WesWorld

17inc
Spammer wanna be
Posts: 34
(4/28/03 7:12:32 am)
Reply this is a fast Battle ship BatemansBay
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well take look? and tell what you think.


Batemans bay class, Australian Fast Battleship laid down 1935

Displacement:
37,199 t light; 39,410 t standard; 42,233 t normal; 44,322 t full load
Loading submergence 1,490 tons/feet

Dimensions:
845.00 ft x 121.00 ft x 39.50 ft (normal load)
257.56 m x 36.88 m x 12.04 m

Armament:
9 - 15.00" / 381 mm guns (3 Main turrets x 3 guns, 1 superfiring turret)
16 - 5.25" / 133 mm guns (8 2nd turrets x 2 guns)
25 - 1.56" / 40 mm AA guns
30 - 0.80" / 20 mm guns
Weight of broadside 16,400 lbs / 7,439 kg
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 12.00" / 305 mm, ends unarmoured
Belts cover 80 % of normal area
Main belt does not fully protect magazines and engineering spaces
Main turrets 14.00" / 356 mm
Armour deck 4.50" / 114 mm, Conning tower 14.00" / 356 mm
Torpedo bulkhead 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 140,437 shp / 104,766 Kw = 30.15 kts
Range 21,900nm at 10.00 kts

Complement:
1,473 - 1,914

Cost:
£18.238 million / $72.954 million

Distribution of weights at normal displacement:
Armament: 2,050 tons, 4.9 %
Armour: 12,176 tons, 28.8 %
Belts: 2,972 tons, 7.0 %, Armament: 3,693 tons, 8.7 %, Armour Deck: 4,341 tons, 10.3 %
Conning Tower: 368 tons, 0.9 %, Torpedo bulkhead: 803 tons, 1.9 %
Machinery: 3,990 tons, 9.4 %
Hull, fittings & equipment: 18,983 tons, 44.9 %
Fuel, ammunition & stores: 5,034 tons, 11.9 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 7.9

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.09
Shellfire needed to sink: 49,482 lbs / 22,445 Kg = 29.3 x 15.0 " / 381 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 7.5
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 74 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.44
Relative quality as seaboat: 1.47

Hull form characteristics:
Block coefficient: 0.366
Sharpness coefficient: 0.32
Hull speed coefficient 'M': 7.42
'Natural speed' for length: 29.07 kts
Power going to wave formation at top speed: 44 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 82.4 %
Relative accommodation and working space: 148.7 %
(Average = 100%)
Displacement factor: 116 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.94
(Structure weight / hull surface area: 228 lbs / square foot or 1,111 Kg / square metre)
Relative longitudinal hull strength: 1.70
(for 24.00 ft / 7.32 m average freeboard, freeboard adjustment 3.80 ft)
Relative composite hull strength: 1.00






Edited by: 17inc at: 4/28/03 7:14:12 am

AdmKuznetsov
Spammer wanna be
Posts: 30
(4/28/03 11:59:01 am)
Reply Re: this is a fast Battle ship BatemansBay
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A fast ship indeed, and a pretty good punch on the tonnage.

The 14" turret armor is a bit worrisome though. The belt is equal to HMS Hood, while the turret face is actually less than Hood's.

Visit my Russian/French fantasy fleet page:
admkuznetsov.tripod.com

Red Admiral
Spammer wanna be
Posts: 5
(4/28/03 12:15:12 pm)
Reply Re: this is a fast Battle ship BatemansBay
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i'm afraid that this design probably will not work because of the very small block coefficient of 0.366. It really isn't practical to mount large guns on such a fine hull. HMS Hood's block coefficient is 0.51 and other BCs were similar.

Rick has pointed out that this is a bit of an error: to make the ship work in springstyle then increase length and decrease the block coefficient to maintain the same displacement.

Rooijen10
So you want to be a spammer
Posts: 107
(4/28/03 12:15:57 pm)
Reply Re: this is a fast Battle ship BatemansBay
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The belt doesn't protect the magazines and engineering completely. You could lower the freeboard by a foot and increase coverage to 83 to get a complete protection.
Quite a low block coefficient as well. I'm no expert on that so I wouldn't know if it would be realistic or not to have such a block coefficient. All in all not a bad looking ship.

Walter

thesmilingassassin
Spammer wanna be
Posts: 61
(4/28/03 2:16:46 pm)
Reply armor
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I'm also conserned about the armor too, shes 37,000 tons so you've got 2000+ tons to work with. I'd consentrate on beefing up the main belt to 14" and bring the deck up to 5" or more. The last time i tried to build something similar to the Hood I found it tough so keep playing with springstyle and see what you get.

17inc
Spammer wanna be
Posts: 36
(4/29/03 7:12:18 am)
Reply Sorry thesmilingassing 2000+tons i do have
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if look! at the treaty you have just 40,000tons standard to play with where do get the 37,000tons from you must be reading the ligth tons side of the displacement you will note the ship just come in at 39,410tons

17inc
Spammer wanna be
Posts: 37
(4/29/03 7:46:17 am)
Reply well hears one on the lines of KGV BB
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you note this ones just over 3,884 tons treaty limit standard tons and is on the lines of a KGV class BB


Batemans bay class, Australian Fast Battleship laid down 1935

Displacement:
41,439 t light; 43,884 t standard; 46,849 t normal; 49,033 t full load
Loading submergence 1,597 tons/feet

Dimensions:
845.00 ft x 121.00 ft x 39.50 ft (normal load)
257.56 m x 36.88 m x 12.04 m

