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1

Thursday, October 14th 2004, 9:44pm

Battleships



Tyr (Build), Denmark BBL laid down 1927

K.D.M. Tyr
K.D.M. Vali

Displacement:
24,975 t light; 26,486 t standard; 28,494 t normal; 30,101 t full load

Dimensions: Length overall / water x beam x draught
725.59 ft / 700.00 ft x 92.00 ft x 29.00 ft (normal load)
221.16 m / 213.36 m x 28.04 m x 8.84 m

Armament:
6 - 15.00" / 381 mm guns (2x3 guns), 1,687.50lbs / 765.44kg shells, 1927 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
4 - 5.12" / 130 mm guns (2x2 guns), 67.03lbs / 30.40kg shells, 1926 Model
Dual purpose guns in turrets (on barbettes)
on centreline ends, evenly spread, all raised mounts
8 - 5.12" / 130 mm guns (4x2 guns), 67.03lbs / 30.40kg shells, 1926 Model
Dual purpose guns in turrets (on barbettes)
on side, all amidships
24 - 2.24" / 57.0 mm guns (12x2 guns), 5.65lbs / 2.56kg shells, 1925 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 8 raised mounts
24 - 0.79" / 20.0 mm guns (10 mounts), 0.24lbs / 0.11kg shells, 1925 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 8 raised mounts
Weight of broadside 11,071 lbs / 5,022 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.8" / 350 mm 448.49 ft / 136.70 m 11.48 ft / 3.50 m
Ends: Unarmoured
Main Belt covers 99 % of normal length

- Torpedo Bulkhead:
0.98" / 25 mm 448.49 ft / 136.70 m 26.25 ft / 8.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.8" / 350 mm 7.87" / 200 mm 13.8" / 350 mm
2nd: 1.97" / 50 mm 0.79" / 20 mm 1.57" / 40 mm
3rd: 1.97" / 50 mm 0.79" / 20 mm 1.57" / 40 mm
4th: 0.59" / 15 mm - -
5th: 0.59" / 15 mm - -

- Armour deck: 4.72" / 120 mm, Conning tower: 13.78" / 350 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 107,060 shp / 79,867 Kw = 29.00 kts
Range 13,000nm at 12.00 kts
Bunker at max displacement = 3,615 tons

Complement:
1,096 - 1,425

Cost:
£9.126 million / $36.504 million

Distribution of weights at normal displacement:
Armament: 1,384 tons, 4.9 %
Armour: 9,334 tons, 32.8 %
- Belts: 3,044 tons, 10.7 %
- Torpedo bulkhead: 429 tons, 1.5 %
- Armament: 1,715 tons, 6.0 %
- Armour Deck: 3,870 tons, 13.6 %
- Conning Tower: 277 tons, 1.0 %
Machinery: 3,379 tons, 11.9 %
Hull, fittings & equipment: 10,727 tons, 37.6 %
Fuel, ammunition & stores: 3,519 tons, 12.4 %
Miscellaneous weights: 150 tons, 0.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
33,131 lbs / 15,028 Kg = 19.6 x 15.0 " / 381 mm shells or 5.0 torpedoes
Stability (Unstable if below 1.00): 1.04
Metacentric height 4.8 ft / 1.5 m
Roll period: 17.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.56
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.534
Length to Beam Ratio: 7.61 : 1
'Natural speed' for length: 26.46 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 10.00 ft / 3.05 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.00 ft / 8.23 m
- Forecastle (20 %): 18.25 ft / 5.56 m
- Mid (50 %): 17.25 ft / 5.26 m
- Quarterdeck (15 %): 16.25 ft / 4.95 m
- Stern: 16.25 ft / 4.95 m
- Average freeboard: 17.98 ft / 5.48 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 98.5 %
- Above water (accommodation/working, high = better): 132.4 %
Waterplane Area: 44,277 Square feet or 4,113 Square metres
Displacement factor (Displacement / loading): 104 %
Structure weight / hull surface area: 174 lbs/sq ft or 848 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.18
- Overall: 1.00
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

Aircraft = 3 (type to be decided)

This post has been edited 3 times, last edit by "Commodore Green" (Aug 31st 2011, 10:11pm)


2

Thursday, January 7th 2010, 12:01am

Thor class

Thor, Denmark, BB laid down 1937

K.D.M. Thor
K.D.M. Aegir

Displacement:
41,328 t light; 43,825 t standard; 46,502 t normal; 48,644 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(833.67 ft / 804.00 ft) x 108.00 ft x (33.00 / 34.17 ft)
(254.10 m / 245.06 m) x 32.92 m x (10.06 / 10.41 m)

