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Saturday, September 26th 2009, 11:25pm

Naval Reserve Vessels

[SIZE=3]Ships of the Naval Reserve[/SIZE]

Armed Yachts
- BVK Komitadji

River Steamers
- Rechen Kon

Videttes
- BVK Belomorec
- BVK Chernomorec

Armed Towboats
- BVK Vasil Levski
- BVK Kiril Popov
- BVK Iskur

2

Saturday, September 26th 2009, 11:25pm

Komitadji


[SIZE=1]Image by ALVAMA, thanks Alex![/SIZE]

[SIZE=3]Komitadji, Bulgarian Armed Yacht laid down 1936[/SIZE]

Displacement:
550 t light; 573 t standard; 634 t normal; 683 t full load

Dimensions: Length overall / water x beam x draught
258.93 ft / 229.66 ft x 22.97 ft x 7.22 ft (normal load)
78.92 m / 70.00 m x 7.00 m x 2.20 m

Armament:
3 - 3.46" / 88.0 mm guns in single mounts, 20.79lbs / 9.43kg shells, 1936 Model
Quick firing guns in deck mounts
on centreline ends, majority forward, 1 raised mount
2 - 1.57" / 40.0 mm guns (1x2 guns), 1.95lbs / 0.88kg shells, 1936 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0.50" / 12.7 mm guns (1x4 guns), 0.06lbs / 0.03kg shells, 1936 Model
Machine guns in deck mount
on centreline amidships, all raised guns - superfiring
Weight of broadside 68 lbs / 31 kg
Shells per gun, main battery: 250

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.59" / 15 mm 0.20" / 5 mm -
2nd: 0.39" / 10 mm - -
3rd: 0.39" / 10 mm - -
4th: 0.39" / 10 mm - -

- Conning tower: 0.79" / 20 mm

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 3,533 ihp / 2,636 Kw = 20.00 kts
Range 5,000nm at 10.00 kts
Bunker at max displacement = 109 tons

Complement:
63 - 82

Cost:
£0.285 million / $1.140 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1.4 %
Armour: 4 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.2 %
Machinery: 197 tons, 31.1 %
Hull, fittings & equipment: 300 tons, 47.4 %
Fuel, ammunition & stores: 84 tons, 13.2 %
Miscellaneous weights: 40 tons, 6.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
681 lbs / 309 Kg = 32.7 x 3.5 " / 88 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 0.8 ft / 0.2 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.23
Seaboat quality (Average = 1.00): 1.78

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.583
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 15.15 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 39
Bow angle (Positive = bow angles forward): 50.00 degrees
Stern overhang: 9.84 ft / 3.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16.31 ft / 4.97 m
- Forecastle (20 %): 10.37 ft / 3.16 m
- Mid (50 %): 10.37 ft / 3.16 m
- Quarterdeck (15 %): 10.37 ft / 3.16 m
- Stern: 10.37 ft / 3.16 m
- Average freeboard: 10.84 ft / 3.30 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 118.9 %
- Above water (accommodation/working, high = better): 119.0 %
Waterplane Area: 3,797 Square feet or 353 Square metres
Displacement factor (Displacement / loading): 125 %
Structure weight / hull surface area: 40 lbs/sq ft or 196 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.07
- Longitudinal: 3.87
- Overall: 1.22
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Breakdown of Miscellaneous Weight:
- 2 tons Officers Bar (and vodka)
- 8 tons Enlisted sailors' saloon (and vodka)
- 1 ton 42-inch plasma television
- 1 ton iPod connectivity gizmos
- 3 tons ice cream bar
- 5 tons ballroom
- 5 tons one-lane bowling alley
- 5 tons deck lounge chairs
- 10 tons miscellaneous luxuries

Ships in Class:
- BVK Komitadji - Ex-Severoiztochen Vyatar ("Northeaster"), renamed Komitadji in July 1938.

3

Saturday, September 26th 2009, 11:25pm

Belomorec

[SIZE=3]Belomorec-class, Bulgarian Vidette laid down 1917[/SIZE]

Displacement:
72 t light; 74 t standard; 100 t normal; 121 t full load

Dimensions: Length overall / water x beam x draught
112.12 ft / 110.00 ft x 14.65 ft x 5.65 ft (normal load)
34.17 m / 33.53 m x 4.47 m x 1.72 m

Armament:
1 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1928 Model
Quick firing gun in deck mount
on centreline forward
2 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.00kg shells, 1936 Model
Machine guns in deck mounts
on side, all amidships
Weight of broadside 3 lbs / 1 kg
Shells per gun, main battery: 150

Machinery:
No fuel, Internal combustion motors,
No drive to shaft, 3 shafts, 965 shp / 720 Kw = 18.00 kts
Range 2,000nm at 15.00 kts
Bunker at max displacement = 46 tons

Complement:
15 - 20

Cost:
£0.005 million / $0.021 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.4 %
Machinery: 0 tons, 0.0 %
Hull, fittings & equipment: 51 tons, 51.5 %
Fuel, ammunition & stores: 28 tons, 28.1 %
Miscellaneous weights: 20 tons, 20.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
543 lbs / 246 Kg = 171.4 x 1.9 " / 47 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.04
Metacentric height 0.3 ft / 0.1 m
Roll period: 11.2 seconds
Steadiness - As gun platform (Average = 50 %): 36 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 0.87

