Bharat Torpedo Boat Design Request

[miketr]

OK people you will need to put your thinking cap on for these...

Requirements

Max of 250 or 333 or 500 light tons
Armed with 37mm or 57mm or 105mm
Laydown date of 1909: Engine Year 1909  (90% coal fired)
Speed At least 27 Knots
Torpedoes 17.7" / 450mm weapons
Range Atleast 2,000 @ 10 knots
Seakeeping no lower than 8.0
Misc weight: Enough for torpedo's

The Bharat navy is going to get a max of 1 BP a half and they have a long coast line which means tin cans.  I will also build some gun boats for them...  But for their "offensive" punch its going to be pure coast defense TB's till they can buy something OR get some BP... perhaps both...

Michael

[Logi]

Submitted from the Designers in Macau

Design AXIIC, Bharat Torpedo Boat laid down 1909

Displacement:
   500 t light; 512 t standard; 561 t normal; 600 t full load

Dimensions: Length overall / water x beam x draught
   300.00 ft / 300.00 ft x 30.00 ft x 4.50 ft (normal load)
   91.44 m / 91.44 m x 9.14 m  x 1.37 m

Armament:
      2 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline, all forward, 1 raised mount
   Weight of broadside 11 lbs / 5 kg
   Shells per gun, main battery: 150
   8 - 17.7" / 450 mm above water torpedoes

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

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 11,406 shp / 8,509 Kw = 28.00 kts
   Range 2,000nm at 10.00 kts
   Bunker at max displacement = 87 tons (90% coal)

Complement:
   56 - 74

Cost:
   £0.061 million / $0.243 million

Distribution of weights at normal displacement:
   Armament: 1 tons, 0.3 %
   Armour: 2 tons, 0.4 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 2 tons, 0.4 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 300 tons, 53.5 %
   Hull, fittings & equipment: 189 tons, 33.6 %
   Fuel, ammunition & stores: 61 tons, 10.8 %
   Miscellaneous weights: 8 tons, 1.4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     242 lbs / 110 Kg = 42.9 x 2.2 " / 57 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.48
   Metacentric height 1.6 ft / 0.5 m
   Roll period: 9.9 seconds
   Steadiness   - As gun platform (Average = 50 %): 50 %
         - Recoil effect (Restricted arc if above 1.00): 0.01
   Seaboat quality  (Average = 1.00): 0.80

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.485
   Length to Beam Ratio: 10.00 : 1
   'Natural speed' for length: 17.32 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 63
   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:      15.50 ft / 4.72 m
      - Forecastle (20 %):   12.00 ft / 3.66 m
      - Mid (50 %):      11.00 ft / 3.35 m
      - Quarterdeck (15 %):   9.00 ft / 2.74 m
      - Stern:      8.00 ft / 2.44 m
      - Average freeboard:   10.91 ft / 3.32 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 176.2 %
      - Above water (accommodation/working, high = better): 121.3 %
   Waterplane Area: 5,915 Square feet or 550 Square metres
   Displacement factor (Displacement / loading): 49 %
   Structure weight / hull surface area: 21 lbs/sq ft or 105 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 0.84
      - Overall: 0.52
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is excellent
   Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Ugh... Someone check for NEDS will they?

Edit: Fixed Design - Previously has BC problems

[Sachmle]

How's this Mike?

500t DD, Bharat Torpedoboat Destroyer laid down 1909

Displacement:
   500 t light; 521 t standard; 580 t normal; 627 t full load

Dimensions: Length overall / water x beam x draught
   362.99 ft / 362.99 ft x 30.25 ft x 4.27 ft (normal load)
   110.64 m / 110.64 m x 9.22 m  x 1.30 m

Armament:
      2 - 4.13" / 105 mm guns in single mounts, 35.27lbs / 16.00kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline ends, evenly spread
      2 - 2.24" / 57.0 mm guns in single mounts, 5.73lbs / 2.60kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, all amidships
      4 - 0.49" / 12.5 mm guns in single mounts, 0.09lbs / 0.04kg shells, 1909 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 82 lbs / 37 kg
   Shells per gun, main battery: 200
   4 - 17.7" / 450 mm above water torpedoes