Armament:
10 - 15.00" / 381 mm guns (3 Main turrets, 1 superfiring turret)
16 - 5.25" / 133 mm guns (8 2nd turrets x 2 guns)
25 - 1.56" / 40 mm AA guns
30 - 0.80" / 20 mm guns
Weight of broadside 18,088 lbs / 8,204 kg
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 15.00" / 381 mm, ends unarmoured
Belts cover 89 % of normal area
Main turrets 15.00" / 381 mm, 2nd turrets 2.00" / 51 mm
Armour deck 5.00" / 127 mm, Conning tower 15.00" / 381 mm
Torpedo bulkhead 1.70" / 43 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 184,763 shp / 137,833 Kw = 31.72 kts
Range 21,900nm at 10.00 kts

Complement:
1,592 - 2,069

Cost:
£20.794 million / $83.174 million

Distribution of weights at normal displacement:
Armament: 2,261 tons, 4.8 %
Armour: 15,170 tons, 32.4 %
Belts: 4,133 tons, 8.8 %, Armament: 4,080 tons, 8.7 %, Armour Deck: 5,170 tons, 11.0 %
Conning Tower: 422 tons, 0.9 %, Torpedo bulkhead: 1,365 tons, 2.9 %
Machinery: 5,249 tons, 11.2 %
Hull, fittings & equipment: 18,759 tons, 40.0 %
Fuel, ammunition & stores: 5,409 tons, 11.5 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 6.6

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.00
Shellfire needed to sink: 42,857 lbs / 19,440 Kg = 25.4 x 15.0 " / 381 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 11.8
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.39
Relative quality as seaboat: 1.02

Hull form characteristics:
Block coefficient: 0.406
Sharpness coefficient: 0.34
Hull speed coefficient 'M': 7.17
'Natural speed' for length: 29.07 kts
Power going to wave formation at top speed: 49 %
Trim: 69
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 88.9 %
Relative accommodation and working space: 116.8 %
(Average = 100%)
Displacement factor: 107 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.97
(Structure weight / hull surface area: 226 lbs / square foot or 1,102 Kg / square metre)
Relative longitudinal hull strength: 1.27
(for 19.00 ft / 5.79 m average freeboard, freeboard adjustment -1.62 ft)
Relative composite hull strength: 1.00




Edited by: 17inc at: 4/29/03 7:53:34 am

Red Admiral
Spammer wanna be
Posts: 6
(4/30/03 11:42:55 am)
Reply Re: well hears one on the lines of KGV BB
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Well it is nothing like a KGV except for the main and secondary armament. The focus was armour on KGV and even though this ship is 8000ts heavier she has worse armour than 35500t KGV. Speed is too high for KGV. 28.5knts against 31.72, even HMS Vanguard isn't that fast.
Increase the block coefficient-don't you read the other posts?

This is much more on the lines of KGV but is built to a 35000t limit so there is lots to play with.


KGV?, laid down 1937

Length, 740 ft x Beam, 105.0 ft x Depth, 30.0 ft
37962 tons normal displacement (36191 tons standard)

Main battery: 8 x 15.0-inch (3 turrets; 1 superfiring)
Secondary battery: 20 x 4.5-inch (10 x 2)
AA battery: 32 x 1.6-inch

Weight of broadside: 14477 lbs

Main belt, 15.0 inches; bow and stern, 4.5 inches
Torpedo bulkhead, 2.0 inches
Armor deck, average 7.0 inches
C.T., 3.0 inches

Battery armor:
Main, 14.0" / secondary, 1.0"


Maximum speed for 112157 shp = 28.00 knots
Approximate cruising radius, 6500 nm / 15 kts

Typical complement: 1360-1768


Estimated cost, $68.796 million (£17.199 million)

Remarks:

Relative extent of belt armor, 81 percent of 'typical' coverage.

Magazines and engineering spaces are roomy, with superior
watertight subdivision.

Ship is roomy, with superior accommodation and working space.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 1810 tons = 5 pct
Armor, total ..................... 14823 tons = 39 pct

Belt 3495 tons = 9 pct
Torpedo bulkhead 1068 tons = 3 pct
Deck 6904 tons = 18 pct
C.T. 73 tons = 0 pct
Armament 3283 tons = 9 pct

Machinery ........................ 3109 tons = 8 pct
Hull and fittings; equipment ..... 14484 tons = 38 pct
Fuel, ammunition, stores ......... 3737 tons = 10 pct
Miscellaneous weights ............ 0 tons = 0 pct
-----
37962 tons = 100 pct

Estimated metacentric height, 7.1 ft

Displacement summary:

Light ship: 34225 tons
Standard displacement: 36191 tons
Normal service: 37962 tons
Full load: 39227 tons

Loading submergence 1523 tons/foot

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.16

Shellfire needed to sink: 46503 lbs = 27.6 x 15.0-inch shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 7.1
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 53 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.41

Relative quality as a seaboat: 1.06

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.57
Sharpness coefficient: 0.40
Hull speed coefficient 'M' = 6.74
'Natural speed' for length = 27.2 knots
Power going to wave formation
at top speed: 51 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 79 percent

Relative accommodation and working space: 149 percent


Displacement factor: 108 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 1.00
(Structure weight per square
foot of hull surface: 197 lbs)

Relative longitudinal hull strength: 1.15
(for 20.0 ft average freeboard;
freeboard adjustment +0.2 ft)

Relative composite hull strength: 1.01