SpringSharpe3 trial destroyer

Started by ledeper, December 16, 2007, 03:21:58 PM

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ledeper

Enter ship name, Enter country Enter ship type laid down 1910

Displacement:
   835 t light; 860 t standard; 991 t normal; 1.096 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (284,11 ft / 275,59 ft) x 27,07 ft x (11,48 / 12,28 ft)
   (86,60 m / 84,00 m) x 8,25 m  x (3,50 / 3,74 m)

Armament:
      2 - 4,00" / 102 mm 45,0 cal guns - 32,27lbs / 14,64kg shells, 150 per gun
     Quick firing guns in deck mounts, 1910 Model
     2 x Single mounts on centreline ends, evenly spread
      2 - 1,57" / 40,0 mm 45,0 cal guns - 1,97lbs / 0,89kg shells, 150 per gun
     Quick firing guns in deck mounts, 1910 Model
     2 x Single mounts on sides amidships
      Weight of broadside 68 lbs / 31 kg
      4 - 18,0" / 457 mm, 0,00 ft / 0,00 m torpedoes - 0,000 t each, 0,000 t total
   In 2 sets of deck mounted carriage/fixed tubes
      4 - 18,0" / 457 mm, 0,00 ft / 0,00 m torpedoes - 0,000 t each, 0,000 t total
   In 1 sets of deck mounted reloads

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 20.994 shp / 15.662 Kw = 30,00 kts
   Range 2.000nm at 16,00 kts
   Bunker at max displacement = 235 tons

Complement:
   87 - 114

Cost:
   £0,108 million / $0,432 million

Distribution of weights at normal displacement:
   Armament: 13 tons, 1,3 %
   Machinery: 538 tons, 54,3 %
   Hull, fittings & equipment: 254 tons, 25,6 %
   Fuel, ammunition & stores: 156 tons, 15,8 %
   Miscellaneous weights: 30 tons, 3,0 %
      - On freeboard deck: 10 tons
      - Above deck: 20 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     280 lbs / 127 Kg = 8,8 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,42
   Metacentric height 1,3 ft / 0,4 m
   Roll period: 10,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 53 %
         - Recoil effect (Restricted arc if above 1.00): 0,09
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,405 / 0,419
   Length to Beam Ratio: 10,18 : 1
   'Natural speed' for length: 16,60 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 25,00 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 %,  18,27 ft / 5,57 m,  11,61 ft / 3,54 m
      - Forward deck:   30,00 %,  11,61 ft / 3,54 m,  11,61 ft / 3,54 m
      - Aft deck:   35,00 %,  11,61 ft / 3,54 m,  11,61 ft / 3,54 m
      - Quarter deck:   15,00 %,  11,61 ft / 3,54 m,  11,61 ft / 3,54 m
      - Average freeboard:      12,15 ft / 3,70 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 178,8 %
      - Above water (accommodation/working, high = better): 117,1 %
   Waterplane Area: 4.605 Square feet or 428 Square metres
   Displacement factor (Displacement / loading): 55 %
   Structure weight / hull surface area: 27 lbs/sq ft or 130 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,51
      - Longitudinal: 2,30
      - Overall: 0,60
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is adequate

ledeper



Another test ,Weigth of Topedoes made by increase of Torpedo-length
Acheron Class, Enter country Enter ship type laid down 1910
Displacement:
   455 t light; 479 t standard; 527 t normal; 566 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (220,75 ft / 213,25 ft) x 19,69 ft x (11,48 / 12,04 ft)
   (67,28 m / 65,00 m) x 6,00 m  x (3,50 / 3,67 m)

Armament:
      2 - 4,00" / 102 mm 45,0 cal guns - 32,27lbs / 14,64kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1910 Model
     2 x Single mounts on centreline ends, evenly spread
      2 - 1,57" / 40,0 mm 45,0 cal guns - 1,97lbs / 0,89kg shells, 150 per gun
     Quick firing guns in deck and hoist mounts, 1910 Model
     2 x Single mounts on sides amidships
      Weight of broadside 68 lbs / 31 kg
      4 - 21,0" / 533 mm, 32,46 ft / 9,89 m torpedoes - 2,000 t each, 7,999 t total
   In 2 sets of deck mounted centre rotating tubes

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 1 shaft, 11.429 shp / 8.526 Kw = 27,70 kts
   Range 1.000nm at 16,00 kts
   Bunker at max displacement = 87 tons

Complement:
   54 - 71

Cost:
   £0,060 million / $0,239 million

Distribution of weights at normal displacement:
   Armament: 27 tons, 5,2 %
      - Guns: 19 tons, 3,7 %
      - Torpedoes: 8 tons, 1,5 %
   Machinery: 266 tons, 50,4 %
   Hull, fittings & equipment: 157 tons, 29,7 %
   Fuel, ammunition & stores: 73 tons, 13,8 %
   Miscellaneous weights: 5 tons, 0,9 %
      - Above deck: 5 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     128 lbs / 58 Kg = 4,0 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,02
   Metacentric height 0,5 ft / 0,1 m
   Roll period: 12,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 61 %
         - Recoil effect (Restricted arc if above 1.00): 0,76
   Seaboat quality  (Average = 1.00): 1,25

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,383 / 0,392
   Length to Beam Ratio: 10,83 : 1
   'Natural speed' for length: 14,60 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 49
   Bow angle (Positive = bow angles forward): 25,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   25,00 %,  16,08 ft / 4,90 m,  10,24 ft / 3,12 m
      - Forward deck:   30,00 %,  10,24 ft / 3,12 m,  10,24 ft / 3,12 m
      - Aft deck:   30,00 %,  10,24 ft / 3,12 m,  10,24 ft / 3,12 m
      - Quarter deck:   15,00 %,  10,24 ft / 3,12 m,  10,24 ft / 3,12 m
      - Average freeboard:      10,82 ft / 3,30 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 174,4 %
      - Above water (accommodation/working, high = better): 40,7 %
   Waterplane Area: 2.414 Square feet or 224 Square metres
   Displacement factor (Displacement / loading): 52 %
   Structure weight / hull surface area: 24 lbs/sq ft or 116 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 4,86
      - Overall: 0,63
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is extremely poor
   Good seaboat, rides out heavy weather easily