NUS DDs - coal to oil & new armament

Jefgte · May 11, 2011, 10:05:04 AM

I test actualy the refurbishement of the NUS DDs with the standard 120mm guns & the update coal to oil boilers

Original built

D-100 Class, NUS DD laid down 1910 (Engine 1909)

Displacement:
   750 t light; 785 t standard; 989 t normal; 1 153 t full load

Dimensions: Length overall / water x beam x draught
   331.25 ft / 328.00 ft x 29.50 ft x 8.50 ft (normal load)
   100.97 m / 99.97 m x 8.99 m x 2.59 m

Armament:
2 - 4.00" / 102 mm guns in single mounts, 30.00lbs / 13.61kg shells, 1910 Model
    Quick firing guns in deck mounts
    on centreline, evenly spread, 1 raised mount
2 - 4.00" / 102 mm guns in single mounts, 30.00lbs / 13.61kg shells, 1910 Model
    Quick firing guns in deck mounts
    on side, all forward, all raised mounts - superfiring
2 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1910 Model
    Machine guns in deck mounts
    on side, evenly spread, all raised mounts
   Weight of broadside 121 lbs / 55 kg
   Shells per gun, main battery: 200
   4 - 18.0" / 457.2 mm above water torpedoes

Armour:
- Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.00" / 25 mm   0.50" / 13 mm       -
   2nd:   1.00" / 25 mm    -          -

- Conning tower: 4.00" / 102 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 12 289 shp / 9 168 Kw = 27.00 kts
   Range 4 500nm at 12.00 kts
   Bunker at max displacement = 368 tons (90% coal)

Complement:
   87 - 114

Cost:
   £0.105 million / $0.419 million

Distribution of weights at normal displacement:
   Armament: 16 tons, 1.6 %
   Armour: 17 tons, 1.7 %
    - Belts: 0 tons, 0.0 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 8 tons, 0.8 %
    - Armour Deck: 0 tons, 0.0 %
    - Conning Tower: 9 tons, 0.9 %
   Machinery: 464 tons, 46.9 %
   Hull, fittings & equipment: 230 tons, 23.2 %
   Fuel, ammunition & stores: 239 tons, 24.2 %
   Miscellaneous weights: 23 tons, 2.3 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
    302 lbs / 137 Kg = 9.4 x 4.0 " / 102 mm shells or 0.3 torpedoes
   Stability (Unstable if below 1.00): 1.67
   Metacentric height 1.9 ft / 0.6 m
   Roll period: 9.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.11
   Seaboat quality (Average = 1.00): 1.29

Hull form characteristics:
   Hull has raised forecastle
   Block coefficient: 0.421
   Length to Beam Ratio: 11.12 : 1
   'Natural speed' for length: 18.11 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 54
   Bow angle (Positive = bow angles forward): -5.00 degrees
   Stern overhang: 3.25 ft / 0.99 m
   Freeboard (% = measuring location as a percentage of overall length):
    - Stem:      17.00 ft / 5.18 m
    - Forecastle (25 %):   17.00 ft / 5.18 m (9.00 ft / 2.74 m aft of break)
    - Mid (50 %):      9.00 ft / 2.74 m
    - Quarterdeck (20 %):   9.00 ft / 2.74 m
    - Stern:      9.00 ft / 2.74 m
    - Average freeboard:   11.00 ft / 3.35 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 167.1 %
      - Above water (accommodation/working, high = better): 94.1 %
   Waterplane Area: 6 037 Square feet or 561 Square metres
   Displacement factor (Displacement / loading): 71 %
   Structure weight / hull surface area: 22 lbs/sq ft or 110 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.49
      - Longitudinal: 0.78
      - Overall: 0.51
   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

8 tons torpedo and tubes
10 tons small marconi
5 ton reserve weight

& the 10-12yo refurbishement

D-100 Class, NUS DD laid down 1910 (Engine 1909)

Displacement:
   769 t light; 812 t standard; 989 t normal; 1 131 t full load

Dimensions: Length overall / water x beam x draught
   331.25 ft / 328.00 ft x 29.50 ft x 8.50 ft (normal load)
   100.97 m / 99.97 m x 8.99 m x 2.59 m

