Torpedo Boats

Started by TexanCowboy, August 04, 2009, 05:24:42 PM

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TexanCowboy

Bogdan-Class, Romania Torpedo Boat laid down 1895 (Scraped 1917)
Kapitan Bogdan, Major Konstantin, Kapitan Michail, Major Dimitre, Major George, Major Ioann, Leutenant Dimitre, Kapitan Marachinenu- (Kapitan Bodgan to France)

Displacement:
   76 t light; 78 t standard; 79 t normal; 80 t full load

Dimensions: Length overall / water x beam x draught
   90.00 ft / 90.00 ft x 12.00 ft x 6.00 ft (normal load)
   27.43 m / 27.43 m x 3.66 m  x 1.83 m

Armament:
     1 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1895 Model
     Quick firing gun in deck mount
     on centreline forward
     2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1895 Model
     Machine guns in deck mounts
     on side, evenly spread
     1 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1895 Model
     Breech loading gun in deck mount
     on centreline aft
   Weight of broadside 3 lbs / 2 kg
   Shells per gun, main battery: 0
   2 - 15.0" / 381 mm above water torpedoes

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

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 974 ihp / 726 Kw = 18.00 kts
   Range 300nm at 7.00 kts
   Bunker at max displacement = 3 tons (100% coal)
     Caution: Delicate, lightweight machinery
Calculater Adjusted Speed:24 kts

Complement:
   13 - 17

Cost:
   £0.009 million / $0.038 million

Distribution of weights at normal displacement:
   Armament: 0 tons, 0.5 %
   Armour: 1 tons, 1.1 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 1 tons, 1.1 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 46 tons, 58.1 %
   Hull, fittings & equipment: 25 tons, 31.4 %
   Fuel, ammunition & stores: 3 tons, 3.9 %
   Miscellaneous weights: 4 tons, 5.1 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     19 lbs / 9 Kg = 6.0 x 1.9 " / 47 mm shells or 0.1 torpedoes
   Stability (Unstable if below 1.00): 1.08
   Metacentric height 0.2 ft / 0.1 m
   Roll period: 10.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 43 %
         - Recoil effect (Restricted arc if above 1.00): 0.09
   Seaboat quality  (Average = 1.00): 1.14

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.427
   Length to Beam Ratio: 7.50 : 1
   'Natural speed' for length: 9.49 kts
   Power going to wave formation at top speed: 73 %
   Trim (Max stability = 0, Max steadiness = 100): 33
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      11.00 ft / 3.35 m
      - Forecastle (20 %):   7.00 ft / 2.13 m
      - Mid (50 %):      7.00 ft / 2.13 m
      - Quarterdeck (15 %):   7.00 ft / 2.13 m
      - Stern:      7.00 ft / 2.13 m
      - Average freeboard:   7.32 ft / 2.23 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 196.5 %
      - Above water (accommodation/working, high = better): 23.0 %
   Waterplane Area: 642 Square feet or 60 Square metres
   Displacement factor (Displacement / loading): 23 %
   Structure weight / hull surface area: 13 lbs/sq ft or 61 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 11.77
      - Overall: 0.68
   Caution: Hull subject to strain in open-sea
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is extremely poor

TexanCowboy

#1
Light firepower (Still heavier than Korpens original), but the best speed so far.

Virtejul, Romania Torpedoboat laid down 1892
Virtejul, Smeul, Sofia, and the Buenes Aries(for the nation that designed them)

Displacement:
  200 t light; 206 t standard; 232 t normal; 253 t full load

Dimensions: Length overall / water x beam x draught
  196.85 ft / 196.85 ft x 16.40 ft x 6.23 ft (normal load)
  60.00 m / 60.00 m x 5.00 m  x 1.90 m

Armament:
     2 - 1.85" / 47.0 mm guns in single mounts, 3.17lbs / 1.44kg shells, 1892 Model
    Breech loading guns in deck mounts
    on centreline ends, evenly spread
     6 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1892 Model
    Quick firing guns in deck mounts
    on side, evenly spread
  Weight of broadside 8 lbs / 4 kg
  Shells per gun, main battery: 200
  3 - 18.0" / 457 mm above water torpedoes

Machinery:
  Coal fired boilers, complex reciprocating steam engines,
  Direct drive, 2 shafts, 4,142 ihp / 3,090 Kw = 24.50 kts
  Range 1,000nm at 12.00 kts
  Bunker at max displacement = 47 tons (100% coal)
    Caution: Delicate, lightweight machinery
Calculater Adjusted speed:30.5 kts

Complement:
  29 - 38

Cost:
  £0.028 million / $0.112 million

Distribution of weights at normal displacement:
  Armament: 1 tons, 0.4 %
  Machinery: 144 tons, 62.0 %
  Hull, fittings & equipment: 52 tons, 22.5 %
  Fuel, ammunition & stores: 32 tons, 13.7 %
  Miscellaneous weights: 3 tons, 1.3 %

