WesWorld

Miscellaneous Vessels

AG-16 Target Ship USS Arkansas 19,314 tons standard
AG-17 Training Ship USS New York 20,389 tons standard

USS Arkansas , United States Target Ship laid down 1910

Displacement:
18,905 t light; 19,314 t standard; 20,449 t normal; 21,356 t full load

Dimensions: Length overall / water x beam x draught
562.00 ft / 562.00 ft x 93.17 ft (Bulges 103.00 ft) x 22.00 ft (normal load)
171.30 m / 171.30 m x 28.40 m (Bulges 31.39 m) x 6.71 m

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11.0" / 279 mm 275.00 ft / 83.82 m 11.58 ft / 3.53 m
Ends: Unarmoured
Upper: 6.50" / 165 mm 275.00 ft / 83.82 m 8.00 ft / 2.44 m
Main Belt covers 75 % of normal length

- Torpedo Bulkhead and Bulges:
2.00" / 51 mm 275.00 ft / 83.82 m 21.00 ft / 6.40 m

- Armour deck: 5.00" / 127 mm, Conning tower: 11.50" / 292 mm

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 16,234 ihp / 12,111 Kw = 18.00 kts
Range 8,000nm at 10.00 kts
Bunker at max displacement = 2,042 tons

Complement:
854 - 1,111

Cost:
£0.799 million / $3.198 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Armour: 6,363 tons, 31.1 %
- Belts: 2,332 tons, 11.4 %
- Torpedo bulkhead: 427 tons, 2.1 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 3,418 tons, 16.7 %
- Conning Tower: 185 tons, 0.9 %
Machinery: 984 tons, 4.8 %
Hull, fittings & equipment: 6,158 tons, 30.1 %
Fuel, ammunition & stores: 1,543 tons, 7.5 %
Miscellaneous weights: 5,400 tons, 26.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
61,807 lbs / 28,035 Kg = 572.3 x 6 " / 152 mm shells or 12.9 torpedoes
Stability (Unstable if below 1.00): 1.24
Metacentric height 6.6 ft / 2.0 m
Roll period: 16.8 seconds
Steadiness - As gun platform (Average = 50 %): 80 %
- 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
Block coefficient: 0.562
Length to Beam Ratio: 5.46 : 1
'Natural speed' for length: 23.71 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 40
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: 30.50 ft / 9.30 m
- Forecastle (15 %): 30.50 ft / 9.30 m
- Mid (89 %): 27.00 ft / 8.23 m
- Quarterdeck (12 %): 24.00 ft / 7.32 m
- Stern: 23.50 ft / 7.16 m
- Average freeboard: 28.44 ft / 8.67 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 58.0 %
- Above water (accommodation/working, high = better): 237.0 %
Waterplane Area: 36,956 Square feet or 3,433 Square metres
Displacement factor (Displacement / loading): 149 %
Structure weight / hull surface area: 113 lbs/sq ft or 550 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.06
- 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

USS New York, United States Training Ship laid down 1911 (Engine 1924)

Displacement:
19,272 t light; 20,159 t standard; 21,043 t normal; 21,750 t full load

Dimensions: Length overall / water x beam x draught
573.00 ft / 573.00 ft x 95.25 ft x 21.80 ft (normal load)
174.65 m / 174.65 m x 29.03 m x 6.64 m

Armament:
6 - 14.00" / 356 mm guns (3x2 guns), 1,372.00lbs / 622.33kg shells, 1911 Model
Breech loading guns in turrets (on barbettes)
on centreline, evenly spread
Aft Main mounts separated by engine room
2 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1911 Model
Breech loading guns in casemate mounts
on side, evenly spread, all raised mounts
Weight of broadside 8,357 lbs / 3,791 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Ends: 6.00" / 152 mm 262.00 ft / 79.86 m 11.73 ft / 3.58 m
Upper: 6.50" / 165 mm 311.00 ft / 94.79 m 8.00 ft / 2.44 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 6.00" / 152 mm 12.0" / 305 mm
2nd: 1.00" / 25 mm - -

- Armour deck: 2.50" / 64 mm

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 16,610 ihp / 12,391 Kw = 18.00 kts
Range 7,060nm at 10.00 kts
Bunker at max displacement = 1,591 tons

Complement:
873 - 1,135

Cost:
£1.687 million / $6.747 million

Distribution of weights at normal displacement:
Armament: 1,045 tons, 5.0 %
Armour: 5,350 tons, 25.4 %
- Belts: 1,429 tons, 6.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2,042 tons, 9.7 %
- Armour Deck: 1,879 tons, 8.9 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 962 tons, 4.6 %
Hull, fittings & equipment: 9,416 tons, 44.7 %
Fuel, ammunition & stores: 1,770 tons, 8.4 %
Miscellaneous weights: 2,500 tons, 11.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
41,378 lbs / 18,769 Kg = 30.2 x 14.0 " / 356 mm shells or 4.2 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 5.3 ft / 1.6 m
Roll period: 17.3 seconds
Steadiness - As gun platform (Average = 50 %): 87 %
- Recoil effect (Restricted arc if above 1.00): 0.73
Seaboat quality (Average = 1.00): 1.86