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 8,838 shp / 6,593 Kw = 27.00 kts
   Range 2,300nm at 10.00 kts
   Bunker at max displacement = 105 tons (90% coal)

Complement:
   58 - 76

Cost:
   £0.065 million / $0.262 million

Distribution of weights at normal displacement:
   Armament: 10 tons, 1.8 %
   Machinery: 280 tons, 48.4 %
   Hull, fittings & equipment: 205 tons, 35.4 %
   Fuel, ammunition & stores: 80 tons, 13.8 %
   Miscellaneous weights: 4 tons, 0.7 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     249 lbs / 113 Kg = 7.0 x 4.1 " / 105 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.43
   Metacentric height 1.6 ft / 0.5 m
   Roll period: 10.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.08
   Seaboat quality  (Average = 1.00): 1.02

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.433
   Length to Beam Ratio: 12.00 : 1
   'Natural speed' for length: 19.05 kts
   Power going to wave formation at top speed: 49 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   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:      16.01 ft / 4.88 m
      - Forecastle (20 %):   16.01 ft / 4.88 m
      - Mid (30 %):      16.01 ft / 4.88 m (8.01 ft / 2.44 m aft of break)
      - Quarterdeck (15 %):   8.01 ft / 2.44 m
      - Stern:      8.01 ft / 2.44 m
      - Average freeboard:   10.41 ft / 3.17 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 171.1 %
      - Above water (accommodation/working, high = better): 172.2 %
   Waterplane Area: 6,913 Square feet or 642 Square metres
   Displacement factor (Displacement / loading): 60 %
   Structure weight / hull surface area: 21 lbs/sq ft or 102 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 0.51
      - Overall: 0.51
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

[Desertfox]

Design 1, Torpedo Boat laid down 1909

Displacement:
   249 t light; 258 t standard; 289 t normal; 314 t full load

Dimensions: Length overall / water x beam x draught
   222.00 ft / 222.00 ft x 19.00 ft x 6.00 ft (normal load)
   67.67 m / 67.67 m x 5.79 m  x 1.83 m

Armament:
      3 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline ends, majority aft
      2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, all amidships
   Weight of broadside 20 lbs / 9 kg
   Shells per gun, main battery: 250
   4 - 17.7" / 449.58 mm above water torpedoes

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 7,845 shp / 5,853 Kw = 28.00 kts
   Range 2,100nm at 10.00 kts
   Bunker at max displacement = 56 tons (90% coal)

Complement:
   34 - 45

Cost:
   £0.033 million / $0.132 million

Distribution of weights at normal displacement:
   Armament: 3 tons, 0.9 %
   Machinery: 159 tons, 54.8 %
   Hull, fittings & equipment: 84 tons, 29.2 %
   Fuel, ammunition & stores: 40 tons, 13.8 %
   Miscellaneous weights: 4 tons, 1.4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     74 lbs / 34 Kg = 13.2 x 2.2 " / 57 mm shells or 0.1 torpedoes
   Stability (Unstable if below 1.00): 1.14
   Metacentric height 0.5 ft / 0.2 m
   Roll period: 11.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.11
   Seaboat quality  (Average = 1.00): 0.80

Hull form characteristics:
   Hull has low quarterdeck
   Block coefficient: 0.400
   Length to Beam Ratio: 11.68 : 1
   'Natural speed' for length: 14.90 kts
   Power going to wave formation at top speed: 66 %
   Trim (Max stability = 0, Max steadiness = 100): 88
   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:      11.50 ft / 3.51 m
      - Forecastle (20 %):   8.00 ft / 2.44 m
      - Mid (40 %):      8.00 ft / 2.44 m
      - Quarterdeck (30 %):   6.00 ft / 1.83 m (8.00 ft / 2.44 m before break)
      - Stern:      6.00 ft / 1.83 m
      - Average freeboard:   7.68 ft / 2.34 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 185.5 %
      - Above water (accommodation/working, high = better): 62.3 %
   Waterplane Area: 2,596 Square feet or 241 Square metres
   Displacement factor (Displacement / loading): 36 %
   Structure weight / hull surface area: 18 lbs/sq ft or 86 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.18
      - Overall: 0.54
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform
   Poor seaboat, wet and uncomfortable, reduced performance in heavy weather




***

This one might have too much stuff on board, but can be modified.

