River Gunboats

[Desertfox]

Order of Battle

Mallaganes class (1894)
4 in class, PURCHASED 1916

[Desertfox]

Mallaganes, Spain Gunboat laid down 1894

Displacement:
   253 t light; 274 t standard; 281 t normal; 286 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (175,20 ft / 175,20 ft) x 23,62 ft x (6,23 / 6,32 ft)
   (53,40 m / 53,40 m) x 7,20 m  x (1,90 / 1,93 m)

Armament:
      2 - 5,51" / 140 mm 35,0 cal guns - 78,50lbs / 35,61kg shells, 150 per gun
     Breech loading guns in deck mounts, 1894 Model
     2 x Single mounts on centreline ends, evenly spread
      4 - 2,24" / 57,0 mm 40,0 cal guns - 5,42lbs / 2,46kg shells, 150 per gun
     Breech loading guns in deck mounts, 1894 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 179 lbs / 81 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   2,36" / 60 mm         -               -
   2nd:   0,20" / 5 mm         -               -

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 485 ihp / 362 Kw = 13,50 kts
   Range 1 000nm at 6,00 kts
   Bunker at max displacement = 13 tons (100% coal)

Complement:
   33 - 44

Cost:
   £0,027 million / $0,110 million

Distribution of weights at normal displacement:
   Armament: 22 tons, 7,8%
      - Guns: 22 tons, 7,8%
   Armour: 14 tons, 5,1%
      - Armament: 14 tons, 5,1%
   Machinery: 84 tons, 29,8%
   Hull, fittings & equipment: 129 tons, 46,1%
   Fuel, ammunition & stores: 28 tons, 9,8%
   Miscellaneous weights: 4 tons, 1,4%
      - Hull above water: 2 tons
      - On freeboard deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     301 lbs / 137 Kg = 3,6 x 5,5 " / 140 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,42
   Metacentric height 1,1 ft / 0,3 m
   Roll period: 9,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 88 %
         - Recoil effect (Restricted arc if above 1.00): 0,44
   Seaboat quality  (Average = 1.00): 1,76

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,381 / 0,384
   Length to Beam Ratio: 7,42 : 1
   'Natural speed' for length: 13,24 kts
   Power going to wave formation at top speed: 39 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 0,00 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%,  8,86 ft / 2,70 m,  7,22 ft / 2,20 m
      - Forward deck:   30,00%,  7,22 ft / 2,20 m,  7,22 ft / 2,20 m
      - Aft deck:   35,00%,  7,22 ft / 2,20 m,  7,22 ft / 2,20 m
      - Quarter deck:   15,00%,  7,22 ft / 2,20 m,  7,55 ft / 2,30 m
      - Average freeboard:      7,37 ft / 2,25 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 123,2%
      - Above water (accommodation/working, high = better): 99,0%
   Waterplane Area: 2 377 Square feet or 221 Square metres
   Displacement factor (Displacement / loading): 112%
   Structure weight / hull surface area: 38 lbs/sq ft or 186 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,90
      - Longitudinal: 2,46
      - Overall: 1,00
   Cramped machinery, storage, compartmentation space
   Adequate 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


***


Refurbishment of the Magallanes to Japanese standards. Main changes are armament from 2x140mm + 4x57mm to 2x5" + 2x2" Gatlings.

Cost $0.3 and 0.1 BP for all 4

Magallanes class, Iberia/Japan River Gunboat laid down 1894

Displacement:
   254 t light; 274 t standard; 281 t normal; 287 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (176.77 ft / 175.20 ft) x 23.62 ft x (6.24 / 6.32 ft)
   (53.88 m / 53.40 m) x 7.20 m  x (1.90 / 1.93 m)

Armament:
      2 - 5.00" / 127 mm 45.0 cal guns - 63.03lbs / 28.59kg shells, 170 per gun
     Quick firing guns in deck mounts, 1894 Model
     2 x Single mounts on centreline ends, evenly spread
      6 - 2.00" / 50.8 mm 45.0 cal guns - 4.03lbs / 1.83kg shells, 200 per gun
     Quick firing guns in deck mounts, 1894 Model
     2 x Triple mounts on centreline, evenly spread
      2 raised mounts
      4 - 0.50" / 12.7 mm 45.0 cal guns - 0.06lbs / 0.03kg shells, 150 per gun
     Machine guns in deck mounts, 1894 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 151 lbs / 68 kg

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

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 485 ihp / 362 Kw = 13.50 kts
   Range 1,000nm at 6.00 kts
   Bunker at max displacement = 13 tons (100% coal)

Complement:
   33 - 44

Cost:
   £0.028 million / $0.112 million

Distribution of weights at normal displacement:
   Armament: 26 tons, 9.4 %
      - Guns: 26 tons, 9.4 %
   Armour: 10 tons, 3.5 %
      - Armament: 10 tons, 3.5 %
   Machinery: 84 tons, 29.8 %
   Hull, fittings & equipment: 126 tons, 44.8 %
   Fuel, ammunition & stores: 27 tons, 9.7 %
   Miscellaneous weights: 8 tons, 2.8 %
      - On freeboard deck: 5 tons
      - Above deck: 3 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     297 lbs / 135 Kg = 4.8 x 5.0 " / 127 mm shells or 0.3 torpedoes
   Stability (Unstable if below 1.00): 1.41
   Metacentric height 1.0 ft / 0.3 m
   Roll period: 9.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.38
   Seaboat quality  (Average = 1.00): 1.71

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.381 / 0.384
   Length to Beam Ratio: 7.42 : 1
   'Natural speed' for length: 13.24 kts
   Power going to wave formation at top speed: 39 %
   Trim (Max stability = 0, Max steadiness = 100): 41
   Bow angle (Positive = bow angles forward): 10.00 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 %,  8.90 ft / 2.71 m,  7.20 ft / 2.19 m
      - Forward deck:   30.00 %,  7.20 ft / 2.19 m,  7.20 ft / 2.19 m
      - Aft deck:   35.00 %,  7.20 ft / 2.19 m,  7.20 ft / 2.19 m
      - Quarter deck:   15.00 %,  7.20 ft / 2.19 m,  7.20 ft / 2.19 m
      - Average freeboard:      7.34 ft / 2.24 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 124.0 %
      - Above water (accommodation/working, high = better): 98.8 %
   Waterplane Area: 2,377 Square feet or 221 Square metres
   Displacement factor (Displacement / loading): 110 %
   Structure weight / hull surface area: 38 lbs/sq ft or 187 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.91
      - Longitudinal: 2.37
      - Overall: 1.00
   Cramped machinery, storage, compartmentation space
   Adequate 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

3t - FC
5t - Troop facilities