Acorazados Costeros

[Sachmle]

Fortaleza (ex-Thorin) (sold to California 1904, returned to Rohan 1908, purchased in 1909)

Scrapped in 1912

NUS (ex-Rohan) Coastal Battleship laid down 1887

Displacement:
5,434 t light; 5,853 t standard; 6,300 t normal; 6,633 t full load

Dimensions: Length overall / water x beam x draught
350.00 ft / 350.00 ft x 55.00 ft x 17.00 ft (normal load)
106.68 m / 106.68 m x 16.76 m x 5.18 m

Armament:
4 - 12.00" / 305 mm guns (2x2 guns), 825.14lbs / 374.28kg shells, 1887 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
12 - 3.00" / 76.2 mm guns in single mounts, 12.89lbs / 5.85kg shells, 1887 Model
Quick firing guns in casemate mounts
on side, evenly spread
4 - 0.75" / 19.1 mm guns in single mounts, 0.20lbs / 0.09kg shells, 1887 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 3,456 lbs / 1,568 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.50" / 191 mm 201.00 ft / 61.26 m 10.00 ft / 3.05 m
Ends: 4.00" / 102 mm 149.00 ft / 45.42 m 10.00 ft / 3.05 m
Upper: 4.00" / 102 mm 201.00 ft / 61.26 m 10.00 ft / 3.05 m
Main Belt covers 88 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7.00" / 178 mm - 1.00" / 25 mm
2nd: 4.00" / 102 mm - -
3rd: 0.75" / 19 mm - -

- Armour deck: 1.00" / 25 mm, Conning tower: 9.00" / 229 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 3,572 ihp / 2,665 Kw = 14.00 kts
Range 4,000nm at 9.00 kts (Bunkerage = 805 tons)

Complement:
353 - 459

Cost:
£0.648 million / $2.593 million

Distribution of weights at normal displacement:
Armament: 432 tons, 6.9 %
Armour: 1,799 tons, 28.6 %
- Belts: 1,268 tons, 20.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 189 tons, 3.0 %
- Armour Deck: 276 tons, 4.4 %
- Conning Tower: 66 tons, 1.0 %
Machinery: 680 tons, 10.8 %
Hull, fittings & equipment: 2,524 tons, 40.1 %
Fuel, ammunition & stores: 866 tons, 13.7 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,307 lbs / 3,315 Kg = 8.9 x 12.0 " / 305 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.29
Metacentric height 3.2 ft / 1.0 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.68
Seaboat quality (Average = 1.00): 1.66

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.674
Length to Beam Ratio: 6.36 : 1
'Natural speed' for length: 18.71 kts
Power going to wave formation at top speed: 37 %
Trim (Max stability = 0, Max steadiness = 100): 42
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.00 ft / 6.71 m
- Forecastle (20 %): 16.00 ft / 4.88 m
- Mid (50 %): 13.00 ft / 3.96 m
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 13.88 ft / 4.23 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 88.2 %
- Above water (accommodation/working, high = better): 105.8 %
Waterplane Area: 14,912 Square feet or 1,385 Square metres
Displacement factor (Displacement / loading): 95 %
Structure weight / hull surface area: 118 lbs/sq ft or 578 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.90
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[Sachmle]

Costero (ex-Tarondor) - laid down 1889 (Purchased in 1909)
Defensor (ex-Tarcil) - laid down 1889 (Purchased in 1909)

Scrapped in 1912

NUS Coastal Battleships (ex-Rohan Combat Cruisers) laid down 1889

Displacement:
5,412 t light; 5,829 t standard; 6,300 t normal; 6,651 t full load

Dimensions: Length overall / water x beam x draught
325.00 ft / 325.00 ft x 54.00 ft x 21.00 ft (normal load)
99.06 m / 99.06 m x 16.46 m x 6.40 m

Armament:
2 - 11.00" / 279 mm guns (1x2 guns), 655.52lbs / 297.34kg shells, 1889 Model
Breech loading guns in a turret (on a barbette)
on centreline forward
2 - 9.00" / 229 mm guns (1x2 guns), 359.04lbs / 162.86kg shells, 1889 Model
Breech loading guns in a deck mount with hoist
on centreline forward, all raised guns - superfiring
10 - 6.00" / 152 mm guns in single mounts, 106.38lbs / 48.25kg shells, 1889 Model
Breech loading guns in casemate mounts
on side, evenly spread
6 guns in hull casemates - Limited use in all but light seas
8 - 3.00" / 76.2 mm guns in single mounts, 13.30lbs / 6.03kg shells, 1889 Model
Quick firing guns in deck mounts
on side, evenly spread, 4 raised mounts
4 - 0.75" / 19.1 mm guns in single mounts, 0.21lbs / 0.09kg shells, 1889 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 3,200 lbs / 1,452 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.00" / 178 mm 185.00 ft / 56.39 m 11.00 ft / 3.35 m
Ends: 2.00" / 51 mm 140.00 ft / 42.67 m 11.00 ft / 3.35 m
Upper: 3.00" / 76 mm 185.00 ft / 56.39 m 11.00 ft / 3.35 m
Main Belt covers 88 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7.00" / 178 mm 4.00" / 102 mm 5.00" / 127 mm
2nd: 4.00" / 102 mm 3.00" / 76 mm 5.00" / 127 mm
3rd: 3.00" / 76 mm - -
4th: 0.75" / 19 mm - -

