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1

Friday, January 25th 2008, 12:24am

Assorted Ships

Khazad-dum, Dwarven Battleship laid down 1935

Displacement:
35,333 t light; 37,595 t standard; 42,000 t normal; 45,524 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(874.99 ft / 860.00 ft) x 101.00 ft x (29.00 / 30.97 ft)
(266.70 m / 262.13 m) x 30.78 m x (8.84 / 9.44 m)

Armament:
9 - 16.00" / 406 mm 50.0 cal guns - 2,168.09lbs / 983.43kg shells, 100 per gun
Breech loading guns in deck and hoist mounts, 1935 Model
3 x Triple mounts on centreline ends, evenly spread
1 raised mount - superfiring
20 - 5.00" / 127 mm 51.0 cal guns - 66.46lbs / 30.15kg shells, 350 per gun
Dual purpose guns in turret on barbette mounts, 1935 Model
10 x Twin mounts on sides amidships
12 - 3.00" / 76.2 mm 40.0 cal guns - 12.94lbs / 5.87kg shells, 550 per gun
Quick firing guns in deck and hoist mounts, 1935 Model
6 x Single mounts on sides, evenly spread
24 - 1.57" / 40.0 mm 45.0 cal guns - 1.97lbs / 0.89kg shells, 1,150 per gun
Anti-air guns in deck and hoist mounts, 1935 Model
12 x Twin mounts on sides amidships
12 - 0.79" / 20.0 mm 45.0 cal guns - 0.25lbs / 0.11kg shells, 1,150 per gun
Breech loading guns in deck mounts, 1935 Model
6 x Twin mounts on sides amidships
Weight of broadside 21,048 lbs / 9,547 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.0" / 356 mm 364.00 ft / 110.95 m 11.06 ft / 3.37 m
Ends: 6.00" / 152 mm 195.98 ft / 59.73 m 11.06 ft / 3.37 m
300.02 ft / 91.45 m Unarmoured ends
Main Belt covers 65 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Torpedo Bulkhead:
1.50" / 38 mm 364.00 ft / 110.95 m 23.87 ft / 7.28 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 14.0" / 356 mm 16.0" / 406 mm
2nd: 5.00" / 127 mm 3.00" / 76 mm 4.00" / 102 mm
3rd: 1.00" / 25 mm 0.50" / 13 mm -
4th: 0.50" / 13 mm - -

- Armoured deck - multiple decks: 6.00" / 152 mm For and Aft decks

- Conning towers: Forward 18.00" / 457 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 98,089 shp / 73,174 Kw = 27.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 7,929 tons

Complement:
1,466 - 1,906

Cost:
£19.402 million / $77.609 million

Distribution of weights at normal displacement:
Armament: 3,735 tons, 8.9 %
Armour: 11,196 tons, 26.7 %
- Belts: 3,063 tons, 7.3 %
- Torpedo bulkhead: 482 tons, 1.1 %
- Armament: 2,123 tons, 5.1 %
- Armour Deck: 5,060 tons, 12.0 %
- Conning Tower: 469 tons, 1.1 %
Machinery: 2,787 tons, 6.6 %
Hull, fittings & equipment: 17,465 tons, 41.6 %
Fuel, ammunition & stores: 6,667 tons, 15.9 %
Miscellaneous weights: 150 tons, 0.4 %
- Hull above water: 50 tons
- On freeboard deck: 50 tons
- Above deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
64,649 lbs / 29,324 Kg = 31.6 x 16.0 " / 406 mm shells or 8.3 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 6.7 ft / 2.0 m
Roll period: 16.4 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.88
Seaboat quality (Average = 1.00): 1.23

Hull form characteristics:
Hull has low quarterdeck ,
a normal bow and a round stern
Block coefficient (normal/deep): 0.584 / 0.592
Length to Beam Ratio: 8.51 : 1
'Natural speed' for length: 29.33 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 19.00 degrees
Stern overhang: 5.00 ft / 1.52 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 29.00 ft / 8.84 m, 23.00 ft / 7.01 m
- Forward deck: 30.00 %, 23.00 ft / 7.01 m, 23.00 ft / 7.01 m
- Aft deck: 25.00 %, 23.00 ft / 7.01 m, 23.00 ft / 7.01 m
- Quarter deck: 25.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m
- Average freeboard: 21.48 ft / 6.55 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 86.3 %
- Above water (accommodation/working, high = better): 186.9 %
Waterplane Area: 62,559 Square feet or 5,812 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 216 lbs/sq ft or 1,056 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.02
- Longitudinal: 1.02
- Overall: 1.02
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily







Eorlingas, Rohirrim Large Cruiser laid down 1935

Displacement:
21,323 t light; 22,218 t standard; 25,500 t normal; 28,126 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(794.65 ft / 780.00 ft) x 83.00 ft x (28.00 / 30.10 ft)
(242.21 m / 237.74 m) x 25.30 m x (8.53 / 9.17 m)

Armament:
15 - 9.50" / 241 mm 50.0 cal guns - 453.83lbs / 205.85kg shells, 90 per gun
Breech loading guns in turret on barbette mounts, 1935 Model
5 x Triple mounts on centreline ends, majority forward
2 raised mounts - superfiring
12 - 4.30" / 109 mm 45.0 cal guns - 40.09lbs / 18.19kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1935 Model
6 x Single mounts on sides amidships
24 - 1.57" / 40.0 mm 45.0 cal guns - 1.97lbs / 0.89kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1935 Model
12 x Twin mounts on sides amidships
6 raised mounts
12 - 0.79" / 20.0 mm 45.0 cal guns - 0.25lbs / 0.11kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1935 Model
4 x Triple mounts on sides, evenly spread
4 raised mounts
Weight of broadside 7,339 lbs / 3,329 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.00" / 178 mm 507.00 ft / 154.53 m 10.93 ft / 3.33 m
Ends: 3.00" / 76 mm 272.98 ft / 83.20 m 10.93 ft / 3.33 m
Main Belt covers 100 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.50" / 216 mm 6.00" / 152 mm 7.00" / 178 mm
3rd: 1.00" / 25 mm 0.50" / 13 mm -
4th: 0.50" / 13 mm - -

- Armoured deck - multiple decks: 4.00" / 102 mm For and Aft decks

- Conning towers: Forward 9.50" / 241 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 126,645 shp / 94,477 Kw = 32.00 kts
Range 14,900nm at 15.00 kts
Bunker at max displacement = 5,908 tons

Complement:
1,008 - 1,311

Cost:
£10.235 million / $40.942 million

Distribution of weights at normal displacement:
Armament: 1,830 tons, 7.2 %
Armour: 6,345 tons, 24.9 %
- Belts: 1,934 tons, 7.6 %
- Armament: 1,571 tons, 6.2 %
- Armour Deck: 2,663 tons, 10.4 %
- Conning Tower: 177 tons, 0.7 %
Machinery: 3,598 tons, 14.1 %
Hull, fittings & equipment: 9,400 tons, 36.9 %
Fuel, ammunition & stores: 4,177 tons, 16.4 %
Miscellaneous weights: 150 tons, 0.6 %
- Hull above water: 50 tons
- On freeboard deck: 50 tons
- Above deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
38,015 lbs / 17,243 Kg = 88.7 x 9.5 " / 241 mm shells or 3.4 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 4.2 ft / 1.3 m
Roll period: 17.0 seconds
Steadiness - As gun platform (Average = 50 %): 63 %
- Recoil effect (Restricted arc if above 1.00): 0.74
Seaboat quality (Average = 1.00): 1.26

Hull form characteristics:
Hull has a flush deck,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.492 / 0.505
Length to Beam Ratio: 9.40 : 1
'Natural speed' for length: 30.06 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 32.00 ft / 9.75 m, 23.00 ft / 7.01 m
- Forward deck: 30.00 %, 23.00 ft / 7.01 m, 23.00 ft / 7.01 m
- Aft deck: 35.00 %, 23.00 ft / 7.01 m, 23.00 ft / 7.01 m
- Quarter deck: 15.00 %, 23.00 ft / 7.01 m, 23.00 ft / 7.01 m
- Average freeboard: 23.72 ft / 7.23 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.1 %
- Above water (accommodation/working, high = better): 190.6 %
Waterplane Area: 43,858 Square feet or 4,075 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 154 lbs/sq ft or 753 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.24
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily

2

Friday, January 25th 2008, 12:32am

Regarding the Khazad-dum...

