These are the three existing still serving classes of coast-defense armourclads in the Royal Nordmark Navy. The Oden-class is four ships strong, the Åland-class likewise, and the Lofoten-class 2 ships strong. Most of the Oden-class is due for disposal under the treaty.
Oden Coast Defence Ship 1902, laid down 1902
Length, 323 ft x Beam, 53.0 ft x Depth, 18.6 ft
5459 tons normal displacement (5066 tons standard)
Main battery: 2 x 8.1-inch (2 x 1)
Secondary battery: 8 x 5.9-inch (4 x 2)
QF battery: 4 x 2.3-inch
Weight of broadside: 1376 lbs
2 TT, 18.0" (submerged)
Main belt, 6.0 inches; bow and stern, 3.0 inches
Upper belt, 4.0 inches
Armor deck, average 1.5 inches
C.T., 7.0 inches
Battery armor:
Main, 6.0" / secondary, 2.0"
QF, 0.5" shields
Maximum speed for 9118 ihp = 18.50 knots
Approximate cruising radius, 4200 nm / 10 kts
Typical complement: 318-413
Estimated cost, $2.029 million (£507,000)
Remarks:
Relative extent of belt armor, 111 percent of 'typical' coverage.
Ship has slow, easy roll; a good, steady gun platform.
Good seaboat; rides out heavy weather easily.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 172 tons = 3 pct
Armor, total ..................... 1646 tons = 30 pct
Belt 978 tons = 18 pct
Deck 337 tons = 6 pct
C.T. 47 tons = 1 pct
Armament 284 tons = 5 pct
Machinery ........................ 1381 tons = 25 pct
Hull and fittings; equipment ..... 1642 tons = 30 pct
Fuel, ammunition, stores ......... 617 tons = 11 pct
Miscellaneous weights ............ 0 tons = 0 pct
-----
5459 tons = 100 pct
Estimated metacentric height, 2.2 ft
Displacement summary:
Light ship: 4842 tons
Standard displacement: 5066 tons
Normal service: 5459 tons
Full load: 5751 tons
Loading submergence 347 tons/foot
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Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.07
Shellfire needed to sink: 4280 lbs = 16.1 x 8.1-inch shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 0.9
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 83 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.54
Relative quality as a seaboat: 1.28
+++++++++++++++++++++++++
Hull form characteristics:
Block coefficient: 0.60
Sharpness coefficient: 0.43
Hull speed coefficient 'M' = 5.61
'Natural speed' for length = 18.0 knots
Power going to wave formation
at top speed: 53 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 111 percent
Relative accommodation and working space: 98 percent
Displacement factor: 94 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.93
(Structure weight per square
foot of hull surface: 89 lbs)
Relative longitudinal hull strength: 2.02
(for 13.5 ft average freeboard;
freeboard adjustment +0.1 ft)
Relative composite hull strength: 1.01
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[Machine-readable parameters: Spring Style v. 1.2.1]
323.00 x 53.00 x 18.60; 13.50 -- Dimensions
0.60 -- Block coefficient
1902 -- Year laid down
18.50 / 4200 / 10.00; Reciprocating -- Speed / radius / cruise
0 tons -- Miscellaneous weights
++++++++++
2 x 8.10; 2; 0 -- Main battery; turrets; superfiring
:
8 x 5.90; 4 -- Secondary battery; turrets
:
4 x 2.25 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
2 / 2 / 18.00 -- TT / submerged / size
++++++++++
6.00 / 3.00 / 4.00 / 0.00; 111 -- Belt armor; relative extent
1.50 / 7.00 -- Deck / CT
6.00 / 2.00 / 0.50 / 0.00 -- Battery armor
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Åland Coast Defence Ship 1908, laid down 1908
Length, 354 ft x Beam, 55.0 ft x Depth, 19.0 ft
6342 tons normal displacement (5586 tons standard)
Main battery: 4 x 9.4-inch (2 x 2)
Secondary battery: 6 x 5.9-inch (6 x 1)
QF battery: 6 x 2.3-inch
Weight of broadside: 2311 lbs
2 TT, 18.0" (submerged)
Main belt, 8.0 inches; bow and stern, 4.0 inches
Upper belt, 4.0 inches
Armor deck, average 1.5 inches
C.T., 8.0 inches
Battery armor:
Main, 8.0" / secondary, 2.0"
QF, 0.5" shields
Maximum speed for 13096 shp = 20.00 knots
Approximate cruising radius, 7500 nm / 10 kts
Typical complement: 355-462
Estimated cost, $2.116 million (£529,000)
Remarks:
Relative extent of belt armor, 77 percent of 'typical' coverage.
Good seaboat; rides out heavy weather easily.