- Armour deck: 1.00" / 25 mm, Conning tower: 7.00" / 178 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 3,927 ihp / 2,930 Kw = 14.50 kts
Range 6,000nm at 8.00 kts (Bunkerage = 848 tons)

Complement:
353 - 459

Cost:
£0.628 million / $2.513 million

Distribution of weights at normal displacement:
Armament: 400 tons, 6.3 %
Armour: 1,652 tons, 26.2 %
- Belts: 1,041 tons, 16.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 328 tons, 5.2 %
- Armour Deck: 232 tons, 3.7 %
- Conning Tower: 51 tons, 0.8 %
Machinery: 734 tons, 11.6 %
Hull, fittings & equipment: 2,626 tons, 41.7 %
Fuel, ammunition & stores: 888 tons, 14.1 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,854 lbs / 3,109 Kg = 10.5 x 11.0 " / 279 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 2.8 ft / 0.8 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.77
Seaboat quality (Average = 1.00): 1.76

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.598
Length to Beam Ratio: 6.02 : 1
'Natural speed' for length: 18.03 kts
Power going to wave formation at top speed: 40 %
Trim (Max stability = 0, Max steadiness = 100): 40
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (20 %): 14.00 ft / 4.27 m
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 13.91 ft / 4.24 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87.4 %
- Above water (accommodation/working, high = better): 91.0 %
Waterplane Area: 12,532 Square feet or 1,164 Square metres
Displacement factor (Displacement / loading): 100 %
Structure weight / hull surface area: 135 lbs/sq ft or 658 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 3.06
- Overall: 1.12
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[Sachmle]

Coastal ship #1 ex-Araval - laid down 1891 (Purchased in 1910)
Coastal ship #2 ex-Argeleb - laid down 1891 (Purchased in 1910)
Coastal ship #3 ex-Arvedui - laid down 1892 (Purchased in 1910)

Scrapped between 1910 and 1911

NUS Coastal defense ships (ex-Rohan Combat Cruisers) laid down 1891

Displacement:
6,261 t light; 6,842 t standard; 7,202 t normal; 7,462 t full load

Dimensions: Length overall / water x beam x draught
355.00 ft / 355.00 ft x 58.00 ft x 21.00 ft (normal load)
108.20 m / 108.20 m x 17.68 m x 6.40 m

Armament:
2 - 11.00" / 279 mm guns (1x2 guns), 665.50lbs / 301.87kg shells, 1891 Model
Breech loading guns in a turret (on a barbette)
on centreline forward
4 - 9.00" / 229 mm guns in single mounts, 364.50lbs / 165.33kg shells, 1891 Model
Breech loading guns in turrets (on barbettes)
on side ends, evenly spread
4 - 9.00" / 229 mm guns in single mounts, 364.50lbs / 165.33kg shells, 1891 Model
Breech loading guns in casemate mounts
on side, all amidships
12 - 4.50" / 114 mm guns in single mounts, 45.56lbs / 20.67kg shells, 1891 Model
Quick firing guns in deck mounts
on side, all amidships
6 guns in hull casemates - Limited use in all but light seas
4 - 0.75" / 19.1 mm guns in single mounts, 0.21lbs / 0.10kg shells, 1891 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 4,795 lbs / 2,175 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 228.00 ft / 69.49 m 10.00 ft / 3.05 m
Ends: 3.00" / 76 mm 127.00 ft / 38.71 m 9.00 ft / 2.74 m
Upper: 3.00" / 76 mm 228.00 ft / 69.49 m 10.00 ft / 3.05 m
Main Belt covers 99 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6.00" / 152 mm 4.00" / 102 mm 4.00" / 102 mm
2nd: 5.00" / 127 mm 3.00" / 76 mm 3.00" / 76 mm
3rd: 3.00" / 76 mm - -
4th: 3.00" / 76 mm - -

- Armour deck: 1.00" / 25 mm, Conning tower: 6.00" / 152 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 4,132 ihp / 3,082 Kw = 14.50 kts
Range 4,250nm at 8.00 kts (Bunkerage = 649 tons)

Complement:
390 - 508

Cost:
£0.828 million / $3.311 million

Distribution of weights at normal displacement:
Armament: 599 tons, 8.3 %
Armour: 1,845 tons, 25.6 %
- Belts: 1,031 tons, 14.3 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 498 tons, 6.9 %
- Armour Deck: 267 tons, 3.7 %
- Conning Tower: 48 tons, 0.7 %
Machinery: 751 tons, 10.4 %
Hull, fittings & equipment: 3,066 tons, 42.6 %
Fuel, ammunition & stores: 941 tons, 13.1 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,899 lbs / 3,129 Kg = 10.4 x 11.0 " / 279 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 3.0 ft / 0.9 m
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.86
Seaboat quality (Average = 1.00): 1.57

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.583
Length to Beam Ratio: 6.12 : 1
'Natural speed' for length: 18.84 kts
Power going to wave formation at top speed: 37 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (20 %): 15.00 ft / 4.57 m
- Mid (50 %): 13.00 ft / 3.96 m
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 13.53 ft / 4.12 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 98.5 %
- Above water (accommodation/working, high = better): 91.2 %
Waterplane Area: 14,457 Square feet or 1,343 Square metres
Displacement factor (Displacement / loading): 88 %
Structure weight / hull surface area: 141 lbs/sq ft or 688 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 2.49
- Overall: 1.09
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather