Auxiliaries

Started by Darman, May 21, 2020, 01:21:25 PM

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Darman

Sprit-class, Swedish Empire Tender laid down 1890

Displacement:
   3,405 t light; 3,500 t standard; 4,778 t normal; 5,800 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (300.20 ft / 300.20 ft) x 50.03 ft x (18.04 / 21.25 ft)
   (91.50 m / 91.50 m) x 15.25 m  x (5.50 / 6.48 m)

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 2 shafts, 2,960 ihp / 2,208 Kw = 14.00 kts
   Range 8,000nm at 12.00 kts
   Bunker at max displacement = 2,300 tons (100% coal)

Complement:
   286 - 373

Cost:
   £0.200 million / $0.799 million

Distribution of weights at normal displacement:
   Armament: 0 tons, 0.0 %
   Machinery: 575 tons, 12.0 %
   Hull, fittings & equipment: 1,120 tons, 23.4 %
   Fuel, ammunition & stores: 1,373 tons, 28.7 %
   Miscellaneous weights: 1,710 tons, 35.8 %
      - Hull below water: 700 tons
      - Hull above water: 670 tons
      - On freeboard deck: 315 tons
      - Above deck: 25 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     7,429 lbs / 3,370 Kg = 68.8 x 6 " / 152 mm shells or 1.6 torpedoes
   Stability (Unstable if below 1.00): 1.50
   Metacentric height 3.5 ft / 1.1 m
   Roll period: 11.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 100 %
         - Recoil effect (Restricted arc if above 1.00): 0.00
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.617 / 0.636
   Length to Beam Ratio: 6.00 : 1
   'Natural speed' for length: 17.33 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 (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  19.03 ft / 5.80 m,  12.14 ft / 3.70 m
      - Forward deck:   30.00 %,  12.14 ft / 3.70 m,  12.14 ft / 3.70 m
      - Aft deck:   35.00 %,  12.14 ft / 3.70 m,  12.14 ft / 3.70 m
      - Quarter deck:   15.00 %,  12.14 ft / 3.70 m,  12.14 ft / 3.70 m
      - Average freeboard:      12.69 ft / 3.87 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 71.0 %
      - Above water (accommodation/working, high = better): 90.2 %
   Waterplane Area: 11,161 Square feet or 1,037 Square metres
   Displacement factor (Displacement / loading): 167 %
   Structure weight / hull surface area: 67 lbs/sq ft or 329 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.93
      - Longitudinal: 1.88
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is adequate
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, rides out heavy weather easily

Misc. Weight:
1,710t for resupply of visiting vessels to the amount of 17,100 of shipping.

edit: added cost estimate of light tonnage/4
3,405/4=851.25 rounded up= 852t

Darman

Strid-class, Iberian Empire Trawler laid down 1891

Displacement:
   593 t light; 609 t standard; 760 t normal; 881 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (131.23 ft / 131.23 ft) x 23.79 ft x (13.94 / 15.81 ft)
   (40.00 m / 40.00 m) x 7.25 m  x (4.25 / 4.82 m)

Armament:
      1 - 3.00" / 76.2 mm 50.0 cal gun - 14.29lbs / 6.48kg shells, 100 per gun
     Breech loading gun in deck mount, 1891 Model
     1 x Single mount on centreline, forward deck forward
      Weight of broadside 14 lbs / 6 kg

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 1 shaft, 691 ihp / 515 Kw = 12.00 kts
   Range 4,000nm at 10.00 kts
   Bunker at max displacement = 272 tons (100% coal)

Complement:
   72 - 94

Cost:
   £0.040 million / $0.161 million

Distribution of weights at normal displacement:
   Armament: 3 tons, 0.3 %
   Machinery: 133 tons, 17.5 %
   Hull, fittings & equipment: 153 tons, 20.2 %
   Fuel, ammunition & stores: 167 tons, 22.0 %
   Miscellaneous weights: 304 tons, 40.0 %
      - Hull below water: 105 tons
      - Hull above water: 60 tons
      - On freeboard deck: 104 tons
      - Above deck: 35 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     803 lbs / 364 Kg = 59.5 x 3.0 " / 76 mm shells or 0.5 torpedoes
   Stability (Unstable if below 1.00): 1.09
   Metacentric height 0.7 ft / 0.2 m
   Roll period: 12.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0.03
   Seaboat quality  (Average = 1.00): 1.82

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.611 / 0.624
   Length to Beam Ratio: 5.52 : 1
   'Natural speed' for length: 11.46 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 39
   Bow angle (Positive = bow angles forward): 0.00 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 %,  13.00 ft / 3.96 m,  12.00 ft / 3.66 m
      - Forward deck:   30.00 %,  9.00 ft / 2.74 m,  7.00 ft / 2.13 m
      - Aft deck:   35.00 %,  7.00 ft / 2.13 m,  8.00 ft / 2.44 m
      - Quarter deck:   15.00 %,  8.00 ft / 2.44 m,  8.00 ft / 2.44 m
      - Average freeboard:      8.71 ft / 2.65 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 82.0 %
      - Above water (accommodation/working, high = better): 46.2 %
   Waterplane Area: 2,260 Square feet or 210 Square metres
   Displacement factor (Displacement / loading): 132 %
   Structure weight / hull surface area: 35 lbs/sq ft or 173 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.84
      - Longitudinal: 5.06
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is extremely poor
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Misc Weight
15t above deck fishing equipment
5t above deck for boat equipment
19t on deck for 2x 6-ton 21-ft pinnaces
20t hull above water for 10 extra sailors for pinnaces
105t hull below water cargo space
40t hull above water cargo space
85t on deck fishing equipment

3" gun is purchased with vessel but not mounted.  Kept in storage for future potential use.  Pinnaces are included with vessel (serve as extra life boats) but extra personnel not assigned until mobilized.

152t total cost (593-5= 588t.  588/4=147.  147+5=152t)

Darman

Tug Class A, Iberian Empire Tugboat laid down 1890

Displacement:
   209 t light; 214 t standard; 262 t normal; 300 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (92.19 ft / 92.19 ft) x 22.15 ft x (13.12 / 14.22 ft)
   (28.10 m / 28.10 m) x 6.75 m  x (4.00 / 4.33 m)

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 2 shafts, 540 ihp / 403 Kw = 13.00 kts
   Range 1,000nm at 13.00 kts
   Bunker at max displacement = 86 tons (100% coal)

Complement:
   32 - 42

Cost:
   £0.022 million / $0.088 million

Distribution of weights at normal displacement:
   Armament: 0 tons, 0.0 %
   Machinery: 105 tons, 40.1 %
   Hull, fittings & equipment: 69 tons, 26.4 %
   Fuel, ammunition & stores: 53 tons, 20.1 %
   Miscellaneous weights: 35 tons, 13.4 %
      - Hull above water: 15 tons
      - On freeboard deck: 20 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     145 lbs / 66 Kg = 1.3 x 6 " / 152 mm shells or 0.2 torpedoes
   Stability (Unstable if below 1.00): 1.36
   Metacentric height 0.9 ft / 0.3 m
   Roll period: 9.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 66 %
         - Recoil effect (Restricted arc if above 1.00): 0.00
   Seaboat quality  (Average = 1.00): 1.31

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.342 / 0.361
   Length to Beam Ratio: 4.16 : 1
   'Natural speed' for length: 9.60 kts
   Power going to wave formation at top speed: 61 %
   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 (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20.00 %,  8.00 ft / 2.44 m,  6.00 ft / 1.83 m
      - Forward deck:   30.00 %,  6.00 ft / 1.83 m,  5.50 ft / 1.68 m
      - Aft deck:   35.00 %,  5.50 ft / 1.68 m,  6.00 ft / 1.83 m
      - Quarter deck:   15.00 %,  6.00 ft / 1.83 m,  7.00 ft / 2.13 m
      - Average freeboard:      6.07 ft / 1.85 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 136.1 %
      - Above water (accommodation/working, high = better): 41.6 %
   Waterplane Area: 1,214 Square feet or 113 Square metres
   Displacement factor (Displacement / loading): 107 %
   Structure weight / hull surface area: 30 lbs/sq ft or 149 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.79
      - Longitudinal: 8.76
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is extremely poor
   Good seaboat, rides out heavy weather easily

35t misc weight for various winches, bumpers, flotation devices, and other paraphernalia required by tugboats.
Given speed is 13kts, but the actual max and cruising speed is 10kts, with a range much lower as well.  I figured that a tugboat needed to have an overpowered engine.

Cost estimate: 209/4=52.25 rounded up = 53

Darman

El Surtido, Iberian Empire Tender laid down 1911

Displacement:
   4,516 t light; 4,648 t standard; 6,600 t normal; 8,162 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (377.30 ft / 377.30 ft) x 45.11 ft x (19.03 / 22.99 ft)
   (115.00 m / 115.00 m) x 13.75 m  x (5.80 / 7.01 m)

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 4 shafts, 5,606 ihp / 4,182 Kw = 16.00 kts
   Range 7,000nm at 16.00 kts
   Bunker at max displacement = 3,514 tons (100% coal)