Overall survivability and seakeeping ability:
  Survivability (Non-critical penetrating hits needed to sink ship):
    36 lbs / 16 Kg = 11.2 x 1.9 " / 47 mm shells or 0.1 torpedoes
  Stability (Unstable if below 1.00): 1.10
  Metacentric height 0.4 ft / 0.1 m
  Roll period: 10.9 seconds
  Steadiness   - As gun platform (Average = 50 %): 64 %
        - Recoil effect (Restricted arc if above 1.00): 0.05
  Seaboat quality  (Average = 1.00): 0.71

Hull form characteristics:
  Hull has raised forecastle, rise forward of midbreak, low quarterdeck
  Block coefficient: 0.403
  Length to Beam Ratio: 12.00 : 1
  'Natural speed' for length: 14.03 kts
  Power going to wave formation at top speed: 62 %
  Trim (Max stability = 0, Max steadiness = 100): 91
  Bow angle (Positive = bow angles forward): 0.00 degrees
  Stern overhang: -1.97 ft / -0.60 m
  Freeboard (% = measuring location as a percentage of overall length):
     - Stem:      6.89 ft / 2.10 m
     - Forecastle (20 %):   6.56 ft / 2.00 m (6.23 ft / 1.90 m aft of break)
     - Mid (50 %):      5.91 ft / 1.80 m (5.58 ft / 1.70 m aft of break)
     - Quarterdeck (15 %):   4.92 ft / 1.50 m (5.25 ft / 1.60 m before break)
     - Stern:      4.59 ft / 1.40 m
     - Average freeboard:   5.77 ft / 1.76 m
  Ship tends to be wet forward

Ship space, strength and comments:
  Space   - Hull below water (magazines/engines, low = better): 204.9 %
     - Above water (accommodation/working, high = better): 39.6 %
  Waterplane Area: 1,992 Square feet or 185 Square metres
  Displacement factor (Displacement / loading): 16 %
  Structure weight / hull surface area: 15 lbs/sq ft or 73 Kg/sq metre
  Hull strength (Relative):
     - Cross-sectional: 0.50
     - Longitudinal: 0.69
     - Overall: 0.51
  Hull space for machinery, storage, compartmentation is extremely poor
  Room for accommodation and workspaces is extremely poor
  Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

TexanCowboy

#2
Pluche, French Small torpedo boat destroyer laid down 1909
7 Purchased
Paris, Chalons, Orleans, Metz, Sedan, Coulmiers, Burgandy, Calcutta

Displacement:
  346 t light; 356 t standard; 386 t normal; 410 t full load

Dimensions: Length overall / water x beam x draught
  223,10 ft / 219,82 ft x 21,33 ft x 6,56 ft (normal load)
  68,00 m / 67,00 m x 6,50 m  x 2,00 m

Armament:
     2 - 2,76" / 70,0 mm guns in single mounts, 10,47lbs / 4,75kg shells, 1909 Model
    Quick firing guns in deck mounts
    on centreline ends, evenly spread
     2 - 0,98" / 25,0 mm guns in single mounts, 0,48lbs / 0,22kg shells, 1909 Model
    Machine guns in deck mounts
    on centreline ends, evenly spread, all raised mounts
  Weight of broadside 22 lbs / 10 kg
  Shells per gun, main battery: 120
  2 - 20,0" / 508 mm above water torpedoes

Machinery:
  Oil fired boilers, steam turbines,
  Direct drive, 2 shafts, 8.517 shp / 6.353 Kw = 27,00 kts
  Calculator adjusted speed 30.5kts
  Range 1.500nm at 12,00 kts
  Bunker at max displacement = 54 tons

Complement:
  43 - 56

Cost:
  £0,043 million / $0,171 million

Distribution of weights at normal displacement:
  Armament: 3 tons, 0,7%
  Machinery: 202 tons, 52,5%
  Hull, fittings & equipment: 131 tons, 34,0%
  Fuel, ammunition & stores: 39 tons, 10,2%
  Miscellaneous weights: 10 tons, 2,6%

Overall survivability and seakeeping ability:
  Survivability (Non-critical penetrating hits needed to sink ship):
    135 lbs / 61 Kg = 12,9 x 2,8 " / 70 mm shells or 0,2 torpedoes
  Stability (Unstable if below 1.00): 1,23
  Metacentric height 0,7 ft / 0,2 m
  Roll period: 10,5 seconds
  Steadiness   - As gun platform (Average = 50 %): 74 %
        - Recoil effect (Restricted arc if above 1.00): 0,10
  Seaboat quality  (Average = 1.00): 1,24

Hull form characteristics:
  Hull has a flush deck
  Block coefficient: 0,439
  Length to Beam Ratio: 10,31 : 1
  'Natural speed' for length: 14,83 kts
  Power going to wave formation at top speed: 68 %
  Trim (Max stability = 0, Max steadiness = 100): 60
  Bow angle (Positive = bow angles forward): -5,00 degrees
  Stern overhang: 3,28 ft / 1,00 m
  Freeboard (% = measuring location as a percentage of overall length):
     - Stem:      16,40 ft / 5,00 m
     - Forecastle (20%):   10,50 ft / 3,20 m
     - Mid (50%):      10,50 ft / 3,20 m
     - Quarterdeck (15%):   10,50 ft / 3,20 m
     - Stern:      9,84 ft / 3,00 m
     - Average freeboard:   10,92 ft / 3,33 m

