WesWorld

Quoted

Bylgarski Lav, Bulgarian Barque laid down 1936

Displacement:
1,695 t light; 1,734 t standard; 1,791 t normal; 1,837 t full load

Dimensions: Length overall / water x beam x draught
270 ft (with spars and bowspirit) / 235.00 ft x 39.00 ft x 18.00 ft (normal load)
77.39 m / 71.63 m x 11.89 m x 5.49 m

Armament:
2 - 3.46" / 88.0 mm guns in single mounts, 20.79lbs / 9.43kg shells, 1937 Model
Breech loading guns in deck mounts
on centreline, evenly spread
4 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1937 Model
Breech loading guns in deck mounts
on side, all amidships
Weight of broadside 43 lbs / 19 kg
Shells per gun, main battery: 100
2 - 21.0" / 533.4 mm above water torpedoes

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

Machinery:
Diesel Internal combustion motors,
Direct drive, 1 shaft, 508 shp / 379 Kw = 10.00 kts
Range 3,000nm at 10.00 kts
Bunker at max displacement = 103 tons
23 sails totalling 1753 m² (18870 ft²) = Maybe 17 kts depending on the wind

Complement:
136 - 178

Cost:
£0.359 million / $1.435 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0.3 %
Armour: 2 tons, 0.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.1 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 14 tons, 0.8 %
Hull, fittings & equipment: 1,674 tons, 93.5 %
Fuel, ammunition & stores: 96 tons, 5.3 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,054 lbs / 12,725 Kg = 1,349.2 x 3.5 " / 88 mm shells or 21.2 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 1.6 ft / 0.5 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 73 %
- Recoil effect (Restricted arc if above 1.00): 0.02
Seaboat quality (Average = 1.00): 1.97

Hull form characteristics:
Hull has low forecastle, rise aft of midbreak, raised quarterdeck
Block coefficient: 0.380
Length to Beam Ratio: 6.03 : 1
'Natural speed' for length: 15.33 kts
Power going to wave formation at top speed: 23 %
Trim (Max stability = 0, Max steadiness = 100): 37
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 12.00 ft / 3.66 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19.00 ft / 5.79 m
- Forecastle (20 %): 11.35 ft / 3.46 m (12.00 ft / 3.66 m aft of break)
- Mid (50 %): 11.35 ft / 3.46 m (12.00 ft / 3.66 m aft of break)
- Quarterdeck (15 %): 12.00 ft / 3.66 m (11.35 ft / 3.46 m before break)
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 12.27 ft / 3.74 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 6.8 %
- Above water (accommodation/working, high = better): 73.3 %
Waterplane Area: 5,273 Square feet or 490 Square metres
Displacement factor (Displacement / loading): 1,000 %
Structure weight / hull surface area: 173 lbs/sq ft or 843 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 3.00
- Longitudinal: 13.18
- Overall: 3.48
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Quoted

Originally posted by Vukovlad
Can SS SIM masts?