Armament:
9 - 15.00" / 381 mm 45.0 cal guns - 1,873.93lbs / 850.00kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1937 Model
3 x Triple mounts on centreline ends, majority forward
1 raised mount - superfiring
22 - 4.72" / 120 mm 55.0 cal guns - 56.91lbs / 25.81kg shells, 400 per gun
Dual purpose guns in turret on barbette mounts, 1937 Model
10 x Twin mounts on sides, evenly spread
4 raised mounts
1 x Twin mount on centreline, aft evenly spread
1 raised mount
36 - 2.24" / 57.0 mm 55.0 cal guns - 6.10lbs / 2.77kg shells, 1,200 per gun
Dual purpose guns in deck mounts, 1937 Model
14 x Twin mounts on sides, evenly spread
14 raised mounts
4 x Twin mounts on centreline, evenly spread
48 - 0.79" / 20.0 mm 60.0 cal guns - 0.27lbs / 0.12kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1937 Model
20 x Twin mounts on sides, evenly spread
20 raised mounts
2 x Quad mounts on centreline ends, evenly spread
2 double raised mounts
24 - 0.51" / 13.0 mm 60.0 cal guns - 0.07lbs / 0.03kg shells, 4,000 per gun
Machine guns in deck mounts, 1937 Model
24 x Single mounts on sides amidships
24 raised mounts
Weight of broadside 18,352 lbs / 8,324 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.8" / 375 mm 508.53 ft / 155.00 m 16.40 ft / 5.00 m
Ends: 3.94" / 100 mm 295.28 ft / 90.00 m 16.40 ft / 5.00 m
Main Belt covers 97 % of normal length

- Torpedo Bulkhead:
1.97" / 50 mm 508.53 ft / 155.00 m 32.81 ft / 10.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 7.87" / 200 mm 11.8" / 300 mm
2nd: 1.97" / 50 mm 0.79" / 20 mm 3.94" / 100 mm
3rd: 0.79" / 20 mm 0.79" / 20 mm -
4th: 0.79" / 20 mm 0.79" / 20 mm -

- Armoured deck - multiple decks: 6.30" / 160 mm For and Aft decks
Forecastle: 3.94" / 100 mm Quarter deck: 3.94" / 100 mm

- Conning towers: Forward 11.81" / 300 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 4 shafts, 122,349 shp / 91,272 Kw = 29.00 kts
Range 13,000nm at 12.00 kts
Bunker at max displacement = 4,819 tons

Complement:
1,583 - 2,058

Cost:
£19.160 million / $76.639 million

Distribution of weights at normal displacement:
Armament: 2,975 tons, 6.4 %
Armour: 17,816 tons, 38.3 %
- Belts: 6,008 tons, 12.9 %
- Torpedo bulkhead: 1,215 tons, 2.6 %
- Armament: 3,300 tons, 7.1 %
- Armour Deck: 6,964 tons, 15.0 %
- Conning Tower: 329 tons, 0.7 %
Machinery: 3,391 tons, 7.3 %
Hull, fittings & equipment: 16,642 tons, 35.8 %
Fuel, ammunition & stores: 5,174 tons, 11.1 %
Miscellaneous weights: 503 tons, 1.1 %
- Hull below water: 103 tons
- Hull above water: 100 tons
- On freeboard deck: 200 tons
- Above deck: 100 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
79,058 lbs / 35,860 Kg = 46.8 x 15.0 " / 381 mm shells or 13.7 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 6.8 ft / 2.1 m
Roll period: 17.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.64
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has a flush deck,
an extended bulbous bow and large transom stern
Block coefficient (normal/deep): 0.568 / 0.574
Length to Beam Ratio: 7.44 : 1
'Natural speed' for length: 32.89 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 33.00 ft / 10.06 m, 23.50 ft / 7.16 m
- Forward deck: 30.00 %, 23.50 ft / 7.16 m, 21.00 ft / 6.40 m
- Aft deck: 33.00 %, 21.00 ft / 6.40 m, 21.00 ft / 6.40 m
- Quarter deck: 17.00 %, 21.00 ft / 6.40 m, 23.00 ft / 7.01 m
- Average freeboard: 22.81 ft / 6.95 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 70.2 %
- Above water (accommodation/working, high = better): 166.8 %
Waterplane Area: 64,189 Square feet or 5,963 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 203 lbs/sq ft or 993 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.26
- 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
Good seaboat, rides out heavy weather easily

A follow on from the Tyr class, 2 ships planned, Thor and Aegir

Secondaries are twins, simmed as triples to assertain extra weight of HA/LA mount, weight then added as misc weight, in this case 73 tons.

4 Aircraft to be carried, type yet to be decided upon, with catapult

Torpedo bulkhead is a twin layer arrangement, the outer layer being 20mm thick, the inner 30mm.

This post has been edited 1 times, last edit by "Commodore Green" (Sep 20th 2010, 1:36am)