Design 2, Destroyer laid down 1909

Displacement:
   476 t light; 497 t standard; 574 t normal; 636 t full load

Dimensions: Length overall / water x beam x draught
   260.00 ft / 260.00 ft x 26.00 ft x 8.40 ft (normal load)
   79.25 m / 79.25 m x 7.92 m  x 2.56 m

Armament:
      2 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1909 Model
     Breech loading guns in deck mounts
     on centreline ends, evenly spread
      4 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, all amidships
      4 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, evenly spread
   Weight of broadside 99 lbs / 45 kg
   Shells per gun, main battery: 150
   6 - 17.7" / 449.58 mm above water torpedoes

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

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 11,182 shp / 8,342 Kw = 28.00 kts
   Range 3,500nm at 10.00 kts
   Bunker at max displacement = 139 tons (90% coal)

Complement:
   58 - 76

Cost:
   £0.067 million / $0.267 million

Distribution of weights at normal displacement:
   Armament: 12 tons, 2.2 %
   Armour: 2 tons, 0.4 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 2 tons, 0.4 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 283 tons, 49.4 %
   Hull, fittings & equipment: 158 tons, 27.5 %
   Fuel, ammunition & stores: 98 tons, 17.1 %
   Miscellaneous weights: 20 tons, 3.5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     161 lbs / 73 Kg = 4.6 x 4.1 " / 105 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.27
   Metacentric height 1.0 ft / 0.3 m
   Roll period: 9.5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.26
   Seaboat quality  (Average = 1.00): 1.02

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.400
   Length to Beam Ratio: 11.30 : 1
   'Natural speed' for length: 16.12 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   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:      16.00 ft / 4.88 m
      - Forecastle (35 %):   10.00 ft / 3.05 m
      - Mid (40 %):      10.00 ft / 3.05 m
      - Quarterdeck (15 %):   8.00 ft / 2.44 m
      - Stern:      8.00 ft / 2.44 m
      - Average freeboard:   10.09 ft / 3.08 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 179.9 %
      - Above water (accommodation/working, high = better): 70.3 %
   Waterplane Area: 4,161 Square feet or 387 Square metres
   Displacement factor (Displacement / loading): 47 %
   Structure weight / hull surface area: 22 lbs/sq ft or 105 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.40
      - Overall: 0.56
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform

[Korpen]

Good speed, good range (for a ship this size).
Torpedo arrangement is identical to the Dutch KTB-3 type, two torpedoes on a turntable behind the funnel, and a single fixed one in the forecastle.

Koninklijke Mij Sembawang in Sinagpore is behind the design.

Sembawang KTB-3.5, Bharat Torpedoboot laid down 1909

Displacement:
   250 t light; 258 t standard; 303 t normal; 339 t full load

Dimensions: Length overall / water x beam x draught
   229,52 ft / 223,10 ft x 18,59 ft x 6,73 ft (normal load)
   69,96 m / 68,00 m x 5,67 m  x 2,05 m

Armament:
      2 - 2,24" / 57,0 mm guns in single mounts, 5,65lbs / 2,56kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline ends, evenly spread
      2 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1909 Model
     Machine guns in deck mounts
     on side, all amidships
   Weight of broadside 11 lbs / 5 kg
   Shells per gun, main battery: 200
   3 - 17,7" / 450 mm above water torpedoes

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

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 7 922 shp / 5 910 Kw = 28,00 kts
   Range 3 000nm at 10,00 kts
   Bunker at max displacement = 81 tons (90% coal)

