Torpedoboote (Torpedo Boats)

[Nobody]

SM T 1-10
200 t TB, German torpedo boat laid down 1893

Displacement:
   200 t light; 206 t standard; 247 t normal; 281 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (168,48 ft / 164,04 ft) x 18,04 ft x (5,25 / 5,83 ft)
   (51,35 m / 50,00 m) x 5,50 m  x (1,60 / 1,78 m)

Armament:
      1 - 1,97" / 50,0 mm 40,0 cal gun - 3,86lbs / 1,75kg shells, 250 per gun
     Quick firing gun in deck mount, 1893 Model
     1 x Single mount on centreline amidships (forward deck)
      Weight of broadside 4 lbs / 2 kg
      Main Torpedoes
      1 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedo - 0,410 t total
   submerged bow tube
      2nd Torpedoes
      2 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedoes - 0,410 t each, 0,821 t total
   In 2 sets of deck mounted carriage/fixed tubes

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 2.853 ihp / 2.128 Kw = 21,00 kts
   Range 1.500nm at 12,00 kts
   Bunker at max displacement = 75 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   30 - 40

Cost:
   £0,028 million / $0,110 million

Distribution of weights at normal displacement:
   Armament: 3 tons, 1,0%
      - Guns: 1 tons, 0,3%
      - Weapons: 2 tons, 0,7%
   Machinery: 146 tons, 58,9%
   Hull, fittings & equipment: 50 tons, 20,2%
   Fuel, ammunition & stores: 47 tons, 19,1%
   Miscellaneous weights: 2 tons, 0,8%
      - On freeboard deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     49 lbs / 22 Kg = 13,0 x 2,0 " / 50 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,74
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 7,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 54 %
         - Recoil effect (Restricted arc if above 1.00): 0,01
   Seaboat quality  (Average = 1.00): 0,89

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0,557 / 0,569
   Length to Beam Ratio: 9,09 : 1
   'Natural speed' for length: 12,81 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 60
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 3,28 ft / 1,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00%,  6,56 ft / 2,00 m,  17,06 ft / 5,20 m
      - Forward deck:   30,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
      - Aft deck:   35,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
      - Quarter deck:   15,00%,  5,91 ft / 1,80 m,  4,92 ft / 1,50 m
      - Average freeboard:      7,22 ft / 2,20 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 205,5%
      - Above water (accommodation/working, high = better): 74,1%
   Waterplane Area: 2.019 Square feet or 188 Square metres
   Displacement factor (Displacement / loading): 25%
   Structure weight / hull surface area: 14 lbs/sq ft or 69 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,16
      - Overall: 0,54
   Caution: Hull subject to strain in open-sea
   Extremely poor machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Trial Speed: 26.89

[Nobody]

SM T 11-30
250 t TB, German torpedo boat laid down 1897

Displacement:
   250 t light; 258 t standard; 315 t normal; 361 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (194,73 ft / 190,29 ft) x 17,06 ft x (6,56 / 7,31 ft)
   (59,35 m / 58,00 m) x 5,20 m  x (2,00 / 2,23 m)

Armament:
      3 - 1,97" / 50,0 mm 40,0 cal guns - 3,86lbs / 1,75kg shells, 250 per gun
     Quick firing guns in deck mounts, 1897 Model
     3 x Single mounts on centreline, evenly spread
      Weight of broadside 12 lbs / 5 kg
      Main Torpedoes
      1 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedo - 0,472 t total
   submerged bow tube
      2nd Torpedoes
      2 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedoes - 0,472 t each, 0,944 t total
   In 2 sets of deck mounted carriage/fixed tubes

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 4.237 ihp / 3.161 Kw = 23,00 kts
   Range 2.000nm at 12,00 kts
   Bunker at max displacement = 102 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   36 - 48

