NS 1915 Ship Proposals

[Sachmle]

2 - 4.00" / 102 mm guns (1x2 guns), 32.00lbs / 14.51kg shells, 1915 Model
     Breech loading guns in a deck mount with hoist
     on side

and which side is this lone mount on?

[The Rock Doctor]

The side facing the target, of course.

[Tanthalas]

OOPS... it was suposed to be aft

[Tanthalas]

After Reviewing the Most Recent Janes, New Swiss Naval High Command has realised how Dated our Torpedo boat forces have become, as such we are issuing a call for a new 500 ton Torpedo Boat to replace the midrid inferior classes now in service, as such I present the TB-1916 for your Review.

TB-1916, USNS Torpedo Boat laid down 1916

Displacement:
   500 t light; 517 t standard; 601 t normal; 668 t full load

Dimensions: Length overall / water x beam x draught
   227.00 ft / 220.00 ft x 20.00 ft x 12.50 ft (normal load)
   69.19 m / 67.06 m x 6.10 m  x 3.81 m

Armament:
      3 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1916 Model
     Quick firing guns in deck mounts
     on centreline ends, majority forward, 1 raised mount
      4 - 0.75" / 19.1 mm guns (2x2 guns), 0.21lbs / 0.10kg shells, 1916 Model
     Machine guns in deck mounts
     on centreline, evenly spread
      2 - 0.75" / 19.1 mm guns (1x2 guns), 0.21lbs / 0.10kg shells, 1916 Model
     Breech loading guns in deck mount
     on centreline amidships
   Weight of broadside 97 lbs / 44 kg
   Shells per gun, main battery: 100
   6 - 20.0" / 508 mm above water torpedoes

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 1 shaft, 17,211 shp / 12,840 Kw = 30.00 kts
   Range 2,500nm at 15.00 kts
   Bunker at max displacement = 151 tons

Complement:
   59 - 78

Cost:
   £0.116 million / $0.464 million

Distribution of weights at normal displacement:
   Armament: 12 tons, 2.0 %
   Machinery: 309 tons, 51.4 %
   Hull, fittings & equipment: 179 tons, 29.8 %
   Fuel, ammunition & stores: 101 tons, 16.8 %
   Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     127 lbs / 58 Kg = 4.0 x 4.0 " / 102 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.01
   Metacentric height 0.5 ft / 0.1 m
   Roll period: 12.4 seconds
   Steadiness   - As gun platform (Average = 50 %): 50 %
         - Recoil effect (Restricted arc if above 1.00): 0.49
   Seaboat quality  (Average = 1.00): 1.03

Hull form characteristics:
   Hull has raised forecastle
   Block coefficient: 0.383
   Length to Beam Ratio: 11.00 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 70 %
   Trim (Max stability = 0, Max steadiness = 100): 49
   Bow angle (Positive = bow angles forward): 26.56 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      14.00 ft / 4.27 m
      - Forecastle (20 %):   14.00 ft / 4.27 m (10.00 ft / 3.05 m aft of break)
      - Mid (50 %):      10.00 ft / 3.05 m
      - Quarterdeck (15 %):   10.00 ft / 3.05 m
      - Stern:      10.00 ft / 3.05 m
      - Average freeboard:   10.80 ft / 3.29 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 180.8 %
      - Above water (accommodation/working, high = better): 12.1 %
   Waterplane Area: 2,535 Square feet or 235 Square metres
   Displacement factor (Displacement / loading): 44 %
   Structure weight / hull surface area: 24 lbs/sq ft or 118 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 4.67
      - Overall: 0.62
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is extremely poor

[Korpen]

Weight for the torpedos is missing.

EDIT: Also, my gods she is deep, over 4m at deep load.

[Tanthalas]

Thought you didnt have to only for reloads, but oh well fixed anyway, no intention for these small livley boats to reload just shoot once and bug out.