Complement:
   36 - 47

Cost:
   £0,033 million / $0,133 million

Distribution of weights at normal displacement:
   Armament: 1 tons, 0,5 %
   Armour: 0 tons, 0,1 %
      - Belts: 0 tons, 0,0 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 0 tons, 0,1 %
      - Armour Deck: 0 tons, 0,0 %
      - Conning Tower: 0 tons, 0,0 %
   Machinery: 167 tons, 55,1 %
   Hull, fittings & equipment: 79 tons, 26,0 %
   Fuel, ammunition & stores: 53 tons, 17,3 %
   Miscellaneous weights: 3 tons, 1,0 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     66 lbs / 30 Kg = 11,7 x 2,2 " / 57 mm shells or 0,1 torpedoes
   Stability (Unstable if below 1.00): 1,17
   Metacentric height 0,5 ft / 0,2 m
   Roll period: 10,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,05
   Seaboat quality  (Average = 1.00): 0,81

Hull form characteristics:
   Hull has raised forecastle, rise forward of midbreak
   Block coefficient: 0,380
   Length to Beam Ratio: 12,00 : 1
   'Natural speed' for length: 14,94 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 87
   Bow angle (Positive = bow angles forward): 26,00 degrees
   Stern overhang: 0,82 ft / 0,25 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      11,48 ft / 3,50 m
      - Forecastle (20 %):   11,48 ft / 3,50 m (6,56 ft / 2,00 m aft of break)
      - Mid (30 %):      6,56 ft / 2,00 m (6,23 ft / 1,90 m aft of break)
      - Quarterdeck (15 %):   6,23 ft / 1,90 m
      - Stern:      7,38 ft / 2,25 m
      - Average freeboard:   7,40 ft / 2,26 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 182,8 %
      - Above water (accommodation/working, high = better): 54,2 %
   Waterplane Area: 2 528 Square feet or 235 Square metres
   Displacement factor (Displacement / loading): 38 %
   Structure weight / hull surface area: 17 lbs/sq ft or 81 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,07
      - Overall: 0,54
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform
   Poor seaboat, wet and uncomfortable, reduced performance in heavy weather


A 50% reduction in range (2000nm @ 10kts) would give a 1 knot increase in top speed, but given the length of Bhrats coastline the longer legs was considered more valuable.

[P3D]

There were three obsolete Orange battleships (LD 1886-ish) in N2verse that were sold to third parties but disappeared in the transition. Rocky was willing to allow 'transfer' them to Bharat and Persia (say 2 and 1), so they still might have them - cca. 8000t, 4x10", 16kts but I don't have the SS for them. That was before the current turmoil.

Edit: I found the SS that I made a few months ago on the ship


Orange CDBB  laid down 1885

Barbette ship

Displacement:
   8,000 t light; 8,304 t standard; 9,212 t normal; 9,939 t full load

Dimensions: Length overall / water x beam x draught
   380.00 ft / 380.00 ft x 65.00 ft x 22.00 ft (normal load)
   115.82 m / 115.82 m x 19.81 m  x 6.71 m

Armament:
      4 - 10.00" / 254 mm guns (2x2 guns), 462.50lbs / 209.79kg shells, 1885 Model
     Breech loading guns in open barbettes
     on centreline ends, evenly spread
      12 - 5.00" / 127 mm guns in single mounts, 57.81lbs / 26.22kg shells, 1885 Model
     Breech loading guns in casemate mounts
     on side, all amidships
   Weight of broadside 2,544 lbs / 1,154 kg
   Shells per gun, main battery: 80
   12 - 18.0" / 457.2 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   8.80" / 224 mm   230.00 ft / 70.10 m   10.00 ft / 3.05 m
   Ends:   5.50" / 140 mm   150.00 ft / 45.72 m   8.00 ft / 2.44 m
   Upper:   5.50" / 140 mm   230.00 ft / 70.10 m   11.00 ft / 3.35 m
     Main Belt covers 93 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:         -            -         11.0" / 279 mm
   2nd:   5.50" / 140 mm   1.00" / 25 mm      1.00" / 25 mm

