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T-1, laid down 1902, scrapped 1927

T-2, laid down 1903, sunk 1916

T-3, laid down 1904, scrapped 1927

T-4, laid down 1905, sunk 1916

T-5, laid down 1906, sunk 1916

T-6, laid down 1906, scrapped 1925

T-7, laid down 1907, scrapped 1925

T-8, laid down 1907, sunk 1916

T-1, laid down 1902

Length, 51.8 m x Beam, 6.1 m x Depth, 2.4 m

350 tonnes normal displacement (313 tonnes standard)

Main battery: 1 x 8.8-cm

Secondary battery: 1 x 3.5-cm

QF battery: 2 x 1.5-cm

Weight of broadside: 10 kg

2 TT, 45.0 cm

Hull unarmored

Battery armor:

Main, 2.0 cm shields / secondary, 2.0 cm

QF, 2.0 cm shields

Maximum speed for 5004 indicated kw = 24.74 knots

Approximate cruising radius, 2000 nm / 10 knots

Typical complement: 40-53

Estimated cost, $172,000 (£43,000)

Remarks:

Caution: Hull structure is subject to strain in open-sea

conditions.

Caution: Magazines and engineering spaces are very cramped,

and lack adequate watertight subdivision.

Caution: Delicate, lightwight machinery.

Cramped ship; poor crew accommodation, limited working space.

Main deck secondary guns subject to being washed down

in a seaway.

Distribution of weights:

Percent

normal

displacement:

Armament ......................... 3 tonnes = 1 pct

Armor, total ..................... 2 tonnes = 0 pct

Armament 2 tonnes = 0 pct

Machinery ........................ 214 tonnes = 61 pct

Hull and fittings; equipment ..... 86 tonnes = 25 pct

Fuel, ammunition, stores ......... 46 tonnes = 13 pct

Miscellaneous weights ............ 0 tonnes = 0 pct

-----

350 tonnes = 100 pct

Estimated metacentric height, 0.2 m

Displacement summary:

Light ship: 304 tonnes

Standard displacement: 313 tonnes

Normal service: 350 tonnes

Full load: 378 tonnes

Loading submergence 187 tonnes/metre

+++++++++++++++++++++++++

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.38

Shellfire needed to sink: 36 kg = 3.9 x 8.8-cm shells

(Approximates weight of penetrating

shell hits needed to sink ship,

not counting critical hits)

Torpedoes needed to sink: 0.1

(Approximates number of 'typical'

torpedo hits needed to sink ship)

Relative steadiness as gun platform, 61 percent

(50 percent is 'average')

Relative rocking effect from firing to beam, 0.10

Relative quality as a seaboat: 1.01

+++++++++++++++++++++++++

Hull form characteristics:

Block coefficient: 0.45

Sharpness coefficient: 0.33

Hull speed coefficient 'M' = 7.37

'Natural speed' for length = 13.0 knots

Power going to wave formation

at top speed: 73 percent

Estimated hull characteristics and strength:

Relative underwater volume absorbed by

magazines and engineering spaces: 203 percent

Relative accommodation and working space: 68 percent

Displacement factor: 17 percent

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.52

(Structure weight per square

metre of hull surface: 102 kg)

Relative longitudinal hull strength: 2.31

(for 3.10 m average freeboard;

freeboard adjustment +0.74 m)

Relative composite hull strength: 0.61

+++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]

170.00 x 20.00 x 8.00; 10.17 -- Dimensions

0.45 -- Block coefficient

1902 -- Year laid down

24.74 / 2000 / 10.00; Reciprocating -- Speed / radius / cruise

0 tons -- Miscellaneous weights

++++++++++

1 x 3.46; 0 -- Main battery; turrets

Central positioning of guns

Gun-shields

:

1 x 1.38; 0 -- Secondary battery; turrets

Main deck battery

:

2 x 0.59 -- Tertiary (QF/AA) battery

Gun-shields

:

0 -- No fourth (light) battery

2 / 0 / 17.72 -- TT / submerged / size

++++++++++

0.00 -- No belt armor

0.00 / 0.00 -- Deck / CT

0.79 / 0.79 / 0.79 / 0.00 -- Battery armor

(Note: For portability, values are stored in Anglo-American units)

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

T-9, laid down 1910, scrapped 1926

T-10, laid down 1910, sunk 1916

T-11, laid down 1911, scrapped 1926

T-12, laid down 1911, scrapped 1928

T-13, laid down 1912, scrapped 1928

T-14, laid down 1912, sunk 1924

T-15, laid down 1912, scrapped 1928

T-16, laid down 1913, scrapped 1928

T-17, laid down 1913, to training ship 1928, museum ship 1944

T-18, laid down 1913, to training ship 1928, scrapped 1944

T-9, laid down 1910

Length, 51.8 m x Beam, 6.1 m x Depth, 2.4 m

350 tonnes normal displacement (300 tonnes standard)

Main battery: 2 x 8.8-cm

Secondary battery: 2 x 3.5-cm

QF battery: 2 x 1.5-cm

Weight of broadside: 20 kg

2 TT, 45.0 cm

Hull unarmored

Battery armor:

Main, 5.0 cm shields / secondary, 2.0 cm

QF, 2.0 cm shields

Maximum speed for 6005 shaft kw = 25.78 knots

Approximate cruising radius, 3000 nm / 10 knots

Typical complement: 40-53

Estimated cost, $159,000 (£40,000)

Remarks:

Caution: Hull structure is subject to strain in open-sea

conditions.

Magazines and engineering spaces are cramped, with poor

watertight subdivision.

Cramped ship; poor crew accommodation, limited working space.

Main deck secondary guns subject to being washed down

in a seaway.

Distribution of weights:

Percent

normal

displacement:

Armament ......................... 6 tonnes = 2 pct

Armor, total ..................... 5 tonnes = 1 pct

Armament 5 tonnes = 1 pct

Machinery ........................ 179 tonnes = 51 pct

Hull and fittings; equipment ..... 95 tonnes = 27 pct

Fuel, ammunition, stores ......... 60 tonnes = 17 pct

Miscellaneous weights ............ 5 tonnes = 1 pct

-----

350 tonnes = 100 pct

Estimated metacentric height, 0.2 m

Displacement summary:

Light ship: 289 tonnes

Standard displacement: 300 tonnes

Normal service: 350 tonnes

Full load: 388 tonnes

Loading submergence 187 tonnes/metre

+++++++++++++++++++++++++

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.21

Shellfire needed to sink: 45 kg = 4.8 x 8.8-cm shells

(Approximates weight of penetrating

shell hits needed to sink ship,

not counting critical hits)

Torpedoes needed to sink: 0.1

(Approximates number of 'typical'

torpedo hits needed to sink ship)

Relative steadiness as gun platform, 60 percent

(50 percent is 'average')

Relative rocking effect from firing to beam, 0.25

Relative quality as a seaboat: 1.01

+++++++++++++++++++++++++

Hull form characteristics:

Block coefficient: 0.45

Sharpness coefficient: 0.33

Hull speed coefficient 'M' = 7.37

'Natural speed' for length = 13.0 knots

Power going to wave formation

at top speed: 74 percent

Estimated hull characteristics and strength:

Relative underwater volume absorbed by

magazines and engineering spaces: 179 percent

Relative accommodation and working space: 74 percent

Displacement factor: 44 percent

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.50

(Structure weight per square

metre of hull surface: 108 kg)

Relative longitudinal hull strength: 2.71

(for 3.40 m average freeboard;

freeboard adjustment +1.04 m)

Relative composite hull strength: 0.59

+++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]

170.00 x 20.00 x 8.00; 11.15 -- Dimensions

0.45 -- Block coefficient

1910 -- Year laid down

25.78 / 3000 / 10.00; Turbine, coal fired -- Speed / radius / cruise

5 tons -- Miscellaneous weights

++++++++++

2 x 3.46; 0 -- Main battery; turrets

Central positioning of guns

Gun-shields

:

2 x 1.38; 0 -- Secondary battery; turrets

Main deck battery

:

2 x 0.59 -- Tertiary (QF/AA) battery

Gun-shields

:

