
Armour: 5 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.3 %
Machinery: 332 tons, 50.1 %
Hull, fittings & equipment: 187 tons, 28.3 %
Fuel, ammunition & stores: 84 tons, 12.6 %
Miscellaneous weights: 50 tons, 7.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
171 lbs / 78 Kg = 5.6 x 3.9 " / 100 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 0.7 ft / 0.2 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.13
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.400
Length to Beam Ratio: 10.45 : 1
'Natural speed' for length: 15.15 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17.06 ft / 5.20 m
- Forecastle (25 %): 13.45 ft / 4.10 m
- Mid (40 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 11.38 ft / 3.47 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 175.3 %
- Above water (accommodation/working, high = better): 95.2 %
Waterplane Area: 3,108 Square feet or 289 Square metres
Displacement factor (Displacement / loading): 54 %
Structure weight / hull surface area: 24 lbs/sq ft or 116 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 3.81
- Overall: 0.61
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

Breakdown of Miscellaneous Weights:
- 50 tons for mines

Ships in Class:
- 20 vessels built

5

Sunday, September 14th 2014, 11:07pm

Project 56 Kashgar, Russian Patrol Boat laid down 1937

Displacement:
350 t light; 364 t standard; 408 t normal; 444 t full load

Dimensions: Length overall / water x beam x draught
206.69 ft / 206.69 ft x 22.97 ft x 5.91 ft (normal load)
63.00 m / 63.00 m x 7.00 m x 1.80 m

Armament:
1 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1937 Model
Dual purpose gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft
4 - 0.55" / 14.0 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1937 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 500

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 -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 3,391 shp / 2,530 Kw = 21.00 kts
Range 4,000nm at 12.00 kts
Bunker at max displacement = 80 tons

Complement:
45 - 59

Cost:
£0.148 million / $0.593 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.5 %
Armour: 2 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 94 tons, 23.0 %
Hull, fittings & equipment: 208 tons, 50.8 %
Fuel, ammunition & stores: 58 tons, 14.2 %
Miscellaneous weights: 45 tons, 11.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
829 lbs / 376 Kg = 61.4 x 3.0 " / 76 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.2 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 1.84

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.510
Length to Beam Ratio: 9.00 : 1
'Natural speed' for length: 14.38 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 27
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: 18.04 ft / 5.50 m
- Forecastle (20 %): 11.48 ft / 3.50 m
- Mid (50 %): 11.48 ft / 3.50 m
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 12.01 ft / 3.66 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.2 %
- Above water (accommodation/working, high = better): 149.4 %
Waterplane Area: 3,074 Square feet or 286 Square metres
Displacement factor (Displacement / loading): 162 %
Structure weight / hull surface area: 30 lbs/sq ft or 148 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.82
- Longitudinal: 6.16
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Breakdown of Miscellaneous Weights:
- 40 tons for minesweeping gear
- 5 tons for radar and electronics

Ships in Class:
- TSh-1
- TSh-2
- TSh-3
- TSh-4
- TSh-5
- TSh-6
- TSh-7
- TSh-8
- TSh-9
- TSh-10

6

Sunday, September 14th 2014, 11:09pm

Project 71 Gematit, Russian Light Minesweeper laid down 1944

Displacement:
148 t light; 157 t standard; 182 t normal; 202 t full load

Dimensions: Length overall / water x beam x draught
129.15 ft / 124.67 ft x 21.98 ft x 4.92 ft (normal load)
39.36 m / 38.00 m x 6.70 m x 1.50 m

Armament:
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
2 - 0.55" / 14.0 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1944 Model
Machine guns in deck mounts
on side, all amidships
Weight of broadside 3 lbs / 1 kg
Shells per gun, main battery: 2,500

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.59" / 15 mm 0.20" / 5 mm -

- Conning tower: 0.59" / 15 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 894 shp / 667 Kw = 16.00 kts
Range 3,500nm at 12.00 kts
Bunker at max displacement = 45 tons