   - Armour deck: 2.20" / 56 mm, Conning tower: 11.00" / 279 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 7,187 ihp / 5,362 Kw = 16.00 kts
   Range 5,000nm at 10.00 kts
   Bunker at max displacement = 1,635 tons (100% coal)

Complement:
   469 - 611

Cost:
   £0.743 million / $2.971 million

Distribution of weights at normal displacement:
   Armament: 318 tons, 3.5 %
   Armour: 3,287 tons, 35.7 %
      - Belts: 1,781 tons, 19.3 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 671 tons, 7.3 %
      - Armour Deck: 731 tons, 7.9 %
      - Conning Tower: 104 tons, 1.1 %
   Machinery: 1,397 tons, 15.2 %
   Hull, fittings & equipment: 2,929 tons, 31.8 %
   Fuel, ammunition & stores: 1,212 tons, 13.2 %
   Miscellaneous weights: 70 tons, 0.8 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     9,384 lbs / 4,257 Kg = 20.3 x 10.0 " / 254 mm shells or 1.5 torpedoes
   Stability (Unstable if below 1.00): 1.32
   Metacentric height 4.3 ft / 1.3 m
   Roll period: 13.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 86 %
         - Recoil effect (Restricted arc if above 1.00): 0.25
   Seaboat quality  (Average = 1.00): 1.72

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.593
   Length to Beam Ratio: 5.85 : 1
   'Natural speed' for length: 19.49 kts
   Power going to wave formation at top speed: 41 %
   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 (% = measuring location as a percentage of overall length):
      - Stem:      16.00 ft / 4.88 m
      - Forecastle (20 %):   14.00 ft / 4.27 m
      - Mid (50 %):      14.00 ft / 4.27 m
      - Quarterdeck (15 %):   14.00 ft / 4.27 m
      - Stern:      14.00 ft / 4.27 m
      - Average freeboard:   14.16 ft / 4.32 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 92.4 %
      - Above water (accommodation/working, high = better): 102.1 %
   Waterplane Area: 17,953 Square feet or 1,668 Square metres
   Displacement factor (Displacement / loading): 106 %
   Structure weight / hull surface area: 114 lbs/sq ft or 556 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.83
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is adequate
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[miketr]

Thanks P3D...  Added to the forum...

Michael

[Korpen]

This is out of competition, as it is too small, too slow and too short-legged.
That said it is not a bad little torpedo boat.

Rajput, Bharat Torpedoboot laid down 1909

Displacement:
   100 t light; 103 t standard; 118 t normal; 130 t full load

Dimensions: Length overall / water x beam x draught
   157,48 ft / 157,48 ft x 13,12 ft x 5,25 ft (normal load)
   48,00 m / 48,00 m x 4,00 m  x 1,60 m

Armament:
      1 - 2,24" / 57,0 mm guns in single mounts, 5,65lbs / 2,56kg shells, 1909 Model
     Quick firing gun in deck mount
     on centreline aft
      2 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1909 Model
     Machine guns in deck mounts
     on side, all amidships
   Weight of broadside 6 lbs / 3 kg
   Shells per gun, main battery: 100
   2 - 17,7" / 450 mm above water torpedoes

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 3 277 shp / 2 444 Kw = 25,00 kts
   Range 1 800nm at 10,00 kts
   Bunker at max displacement = 28 tons (90% coal)

Complement:
   17 - 23

Cost:
   £0,013 million / $0,053 million

Distribution of weights at normal displacement:
   Armament: 1 tons, 0,6 %
   Machinery: 65 tons, 55,3 %
   Hull, fittings & equipment: 32 tons, 27,1 %
   Fuel, ammunition & stores: 18 tons, 15,4 %
   Miscellaneous weights: 2 tons, 1,5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     26 lbs / 12 Kg = 4,6 x 2,2 " / 57 mm shells or 0,1 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 0,3 ft / 0,1 m
   Roll period: 10,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 55 %
         - Recoil effect (Restricted arc if above 1.00): 0,08
   Seaboat quality  (Average = 1.00): 0,70