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.384
Length to Beam Ratio: 7.51 : 1
'Natural speed' for length: 10.49 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 29
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 12.00 ft / 3.66 m
- Forecastle (20 %): 8.00 ft / 2.44 m
- Mid (50 %): 6.00 ft / 1.83 m
- Quarterdeck (15 %): 6.00 ft / 1.83 m
- Stern: 6.00 ft / 1.83 m
- Average freeboard: 7.02 ft / 2.14 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 26.4 %
- Above water (accommodation/working, high = better): 80.7 %
Waterplane Area: 984 Square feet or 91 Square metres
Displacement factor (Displacement / loading): 431 %
Structure weight / hull surface area: 24 lbs/sq ft or 115 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 8.97
- Overall: 1.20
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Breakdown of Miscellaneous Weights:

Ships in Class:
- Belomorec
- Chernomorec

Notes:
Originally subchasers built for France, acquired 1919, used as police-boats on the Danube.

4

Saturday, September 26th 2009, 11:26pm

Rechen Kon

[SIZE=3]Rechen Kon, Bulgarian Danube Steamer laid down 1932[/SIZE]

Displacement:
588 t light; 604 t standard; 693 t normal; 765 t full load

Dimensions: Length overall / water x beam x draught
240.00 ft / 240.00 ft x 48.00 ft x 5.50 ft (normal load)
73.15 m / 73.15 m x 14.63 m x 1.68 m

Armament:
2 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1932 Model
Quick firing guns in deck mounts
on centreline ends, evenly spread
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships
12 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.00kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 12 lbs / 5 kg
Shells per gun, main battery: 250

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 1,602 ihp / 1,195 Kw = 16.00 kts
Range 2,000nm at 16.00 kts
Bunker at max displacement = 162 tons

Complement:
66 - 87

Cost:
£0.157 million / $0.627 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.2 %
Machinery: 90 tons, 13.0 %
Hull, fittings & equipment: 376 tons, 54.2 %
Fuel, ammunition & stores: 105 tons, 15.2 %
Miscellaneous weights: 120 tons, 17.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,695 lbs / 1,222 Kg = 476.9 x 2.2 " / 57 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.44
Metacentric height 3.1 ft / 1.0 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.49

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.383
Length to Beam Ratio: 5.00 : 1
'Natural speed' for length: 15.49 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 47
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: 17.04 ft / 5.19 m
- Forecastle (20 %): 10.84 ft / 3.30 m
- Mid (50 %): 10.84 ft / 3.30 m
- Quarterdeck (15 %): 10.84 ft / 3.30 m
- Stern: 10.84 ft / 3.30 m
- Average freeboard: 11.34 ft / 3.46 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 63.9 %
- Above water (accommodation/working, high = better): 220.0 %
Waterplane Area: 7,032 Square feet or 653 Square metres
Displacement factor (Displacement / loading): 222 %
Structure weight / hull surface area: 44 lbs/sq ft or 215 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.91
- Longitudinal: 2.27
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Rechen Kon = River Horse. Ship is actually sidewheel paddle-boat. Refer to paddle-steamer PS Waverly for a similar vessel.

5

Saturday, September 26th 2009, 11:29pm

Vasil Levski

[SIZE=3]Vasil Levski, Bulgarian Danube Steamer laid down 1925[/SIZE]

Displacement:
200 t light; 205 t standard; 241 t normal; 270 t full load

Dimensions: Length overall / water x beam x draught
130.00 ft / 130.00 ft x 25.00 ft x 4.50 ft (normal load)
39.62 m / 39.62 m x 7.62 m x 1.37 m

Armament:
2 - 1.57" / 40.0 mm guns in single mounts, 1.95lbs / 0.88kg shells, 1925 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1925 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 4 lbs / 2 kg
Shells per gun, main battery: 250

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 658 ihp / 491 Kw = 14.00 kts
Range 2,500nm at 12.00 kts
Bunker at max displacement = 64 tons

Complement:
29 - 39

Cost:
£0.042 million / $0.167 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.2 %
Machinery: 38 tons, 15.7 %
Hull, fittings & equipment: 136 tons, 56.6 %
Fuel, ammunition & stores: 41 tons, 17.1 %
Miscellaneous weights: 25 tons, 10.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
652 lbs / 296 Kg = 334.0 x 1.6 " / 40 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 0.9 ft / 0.3 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 1.13

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.577
Length to Beam Ratio: 5.20 : 1
'Natural speed' for length: 11.40 kts
Power going to wave formation at top speed: 58 %
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: 12.54 ft / 3.82 m
- Forecastle (20 %): 7.98 ft / 2.43 m
- Mid (50 %): 7.98 ft / 2.43 m
- Quarterdeck (15 %): 7.98 ft / 2.43 m
- Stern: 7.98 ft / 2.43 m
- Average freeboard: 8.34 ft / 2.54 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65.2 %
- Above water (accommodation/working, high = better): 121.9 %
Waterplane Area: 2,326 Square feet or 216 Square metres
Displacement factor (Displacement / loading): 229 %
Structure weight / hull surface area: 41 lbs/sq ft or 203 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.36
- Longitudinal: 4.71
- Overall: 1.54
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent

Vasil Levski, Kiril Popov, and Iskur; all armed river tow steamers, built in Italy

6

Saturday, September 26th 2009, 11:29pm

TBA

7

Saturday, September 26th 2009, 11:29pm

future project

8

Saturday, September 26th 2009, 11:35pm

Nothing Yet