Austerity-Class Protected Cruiser [UK, 1894] (RFP)

Austerity-Class, UK Protected Cruiser laid down 1894

Displacement:
	4,370 t light; 4,619 t standard; 5,700 t normal; 6,565 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(411.00 ft / 400.00 ft) x 50.00 ft x (21.00 / 23.32 ft)
	(125.27 m / 121.92 m) x 15.24 m  x (6.40 / 7.11 m)

Armament:
      6 - 6.00" / 152 mm 40.0 cal guns - 100.00lbs / 45.36kg shells, 200 per gun
	  Quick firing guns in deck mounts, 1888 Model
	  6 x Single mounts on sides, evenly spread
      6 - 4.70" / 119 mm 40.0 cal guns - 45.00lbs / 20.41kg shells, 200 per gun
	  Quick firing guns in casemate mounts, 1885 Model
	  6 x Single mounts on sides, evenly spread
		6 hull mounts in casemates- Limited use in any sea
      8 - 3.00" / 76.2 mm 40.0 cal guns - 12.90lbs / 5.85kg shells, 200 per gun
	  Quick firing guns in deck mounts, 1893 Model
	  8 x Single mounts on sides, evenly spread
		8 hull mounts in casemates- Limited use in any sea
      8 - 1.85" / 47.0 mm 40.0 cal guns - 3.00lbs / 1.36kg shells, 2,000 per gun
	  Quick firing guns in deck mounts, 1885 Model
	  8 x Single mounts on sides, evenly spread
		8 raised mounts
      Weight of broadside 997 lbs / 452 kg
      Main Torpedoes
      2 - 17.7" / 450 mm, 11.67 ft / 3.56 m torpedoes - 0.339 t each, 0.678 t total
	submerged bow & stern tubes
      2nd Torpedoes
      8 - 17.7" / 450 mm, 11.67 ft / 3.56 m torpedoes - 0.339 t each, 2.713 t total
	In 1 sets of deck mounted carriage/fixed tubes

Armour:
   - Belts:		Width (max)	Length (avg)		Height (avg)
	Ends:	Unarmoured

   - Torpedo Bulkhead - Strengthened structural bulkheads:
		1.25" / 32 mm	398.00 ft / 121.31 m	18.61 ft / 5.67 m
	Beam between torpedo bulkheads 46.00 ft / 14.02 m

   - Protected deck - single deck:
	For and Aft decks: 2.00" / 51 mm
	Forecastle: 2.00" / 51 mm  Quarter deck: 2.00" / 51 mm

   - Conning towers: Forward 6.00" / 152 mm, Aft 0.00" / 0 mm

Machinery:
	Coal fired boilers, complex reciprocating steam engines,
	Direct drive, 2 shafts, 13,271 ihp / 9,900 Kw = 21.00 kts
	Range 10,000nm at 10.00 kts
	Bunker at max displacement = 1,947 tons (100% coal)

Complement:
	327 - 426

Cost:
	£0.517 million / $2.068 million

Distribution of weights at normal displacement:
	Armament: 164 tons, 2.9 %
	   - Guns: 159 tons, 2.8 %
	   - Weapons: 5 tons, 0.1 %
	Armour: 870 tons, 15.3 %
	   - Torpedo bulkhead: 343 tons, 6.0 %
	   - Armour Deck: 486 tons, 8.5 %
	   - Conning Tower: 41 tons, 0.7 %
	Machinery: 2,288 tons, 40.1 %
	Hull, fittings & equipment: 1,048 tons, 18.4 %
	Fuel, ammunition & stores: 1,330 tons, 23.3 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  3,488 lbs / 1,582 Kg = 32.3 x 6.0 " / 152 mm shells or 3.0 torpedoes
	Stability (Unstable if below 1.00): 2.03
	Metacentric height 5.4 ft / 1.6 m
	Roll period: 9.0 seconds
	Steadiness	- As gun platform (Average = 50 %): 76 %
			- Recoil effect (Restricted arc if above 1.00): 0.07
	Seaboat quality  (Average = 1.00): 1.51

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.475 / 0.493
	Length to Beam Ratio: 8.00 : 1
	'Natural speed' for length: 20.00 kts
	Power going to wave formation at top speed: 46 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -8.00 degrees
	Stern overhang: 3.00 ft / 0.91 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	20.00 %,  15.00 ft / 4.57 m,  12.00 ft / 3.66 m
	   - Forward deck:	30.00 %,  12.00 ft / 3.66 m,  10.00 ft / 3.05 m
	   - Aft deck:	35.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
	   - Quarter deck:	15.00 %,  10.00 ft / 3.05 m,  10.00 ft / 3.05 m
	   - Average freeboard:		10.94 ft / 3.33 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 151.8 %
		- Above water (accommodation/working, high = better): 78.6 %
	Waterplane Area: 13,031 Square feet or 1,211 Square metres
	Displacement factor (Displacement / loading): 97 %
	Structure weight / hull surface area: 74 lbs/sq ft or 359 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.35
		- Overall: 1.00
	Cramped machinery, storage, compartmentation space
	Cramped accommodation and workspace room
	Ship has slow, easy roll, a good, steady gun platform
	Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Guns:
Torpedoes: Whitehead 18"