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[quote='Brockpaine',index.php?page=Thread&postID=140082#post140082][SIZE=14][B][I]KL-01[/I], Bulgarian Patrol Ship laid down 1946[/B][/SIZE]

[B]Displacement:[/B]
	250 t light; 262 t standard; 325 t normal; 375 t full load

[B]Dimensions:[/B] Length overall / water x beam x draught
	180.45 ft / 180.45 ft x 19.69 ft x 7.71 ft (normal load)
	55.00 m / 55.00 m x 6.00 m  x 2.35 m

[B]Armament:[/B]
      1 - 3.46" / 88.0 mm guns in single mounts, 20.79lbs / 9.43kg shells, 1946 Model
	  Dual purpose gun in deck mount 
	  on centreline forward
      2 - 1.57" / 40.0 mm guns in single mounts, 1.95lbs / 0.89kg shells, 1946 Model
	  Anti-aircraft guns in deck mounts 
	  on side, all amidships
      4 - 0.79" / 20.0 mm guns (2x2 guns), 0.24lbs / 0.11kg shells, 1946 Model
	  Machine guns in deck mounts 
	  on side, evenly spread
	Weight of broadside 26 lbs / 12 kg
	Shells per gun, main battery: 350

[B]Armour:[/B]
   - 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		      -

- Conning tower: 1.18" / 30 mm

[B]Machinery:[/B]
	Diesel Internal combustion motors, 
	Geared drive, 2 shafts, 2,415 shp / 1,802 Kw = 20.00 kts
	Range 4,000nm at 15.00 kts
	Bunker at max displacement = 113 tons

[B]Complement:[/B]
	37 - 49

[B]Cost:[/B]
	£0.141 million / $0.564 million

[B]Distribution of weights at normal displacement:[/B]
	Armament: 3 tons, 1.0 %
	Armour: 3 tons, 1.0 %
	   - Belts: 0 tons, 0.0 %
	   - Torpedo bulkhead: 0 tons, 0.0 %
	   - Armament: 2 tons, 0.6 %
	   - Armour Deck: 0 tons, 0.0 %
	   - Conning Tower: 1 tons, 0.4 %
	Machinery: 60 tons, 18.6 %
	Hull, fittings & equipment: 138 tons, 42.6 %
	Fuel, ammunition & stores: 75 tons, 23.0 %
	Miscellaneous weights: 45 tons, 13.8 %

[B]Overall survivability and seakeeping ability:[/B]
	Survivability (Non-critical penetrating hits needed to sink ship):
	  558 lbs / 253 Kg = 26.9 x 3.5 " / 88 mm shells or 0.5 torpedoes
	Stability (Unstable if below 1.00): 1.13
	Metacentric height 0.5 ft / 0.2 m
	Roll period: 11.1 seconds
	Steadiness	- As gun platform (Average = 50 %): 61 %
			- Recoil effect (Restricted arc if above 1.00): 0.13
	Seaboat quality  (Average = 1.00): 1.73

[B]Hull form characteristics:[/B]
	Hull has a flush deck
	Block coefficient: 0.415
	Length to Beam Ratio: 9.17 : 1
	'Natural speed' for length: 13.43 kts
	Power going to wave formation at top speed: 58 %
	Trim (Max stability = 0, Max steadiness = 100): 35
	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:		14.07 ft / 4.29 m
	   - Forecastle (20 %):	8.96 ft / 2.73 m
	   - Mid (50 %):		8.96 ft / 2.73 m
	   - Quarterdeck (15 %):	8.96 ft / 2.73 m
	   - Stern:		8.96 ft / 2.73 m
	   - Average freeboard:	9.37 ft / 2.85 m
	Ship tends to be wet forward

[B]Ship space, strength and comments:[/B]
	Space	- Hull below water (magazines/engines, low = better): 84.7 %
		- Above water (accommodation/working, high = better): 101.8 %
	Waterplane Area: 2,207 Square feet or 205 Square metres
	Displacement factor (Displacement / loading): 167 %
	Structure weight / hull surface area: 29 lbs/sq ft or 139 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.84
		- Longitudinal: 4.94
		- Overall: 1.01
	Hull space for machinery, storage, compartmentation is adequate
	Room for accommodation and workspaces is adequate
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[B]Breakdown of Miscellaneous Weights:[/B]
- 15 tons for electronics systems (radar, sonar)
- 25 tons for ASW gear
- 5 tons for minesweeping paravane

[b]Ships in Class:[/b]
- BVK [i]KL-01[/i]: Laid down by KRZ-Flotski Arsenal (Varna), January 1946, completed May 1946
- BVK [i]KL-02[/i]: Laid down by Burgas Shipyards Ltd (Burgas), January 1946, completed May 1946
- BVK [i]KL-03[/i]: Laid down by Burgas Shipyards Ltd (Burgas), January 1946, completed May 1946[/quote]