Ship space, strength and comments:
  Space   - Hull below water (magazines/engines, low = better): 177,6%
     - Above water (accommodation/working, high = better): 101,1%
  Waterplane Area: 2.964 Square feet or 275 Square metres
  Displacement factor (Displacement / loading): 48%
  Structure weight / hull surface area: 20 lbs/sq ft or 97 Kg/sq metre
  Hull strength (Relative):
     - Cross-sectional: 0,50
     - Longitudinal: 3,26
     - Overall: 0,60
  Hull space for machinery, storage, compartmentation is cramped
  Room for accommodation and workspaces is adequate
  Ship has slow, easy roll, a good, steady gun platform
  Good seaboat, rides out heavy weather easily

Misc weight
4 tons torpedo and tubes
5 tons very small marconi
1 ton crew comfort messures (Insulation, heating and ventilation/cooling of the messroom)

TexanCowboy

Ex-Peruvian, but considered surplus to requirments, not to mention unseaworthy. Given as a gift of sorts.

200t, Romania(ex-Peru) CTB laid down 1915 (Engine 1912)
Lima

Displacement:
  200 t light; 206 t standard; 234 t normal; 255 t full load

Dimensions: Length overall / water x beam x draught
  178.31 ft / 177.17 ft x 16.88 ft x 6.92 ft (normal load)
  54.35 m / 54.00 m x 5.15 m  x 2.11 m

Armament:
     1 - 3.54" / 90.0 mm guns in single mounts, 22.24lbs / 10.09kg shells, 1915 Model
    Quick firing gun in deck mount
    on centreline
     2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1915 Model
    Machine guns in deck mounts
    on side, evenly spread
  Weight of broadside 22 lbs / 10 kg
  Shells per gun, main battery: 175
  3 - 18.0" / 457.2 mm above water torpedoes

Armour:
  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
  Main:   0.79" / 20 mm         -               -
  2nd:   0.50" / 13 mm         -               -

Machinery:
  Oil fired boilers, steam turbines,
  Geared drive, 2 shafts, 7 000 shp / 5 222 Kw = 27.16 kts
  Range 200nm at 27.00 kts
  2150nm at 12kts
  Bunker at max displacement = 49 tons

Complement:
  29 - 38

Cost:
  £0.039 million / $0.155 million

Distribution of weights at normal displacement:
  Armament: 3 tons, 1.2 %
  Armour: 2 tons, 0.7 %
     - Belts: 0 tons, 0.0 %
     - Torpedo bulkhead: 0 tons, 0.0 %
     - Armament: 2 tons, 0.7 %
     - Armour Deck: 0 tons, 0.0 %
     - Conning Tower: 0 tons, 0.0 %
  Machinery: 124 tons, 53.0 %
  Hull, fittings & equipment: 65 tons, 28.0 %
  Fuel, ammunition & stores: 34 tons, 14.6 %
  Miscellaneous weights: 6 tons, 2.6 %

Overall survivability and seakeeping ability:
  Survivability (Non-critical penetrating hits needed to sink ship):
    54 lbs / 25 Kg = 2.4 x 3.5 " / 90 mm shells or 0.1 torpedoes
  Stability (Unstable if below 1.00): 1.14
  Metacentric height 0.4 ft / 0.1 m
  Roll period: 10.6 seconds
  Steadiness   - As gun platform (Average = 50 %): 48 %
        - Recoil effect (Restricted arc if above 1.00): 0.14
  Seaboat quality  (Average = 1.00): 0.65

Hull form characteristics:
  Hull has a flush deck
  Block coefficient: 0.395
  Length to Beam Ratio: 10.50 : 1
  'Natural speed' for length: 13.31 kts
  Power going to wave formation at top speed: 71 %
  Trim (Max stability = 0, Max steadiness = 100): 69
  Bow angle (Positive = bow angles forward): 5.00 degrees
  Stern overhang: 0.00 ft / 0.00 m
  Freeboard (% = measuring location as a percentage of overall length):
     - Stem:      13.12 ft / 4.00 m
     - Forecastle (18 %):   9.84 ft / 3.00 m
     - Mid (50 %):      5.91 ft / 1.80 m
     - Quarterdeck (15 %):   5.91 ft / 1.80 m
     - Stern:      5.25 ft / 1.60 m
     - Average freeboard:   7.43 ft / 2.27 m
  Ship tends to be wet forward

Ship space, strength and comments:
  Space   - Hull below water (magazines/engines, low = better): 183.2 %
     - Above water (accommodation/working, high = better): 40.6 %
  Waterplane Area: 1 836 Square feet or 171 Square metres
  Displacement factor (Displacement / loading): 40 %
  Structure weight / hull surface area: 17 lbs/sq ft or 83 Kg/sq metre
  Hull strength (Relative):
     - Cross-sectional: 0.50
     - Longitudinal: 2.12
     - Overall: 0.57
  Hull space for machinery, storage, compartmentation is cramped
  Room for accommodation and workspaces is extremely poor
  Caution: Lacks seaworthiness - very limited seakeeping ability