Magazines and engineering spaces are roomy, with superior
watertight subdivision.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 289 tons = 5 pct
Armor, total ..................... 1946 tons = 31 pct
Belt 915 tons = 14 pct
Deck 384 tons = 6 pct
C.T. 59 tons = 1 pct
Armament 588 tons = 9 pct
Machinery ........................ 728 tons = 11 pct
Hull and fittings; equipment ..... 2305 tons = 36 pct
Fuel, ammunition, stores ......... 1075 tons = 17 pct
Miscellaneous weights ............ 0 tons = 0 pct
-----
6342 tons = 100 pct
Estimated metacentric height, 2.3 ft
Displacement summary:
Light ship: 5267 tons
Standard displacement: 5586 tons
Normal service: 6342 tons
Full load: 6920 tons
Loading submergence 395 tons/foot
+++++++++++++++++++++++++
Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.05
Shellfire needed to sink: 8610 lbs = 20.7 x 9.4-inch shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 1.7
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 65 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.81
Relative quality as a seaboat: 1.30
+++++++++++++++++++++++++
Hull form characteristics:
Block coefficient: 0.60
Sharpness coefficient: 0.42
Hull speed coefficient 'M' = 5.85
'Natural speed' for length = 18.8 knots
Power going to wave formation
at top speed: 54 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 76 percent
Relative accommodation and working space: 119 percent
Displacement factor: 111 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.92
(Structure weight per square
foot of hull surface: 107 lbs)
Relative longitudinal hull strength: 2.38
(for 16.0 ft average freeboard;
freeboard adjustment +2.2 ft)
Relative composite hull strength: 1.01
+++++++++++++++++++++++++
[Machine-readable parameters: Spring Style v. 1.2.1]
354.00 x 55.00 x 19.00; 16.00 -- Dimensions
0.60 -- Block coefficient
1908 -- Year laid down
20.00 / 7500 / 10.00; Turbine, coal fired -- Speed / radius / cruise
0 tons -- Miscellaneous weights
++++++++++
4 x 9.40; 2; 0 -- Main battery; turrets; superfiring
:
6 x 5.90; 6 -- Secondary battery; turrets
:
6 x 2.25 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
2 / 2 / 18.00 -- TT / submerged / size
++++++++++
8.00 / 4.00 / 4.00 / 0.00; 77 -- Belt armor; relative extent
1.50 / 8.00 -- Deck / CT
8.00 / 2.00 / 0.50 / 0.00 -- Battery armor
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Lofoten Coast Defence Ship 1913, laid down 1913
Length, 408 ft x Beam, 63.0 ft x Depth, 23.0 ft
8446 tons normal displacement (7862 tons standard)
Main battery: 4 x 11.1-inch (2 x 2)
Secondary battery: 8 x 5.9-inch (7 turrets)
QF battery: 4 x 3.0-inch
Light battery: 4 x 2.3-inch
Weight of broadside: 3634 lbs
2 TT, 18.0" (submerged)
Main belt, 8.0 inches; bow and stern, 3.0 inches
Upper belt, 3.0 inches
Armor deck, average 2.0 inches
C.T., 7.0 inches
Battery armor:
Main, 8.0" / secondary, 5.0"
QF, 0.5" shields / light guns, 0.5" shields
Maximum speed for 22670 shp = 22.50 knots
Approximate cruising radius, 6200 nm / 10 kts
Typical complement: 440-573
Estimated cost, $3.390 million (£848,000)
Remarks:
Relative extent of belt armor, 82 percent of 'typical' coverage.
Magazines and engineering spaces are roomy, with superior
watertight subdivision.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 454 tons = 5 pct
Armor, total ..................... 2657 tons = 31 pct
Belt 1064 tons = 13 pct
Deck 598 tons = 7 pct
C.T. 63 tons = 1 pct
Armament 933 tons = 11 pct
Machinery ........................ 977 tons = 12 pct
Hull and fittings; equipment ..... 3302 tons = 39 pct
Fuel, ammunition, stores ......... 1056 tons = 13 pct
Miscellaneous weights ............ 0 tons = 0 pct
-----
8446 tons = 100 pct
Estimated metacentric height, 2.6 ft
Displacement summary:
Light ship: 7390 tons
Standard displacement: 7862 tons
Normal service: 8446 tons
Full load: 8879 tons
Loading submergence 462 tons/foot
+++++++++++++++++++++++++
Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.03
Shellfire needed to sink: 9502 lbs = 13.9 x 11.1-inch shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 1.7
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 54 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.68
Relative quality as a seaboat: 1.09
+++++++++++++++++++++++++
Hull form characteristics:
Block coefficient: 0.50
Sharpness coefficient: 0.38
Hull speed coefficient 'M' = 6.13
'Natural speed' for length = 20.2 knots
Power going to wave formation
at top speed: 54 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 82 percent
Relative accommodation and working space: 105 percent
Displacement factor: 102 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.93
(Structure weight per square
foot of hull surface: 129 lbs)
Relative longitudinal hull strength: 2.20
(for 15.0 ft average freeboard;
freeboard adjustment +0.4 ft)
Relative composite hull strength: 1.02
+++++++++++++++++++++++++
[Machine-readable parameters: Spring Style v. 1.2.1]
408.00 x 63.00 x 23.00; 15.00 -- Dimensions
0.50 -- Block coefficient
1913 -- Year laid down
22.50 / 6200 / 10.00; Turbine, coal fired -- Speed / radius / cruise
0 tons -- Miscellaneous weights
++++++++++
4 x 11.10; 2; 0 -- Main battery; turrets; superfiring
:
8 x 5.90; 7 -- Secondary battery; turrets
:
4 x 3.00 -- Tertiary (QF/AA) battery
Gun-shields
:
4 x 2.25 -- Fourth (light) battery
2 / 2 / 18.00 -- TT / submerged / size
++++++++++
8.00 / 3.00 / 3.00 / 0.00; 82 -- Belt armor; relative extent
2.00 / 7.00 -- Deck / CT
8.00 / 5.00 / 0.50 / 0.50 -- Battery armor
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
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