Navarra, Iberia CVX laid down 1921

Displacement:

19,648 t light; 20,097 t standard; 22,189 t normal; 23,774 t full load

Loading submergence 1,086 tons/feet

Dimensions:

524.93 ft x 111.55 ft x 25.26 ft (normal load)

160.00 m x 34.00 m x 7.70 m

Armament:

12 - 2.24" / 57 mm AA guns

Weight of broadside 68 lbs / 31 kg

Armour:

Belt 9.02" / 229 mm, upper belt 5.91" / 150 mm, end belts 3.94" / 100 mm

Belts cover 84 % of normal area

Main belt does not fully protect magazines and engineering spaces

Armour deck 2.36" / 60 mm, Torpedo bulkhead 0.79" / 20 mm

Machinery:

Oil fired boilers, steam turbines,

Geared drive, 4 shafts, 97,281 shp / 72,572 Kw = 28.00 kts

Range 9,000nm at 15.00 kts

Complement:

909 - 1,181

Cost:

£2.962 million / $11.849 million

Distribution of weights at normal displacement:

Armament: 8 tons, 0.0 %

Armour: 4,313 tons, 19.4 %

Belts: 2,400 tons, 10.8 %, Armament: 0 tons, 0.0 %, Armour Deck: 1,662 tons, 7.5 %

Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 251 tons, 1.1 %

Machinery: 3,350 tons, 15.1 %

Hull, fittings & equipment: 6,477 tons, 29.2 %

Fuel, ammunition & stores: 2,541 tons, 11.5 %

Miscellaneous weights: 5,500 tons, 24.8 %

Metacentric height 7.4

Remarks:

Hull space for machinery, storage & compartmentation is adequate

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: 1.13

Shellfire needed to sink: 28,684 lbs / 13,011 Kg = 68.0 x 6 " / 152 mm shells

(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)

Torpedoes needed to sink: 4.4

(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: 0.00

Relative quality as seaboat: 1.08

Hull form characteristics:

Block coefficient: 0.525

Sharpness coefficient: 0.44

Hull speed coefficient 'M': 5.71

'Natural speed' for length: 22.91 kts

Power going to wave formation at top speed: 63 %

Trim: 65

(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 93.8 %

Relative accommodation and working space: 209.1 %

(Average = 100%)

Displacement factor: 134 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.92

(Structure weight / hull surface area: 122 lbs / square foot or 596 Kg / square metre)

Relative longitudinal hull strength: 2.30

(for 26.25 ft / 8.00 m average freeboard, freeboard adjustment 8.49 ft)

Relative composite hull strength: 1.01

reengined, torpedo bulbs added

65 planes

Displacement:

19,648 t light; 20,097 t standard; 22,189 t normal; 23,774 t full load

Loading submergence 1,086 tons/feet

Dimensions:

524.93 ft x 111.55 ft x 25.26 ft (normal load)

160.00 m x 34.00 m x 7.70 m

Armament:

12 - 2.24" / 57 mm AA guns

Weight of broadside 68 lbs / 31 kg

Armour:

Belt 9.02" / 229 mm, upper belt 5.91" / 150 mm, end belts 3.94" / 100 mm

Belts cover 84 % of normal area

Main belt does not fully protect magazines and engineering spaces

Armour deck 2.36" / 60 mm, Torpedo bulkhead 0.79" / 20 mm

Machinery:

Oil fired boilers, steam turbines,

Geared drive, 4 shafts, 97,281 shp / 72,572 Kw = 28.00 kts

Range 9,000nm at 15.00 kts

Complement:

909 - 1,181

Cost:

£2.962 million / $11.849 million

Distribution of weights at normal displacement:

Armament: 8 tons, 0.0 %

Armour: 4,313 tons, 19.4 %

Belts: 2,400 tons, 10.8 %, Armament: 0 tons, 0.0 %, Armour Deck: 1,662 tons, 7.5 %

Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 251 tons, 1.1 %

Machinery: 3,350 tons, 15.1 %

Hull, fittings & equipment: 6,477 tons, 29.2 %

Fuel, ammunition & stores: 2,541 tons, 11.5 %

Miscellaneous weights: 5,500 tons, 24.8 %

Metacentric height 7.4

Remarks:

Hull space for machinery, storage & compartmentation is adequate

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: 1.13

Shellfire needed to sink: 28,684 lbs / 13,011 Kg = 68.0 x 6 " / 152 mm shells

(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)

Torpedoes needed to sink: 4.4

(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: 0.00

Relative quality as seaboat: 1.08

Hull form characteristics:

Block coefficient: 0.525

Sharpness coefficient: 0.44

Hull speed coefficient 'M': 5.71

'Natural speed' for length: 22.91 kts

Power going to wave formation at top speed: 63 %

Trim: 65

(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 93.8 %

Relative accommodation and working space: 209.1 %

(Average = 100%)

Displacement factor: 134 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.92

(Structure weight / hull surface area: 122 lbs / square foot or 596 Kg / square metre)

Relative longitudinal hull strength: 2.30

(for 26.25 ft / 8.00 m average freeboard, freeboard adjustment 8.49 ft)

Relative composite hull strength: 1.01

reengined, torpedo bulbs added

65 planes

Navarra, Iberia CVX laid down 1921

Displacement:

19,602 t light; 20,092 t standard; 22,189 t normal; 23,778 t full load

Loading submergence 1,086 tons/feet

Dimensions:

524.93 ft x 111.55 ft x 25.26 ft (normal load)

160.00 m x 34.00 m x 7.70 m

Armament:

16 - 3.94" / 100 mm guns (4 Main turrets x 4 guns)

12 - 2.24" / 57 mm AA guns

Weight of broadside 556 lbs / 252 kg

Armour:

Belt 9.02" / 229 mm, upper belt 5.91" / 150 mm, end belts 3.94" / 100 mm

Belts cover 84 % of normal area

Main belt does not fully protect magazines and engineering spaces

Main turrets 2.36" / 60 mm,

Armour deck 2.36" / 60 mm, Torpedo bulkhead 0.79" / 20 mm

Machinery:

Oil fired boilers, steam turbines,

Geared drive, 4 shafts, 97,281 shp / 72,572 Kw = 28.00 kts

Range 9,000nm at 15.00 kts

Complement:

909 - 1,181

Cost:

£3.089 million / $12.355 million

Distribution of weights at normal displacement:

Armament: 69 tons, 0.3 %

Armour: 4,487 tons, 20.2 %

Belts: 2,400 tons, 10.8 %, Armament: 174 tons, 0.8 %, Armour Deck: 1,662 tons, 7.5 %

Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 251 tons, 1.1 %

Machinery: 3,350 tons, 15.1 %

Hull, fittings & equipment: 6,695 tons, 30.2 %

Fuel, ammunition & stores: 2,587 tons, 11.7 %

Miscellaneous weights: 5,000 tons, 22.5 %

Metacentric height 7.4

Remarks:

Hull space for machinery, storage & compartmentation is adequate

Room for accommodation & workspaces is excellent

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.13

Shellfire needed to sink: 28,858 lbs / 13,090 Kg = 945.8 x 3.9 " / 100 mm shells

(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)

Torpedoes needed to sink: 4.4

(Approx number of typical torpedo hits needed to sink ship)

Relative steadiness as gun platform: 69 %

(Average = 50 %)

Relative rocking effect from firing to beam: 0.02

Relative quality as seaboat: 1.07

Hull form characteristics:

Block coefficient: 0.525

Sharpness coefficient: 0.44

Hull speed coefficient 'M': 5.71

'Natural speed' for length: 22.91 kts

Power going to wave formation at top speed: 63 %

Trim: 65

(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 93.4 %

Relative accommodation and working space: 209.1 %

(Average = 100%)

Displacement factor: 133 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.93

(Structure weight / hull surface area: 126 lbs / square foot or 616 Kg / square metre)

Relative longitudinal hull strength: 2.33

(for 26.25 ft / 8.00 m average freeboard, freeboard adjustment 8.49 ft)

Relative composite hull strength: 1.01

reengined, torpedo bulbs added

65 planes

Displacement:

19,602 t light; 20,092 t standard; 22,189 t normal; 23,778 t full load

Loading submergence 1,086 tons/feet

Dimensions:

524.93 ft x 111.55 ft x 25.26 ft (normal load)

160.00 m x 34.00 m x 7.70 m

Armament:

16 - 3.94" / 100 mm guns (4 Main turrets x 4 guns)

12 - 2.24" / 57 mm AA guns

Weight of broadside 556 lbs / 252 kg

Armour:

Belt 9.02" / 229 mm, upper belt 5.91" / 150 mm, end belts 3.94" / 100 mm

Belts cover 84 % of normal area

Main belt does not fully protect magazines and engineering spaces

Main turrets 2.36" / 60 mm,

Armour deck 2.36" / 60 mm, Torpedo bulkhead 0.79" / 20 mm

Machinery:

Oil fired boilers, steam turbines,

Geared drive, 4 shafts, 97,281 shp / 72,572 Kw = 28.00 kts

Range 9,000nm at 15.00 kts

Complement:

909 - 1,181

Cost:

£3.089 million / $12.355 million

Distribution of weights at normal displacement:

Armament: 69 tons, 0.3 %

Armour: 4,487 tons, 20.2 %

Belts: 2,400 tons, 10.8 %, Armament: 174 tons, 0.8 %, Armour Deck: 1,662 tons, 7.5 %

Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 251 tons, 1.1 %

Machinery: 3,350 tons, 15.1 %

Hull, fittings & equipment: 6,695 tons, 30.2 %

Fuel, ammunition & stores: 2,587 tons, 11.7 %

Miscellaneous weights: 5,000 tons, 22.5 %

Metacentric height 7.4

Remarks:

Hull space for machinery, storage & compartmentation is adequate

Room for accommodation & workspaces is excellent

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.13

Shellfire needed to sink: 28,858 lbs / 13,090 Kg = 945.8 x 3.9 " / 100 mm shells

(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)

Torpedoes needed to sink: 4.4

(Approx number of typical torpedo hits needed to sink ship)

Relative steadiness as gun platform: 69 %

(Average = 50 %)

Relative rocking effect from firing to beam: 0.02

Relative quality as seaboat: 1.07

Hull form characteristics:

Block coefficient: 0.525

Sharpness coefficient: 0.44

Hull speed coefficient 'M': 5.71

'Natural speed' for length: 22.91 kts

Power going to wave formation at top speed: 63 %

Trim: 65

(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 93.4 %

Relative accommodation and working space: 209.1 %

(Average = 100%)

Displacement factor: 133 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.93

(Structure weight / hull surface area: 126 lbs / square foot or 616 Kg / square metre)

Relative longitudinal hull strength: 2.33

(for 26.25 ft / 8.00 m average freeboard, freeboard adjustment 8.49 ft)

Relative composite hull strength: 1.01

reengined, torpedo bulbs added

65 planes

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