TB-1916, USNS Torpedo Boat laid down 1916

Displacement:
   500 t light; 517 t standard; 594 t normal; 655 t full load

Dimensions: Length overall / water x beam x draught
   227.00 ft / 220.00 ft x 20.00 ft x 12.50 ft (normal load)
   69.19 m / 67.06 m x 6.10 m  x 3.81 m

Armament:
      3 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1916 Model
     Quick firing guns in deck mounts
     on centreline ends, majority forward, 1 raised mount
      4 - 0.75" / 19.1 mm guns (2x2 guns), 0.21lbs / 0.10kg shells, 1916 Model
     Machine guns in deck mounts
     on centreline, evenly spread
      2 - 0.75" / 19.1 mm guns (1x2 guns), 0.21lbs / 0.10kg shells, 1916 Model
     Breech loading guns in deck mount
     on centreline amidships
   Weight of broadside 97 lbs / 44 kg
   Shells per gun, main battery: 100
   6 - 20.0" / 508 mm above water torpedoes

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 1 shaft, 17,013 shp / 12,691 Kw = 30.00 kts
   Range 2,300nm at 15.00 kts
   Bunker at max displacement = 138 tons

Complement:
   59 - 78

Cost:
   £0.115 million / $0.460 million

Distribution of weights at normal displacement:
   Armament: 12 tons, 2.0 %
   Machinery: 304 tons, 51.1 %
   Hull, fittings & equipment: 178 tons, 30.0 %
   Fuel, ammunition & stores: 94 tons, 15.8 %
   Miscellaneous weights: 6 tons, 1.0 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     124 lbs / 56 Kg = 3.9 x 4.0 " / 102 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.00
   Metacentric height 0.4 ft / 0.1 m
   Roll period: 12.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 50 %
         - Recoil effect (Restricted arc if above 1.00): 0.50
   Seaboat quality  (Average = 1.00): 1.04

Hull form characteristics:
   Hull has raised forecastle
   Block coefficient: 0.378
   Length to Beam Ratio: 11.00 : 1
   'Natural speed' for length: 14.83 kts
   Power going to wave formation at top speed: 69 %
   Trim (Max stability = 0, Max steadiness = 100): 48
   Bow angle (Positive = bow angles forward): 26.56 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      14.00 ft / 4.27 m
      - Forecastle (20 %):   14.00 ft / 4.27 m (10.00 ft / 3.05 m aft of break)
      - Mid (50 %):      10.00 ft / 3.05 m
      - Quarterdeck (15 %):   10.00 ft / 3.05 m
      - Stern:      10.00 ft / 3.05 m
      - Average freeboard:   10.80 ft / 3.29 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 181.3 %
      - Above water (accommodation/working, high = better): 12.1 %
   Waterplane Area: 2,529 Square feet or 235 Square metres
   Displacement factor (Displacement / loading): 43 %
   Structure weight / hull surface area: 24 lbs/sq ft or 118 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 4.70
      - Overall: 0.62
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is extremely poor

[Korpen]

Also, my gods she is deep, over 4m at deep load.  :o

[Tanthalas]

Also, my gods she is deep, over 4m at deep load.  :o

I know... just folowing the tradition DF started on NS ships.

[Borys]

Ahoj!
The draught sure is shocking to us Baltic types :)
Or for those with bases in the Nordzee.
But does it matter that much to navies designed to operate in deep seas?

I feel that with my Dalmatinian bases, and the Med/Atlantic as possible theatres of war, I don't need to worry about draught that much.

Borys

[Guinness]

with a standard displacement draft nearly two thirds her beam, wouldn't we expect here to be a bit of a roller? I'd trade draft for BC. Also, these boats have virtually no room for any future growth, and their legs are probably a little short for the pacific. 6 tubes (fixed you say?) and 3 4" guns might be a case of NEDS as well on 227 feet overall.

All just my opinion, of course.

[Jefgte]

... Short legs...

IMO, they are made for coastal work