Armament:
4 - 4.72" / 120 mm guns (2x2 guns), 52.72lbs / 23.91kg shells, 1910 Model
    Quick firing guns in deck mounts with hoists
    on centreline, evenly spread
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1910 Model
    Quick firing guns in deck mounts
    on side, all amidships
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1910 Model
    Machine guns in deck mounts
    on side, evenly spread, all raised mounts
   Weight of broadside 219 lbs / 99 kg
   Shells per gun, main battery: 180
   6 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.00" / 25 mm   0.50" / 13 mm       -
   2nd:   1.00" / 25 mm    -          -

- Conning tower: 4.00" / 102 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 1 shaft, 12 289 shp / 9 168 Kw = 27.00 kts
   Range 5 250nm at 12.00 kts
   Bunker at max displacement = 320 tons

Complement:
   87 - 114

Cost:
   £0.110 million / $0.439 million

Distribution of weights at normal displacement:
   Armament: 27 tons, 2.8 %
   Armour: 19 tons, 2.0 %
    - Belts: 0 tons, 0.0 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 11 tons, 1.1 %
    - Armour Deck: 0 tons, 0.0 %
    - Conning Tower: 9 tons, 0.9 %
   Machinery: 427 tons, 43.2 %
   Hull, fittings & equipment: 269 tons, 27.1 %
   Fuel, ammunition & stores: 220 tons, 22.2 %
   Miscellaneous weights: 27 tons, 2.7 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
    270 lbs / 122 Kg = 5.1 x 4.7 " / 120 mm shells or 0.3 torpedoes
   Stability (Unstable if below 1.00): 1.37
   Metacentric height 1.4 ft / 0.4 m
   Roll period: 10.5 seconds
   Steadiness   - As gun platform (Average = 50 %): 72 %
         - Recoil effect (Restricted arc if above 1.00): 0.40
   Seaboat quality (Average = 1.00): 1.33

Hull form characteristics:
   Hull has raised forecastle
   Block coefficient: 0.421
   Length to Beam Ratio: 11.12 : 1
   'Natural speed' for length: 18.11 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 54
   Bow angle (Positive = bow angles forward): -5.00 degrees
   Stern overhang: 3.25 ft / 0.99 m
   Freeboard (% = measuring location as a percentage of overall length):
    - Stem:      20.28 ft / 6.18 m
    - Forecastle (25 %):   19.62 ft / 5.98 m (9.00 ft / 2.74 m aft of break)
    - Mid (50 %):      9.00 ft / 2.74 m
    - Quarterdeck (20 %):   9.00 ft / 2.74 m
    - Stern:      9.00 ft / 2.74 m
    - Average freeboard:   11.72 ft / 3.57 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 164.1 %
      - Above water (accommodation/working, high = better): 64.6 %
   Waterplane Area: 5 725 Square feet or 532 Square metres
   Displacement factor (Displacement / loading): 72 %
   Structure weight / hull surface area: 25 lbs/sq ft or 124 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.47
      - Longitudinal: 0.97
      - Overall: 0.51
   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
   Good seaboat, rides out heavy weather easily

12 tons torpedo and tubes
10 tons small marconi
5 ton reserve weight

The calculation board

DD100-750t-20ships
All in tons	before	after	differences	BP rules differences	$ rules differences
Displacement Standart	750	769	19	0.019	0
distribution weight armament
Armament	16	27	11	0.011	0.011	4x120+4x40-6TTx21"-27kts-1910-1912
Armour belt	0	0	0	0	0
Torpedo bulkhead	0	0	0	0	0
Armament	8	11	3	0.003	0.006	cost=tonsx2
Armour Deck	0	0	0	0	0
Conning Tower	9	9	0	0	0
Machinery	464	427		0	0.854	cost=tonsx2 - Coal to oil boilers
Hull fittings & equipement	230	269	39	0.039	0.078	cost=tonsx2
Fuel, Ammunition & stores	239	220	0	0	0
Miscellaneous weight	23	27	4	0.004	0.04
Scrapp old engines	BP & $ x 0.15			0	0	scrap old engines
Original BP & $	$=original tonnage x 0.2			0	0.1875
Total Refurbishement cost				0.076	1.1765

Jefgte · May 13, 2011, 08:28:57 AM

Same rebuilt for the D200 class

as built in 1912
D-200 Class, Naciones Unidas Destroyer laid down 1912 (Engine 1909)

Displacement:
   1 000 t light; 1 041 t standard; 1 246 t normal; 1 410 t full load

Dimensions: Length overall / water x beam x draught
   316.00 ft / 316.00 ft x 30.00 ft x 10.00 ft (normal load)
   96.32 m / 96.32 m x 9.14 m x 3.05 m

Armament:
1 - 4.00" / 102 mm guns in single mounts, 30.00lbs / 13.61kg shells, 1906 Model
    Quick firing gun in deck mount
    on centreline forward
2 - 4.00" / 102 mm guns in single mounts, 30.00lbs / 13.61kg shells, 1906 Model
    Quick firing guns in deck mounts
    on side, all forward
1 - 4.00" / 102 mm guns in single mounts, 30.00lbs / 13.61kg shells, 1906 Model
    Quick firing gun in deck mount
    on centreline aft
2 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1912 Model
    Breech loading guns in deck mounts
    on side, evenly spread
   Weight of broadside 121 lbs / 55 kg
   Shells per gun, main battery: 200
   6 - 18.0" / 457.2 mm above water torpedoes

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

- Conning tower: 1.00" / 25 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 20 735 shp / 15 468 Kw = 29.25 kts
   Range 5 310nm at 12.00 kts
   Bunker at max displacement = 369 tons

Complement:
   104 - 136

Cost:
   £0.139 million / $0.556 million

Distribution of weights at normal displacement:
   Armament: 16 tons, 1.3 %
   Armour: 6 tons, 0.4 %
    - Belts: 0 tons, 0.0 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 3 tons, 0.2 %
    - Armour Deck: 0 tons, 0.0 %
    - Conning Tower: 2 tons, 0.2 %
   Machinery: 646 tons, 51.9 %
   Hull, fittings & equipment: 293 tons, 23.5 %
   Fuel, ammunition & stores: 246 tons, 19.7 %
   Miscellaneous weights: 39 tons, 3.1 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
    330 lbs / 150 Kg = 10.3 x 4.0 " / 102 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.51
   Metacentric height 1.7 ft / 0.5 m
   Roll period: 9.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.11
   Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
   Hull has raised forecastle, rise forward of midbreak
   Block coefficient: 0.460
   Length to Beam Ratio: 10.53 : 1
   'Natural speed' for length: 17.78 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 62
   Bow angle (Positive = bow angles forward): -10.00 degrees
   Stern overhang: -3.00 ft / -0.91 m
   Freeboard (% = measuring location as a percentage of overall length):
    - Stem:      18.00 ft / 5.49 m
    - Forecastle (20 %):   18.00 ft / 5.49 m (16.00 ft / 4.88 m aft of break)
    - Mid (35 %):      16.00 ft / 4.88 m (10.00 ft / 3.05 m aft of break)
    - Quarterdeck (15 %):   10.00 ft / 3.05 m
    - Stern:      10.00 ft / 3.05 m
    - Average freeboard:   12.50 ft / 3.81 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 181.2 %
      - Above water (accommodation/working, high = better): 86.4 %
   Waterplane Area: 6 097 Square feet or 566 Square metres
   Displacement factor (Displacement / loading): 61 %
   Structure weight / hull surface area: 26 lbs/sq ft or 125 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 1.28
      - 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

& the 1924 rebuilt

D-200 Class, Naciones Unidas Destroyer laid down 1912 (Engine 1909)

Displacement:
   1 005 t light; 1 049 t standard; 1 246 t normal; 1 404 t full load

Dimensions: Length overall / water x beam x draught
   316.00 ft / 316.00 ft x 30.00 ft x 10.00 ft (normal load)
   96.32 m / 96.32 m x 9.14 m x 3.05 m

