Fleet Support Vessels

Walter · August 16, 2017, 02:27:54 PM

Fleet Support Vessels of the Northern Kingdom Navy.

Walter · August 16, 2017, 02:28:39 PM

Campbell, Norse Tender laid down 1895
Ships: 4. Campbell, Montgomery, Domhnaill, Conchobhair.

Displacement:
3,234 t light; 3,330 t standard; 4,229 t normal; 4,948 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(348.84 ft / 345.00 ft) x 40.00 ft x (16.50 / 18.91 ft)
(106.33 m / 105.16 m) x 12.19 m x (5.03 / 5.77 m)

Armament:
2 - 4.72" / 120 mm 40.0 cal guns - 50.53lbs / 22.92kg shells, 200 per gun
Breech loading guns in deck mounts, 1895 Model
2 x Single mounts on centreline ends, evenly spread
Weight of broadside 101 lbs / 46 kg

Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 1 shaft, 1,553 ihp / 1,158 Kw = 12.00 kts
Range 10,250nm at 10.00 kts
Bunker at max displacement = 1,618 tons (100% coal)

Complement:
261 - 340

Cost:
£0.158 million / $0.631 million

Distribution of weights at normal displacement:
Armament: 14 tons, 0.3 %
- Guns: 14 tons, 0.3 %
Machinery: 288 tons, 6.8 %
Hull, fittings & equipment: 998 tons, 23.6 %
Fuel, ammunition & stores: 995 tons, 23.5 %
Miscellaneous weights: 1,935 tons, 45.8 %
- Hull below water: 1,100 tons
- Hull above water: 500 tons
- On freeboard deck: 300 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,513 lbs / 2,954 Kg = 123.5 x 4.7 " / 120 mm shells or 1.6 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 1.8 ft / 0.6 m
Roll period: 12.4 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck ,
a normal bow and a round stern
Block coefficient (normal/deep): 0.650 / 0.663
Length to Beam Ratio: 8.63 : 1
'Natural speed' for length: 18.57 kts
Power going to wave formation at top speed: 26 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 21.00 ft / 6.40 m, 20.00 ft / 6.10 m
- Forward deck: 30.00 %, 12.00 ft / 3.66 m, 11.00 ft / 3.35 m
- Aft deck: 35.00 %, 11.00 ft / 3.35 m, 12.00 ft / 3.66 m
- Quarter deck: 15.00 %, 20.00 ft / 6.10 m, 21.00 ft / 6.40 m
- Average freeboard: 14.63 ft / 4.46 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65.2 %
- Above water (accommodation/working, high = better): 87.5 %
Waterplane Area: 10,424 Square feet or 968 Square metres
Displacement factor (Displacement / loading): 166 %
Structure weight / hull surface area: 56 lbs/sq ft or 274 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.71
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Cramped accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 33 tons for additional damage control and pumps (hull below water)
- 1067 tons for support capacity (hull below water)
- 33 tons for climate control (hull above water)
- 467 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 250 tons for support capacity (on freeboard deck)
- 10 tons for short range wireless (above deck, installed 1902-3 @10 tons)
- 25 tons for long range wireless (above deck, installed 1902-3 @25 tons)

Total additional basic refit costs per ship: 35 tons

Total support capacity: 1784 tons.

Walter · August 16, 2017, 02:29:00 PM

Drugain, Norse Tender laid down 1907
Ships: 5. Drugain, Chindfaoladh, Guaire, Auchinleck, Spalding.

Displacement:
5,608 t light; 5,754 t standard; 6,682 t normal; 7,424 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(409.40 ft / 406.00 ft) x 48.00 ft x (20.00 / 21.86 ft)
(124.79 m / 123.75 m) x 14.63 m x (6.10 / 6.66 m)

Armament:
2 - 4.72" / 120 mm 50.0 cal guns - 55.82lbs / 25.32kg shells, 200 per gun
Breech loading guns in deck mounts, 1907 Model
2 x Single mounts on centreline ends, evenly spread
Weight of broadside 112 lbs / 51 kg

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 1 shaft, 2,020 shp / 1,507 Kw = 12.00 kts
Range 12,000nm at 10.00 kts
Bunker at max displacement = 1,670 tons

Complement:
369 - 480

Cost:
£0.218 million / $0.873 million

Distribution of weights at normal displacement:
Armament: 19 tons, 0.3 %
- Guns: 19 tons, 0.3 %
Machinery: 115 tons, 1.7 %
Hull, fittings & equipment: 1,464 tons, 21.9 %
Fuel, ammunition & stores: 1,074 tons, 16.1 %
Miscellaneous weights: 4,010 tons, 60.0 %
- Hull below water: 2,000 tons
- Hull above water: 1,600 tons
- On freeboard deck: 375 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,820 lbs / 4,454 Kg = 186.2 x 4.7 " / 120 mm shells or 1.9 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 2.2 ft / 0.7 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 85 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 1.71

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0.600 / 0.610
Length to Beam Ratio: 8.46 : 1
'Natural speed' for length: 20.15 kts
Power going to wave formation at top speed: 22 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 16.00 ft / 4.88 m, 14.00 ft / 4.27 m
- Forward deck: 30.00 %, 14.00 ft / 4.27 m, 13.00 ft / 3.96 m
- Aft deck: 35.00 %, 13.00 ft / 3.96 m, 13.50 ft / 4.11 m
- Quarter deck: 15.00 %, 13.50 ft / 4.11 m, 14.50 ft / 4.42 m
- Average freeboard: 13.75 ft / 4.19 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65.8 %
- Above water (accommodation/working, high = better): 96.2 %
Waterplane Area: 13,942 Square feet or 1,295 Square metres
Displacement factor (Displacement / loading): 156 %
Structure weight / hull surface area: 65 lbs/sq ft or 319 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.30
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Adequate accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 57 tons for additional damage control and pumps (hull below water)
- 1943 tons for support capacity (hull below water)
- 57 tons for climate control (hull above water)
- 1543 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 325 tons for support capacity (on freeboard deck)
- 10 tons for short range wireless (above deck)
- 25 tons for long range wireless (above deck)

Total support capacity: 3811 tons.

Walter · August 16, 2017, 02:29:21 PM

Eburna, Norse Collier laid down 1896

Ships: 8. Eburna, Echunga, Elona, Elusa, Ena, Ensis, Entalina, Ervilia.

Displacement:
4,149 t light; 4,253 t standard; 5,015 t normal; 5,624 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(328.00 ft / 322.00 ft) x 44.00 ft x (19.00 / 20.96 ft)
(99.97 m / 98.15 m) x 13.41 m x (5.79 / 6.39 m)

Armament:
2 - 2.95" / 75.0 mm 40.0 cal guns - 12.35lbs / 5.60kg shells, 250 per gun
Breech loading guns in deck mounts, 1896 Model
2 x Single mounts on centreline ends, evenly spread
Weight of broadside 25 lbs / 11 kg

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

Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 4,898 ihp / 3,654 Kw = 16.00 kts
Range 8,000nm at 10.00 kts
Bunker at max displacement = 1,371 tons (100% coal)

Complement:
297 - 387

Cost:
£0.272 million / $1.089 million

Distribution of weights at normal displacement:
Armament: 4 tons, 0.1 %
- Guns: 4 tons, 0.1 %
Armour: 4 tons, 0.1 %
- Armament: 4 tons, 0.1 %
Machinery: 899 tons, 17.9 %
Hull, fittings & equipment: 1,158 tons, 23.1 %
Fuel, ammunition & stores: 865 tons, 17.3 %
Miscellaneous weights: 2,085 tons, 41.6 %
- Hull below water: 1,500 tons
- Hull above water: 500 tons
- On freeboard deck: 50 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
5,690 lbs / 2,581 Kg = 442.0 x 3.0 " / 75 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.50
Metacentric height 2.9 ft / 0.9 m
Roll period: 10.8 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck ,
a normal bow and a round stern
Block coefficient (normal/deep): 0.652 / 0.663
Length to Beam Ratio: 7.32 : 1
'Natural speed' for length: 17.94 kts
Power going to wave formation at top speed: 44 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 6.00 ft / 1.83 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 13.50 %, 22.00 ft / 6.71 m, 22.00 ft / 6.71 m
- Forward deck: 38.00 %, 14.00 ft / 4.27 m, 17.20 ft / 5.24 m
- Aft deck: 36.00 %, 17.20 ft / 5.24 m, 12.00 ft / 3.66 m
- Quarter deck: 12.50 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Average freeboard: 16.65 ft / 5.08 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.0 %
- Above water (accommodation/working, high = better): 105.4 %
Waterplane Area: 10,873 Square feet or 1,010 Square metres
Displacement factor (Displacement / loading): 129 %
Structure weight / hull surface area: 61 lbs/sq ft or 297 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.62
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 42 tons for additional damage control and pumps (hull below water)
- 1458 tons for support capacity (hull below water)
- 42 tons for climate control (hull above water)
- 458 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 10 tons for short range wireless (above deck, installed 1902-3 @10 tons)
- 25 tons for long range wireless (above deck, installed 1902-3 @25 tons)

Total additional basic refit costs per ship: 35 tons

Total support capacity: 1916 tons.

Walter · August 16, 2017, 02:29:43 PM

Natica, Norse Collier laid down 1907

Ships: 3. Natica, Nacella, Nuculana.

Displacement:
7,455 t light; 7,653 t standard; 8,803 t normal; 9,724 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(473.01 ft / 466.00 ft) x 60.00 ft x (20.00 / 21.65 ft)
(144.17 m / 142.04 m) x 18.29 m x (6.10 / 6.60 m)

Armament:
2 - 4.72" / 120 mm 50.0 cal guns - 55.82lbs / 25.32kg shells, 200 per gun
Breech loading guns in deck and hoist mounts, 1907 Model
2 x Single mounts on centreline ends, evenly spread
4 - 2.95" / 75.0 mm 50.0 cal guns - 13.62lbs / 6.18kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1907 Model
4 x Single mounts on side ends, evenly spread
4 - 1.46" / 37.0 mm 50.0 cal guns - 1.63lbs / 0.74kg shells, 450 per gun
Quick firing guns in deck and hoist mounts, 1907 Model
4 x Single mounts on side ends, evenly spread
6 - 0.26" / 6.5 mm 115.0 cal guns - 0.01lbs / 0.00kg shells, 1,200 per gun
Machine guns in deck mounts, 1907 Model
6 x Single mounts on sides, evenly spread
Weight of broadside 173 lbs / 78 kg

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

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 6,306 ihp / 4,704 Kw = 16.00 kts
Range 10,000nm at 10.00 kts
Bunker at max displacement = 2,072 tons (100% coal)

Complement:
453 - 590

Cost:
£0.378 million / $1.512 million

Distribution of weights at normal displacement:
Armament: 55 tons, 0.6 %
- Guns: 55 tons, 0.6 %
Armour: 5 tons, 0.1 %
- Armament: 5 tons, 0.1 %
Machinery: 701 tons, 8.0 %
Hull, fittings & equipment: 2,360 tons, 26.8 %
Fuel, ammunition & stores: 1,349 tons, 15.3 %
Miscellaneous weights: 4,335 tons, 49.2 %
- Hull below water: 3,000 tons
- Hull above water: 1,250 tons
- On freeboard deck: 50 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,806 lbs / 6,716 Kg = 280.8 x 4.7 " / 120 mm shells or 1.9 torpedoes
Stability (Unstable if below 1.00): 1.53
Metacentric height 4.8 ft / 1.5 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.05
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle, rise aft of midbreak, low quarterdeck ,
a normal bow and a round stern
Block coefficient (normal/deep): 0.551 / 0.562
Length to Beam Ratio: 7.77 : 1
'Natural speed' for length: 21.59 kts
Power going to wave formation at top speed: 31 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 5.00 ft / 1.52 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 17.50 %, 23.00 ft / 7.01 m, 21.00 ft / 6.40 m
- Forward deck: 20.50 %, 13.00 ft / 3.96 m, 13.00 ft / 3.96 m
- Aft deck: 24.50 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Quarter deck: 37.50 %, 13.00 ft / 3.96 m, 13.00 ft / 3.96 m
- Average freeboard: 17.24 ft / 5.25 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80.9 %
- Above water (accommodation/working, high = better): 155.9 %
Waterplane Area: 19,531 Square feet or 1,815 Square metres
Displacement factor (Displacement / loading): 149 %
Structure weight / hull surface area: 80 lbs/sq ft or 391 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.47
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 75 tons for additional damage control and pumps (hull below water)
- 2925 tons for support capacity (hull below water)
- 75 tons for climate control (hull above water)
- 1175 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 10 tons for short range wireless (above deck)
- 25 tons for long range wireless (above deck)

Total support capacity: 4100 tons.

Walter · August 16, 2017, 02:30:00 PM

Mytilus, Norse Tanker/Oiler laid down 1909
Ships: 1. Mytilus. 3 more planned.

Displacement:
7,013 t light; 7,179 t standard; 7,920 t normal; 8,513 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(393.19 ft / 385.00 ft) x 52.00 ft x (23.00 / 24.41 ft)
(119.84 m / 117.35 m) x 15.85 m x (7.01 / 7.44 m)

Armament:
4 - 2.95" / 75.0 mm 50.0 cal guns - 13.62lbs / 6.18kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1909 Model
4 x Single mounts on side ends, evenly spread
4 - 0.59" / 15.0 mm 90.0 cal guns - 0.11lbs / 0.05kg shells, 800 per gun
Machine guns in deck mounts, 1909 Model
4 x Single mounts on side ends, evenly spread
6 - 0.26" / 6.5 mm 115.0 cal guns - 0.01lbs / 0.00kg shells, 1,200 per gun
Machine guns in deck mounts, 1909 Model
6 x Single mounts on sides, evenly spread
Weight of broadside 55 lbs / 25 kg

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 6,121 ihp / 4,566 Kw = 16.00 kts
Range 10,000nm at 10.00 kts
Bunker at max displacement = 1,334 tons

Complement:
419 - 545

Cost:
£0.312 million / $1.247 million

Distribution of weights at normal displacement:
Armament: 19 tons, 0.2 %
- Guns: 19 tons, 0.2 %
Machinery: 428 tons, 5.4 %
Hull, fittings & equipment: 1,831 tons, 23.1 %
Fuel, ammunition & stores: 907 tons, 11.5 %
Miscellaneous weights: 4,735 tons, 59.8 %
- Hull below water: 3,000 tons
- Hull above water: 1,650 tons
- On freeboard deck: 50 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,464 lbs / 4,746 Kg = 812.9 x 3.0 " / 75 mm shells or 1.6 torpedoes
Stability (Unstable if below 1.00): 1.27
Metacentric height 2.9 ft / 0.9 m
Roll period: 12.8 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck ,
a normal bow and a round stern
Block coefficient (normal/deep): 0.602 / 0.610
Length to Beam Ratio: 7.40 : 1
'Natural speed' for length: 19.62 kts
Power going to wave formation at top speed: 39 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 6.00 ft / 1.83 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 15.00 %, 25.00 ft / 7.62 m, 24.00 ft / 7.32 m
- Forward deck: 30.00 %, 16.00 ft / 4.88 m, 19.50 ft / 5.94 m
- Aft deck: 35.00 %, 19.50 ft / 5.94 m, 16.00 ft / 4.88 m
- Quarter deck: 20.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Average freeboard: 20.00 ft / 6.10 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 82.6 %
- Above water (accommodation/working, high = better): 118.4 %
Waterplane Area: 14,670 Square feet or 1,363 Square metres
Displacement factor (Displacement / loading): 140 %
Structure weight / hull surface area: 69 lbs/sq ft or 338 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.83
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Adequate accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 71 tons for additional damage control and pumps (hull below water)
- 2929 tons for support capacity (hull below water)
- 71 tons for climate control (hull above water)
- 1579 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 10 tons for short range wireless (above deck)
- 25 tons for long range wireless (above deck)

Total support capacity: 4508 tons.

Walter · August 16, 2017, 02:30:20 PM

Bridge, Norse Stores ship laid down 1905

Ships: 4. Bridge, Span, Tressle, Pontoon.

Displacement:
5,589 t light; 5,749 t standard; 6,700 t normal; 7,461 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(426.40 ft / 423.00 ft) x 56.00 ft x (18.00 / 19.66 ft)
(129.97 m / 128.93 m) x 17.07 m x (5.49 / 5.99 m)

Armament:
2 - 4.72" / 120 mm 50.0 cal guns - 55.82lbs / 25.32kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1905 Model
2 x Single mounts on centreline ends, evenly spread
4 - 2.95" / 75.0 mm 50.0 cal guns - 13.63lbs / 6.18kg shells, 350 per gun
Quick firing guns in deck and hoist mounts, 1905 Model
4 x Single mounts on side ends, evenly spread
6 - 0.59" / 15.0 mm 90.0 cal guns - 0.12lbs / 0.05kg shells, 1,000 per gun
Machine guns in deck mounts, 1905 Model
6 x Single mounts on sides, evenly spread
Weight of broadside 167 lbs / 76 kg

Machinery:
Coal and oil fired boilers, steam turbines,
Direct drive, 1 shaft, 3,406 shp / 2,541 Kw = 14.00 kts
Range 8,000nm at 10.00 kts
Bunker at max displacement = 1,712 tons (90% coal)

Complement:
369 - 481

Cost:
£0.253 million / $1.013 million

Distribution of weights at normal displacement:
Armament: 52 tons, 0.8 %
- Guns: 52 tons, 0.8 %
Machinery: 281 tons, 4.2 %
Hull, fittings & equipment: 1,765 tons, 26.3 %
Fuel, ammunition & stores: 1,112 tons, 16.6 %
Miscellaneous weights: 3,491 tons, 52.1 %
- Hull below water: 1,950 tons
- Hull above water: 1,456 tons
- On freeboard deck: 50 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
11,304 lbs / 5,127 Kg = 214.4 x 4.7 " / 120 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.35
Metacentric height 3.6 ft / 1.1 m
Roll period: 12.4 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.06
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0.550 / 0.561
Length to Beam Ratio: 7.55 : 1
'Natural speed' for length: 20.57 kts
Power going to wave formation at top speed: 27 %
Trim (Max stability = 0, Max steadiness = 100): 55
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Forward deck: 30.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Aft deck: 35.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Quarter deck: 15.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Average freeboard: 16.00 ft / 4.88 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72.2 %
- Above water (accommodation/working, high = better): 132.4 %
Waterplane Area: 16,033 Square feet or 1,490 Square metres
Displacement factor (Displacement / loading): 159 %
Structure weight / hull surface area: 72 lbs/sq ft or 353 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.46
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 56 tons for additional damage control and pumps (hull below water)
- 1894 tons for support capacity (hull below water)
- 56 tons for climate control (hull above water)
- 1400 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 10 tons for short range wireless (above deck)
- 25 tons for long range wireless (above deck)

Total support capacity: 3294 tons.

Walter · August 16, 2017, 02:30:38 PM

Pyro, Norse Ammunition ship laid down 1905

Ships: 2. Pyro, Nitro.

Displacement:
8,339 t light; 8,568 t standard; 10,102 t normal; 11,329 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(486.40 ft / 483.00 ft) x 61.00 ft x (20.00 / 22.04 ft)
(148.25 m / 147.22 m) x 18.59 m x (6.10 / 6.72 m)

Armament:
2 - 4.72" / 120 mm 50.0 cal guns - 55.82lbs / 25.32kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1905 Model
2 x Single mounts on centreline ends, evenly spread
4 - 2.95" / 75.0 mm 50.0 cal guns - 13.63lbs / 6.18kg shells, 350 per gun
Quick firing guns in deck and hoist mounts, 1905 Model
4 x Single mounts on side ends, evenly spread
6 - 0.59" / 15.0 mm 90.0 cal guns - 0.12lbs / 0.05kg shells, 1,000 per gun
Machine guns in deck mounts, 1905 Model
6 x Single mounts on sides, evenly spread
Weight of broadside 167 lbs / 76 kg

Machinery:
Coal and oil fired boilers, steam turbines,
Direct drive, 1 shaft, 5,506 shp / 4,108 Kw = 15.00 kts
Range 10,000nm at 10.00 kts
Bunker at max displacement = 2,761 tons (90% coal)

Complement:
503 - 654

Cost:
£0.374 million / $1.495 million

Distribution of weights at normal displacement:
Armament: 52 tons, 0.5 %
- Guns: 52 tons, 0.5 %
Machinery: 454 tons, 4.5 %
Hull, fittings & equipment: 2,464 tons, 24.4 %
Fuel, ammunition & stores: 1,762 tons, 17.4 %
Miscellaneous weights: 5,369 tons, 53.1 %
- Hull below water: 3,000 tons
- Hull above water: 2,284 tons
- On freeboard deck: 50 tons
- Above deck: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
15,684 lbs / 7,114 Kg = 297.5 x 4.7 " / 120 mm shells or 2.2 torpedoes
Stability (Unstable if below 1.00): 1.38
Metacentric height 4.2 ft / 1.3 m
Roll period: 12.5 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.83

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0.600 / 0.611
Length to Beam Ratio: 7.92 : 1
'Natural speed' for length: 21.98 kts
Power going to wave formation at top speed: 28 %
Trim (Max stability = 0, Max steadiness = 100): 55
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Forward deck: 30.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Aft deck: 35.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Quarter deck: 15.00 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Average freeboard: 16.00 ft / 4.88 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.9 %
- Above water (accommodation/working, high = better): 127.7 %
Waterplane Area: 21,078 Square feet or 1,958 Square metres
Displacement factor (Displacement / loading): 157 %
Structure weight / hull surface area: 79 lbs/sq ft or 386 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.16
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

- 84 tons for additional damage control and pumps (hull below water)
- 2916 tons for support capacity (hull below water)
- 84 tons for climate control (hull above water)
- 2200 tons for support capacity (hull above water)
- 50 tons for cranes (on freeboard deck)
- 10 tons for short range wireless (above deck)
- 25 tons for long range wireless (above deck)

Total support capacity: 5116 tons.