Complement:
24 - 32

Cost:
£0.059 million / $0.235 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.2 %
Armour: 1 tons, 0.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.2 %
Machinery: 23 tons, 12.5 %
Hull, fittings & equipment: 74 tons, 40.7 %
Fuel, ammunition & stores: 34 tons, 18.6 %
Miscellaneous weights: 50 tons, 27.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
405 lbs / 184 Kg = 262.2 x 1.5 " / 37 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 0.6 ft / 0.2 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 58 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 1.19

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.472
Length to Beam Ratio: 5.67 : 1
'Natural speed' for length: 11.17 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 12.30 ft / 3.75 m
- Forecastle (20 %): 9.84 ft / 3.00 m
- Mid (50 %): 7.38 ft / 2.25 m
- Quarterdeck (15 %): 7.38 ft / 2.25 m
- Stern: 7.38 ft / 2.25 m
- Average freeboard: 8.44 ft / 2.57 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 75.8 %
- Above water (accommodation/working, high = better): 112.4 %
Waterplane Area: 1,781 Square feet or 165 Square metres
Displacement factor (Displacement / loading): 182 %
Structure weight / hull surface area: 25 lbs/sq ft or 124 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 4.77
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate

Breakdown of Miscellaneous Weights:
- 5 tons for navigational radar
- 45 tons for paravanes and other minesweeping equipment

Electronics:
- 2.5 tons for NR-119 air-warning radar
- 2.5 tons for DRBN-1 navigational radar

Ships in Class:
- RT-01 through RT-10: Built Q2/1944.
- RT-11 through RT-20: Built Q4/1944.
- RT-21 through RT-30: Built Q2/1945.
- RT-31 through RT-40: Built Q4/1945.

Notes:
"RT" stands for Reydovy Tral'shik (tr. Coastal Minesweeper).

7

Wednesday, August 28th 2019, 7:26am

Project 91A Orfei, Russian Minelayer (Minny i Setevoy Zagraditel') laid down 1949

Displacement:
3,683 t light; 3,839 t standard; 4,731 t normal; 5,446 t full load

Dimensions: Length overall / water x beam x draught
475.72 ft / 475.72 ft x 48.23 ft x 13.12 ft (normal load)
145.00 m / 145.00 m x 14.70 m x 4.00 m

Armament:
6 - 3.94" / 100 mm guns (3x2 guns), 37.48lbs / 17.00kg shells, 1949 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1949 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
4 - 0.55" / 14.0 mm guns in single mounts, 0.08lbs / 0.04kg shells, 1949 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 238 lbs / 108 kg
Shells per gun, main battery: 450

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

- Conning tower: 0.98" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 78,169 shp / 58,314 Kw = 34.00 kts
Range 3,400nm at 25.00 kts
Bunker at max displacement = 1,607 tons

Complement:
284 - 370

Cost:
£3.191 million / $12.765 million

Distribution of weights at normal displacement:
Armament: 29 tons, 0.6 %
Armour: 13 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 7 tons, 0.2 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 6 tons, 0.1 %
Machinery: 1,890 tons, 39.9 %
Hull, fittings & equipment: 1,550 tons, 32.8 %
Fuel, ammunition & stores: 1,049 tons, 22.2 %
Miscellaneous weights: 200 tons, 4.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,923 lbs / 1,326 Kg = 95.8 x 3.9 " / 100 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 2.6 ft / 0.8 m
Roll period: 12.6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.15
Seaboat quality (Average = 1.00): 1.08

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.550
Length to Beam Ratio: 9.86 : 1
'Natural speed' for length: 21.81 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 65
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: 24.61 ft / 7.50 m
- Forecastle (25 %): 23.79 ft / 7.25 m
- Mid (50 %): 22.97 ft / 7.00 m (16.08 ft / 4.90 m aft of break)
- Quarterdeck (15 %): 16.08 ft / 4.90 m
- Stern: 16.08 ft / 4.90 m
- Average freeboard: 19.91 ft / 6.07 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 139.7 %
- Above water (accommodation/working, high = better): 205.3 %
Waterplane Area: 16,012 Square feet or 1,488 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 55 lbs/sq ft or 270 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.68
- Longitudinal: 1.71
- Overall: 0.75
Caution: Hull subject to strain in open-sea
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

Breakdown of Miscellaneous Weights:
Not yet available.

Ships in Class:
- Orfei
- Evstafi