Quoted

Main belt does not fully cover magazines and engineering spaces

Your coverage is 65% while a minumum of 87% is needed.

Regarding the Eorlingas...

Reminds me of my Giga Mogami sim. :D

3

Friday, January 25th 2008, 12:43am

Quoted

Originally posted by Rooijen10
Regarding the Khazad-dum...

Quoted

Main belt does not fully cover magazines and engineering spaces

Your coverage is 65% while a minumum of 87% is needed.

...I always forget to check that! I need to write a list of "All the things to remember to look at before pronouncing a design complete." Bah. ;(

4

Friday, January 25th 2008, 6:33am

Heh, and you will still sometimes forget things even after creating many designs.

5

Friday, January 25th 2008, 8:07am

Don't feel to bad the first design i submitted i forgot to put some form of propulsion in. Then I went back and edited it later. Nice designs, the Eorlingas is a pretty big cruiser though even for a large one.

6

Friday, January 25th 2008, 8:51am

Does it follow Rohirrim naming conventions?

Hmmm. I've not planned that far ahead for Rohan (Navalism). I've gotten up to 1922 designs, and those are subject to technology and political factors. (This was designed some time ago as a "logical" design progression following an American pattern of twins than triples followed by twins of the next model of gun size up.)

Goldwine

Rohan Battleship laid down 1922

Displacement:
37,730 t light; 39,937 t standard; 42,750 t normal; 44,830 t full load

Dimensions: Length overall / water x beam x draught
673.55 ft / 660.00 ft x 108.00 ft x 30.00 ft (normal load)
205.30 m / 201.17 m x 32.92 m x 9.14 m

Armament:
8 - 18.00" / 457 mm guns (4x2 guns), 2,916.00lbs / 1,322.68kg shells, 1922 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
18 - 4.50" / 114 mm guns in single mounts, 45.56lbs / 20.67kg shells, 1922 Model
Quick firing guns in casemate mounts
on side, evenly spread
6 - 0.75" / 19.1 mm guns in single mounts, 0.21lbs / 0.10kg shells, 1922 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 24,149 lbs / 10,954 kg
Shells per gun, main battery: 100

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 18.0" / 457 mm 430.00 ft / 131.06 m 20.00 ft / 6.10 m
Ends: Unarmoured
Main Belt covers 100 % of normal length

- Torpedo Bulkhead:
3.25" / 83 mm 430.00 ft / 131.06 m 30.00 ft / 9.14 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 18.0" / 457 mm 10.0" / 254 mm 15.0" / 381 mm
2nd: 6.00" / 152 mm 4.00" / 102 mm -

- Armour deck: 3.00" / 76 mm, Conning tower: 18.00" / 457 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 57,000 shp / 42,522 Kw = 22.48 kts
Range 8,000nm at 15.00 kts (Bunkerage = 5,064 tons)

Complement:
1,486 - 1,932

Cost:
£11.255 million / $45.021 million

Distribution of weights at normal displacement:
Armament: 3,019 tons, 7.1 %
Armour: 16,465 tons, 38.5 %
- Belts: 6,852 tons, 16.0 %
- Torpedo bulkhead: 1,551 tons, 3.6 %
- Armament: 4,437 tons, 10.4 %
- Armour Deck: 3,149 tons, 7.4 %
- Conning Tower: 476 tons, 1.1 %
Machinery: 1,934 tons, 4.5 %
Hull, fittings & equipment: 16,313 tons, 38.2 %
Fuel, ammunition & stores: 5,020 tons, 11.7 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
43,439 lbs / 19,704 Kg = 14.9 x 18.0 " / 457 mm shells or 7.1 torpedoes
Stability (Unstable if below 1.00): 1.04
Metacentric height 6.0 ft / 1.8 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.75
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.700
Length to Beam Ratio: 6.11 : 1
'Natural speed' for length: 25.69 kts
Power going to wave formation at top speed: 47 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 24.30 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.00 ft / 9.14 m
- Forecastle (20 %): 24.00 ft / 7.32 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 15.00 ft / 4.57 m
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 18.96 ft / 5.78 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83.5 %
- Above water (accommodation/working, high = better): 127.8 %
Waterplane Area: 56,733 Square feet or 5,271 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 221 lbs/sq ft or 1,079 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.32
- Overall: 1.03
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily