Defence Class (Octavia)

Defence class, SPQO:Navy Armored crusier laid down 1903
== Displacement: ==
            	4.489 t light; 4.646 t standard; 4.833 t normal; 4.982 t full load
=== Dimensions: Length (overall / waterline) x beam x draught (normal/deep) ===
            	(456,20 ft / 450,00 ft) x 50,00 ft x (14,00 / 14,34 ft)
            	(139,05 m / 137,16 m) x 15,24 m  x (4,27 / 4,37 m)
== Armament: ==
  	5 - 6,00" / 152 mm 40,0 cal guns - 103,51lbs / 46,95kg shells, 150 per gun
            	  Breech loading guns in deck mounts, 1903 Model
            	  3 x Single mounts on centreline, evenly spread
            	  2 x Single mounts on sides, forward deck aft
  	6 - 4,00" / 102 mm 40,0 cal guns - 30,67lbs / 13,91kg shells, 150 per gun
            	  Breech loading guns in casemate mounts, 1903 Model
            	  6 x Single mounts on sides, evenly spread
  	4 - 2,24" / 57,0 mm 39,0 cal guns - 5,39lbs / 2,44kg shells, 200 per gun
            	  Quick firing guns in deck mounts, 1903 Model
            	  4 x Single mounts on side ends, evenly spread
  	Weight of broadside 723 lbs / 328 kg
===  	Main Torpedoes ===
  	4 - 18,0" / 457 mm, 18,00 ft / 5,49 m torpedoes - 0,726 t each, 2,905 t total
            	In 4 sets of deck mounted carriage/fixed tubes
== Armour: ==
   - Belts:            	Width (max)       	Length (avg)                     	Height (avg)
            	Main:  	2,00" / 51 mm    	357,00 ft / 108,81 m        	17,00 ft / 5,18 m
            	Ends:  	Unarmoured
            	  Main Belt covers 122 % of normal length
===    - Torpedo Bulkhead - Strengthened structural bulkheads: ===
                           	1,00" / 25 mm    	360,00 ft / 109,73 m        	14,00 ft / 4,27 m
            	Beam between torpedo bulkheads 43,00 ft / 13,11 m
===    - Gun armour: ===
Face (max)         	Other gunhouse (avg)      	Barbette/hoist (max)
            	Main:  	2,00" / 51 mm    	  	-                                   	  	-
            	2nd:    	2,00" / 51 mm    	  	-                                   	  	-
            	3rd:     	1,00" / 25 mm    	  	-                                   	  	-
===    - Armoured deck - multiple decks: ===
            	For and Aft decks: 2,00" / 51 mm
            	Forecastle: 1,00" / 25 mm  Quarter deck: 1,00" / 25 mm
===    - Conning towers: ===
Forward 4,00" / 102 mm, Aft 0,00" / 0 mm
== Machinery: ==
            	Coal and oil fired boilers, complex reciprocating steam engines,
            	Direct drive, 3 shafts, 9.869 ihp / 7.362 Kw = 20,00 kts
            	Range 2.000nm at 10,00 kts
            	Bunker at max displacement = 336 tons (90% coal)
== Complement: ==
            	289 - 376
== Cost: ==
            	£0,392 million / $1,568 million
=== Distribution of weights at normal displacement: ===
            	Armament: 102 tons, 2,1 %
            	   - Guns: 98 tons, 2,0 %
            	   - Weapons: 4 tons, 0,1 %
            	Armour: 1.279 tons, 26,5 %
            	   - Belts: 488 tons, 10,1 %
            	   - Torpedo bulkhead: 186 tons, 3,9 %
            	   - Armament: 56 tons, 1,2 %
            	   - Armour Deck: 525 tons, 10,9 %
            	   - Conning Tower: 25 tons, 0,5 %
            	Machinery: 1.458 tons, 30,2 %
            	Hull, fittings & equipment: 1.474 tons, 30,5 %
            	Fuel, ammunition & stores: 344 tons, 7,1 %
            	Miscellaneous weights: 175 tons, 3,6 %
            	   - On freeboard deck: 100 tons
            	   - Above deck: 75 tons
=== Overall survivability and seakeeping ability: ===
            	Survivability (Non-critical penetrating hits needed to sink ship):
            	  6.708 lbs / 3.043 Kg = 62,1 x 6,0 " / 152 mm shells or 2,3 torpedoes
            	Stability (Unstable if below 1.00): 1,33
            	Metacentric height 2,9 ft / 0,9 m
            	Roll period: 12,3 seconds
            	Steadiness         	- As gun platform (Average = 50 %): 100 %
                                           	- Recoil effect (Restricted arc if above 1.00): 0,22
            	Seaboat quality  (Average = 1.00): 2,00
=== Hull form characteristics: ===
            	Hull has a flush deck,
            	  a normal bow and a cruiser stern
            	Block coefficient (normal/deep): 0,537 / 0,541
            	Length to Beam Ratio: 9,00 : 1
            	'Natural speed' for length: 21,21 kts
            	Power going to wave formation at top speed: 40 %
            	Trim (Max stability = 0, Max steadiness = 100): 50
            	Bow angle (Positive = bow angles forward): 19,00 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 %,  18,00 ft / 5,49 m,  18,00 ft / 5,49 m
            	   - Forward deck: 30,00 %,  18,00 ft / 5,49 m,  18,00 ft / 5,49 m
            	   - Aft deck:      	35,00 %,  18,00 ft / 5,49 m,  18,00 ft / 5,49 m
            	   - Quarter deck:  15,00 %,  18,00 ft / 5,49 m,  18,00 ft / 5,49 m
            	   - Average freeboard:                    	18,00 ft / 5,49 m
            	Ship tends to be wet forward
=== Ship space, strength and comments: ===
            	Space  	- Hull below water (magazines/engines, low = better): 122,0 %
                           	- Above water (accommodation/working, high = better): 182,8 %
            	Waterplane Area: 15.513 Square feet or 1.441 Square metres
            	Displacement factor (Displacement / loading): 104 %
            	Structure weight / hull surface area: 69 lbs/sq ft or 338 Kg/sq metre
            	Hull strength (Relative):
                           	- Cross-sectional: 0,94
                           	- Longitudinal: 1,67
                           	- Overall: 1,00
            	Cramped machinery, storage, compartmentation space
            	Excellent 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
Category:Armored Crusier
Category:Octavia
Category:Ship