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,381
   Length to Beam Ratio: 12,00 : 1
   'Natural speed' for length: 12,55 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 78
   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:      8,20 ft / 2,50 m
      - Forecastle (10 %):   7,94 ft / 2,42 m
      - Mid (30 %):      4,92 ft / 1,50 m
      - Quarterdeck (15 %):   4,92 ft / 1,50 m
      - Stern:      4,92 ft / 1,50 m
      - Average freeboard:   5,54 ft / 1,69 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 184,7 %
      - Above water (accommodation/working, high = better): 39,5 %
   Waterplane Area: 1 260 Square feet or 117 Square metres
   Displacement factor (Displacement / loading): 36 %
   Structure weight / hull surface area: 13 lbs/sq ft or 62 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,38
      - Overall: 0,55
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is extremely poor
   Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

[miketr]

Foxy if you could make the following changes to your 450 ton TB design.

1) Make the 57mm superfiring.
2) Ditch the 37mm weapons and put four 12.5mm MG's instead.
3) Reduce the number of torpedo tubes to four. 
4) Increase the size to 500 light even; perhaps a little more range?

I think its yours and Korpen's 250 ton boat...

I may build a mix of 250 and 500 ton designs with the the larger ones being the ocean going boats and division leaders for the small fry.

Michael

[Desertfox]

Here you go. Enough misc weight for a w/t or other stuff.

Bharat Destroyer laid down 1909

Displacement:
   500 t light; 521 t standard; 619 t normal; 697 t full load

Dimensions: Length overall / water x beam x draught
   260.00 ft / 260.00 ft x 26.00 ft x 9.05 ft (normal load)
   79.25 m / 79.25 m x 7.92 m  x 2.76 m

Armament:
      2 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1909 Model
     Breech loading guns in deck mounts
     on centreline ends, evenly spread
      2 - 2.24" / 57.0 mm guns in single mounts, 5.65lbs / 2.56kg shells, 1909 Model
     Quick firing guns in deck mounts
     on centreline ends, evenly spread, all raised mounts
      2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1909 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1909 Model
     Machine guns in deck mounts
     on side, evenly spread
   Weight of broadside 85 lbs / 39 kg
   Shells per gun, main battery: 150
   4 - 17.7" / 449.58 mm above water torpedoes

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

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 11,735 shp / 8,755 Kw = 28.00 kts
   Range 4,250nm at 10.00 kts
   Bunker at max displacement = 176 tons (90% coal)

Complement:
   61 - 80

Cost:
   £0.070 million / $0.279 million

Distribution of weights at normal displacement:
   Armament: 11 tons, 1.7 %
   Armour: 2 tons, 0.4 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 2 tons, 0.4 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 309 tons, 50.0 %
   Hull, fittings & equipment: 158 tons, 25.6 %
   Fuel, ammunition & stores: 118 tons, 19.1 %
   Miscellaneous weights: 20 tons, 3.2 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     171 lbs / 78 Kg = 4.8 x 4.1 " / 105 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.34
   Metacentric height 1.1 ft / 0.3 m
   Roll period: 9.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.21
   Seaboat quality  (Average = 1.00): 1.00

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.400
   Length to Beam Ratio: 11.30 : 1
   'Natural speed' for length: 16.12 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   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:      16.00 ft / 4.88 m
      - Forecastle (30 %):   10.00 ft / 3.05 m
      - Mid (40 %):      10.00 ft / 3.05 m
      - Quarterdeck (15 %):   8.00 ft / 2.44 m
      - Stern:      8.00 ft / 2.44 m
      - Average freeboard:   9.97 ft / 3.04 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 178.3 %
      - Above water (accommodation/working, high = better): 84.7 %
   Waterplane Area: 4,161 Square feet or 387 Square metres
   Displacement factor (Displacement / loading): 49 %
   Structure weight / hull surface area: 21 lbs/sq ft or 105 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.35
      - Overall: 0.55
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform