Responsible-Class Sloop [1920] (UK)

Responsible-Class, United Kingdom Sloop laid down 1920

Displacement:
	974 t light; 1,089 t standard; 1,170 t normal; 1,234 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(230.06 ft / 229.66 ft) x 29.53 ft x (13.12 / 13.64 ft)
	(70.12 m / 70.00 m) x 9.00 m  x (4.00 / 4.16 m)

Armament:
      8 - 5.98" / 152 mm 50.0 cal guns - 100.00lbs / 45.36kg shells, 200 per gun
	  Breech loading guns in deck mounts, 1913 Model
	  4 x Twin mounts on centreline, evenly spread
		2 raised mounts
      4 - 1.57" / 40.0 mm 39.0 cal guns - 2.01lbs / 0.91kg shells, 800 per gun
	  Anti-air guns in deck mounts, 1914 Model
	  4 x Single mounts on sides, evenly spread
      Weight of broadside 808 lbs / 367 kg
      Main DC/AS Mortars
      2 - 420.00 lbs / 190.51 kg Depth Charges + 50 reloads - 9.750 t total
	in Stern depth charge racks

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Main:	2.05" / 52 mm	149.28 ft / 45.50 m	6.53 ft / 1.99 m
	Ends:	Unarmoured
	  Main Belt covers 100 % of normal length

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		0.98" / 25 mm	149.28 ft / 45.50 m	10.86 ft / 3.31 m
	Beam between torpedo bulkheads 29.53 ft / 9.00 m

   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	2.05" / 52 mm	0.98" / 25 mm		      -

   - Armoured deck - multiple decks:
	For and Aft decks: 2.05" / 52 mm
	Forecastle: 2.05" / 52 mm  Quarter deck: 2.05" / 52 mm

   - Conning towers: Forward 2.05" / 52 mm, Aft 0.00" / 0 mm

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 2 shafts, 5,050 shp / 3,767 Kw = 20.00 kts
	Range 5,000nm at 10.00 kts
	Bunker at max displacement = 144 tons

Complement:
	99 - 130

Cost:
	£0.253 million / $1.010 million

Distribution of weights at normal displacement:
	Armament: 141 tons, 12.0 %
	   - Guns: 129 tons, 11.0 %
	   - Weapons: 12 tons, 1.0 %
	Armour: 349 tons, 29.9 %
	   - Belts: 84 tons, 7.2 %
	   - Torpedo bulkhead: 59 tons, 5.0 %
	   - Armament: 35 tons, 3.0 %
	   - Armour Deck: 167 tons, 14.2 %
	   - Conning Tower: 5 tons, 0.4 %
	Machinery: 177 tons, 15.1 %
	Hull, fittings & equipment: 307 tons, 26.2 %
	Fuel, ammunition & stores: 196 tons, 16.8 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  1,380 lbs / 626 Kg = 12.9 x 6.0 " / 152 mm shells or 0.7 torpedoes
	Stability (Unstable if below 1.00): 1.24
	Metacentric height 1.2 ft / 0.4 m
	Roll period: 11.4 seconds
	Steadiness	- As gun platform (Average = 50 %): 52 %
			- Recoil effect (Restricted arc if above 1.00): 0.97
	Seaboat quality  (Average = 1.00): 1.03

Hull form characteristics:
	Hull has rise forward of midbreak,
	  a normal bow and a round stern
	Block coefficient (normal/deep): 0.460 / 0.467
	Length to Beam Ratio: 7.78 : 1
	'Natural speed' for length: 15.15 kts
	Power going to wave formation at top speed: 57 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): 2.00 degrees
	Stern overhang: 0.00 ft / 0.00 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  11.48 ft / 3.50 m,  9.84 ft / 3.00 m
	   - Forward deck:	30.00 %,  9.84 ft / 3.00 m,  9.84 ft / 3.00 m
	   - Aft deck:	35.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
	   - Quarter deck:	15.00 %,  8.20 ft / 2.50 m,  8.20 ft / 2.50 m
	   - Average freeboard:		9.15 ft / 2.79 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 92.0 %
		- Above water (accommodation/working, high = better): 75.2 %
	Waterplane Area: 4,362 Square feet or 405 Square metres
	Displacement factor (Displacement / loading): 101 %
	Structure weight / hull surface area: 58 lbs/sq ft or 285 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.89
		- Longitudinal: 2.71
		- Overall: 1.00
	Adequate machinery, storage, compartmentation space
	Cramped accommodation and workspace room