Cost:
   £0,036 million / $0,142 million

Distribution of weights at normal displacement:
   Armament: 4 tons, 1,3%
      - Guns: 2 tons, 0,7%
      - Weapons: 2 tons, 0,7%
   Machinery: 187 tons, 59,4%
   Hull, fittings & equipment: 56 tons, 17,7%
   Fuel, ammunition & stores: 65 tons, 20,6%
   Miscellaneous weights: 3 tons, 1,0%
      - On freeboard deck: 3 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     56 lbs / 25 Kg = 14,7 x 2,0 " / 50 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,66
   Metacentric height 0,8 ft / 0,2 m
   Roll period: 7,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 41 %
         - Recoil effect (Restricted arc if above 1.00): 0,04
   Seaboat quality  (Average = 1.00): 0,56

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0,518 / 0,532
   Length to Beam Ratio: 11,15 : 1
   'Natural speed' for length: 13,79 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 60
   Bow angle (Positive = bow angles forward): 10,00 degrees
   Stern overhang: 3,28 ft / 1,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00%,  6,56 ft / 2,00 m,  8,20 ft / 2,50 m
      - Forward deck:   30,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
      - Aft deck:   35,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
      - Quarter deck:   15,00%,  5,91 ft / 1,80 m,  4,92 ft / 1,50 m
      - Average freeboard:      6,16 ft / 1,88 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 205,1%
      - Above water (accommodation/working, high = better): 64,9%
   Waterplane Area: 2.121 Square feet or 197 Square metres
   Displacement factor (Displacement / loading): 23%
   Structure weight / hull surface area: 15 lbs/sq ft or 74 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,53
      - Longitudinal: 0,72
      - Overall: 0,54
   Caution: Hull subject to strain in open-sea
   Extremely poor machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Caution: Lacks seaworthiness - very limited seakeeping ability

Trial Speed: 27.95

[Nobody]

SM T 31-60
350 t TB, German torpedo boat laid down 1899

Displacement:
   350 t light; 362 t standard; 427 t normal; 479 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (208,99 ft / 205,71 ft) x 21,98 ft x (8,20 / 8,85 ft)
   (63,70 m / 62,70 m) x 6,70 m  x (2,50 / 2,70 m)

Armament:
      1 - 3,46" / 88,0 mm 35,0 cal gun - 15,43lbs / 7,00kg shells, 150 per gun
     Quick firing gun in deck mount, 1899 Model
     1 x Single mount on centreline, aft deck centre
      4 - 1,97" / 50,0 mm 40,0 cal guns - 3,86lbs / 1,75kg shells, 250 per gun
     Quick firing guns in deck mounts, 1899 Model
     4 x Single mounts on sides, evenly spread
      Weight of broadside 31 lbs / 14 kg
      Main Torpedoes
      1 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedo - 0,507 t total
   In a deck mounted centre rotating tube
      2nd Torpedoes
      2 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedoes - 0,507 t each, 1,014 t total
   In 2 sets of deck mounted carriage/fixed tubes

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 5.670 ihp / 4.230 Kw = 24,00 kts
   Range 800nm at 17,00 kts
   Bunker at max displacement = 117 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   46 - 61

Cost:
   £0,049 million / $0,196 million

Distribution of weights at normal displacement:
   Armament: 8 tons, 1,8%
      - Guns: 6 tons, 1,3%
      - Weapons: 2 tons, 0,5%
   Machinery: 252 tons, 58,9%
   Hull, fittings & equipment: 88 tons, 20,5%
   Fuel, ammunition & stores: 77 tons, 18,0%
   Miscellaneous weights: 3 tons, 0,7%
      - On freeboard deck: 3 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     91 lbs / 41 Kg = 4,4 x 3,5 " / 88 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,55
   Metacentric height 1,1 ft / 0,3 m
   Roll period: 8,9 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,07
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0,403 / 0,419
   Length to Beam Ratio: 9,36 : 1
   'Natural speed' for length: 14,34 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 3,28 ft / 1,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00%,  13,12 ft / 4,00 m,  12,89 ft / 3,93 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,  7,22 ft / 2,20 m
      - Average freeboard:      8,37 ft / 2,55 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 193,9%
      - Above water (accommodation/working, high = better): 72,3%
   Waterplane Area: 2.788 Square feet or 259 Square metres
   Displacement factor (Displacement / loading): 24%
   Structure weight / hull surface area: 18 lbs/sq ft or 88 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,33
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

Trial Speed: 27.86