0 -- No fourth (light) battery

2 / 0 / 17.72 -- TT / submerged / size

++++++++++

0.00 -- No belt armor

0.00 / 0.00 -- Deck / CT

1.97 / 0.79 / 0.79 / 0.00 -- Battery armor

(Note: For portability, values are stored in Anglo-American units)

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

T-19, laid down 1925, scrapped 1944

T-19, laid down 1925

Length, 86.0 m x Beam, 7.2 m x Depth, 2.7 m

691 tonnes normal displacement (630 tonnes standard)

Main battery: 2 x 10.5-cm

Secondary battery: 2 x 3.5-cm

AA battery: 2 x 1.5-cm

Weight of broadside: 33 kg

4 TT, 50.0 cm

Hull unarmored

Battery armor:

Main, 4.0 cm shields / secondary, 2.0 cm shields

AA, 2.0 cm shields

Maximum speed for 16005 shaft kw = 32.09 knots

Approximate cruising radius, 3600 nm / 12 knots

Typical complement: 67-88

Estimated cost, $1.042 million (£260,000)

Remarks:

Caution: Hull structure is subject to strain in open-sea

conditions.

Ship has slow, easy roll; a good, steady gun platform.

Good seaboat; rides out heavy weather easily.

Magazines and engineering spaces are cramped, with poor

watertight subdivision.

Distribution of weights:

Percent

normal

displacement:

Armament ......................... 9 tonnes = 1 pct

Armor, total ..................... 5 tonnes = 1 pct

Armament 5 tonnes = 1 pct

Machinery ........................ 361 tonnes = 52 pct

Hull and fittings; equipment ..... 225 tonnes = 33 pct

Fuel, ammunition, stores ......... 81 tonnes = 12 pct

Miscellaneous weights ............ 10 tonnes = 1 pct

-----

691 tonnes = 100 pct

Estimated metacentric height, 0.3 m

Displacement summary:

Light ship: 610 tonnes

Standard displacement: 630 tonnes

Normal service: 691 tonnes

Full load: 737 tonnes

Loading submergence 344 tonnes/metre

+++++++++++++++++++++++++

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.22

Shellfire needed to sink: 93 kg = 5.8 x 10.5-cm shells

(Approximates weight of penetrating

shell hits needed to sink ship,

not counting critical hits)

Torpedoes needed to sink: 0.2

(Approximates number of 'typical'

torpedo hits needed to sink ship)

Relative steadiness as gun platform, 71 percent

(50 percent is 'average')

Relative rocking effect from firing to beam, 0.27

Relative quality as a seaboat: 1.39

+++++++++++++++++++++++++

Hull form characteristics:

Block coefficient: 0.41

Sharpness coefficient: 0.28

Hull speed coefficient 'M' = 9.75

'Natural speed' for length = 16.8 knots

Power going to wave formation

at top speed: 68 percent

Estimated hull characteristics and strength:

Relative underwater volume absorbed by

magazines and engineering spaces: 180 percent

Relative accommodation and working space: 91 percent

Displacement factor: 47 percent

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.50

(Structure weight per square

metre of hull surface: 134 kg)

Relative longitudinal hull strength: 1.69

(for 4.20 m average freeboard;

freeboard adjustment +1.49 m)

Relative composite hull strength: 0.56

+++++++++++++++++++++++++

[Machine-readable parameters: Spring Style v. 1.2.1]

282.08 x 23.62 x 8.86; 13.78 -- Dimensions

0.41 -- Block coefficient

1925 -- Year laid down

32.09 / 3600 / 12.00; Oil-fired turbine or equivalent -- Speed / radius / cruise

10 tons -- Miscellaneous weights

++++++++++

2 x 4.13; 0 -- Main battery; turrets

Central positioning of guns

Gun-shields

:

2 x 1.38; 0 -- Secondary battery; turrets

Gun-shields

:

2 x 0.59 -- Tertiary (QF/AA) battery

Gun-shields

:

0 -- No fourth (light) battery

4 / 0 / 19.69 -- TT / submerged / size

++++++++++

0.00 -- No belt armor

0.00 / 0.00 -- Deck / CT

1.57 / 0.79 / 0.79 / 0.00 -- Battery armor

(Note: For portability, values are stored in Anglo-American units)

+++++++++++++++++++++++++++++++++++++++++++++++++++++++

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