No. 1895-Class Gunboat [1895] (Pulau)

No. 1895-Class, Republic of Pulau Gunboat laid down 1895

Displacement:
	123 t light; 135 t standard; 157 t normal; 175 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
	(96.00 ft / 95.00 ft) x 16.00 ft x (6.00 / 6.57 ft)
	(29.26 m / 28.96 m) x 4.88 m  x (1.83 / 2.00 m)

Armament:
      2 - 3.00" / 76.2 mm 40.0 cal guns - 12.74lbs / 5.78kg shells, 100 per gun
	  Quick firing guns in deck mounts, 1890 Model
	  2 x Single mounts on centreline, evenly spread
      16 - 2.00" / 50.8 mm 12.0 cal guns - 3.52lbs / 1.60kg shells, 250 per gun
	  Quick firing guns in deck mounts, 1895 Model
	  4 x Quad mounts on sides, evenly spread
      2 - 0.50" / 12.7 mm 50.0 cal guns - 0.07lbs / 0.03kg shells, 2,500 per gun
	  Machine guns in deck mounts, 1895 Model
	  2 x Single mounts on centreline, evenly spread
		2 raised mounts
      Weight of broadside 82 lbs / 37 kg
      Main Torpedoes
      2 - 16.0" / 406 mm, 13.12 ft / 4.00 m torpedoes - 0.392 t each, 0.784 t total
	In 2 sets of deck mounted carriage/fixed tubes

Armour:
   - Gun armour:	Face (max)	Other gunhouse (avg)	Barbette/hoist (max)
	Main:	1.00" / 25 mm	0.50" / 13 mm		      -
	2nd:	1.00" / 25 mm	      -			      -

   - Conning towers: Forward 2.00" / 51 mm, Aft 0.00" / 0 mm

Machinery:
	Coal fired boilers, complex reciprocating steam engines,
	Direct drive, 1 shaft, 295 ihp / 220 Kw = 12.00 kts
	Range 1,500nm at 10.00 kts
	Bunker at max displacement = 40 tons (100% coal)

Complement:
	21 - 28

Cost:
	£0.013 million / $0.053 million

Distribution of weights at normal displacement:
	Armament: 8 tons, 5.2 %
	   - Guns: 7 tons, 4.5 %
	   - Weapons: 1 tons, 0.6 %
	Armour: 17 tons, 10.9 %
	   - Armament: 16 tons, 10.1 %
	   - Conning Tower: 1 tons, 0.8 %
	Machinery: 50 tons, 31.8 %
	Hull, fittings & equipment: 47 tons, 30.1 %
	Fuel, ammunition & stores: 35 tons, 22.1 %
	Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
	Survivability (Non-critical penetrating hits needed to sink ship):
	  151 lbs / 68 Kg = 11.2 x 3.0 " / 76 mm shells or 0.7 torpedoes
	Stability (Unstable if below 1.00): 1.57
	Metacentric height 0.7 ft / 0.2 m
	Roll period: 8.1 seconds
	Steadiness	- As gun platform (Average = 50 %): 77 %
			- Recoil effect (Restricted arc if above 1.00): 0.57
	Seaboat quality  (Average = 1.00): 1.55

Hull form characteristics:
	Hull has a flush deck,
	  a ram bow and a cruiser stern
	Block coefficient (normal/deep): 0.604 / 0.614
	Length to Beam Ratio: 5.94 : 1
	'Natural speed' for length: 9.75 kts
	Power going to wave formation at top speed: 61 %
	Trim (Max stability = 0, Max steadiness = 100): 50
	Bow angle (Positive = bow angles forward): -5.00 degrees
	Stern overhang: -2.00 ft / -0.61 m
	Freeboard (% = length of deck as a percentage of waterline length):
				Fore end,	 Aft end
	   - Forecastle:	10.00 %,  7.50 ft / 2.29 m,  7.00 ft / 2.13 m
	   - Forward deck:	30.00 %,  7.00 ft / 2.13 m,  6.00 ft / 1.83 m
	   - Aft deck:	50.00 %,  6.00 ft / 1.83 m,  6.00 ft / 1.83 m
	   - Quarter deck:	10.00 %,  6.00 ft / 1.83 m,  6.00 ft / 1.83 m
	   - Average freeboard:		6.27 ft / 1.91 m
	Ship tends to be wet forward

Ship space, strength and comments:
	Space	- Hull below water (magazines/engines, low = better): 120.5 %
		- Above water (accommodation/working, high = better): 59.3 %
	Waterplane Area: 1,092 Square feet or 101 Square metres
	Displacement factor (Displacement / loading): 115 %
	Structure weight / hull surface area: 27 lbs/sq ft or 130 Kg/sq metre
	Hull strength (Relative):
		- Cross-sectional: 0.83
		- Longitudinal: 5.28
		- 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