Haida CL v1

HMCS Haida, Canadian Tribal class Destroyer laid down 1941

Displacement:
	4,408 t light; 4,617 t standard; 5,066 t normal; 5,425 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(487.78 ft / 475.72 ft) x 49.21 ft x (14.76 / 15.56 ft)
	(148.68 m / 145.00 m) x 15.00 m  x (4.50 / 4.74 m)

Armament:
      8 - 4.49" / 114 mm 45.0 cal guns - 55.01lbs / 24.95kg shells, 300 per gun
	  Dual purpose guns in deck and hoist mounts, 1941 Model
	  2 x Twin mounts on centreline, forward deck forward
		1 raised mount - superfiring
	  2 x Twin mounts on centreline, aft deck aft
		1 raised mount aft - superfiring
      14 - 1.57" / 40.0 mm 56.3 cal guns - 1.96lbs / 0.89kg shells, 1,600 per gun
	  Anti-air guns in deck mounts, 1941 Model
	  4 x Twin mounts on sides, evenly spread
	  3 x Twin mounts on centreline, evenly spread
		3 double raised mounts
      34 - 0.79" / 20.0 mm 70.0 cal guns - 0.26lbs / 0.12kg shells, 2,000 per gun
	  Machine guns in deck mounts, 1941 Model
	  10 x Twin mounts on sides, evenly spread
		4 raised mounts
	  7 x Twin mounts on centreline, evenly spread
		3 raised mounts
      Weight of broadside 477 lbs / 216 kg
      Main Torpedoes
      4 - 21.0" / 533 mm, 23.87 ft / 7.28 m torpedoes - 1.614 t each, 6.456 t total
	In 1 sets of deck mounted centre rotating tubes
      Main DC/AS Mortars
      2 - 390.22 lbs / 177.00 kg trainable AS Mortars + 9 reloads - 1.916 t total
      2nd DC/AS Mortars
      2 - 390.22 lbs / 177.00 kg trainable AS Mortars + 9 reloads - 1.916 t total

Armour:
   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	0.98" / 25 mm	0.39" / 10 mm		0.98" / 25 mm
	3rd:	0.24" / 6 mm	      -			      -

Machinery:
	Oil fired boilers, steam turbines,
	Geared drive, 2 shafts, 85,008 shp / 63,416 Kw = 34.50 kts
	Range 5,700nm at 15.00 kts
	Bunker at max displacement = 808 tons

Complement:
	299 - 390

Cost:
	£3.140 million / $12.560 million

Distribution of weights at normal displacement:
	Armament: 151 tons, 3.0 %
	   - Guns: 96 tons, 1.9 %
	   - Weapons: 55 tons, 1.1 %
	Armour: 18 tons, 0.4 %
	   - Armament: 18 tons, 0.4 %
	Machinery: 2,247 tons, 44.3 %
	Hull, fittings & equipment: 1,947 tons, 38.4 %
	Fuel, ammunition & stores: 658 tons, 13.0 %
	Miscellaneous weights: 45 tons, 0.9 %
	   - Hull below water: 10 tons
	   - Hull void weights: 10 tons
	   - Hull above water: 10 tons
	   - On freeboard deck: 10 tons
	   - Above deck: 5 tons

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  2,988 lbs / 1,355 Kg = 66.1 x 4.5 " / 114 mm shells or 0.5 torpedoes
	Stability (Unstable if below 1.00): 1.26
	Metacentric height 2.6 ft / 0.8 m
	Roll period: 12.8 seconds
	Steadiness	- As gun platform (Average = 50 %): 50 %
			- Recoil effect (Restricted arc if above 1.00): 0.22
	Seaboat quality  (Average = 1.00): 0.72

Hull form characteristics:
	Hull has a flush deck,
	  a straight bulbous bow and a cruiser stern
	Block coefficient (normal/deep): 0.513 / 0.521
	Length to Beam Ratio: 9.67 : 1
	'Natural speed' for length: 21.81 kts
	Power going to wave formation at top speed: 66 %
	Trim (Max stability = 0, Max steadiness = 100): 70
	Bow angle (Positive = bow angles forward): 30.00 degrees
	Stern overhang: 1.64 ft / 0.50 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	0.40 %,  18.04 ft / 5.50 m,  16.40 ft / 5.00 m
	   - Forward deck:	49.60 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
	   - Aft deck:	49.60 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
	   - Quarter deck:	0.40 %,  16.40 ft / 5.00 m,  16.40 ft / 5.00 m
	   - Average freeboard:		16.41 ft / 5.00 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 152.6 %
		- Above water (accommodation/working, high = better): 152.8 %
	Waterplane Area: 15,785 Square feet or 1,467 Square metres
	Displacement factor (Displacement / loading): 103 %
	Structure weight / hull surface area: 81 lbs/sq ft or 395 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.96
		- Longitudinal: 1.37
		- Overall: 1.00
	Cramped machinery, storage, compartmentation space
	Excellent accommodation and workspace room
	Poor seaboat, wet and uncomfortable, reduced performance in heavy weather