Armament:
3 - 4.72" / 120 mm guns (2 mounts), 52.72lbs / 23.91kg shells, 1916 Model
    Quick firing guns in deck mounts with hoists
    on centreline ends, evenly spread
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1916 Model
    Quick firing guns in deck mounts
    on side, evenly spread, all raised mounts
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1916 Model
    Quick firing guns in deck mounts
    on centreline, all aft
   Weight of broadside 166 lbs / 75 kg
   Shells per gun, main battery: 200
   6 - 21.0" / 533.4 mm above water torpedoes

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

- Conning tower: 1.00" / 25 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 20 735 shp / 15 468 Kw = 29.25 kts
   Range 5 100nm at 12.00 kts
   Bunker at max displacement = 355 tons

Complement:
   104 - 136

Cost:
   £0.142 million / $0.568 million

Distribution of weights at normal displacement:
   Armament: 21 tons, 1.7 %
   Armour: 14 tons, 1.1 %
    - Belts: 0 tons, 0.0 %
    - Torpedo bulkhead: 0 tons, 0.0 %
    - Armament: 11 tons, 0.9 %
    - Armour Deck: 0 tons, 0.0 %
    - Conning Tower: 2 tons, 0.2 %
   Machinery: 638 tons, 51.2 %
   Hull, fittings & equipment: 301 tons, 24.2 %
   Fuel, ammunition & stores: 241 tons, 19.4 %
   Miscellaneous weights: 31 tons, 2.5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
    286 lbs / 130 Kg = 5.4 x 4.7 " / 120 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.35
   Metacentric height 1.4 ft / 0.4 m
   Roll period: 10.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.35
   Seaboat quality (Average = 1.00): 1.13

Hull form characteristics:
   Hull has raised forecastle, rise forward of midbreak
   Block coefficient: 0.460
   Length to Beam Ratio: 10.53 : 1
   'Natural speed' for length: 17.78 kts
   Power going to wave formation at top speed: 64 %
   Trim (Max stability = 0, Max steadiness = 100): 62
   Bow angle (Positive = bow angles forward): 0.00 degrees
   Stern overhang: -3.00 ft / -0.91 m
   Freeboard (% = measuring location as a percentage of overall length):
    - Stem:      21.94 ft / 6.69 m
    - Forecastle (20 %):   18.66 ft / 5.69 m (16.00 ft / 4.88 m aft of break)
    - Mid (35 %):      16.00 ft / 4.88 m (10.00 ft / 3.05 m aft of break)
    - Quarterdeck (15 %):   10.00 ft / 3.05 m
    - Stern:      10.00 ft / 3.05 m
    - Average freeboard:   12.89 ft / 3.93 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 181.1 %
      - Above water (accommodation/working, high = better): 71.7 %
   Waterplane Area: 6 097 Square feet or 566 Square metres
   Displacement factor (Displacement / loading): 59 %
   Structure weight / hull surface area: 26 lbs/sq ft or 125 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.45
      - Longitudinal: 1.34
      - Overall: 0.50
   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

DD200-1000t-16ships
All in tons	before	after	differences	BP rules differences	$ rules differences	Comments
Displacement Standart	1000	1005	5	0.005	0.01	cost=tonsx2
distribution weight armament
Armament	16	21	5	0.005	0.01	3x120+4x40-6TTx21"-29.25kts-1912-1914
Armour belt	0	0	0	0	0
Torpedo bulkhead	0	0	0	0	0
Armament	3	11	3	0.008	0.008	cost=tonsx2
Armour Deck	0	0	0	0	0
Conning Tower	2	2	0	0	0
Machinery	646	638	0	0	0	cost=tonsx2
Hull fittings & equipement	293	301	8	0.008	0.016	cost=tonsx2
Fuel, Ammunition & stores	246	241	0	0	0
Miscellaneous weight	39	31	0	0	0
Scrapp old engines	BP & $ x 0.15			0	0
Original BP & $	$=original tonnage x 0.2			0	0.1875
Total Refurbishement cost				0.026	0.2315

Jefgte · May 16, 2011, 06:05:36 AM

D100 as built

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D100 refurbishement

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D200 as built

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D200 refurbishement

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NUS DDs - coal to oil & new armament

Jefgte

Jefgte

Jefgte