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.619
Length to Beam Ratio: 6.02 : 1
'Natural speed' for length: 23.94 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): -18.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.50 ft / 9.30 m
- Forecastle (20 %): 28.75 ft / 8.76 m
- Mid (50 %): 27.00 ft / 8.23 m
- Quarterdeck (15 %): 25.25 ft / 7.70 m
- Stern: 25.25 ft / 7.70 m
- Average freeboard: 27.18 ft / 8.29 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65.5 %
- Above water (accommodation/working, high = better): 238.8 %
Waterplane Area: 40,631 Square feet or 3,775 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 166 lbs/sq ft or 812 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.16
- 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, can fire her guns in the heaviest weather

The Cimarron Class Fleet Replenishment ships would be a first step towards improving the USN's logistics capability and thereby extending the reach of the USN to all the oceans of the world. 20 ships would eventually be built, beginning with AO-22 USS Cimarron in 1941.

USS Cimarron laid down 1941
USS Nensho laid down 1941
USS Platte laid down 1941
USS Sabine laid down 1942
USS Salamone laid down 1942
USS Kaskaskia laid down 1943
USS Chemunge laid down 1943
USS Guadalupe laid down 1943
USS Taluga laid down 1943
USS Elokomin laid down 1943
USS Marias laid down 1944
USS Chipola laid down 1944
USS Aucilla laid down 1944
USS Manatee laid down 1944
USS Mississinewa laid down 1945

Cimarron, United States Fleet Replenishment Ship laid down 1941

Displacement:
7,212 t light; 7,687 t standard; 22,165 t normal; 33,748 t full load

Dimensions: Length overall / water x beam x draught
555.00 ft / 553.00 ft x 75.00 ft x 32.25 ft (normal load)
169.16 m / 168.55 m x 22.86 m x 9.83 m

Armament:
4 - 5.00" / 127 mm guns in single mounts, 55.18lbs / 25.03kg shells, 1941 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
8 - 1.10" / 27.9 mm guns (4x2 guns), 0.67lbs / 0.30kg shells, 1941 Model
Anti-aircraft guns in deck mounts
on side, all amidships
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1941 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 227 lbs / 103 kg
Shells per gun, main battery: 250

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 16,308 shp / 12,166 Kw = 18.00 kts
Range 51,750nm at 18.00 kts
Bunker at max displacement = 26,060 tons

Complement:
907 - 1,180

Cost:
£2.099 million / $8.398 million

Distribution of weights at normal displacement:
Armament: 32 tons, 0.1 %
Machinery: 431 tons, 1.9 %
Hull, fittings & equipment: 4,249 tons, 19.2 %
Fuel, ammunition & stores: 14,954 tons, 67.5 %
Miscellaneous weights: 2,500 tons, 11.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
93,868 lbs / 42,578 Kg = 1,501.9 x 5.0 " / 127 mm shells or 12.8 torpedoes
Stability (Unstable if below 1.00): 1.59
Metacentric height 7.1 ft / 2.2 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 66 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 1.33

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.580
Length to Beam Ratio: 7.37 : 1
'Natural speed' for length: 23.52 kts
Power going to wave formation at top speed: 35 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 15.00 ft / 4.57 m
- Forecastle (15 %): 15.00 ft / 4.57 m (8.00 ft / 2.44 m aft of break)
- Mid (50 %): 15.00 ft / 4.57 m
- Quarterdeck (20 %): 15.00 ft / 4.57 m (8.00 ft / 2.44 m before break)
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 12.73 ft / 3.88 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 21.5 %
- Above water (accommodation/working, high = better): 71.9 %
Waterplane Area: 29,771 Square feet or 2,766 Square metres
Displacement factor (Displacement / loading): 613 %
Structure weight / hull surface area: 97 lbs/sq ft or 473 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.08
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Good seaboat, rides out heavy weather easily

Breakdown of Miscellaneous Weights:
250 tons 5in resupply ammuntion (9,060 rounds @ 55.18Ibs per round)
300 tons 1.1in resupply ammuntion (895,500 rounds @ 0.67lbs per round)
20 tons 0.5in resupply ammuniton (666,000 rounds @ 0.06lbs per round)
30 tons other ammuntion
100 tons cranes and underway replenishment equipment
1,800 tons consumable stores