Nagelring , laid down 1924, rebuild 1936
Displacement:
7.617 t light; 8.049 t standard; 8.696 t normal; 9.178 t full load
Loading submergence 697 tons/feet
Dimensions:
498,69 ft x 68,90 ft x 14,76 ft (normal load)
152,00 m x 21,00 m x 4,50 m
Armament:
6 - 9,84" / 250 mm guns (2 Main turrets x 3 guns)
10 - 3,46" / 88 mm guns
16 - 1,57" / 40 mm AA guns
12 - 0,79" / 20 mm guns
Weight of broadside 3.103 lbs / 1.407 kg
6 - 21,0" / 533 mm above water torpedoes
Armour:
Belt 4,72" / 120 mm, ends unarmoured
Belts cover 82% of normal area
Main turrets 7,09" / 180 mm, 2nd gun shields 0,98" / 25 mm
AA gun shields 0,98" / 25 mm, Light gun shields 0,59" / 15 mm
Armour deck 1,57" / 40 mm, Conning tower 5,91" / 150 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 4 shafts, 37.534 shp / 28.000 Kw = 25,55 kts (24kts officially)
Range 8.000nm at 12,00 kts
Complement:
450 - 585
Cost:
£2,366 million / $9,464 million
Distribution of weights at normal displacement:
Armament: 388 tons, 4,5%
Armour: 1.892 tons, 21,8%
Belts: 532 tons, 6,1%, Armament: 596 tons, 6,9%, Armour Deck: 711 tons, 8,2%
Conning Tower: 54 tons, 0,6%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 1.236 tons, 14,2%
Hull, fittings & equipment: 4.051 tons, 46,6%
Fuel, ammunition & stores: 1.079 tons, 12,4%
Miscellaneous weights: 50 tons, 0,6%
Metacentric height 3,5
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
Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,11
Shellfire needed to sink: 13.474 lbs / 6.112 Kg = 28,3 x 9,8 " / 250 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2,1
(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: 0,53
Relative quality as seaboat: 1,02
Hull form characteristics:
Block coefficient: 0,600
Sharpness coefficient: 0,40
Hull speed coefficient 'M': 7,42
'Natural speed' for length: 22,33 kts
Power going to wave formation at top speed: 54 %
Trim: 68
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)
Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 81,6%
Relative accommodation and working space: 159,5%
(Average = 100%)
Displacement factor: 116%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0,96
(Structure weight / hull surface area: 121 lbs / square foot or 590 Kg / square metre)
Relative longitudinal hull strength: 1,40
(for 17,55 ft / 5,35 m average freeboard, freeboard adjustment 2,83 ft)
Relative composite hull strength: 1,00
After Rebuild:
Displacement:
7.663 t light; 8.118 t standard; 8.696 t normal; 9.159 t full load
Dimensions: Length overall / water x beam x draught
513,90 ft / 498,69 ft x 68,90 ft x 14,76 ft (normal load)
156,64 m / 152,00 m x 21,00 m x 4,50 m
Armament:
6 - 9,84" / 250 mm guns (2x3 guns), 476,75lbs / 216,25kg shells, 1936 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
8 - 4,53" / 115 mm guns (4x2 guns), 46,40lbs / 21,05kg shells, 1936 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, 2 raised mounts
16 - 1,57" / 40,0 mm guns (8x2 guns), 1,95lbs / 0,89kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
12 - 0,79" / 20,0 mm guns (2x6 guns), 0,24lbs / 0,11kg shells, 1936 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 3.266 lbs / 1.481 kg
Shells per gun, main battery: 150
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4,72" / 120 mm 265,75 ft / 81,00 m 10,50 ft / 3,20 m
Ends: Unarmoured
Main Belt covers 82% of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7,09" / 180 mm 4,72" / 120 mm 7,09" / 180 mm
2nd: 1,38" / 35 mm 0,98" / 25 mm 0,98" / 25 mm
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -
- Armour deck: 1,77" / 45 mm, Conning tower: 5,91" / 150 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 4 shafts, 37.534 shp / 28.000 Kw = 25,55 kts
Range 8.000nm at 12,00 kts
Bunker at max displacement = 1.041 tons
Complement:
449 - 585
Cost:
£4,000 million / $15,999 million
Distribution of weights at normal displacement:
Armament: 408 tons, 4,7%
Armour: 1.996 tons, 23,0%
- Belts: 594 tons, 6,8%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 525 tons, 6,0%
- Armour Deck: 824 tons, 9,5%
- Conning Tower: 54 tons, 0,6%
Machinery: 1.053 tons, 12,1%
Hull, fittings & equipment: 4.155 tons, 47,8%
Fuel, ammunition & stores: 1.033 tons, 11,9%
Miscellaneous weights: 50 tons, 0,6%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14.691 lbs / 6.664 Kg = 30,8 x 9,8 " / 250 mm shells or 2,3 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 3,4 ft / 1,0 m
Roll period: 15,6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,58
Seaboat quality (Average = 1.00): 1,05
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,600
Length to Beam Ratio: 7,24 : 1
'Natural speed' for length: 22,33 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 25,00 degrees
Stern overhang: 3,28 ft / 1,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25,59 ft / 7,80 m
- Forecastle (20%): 20,34 ft / 6,20 m
- Mid (65%): 20,34 ft / 6,20 m (12,47 ft / 3,80 m aft of break)
- Quarterdeck (15%): 12,47 ft / 3,80 m
- Stern: 12,47 ft / 3,80 m
- Average freeboard: 18,01 ft / 5,49 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76,8%
- Above water (accommodation/working, high = better): 191,0%
Waterplane Area: 25.129 Square feet or 2.335 Square metres
Displacement factor (Displacement / loading): 117%
Structure weight / hull surface area: 122 lbs/sq ft or 596 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,95
- Longitudinal: 1,50
- 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