Complement:
   365 - 475

Cost:
   £0.210 million / $0.841 million

Distribution of weights at normal displacement:
   Armament: 0 tons, 0.0 %
   Machinery: 373 tons, 5.6 %
   Hull, fittings & equipment: 1,618 tons, 24.5 %
   Fuel, ammunition & stores: 2,084 tons, 31.6 %
   Miscellaneous weights: 2,525 tons, 38.3 %
      - Hull below water: 1,000 tons
      - Hull above water: 1,000 tons
      - On freeboard deck: 500 tons
      - Above deck: 25 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     14,734 lbs / 6,683 Kg = 136.4 x 6 " / 152 mm shells or 2.6 torpedoes
   Stability (Unstable if below 1.00): 1.14
   Metacentric height 1.9 ft / 0.6 m
   Roll period: 13.6 seconds
   Steadiness   - As gun platform (Average = 50 %): 100 %
         - Recoil effect (Restricted arc if above 1.00): 0.00
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.713 / 0.730
   Length to Beam Ratio: 8.36 : 1
   'Natural speed' for length: 19.42 kts
   Power going to wave formation at top speed: 40 %
   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 (% = 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 %,  20.00 ft / 6.10 m,  20.00 ft / 6.10 m
      - Aft deck:   35.00 %,  20.00 ft / 6.10 m,  20.00 ft / 6.10 m
      - Quarter deck:   15.00 %,  20.00 ft / 6.10 m,  20.00 ft / 6.10 m
      - Average freeboard:      20.08 ft / 6.12 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 52.4 %
      - Above water (accommodation/working, high = better): 144.1 %
   Waterplane Area: 13,804 Square feet or 1,282 Square metres
   Displacement factor (Displacement / loading): 202 %
   Structure weight / hull surface area: 62 lbs/sq ft or 303 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.88
      - Longitudinal: 3.08
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, rides out heavy weather easily

25t LR wireless above deck
2,500t misc weight --> 25,000t shipping supported

Kaiser Kirk

Based on a whaling ship, has a ramp in the back for up to 250t boats. Space for 2 x 250t, 4 x 100t, 8 x 40t or 12 x 20t. Cranes on side for up to 4 more 20/40t boats.

El Burro Maru, Iberia Foreign Station Ship laid down 1915

Displacement:
   4,068 t light; 4,211 t standard; 4,786 t normal; 5,246 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (400.00 ft / 400.00 ft) x 54.00 ft x (14.10 / 15.17 ft)
   (121.92 m / 121.92 m) x 16.46 m  x (4.30 / 4.62 m)

Armament:
      4 - 6.10" / 155 mm 50.0 cal guns - 120.29lbs / 54.56kg shells, 150 per gun
     Breech loading guns in deck and hoist mounts, 1915 Model
     4 x Single mounts on centreline, evenly spread
      3 raised mounts
      6 - 2.95" / 75.0 mm 45.0 cal guns - 12.98lbs / 5.89kg shells, 150 per gun
     Breech loading guns in deck mounts, 1915 Model
     6 x Single mounts on sides, evenly spread
      Weight of broadside 559 lbs / 254 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Ends:   Unarmoured

   - Torpedo Bulkhead - Additional damage containing bulkheads:
      1.00" / 25 mm   400.00 ft / 121.92 m   15.00 ft / 4.57 m
   Beam between torpedo bulkheads 40.00 ft / 12.19 m

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

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 2 shafts, 6,953 shp / 5,187 Kw = 18.00 kts
   Range 6,000nm at 14.00 kts
   Bunker at max displacement = 1,036 tons

Complement:
   287 - 374

Cost:
   £0.340 million / $1.359 million

Distribution of weights at normal displacement:
   Armament: 155 tons, 3.2 %
      - Guns: 155 tons, 3.2 %
   Armour: 248 tons, 5.2 %
      - Torpedo bulkhead: 222 tons, 4.6 %
      - Armament: 26 tons, 0.5 %
   Machinery: 263 tons, 5.5 %
   Hull, fittings & equipment: 1,533 tons, 32.0 %
   Fuel, ammunition & stores: 718 tons, 15.0 %
   Miscellaneous weights: 1,870 tons, 39.1 %
      - Hull below water: 370 tons
      - Hull above water: 1,000 tons
      - On freeboard deck: 400 tons
      - Above deck: 100 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10,572 lbs / 4,795 Kg = 93.0 x 6.1 " / 155 mm shells or 2.7 torpedoes
   Stability (Unstable if below 1.00): 1.29
   Metacentric height 3.1 ft / 1.0 m
   Roll period: 12.8 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.22
   Seaboat quality  (Average = 1.00): 1.79

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0.550 / 0.560
   Length to Beam Ratio: 7.41 : 1
   'Natural speed' for length: 20.00 kts
   Power going to wave formation at top speed: 40 %
   Trim (Max stability = 0, Max steadiness = 100): 39
   Bow angle (Positive = bow angles forward): 0.00 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 %,  17.00 ft / 5.18 m,  15.00 ft / 4.57 m
      - Forward deck:   30.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Aft deck:   35.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Quarter deck:   15.00 %,  15.00 ft / 4.57 m,  15.00 ft / 4.57 m
      - Average freeboard:      15.16 ft / 4.62 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 81.5 %
      - Above water (accommodation/working, high = better): 150.1 %
   Waterplane Area: 15,074 Square feet or 1,400 Square metres
   Displacement factor (Displacement / loading): 151 %
   Structure weight / hull surface area: 75 lbs/sq ft or 365 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.48
      - 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

130t - LR Wireless, Flag accomodations
400t - Extra Accomodations
1000t - Ramp and accomodations for 500t of shippinbg
300t - 3,000t of Out-of-port resupply
70t - Electric Drive
Did they beat the drum slowly,
Did they play the fife lowly,
Did they sound the death march, as they lowered you down,
Did the band play the last post and chorus,
Did the pipes play the flowers of the forest