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Sohunden Class Torpedo Boat laid down 1917

*All scrapped 1939*

Vessels-

K.D.M. Sohunden

K.D.M. Havhesten

K.D.M. Makrelen

K.D.M. Narvhalen

K.D.M. Nordkaperen

K.D.M. Soloven

*K.D.M. Springeren - Sunk due to enemy action*

K.D.M. Storen

K.D.M. Havornen

K.D.M. Sobjornen

Displacement:

1,254 t light; 1,290 t standard; 1,489 t normal; 1,643 t full load

Loading submergence 140 tons/feet

Dimensions:

270.00 ft x 27.00 ft x 13.00 ft (normal load)

82.30 m x 8.23 m x 3.96 m

Armament:

4 - 3.00" / 76 mm guns

4 - 2.00" / 51 mm AA guns

4 - 0.50" / 13 mm guns

Weight of broadside 70 lbs / 32 kg

8 - 18.0" / 457.2 mm above water torpedoes

Armour:

Main gun shields 1.00" / 25 mm, AA gun shields 0.50" / 13 mm, Light gun shields 0.25" / 6 mm

Conning tower 1.00" / 25 mm

Machinery:

Oil fired boilers, steam turbines,

Geared drive, 2 shafts, 40,441 shp / 30,169 Kw = 32.00 kts

Range 6,500nm at 12.00 kts

Complement:

119 - 155

Cost:

£0.320 million / $1.281 million

Distribution of weights at normal displacement:

Armament: 9 tons, 0.6 %

Armour: 8 tons, 0.5 %

Belts: 0 tons, 0.0 %, Armament: 5 tons, 0.3 %, Armour Deck: 0 tons, 0.0 %

Conning Tower: 3 tons, 0.2 %, Torpedo bulkhead: 0 tons, 0.0 %

Machinery: 892 tons, 59.9 %

Hull, fittings & equipment: 320 tons, 21.5 %

Fuel, ammunition & stores: 235 tons, 15.8 %

Miscellaneous weights: 25 tons, 1.7 %

Metacentric height 0.9

Remarks:

Caution: Hull subject to strain in open-sea

Hull space for machinery, storage & compartmentation is cramped

Room for accommodation & workspaces is cramped

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

Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.17

Shellfire needed to sink: 291 lbs / 132 Kg = 21.6 x 3.0 " / 76 mm shells

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

Torpedoes needed to sink: 0.2

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

Relative steadiness as gun platform: 78 %

(Average = 50 %)

Relative rocking effect from firing to beam: 0.19

Relative quality as seaboat: 1.21

Hull form characteristics:

Block coefficient: 0.550

Sharpness coefficient: 0.35

Hull speed coefficient 'M': 7.23

'Natural speed' for length: 16.43 kts

Power going to wave formation at top speed: 76 %

Trim: 64

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

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 199.6 %

Relative accommodation and working space: 62.5 %

(Average = 100%)

Displacement factor: 49 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.46

(Structure weight / hull surface area: 29 lbs / square foot or 142 Kg / square metre)

Relative longitudinal hull strength: 2.32

(for 18.00 ft / 5.49 m average freeboard, freeboard adjustment 7.65 ft)

Relative composite hull strength: 0.54

Torpedoes are mounted in 2 X 4 tube turrets placed tandem amidships

Vessels-

K.D.M. Sohunden

K.D.M. Havhesten

K.D.M. Makrelen

K.D.M. Narvhalen

K.D.M. Nordkaperen

K.D.M. Soloven

K.D.M. Storen

K.D.M. Havornen

K.D.M. Sobjornen

Displacement:

1,254 t light; 1,290 t standard; 1,489 t normal; 1,643 t full load

Loading submergence 140 tons/feet

Dimensions:

270.00 ft x 27.00 ft x 13.00 ft (normal load)

82.30 m x 8.23 m x 3.96 m

Armament:

4 - 3.00" / 76 mm guns

4 - 2.00" / 51 mm AA guns

4 - 0.50" / 13 mm guns

Weight of broadside 70 lbs / 32 kg

8 - 18.0" / 457.2 mm above water torpedoes

Armour:

Main gun shields 1.00" / 25 mm, AA gun shields 0.50" / 13 mm, Light gun shields 0.25" / 6 mm

Conning tower 1.00" / 25 mm

Machinery:

Oil fired boilers, steam turbines,

Geared drive, 2 shafts, 40,441 shp / 30,169 Kw = 32.00 kts

Range 6,500nm at 12.00 kts

Complement:

119 - 155

Cost:

£0.320 million / $1.281 million

Distribution of weights at normal displacement:

Armament: 9 tons, 0.6 %

Armour: 8 tons, 0.5 %

Belts: 0 tons, 0.0 %, Armament: 5 tons, 0.3 %, Armour Deck: 0 tons, 0.0 %

Conning Tower: 3 tons, 0.2 %, Torpedo bulkhead: 0 tons, 0.0 %

Machinery: 892 tons, 59.9 %

Hull, fittings & equipment: 320 tons, 21.5 %

Fuel, ammunition & stores: 235 tons, 15.8 %

Miscellaneous weights: 25 tons, 1.7 %

Metacentric height 0.9

Remarks:

Caution: Hull subject to strain in open-sea

Hull space for machinery, storage & compartmentation is cramped

Room for accommodation & workspaces is cramped

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

Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.17

Shellfire needed to sink: 291 lbs / 132 Kg = 21.6 x 3.0 " / 76 mm shells

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

Torpedoes needed to sink: 0.2

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

Relative steadiness as gun platform: 78 %

(Average = 50 %)

Relative rocking effect from firing to beam: 0.19

Relative quality as seaboat: 1.21

Hull form characteristics:

Block coefficient: 0.550

Sharpness coefficient: 0.35

Hull speed coefficient 'M': 7.23

'Natural speed' for length: 16.43 kts

Power going to wave formation at top speed: 76 %

Trim: 64

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

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 199.6 %

Relative accommodation and working space: 62.5 %

(Average = 100%)

Displacement factor: 49 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.46

(Structure weight / hull surface area: 29 lbs / square foot or 142 Kg / square metre)

Relative longitudinal hull strength: 2.32

(for 18.00 ft / 5.49 m average freeboard, freeboard adjustment 7.65 ft)

Relative composite hull strength: 0.54

Torpedoes are mounted in 2 X 4 tube turrets placed tandem amidships

This post has been edited 1 times, last edit by "Commodore Green" (Sep 19th 2010, 11:43pm)

Delfinen Class Torpedo Boat laid down 1913

*All scrapped 1939*

Vessels-

K.D.M. Delfinen

K.D.M. Hvolrossen

K.D.M. Svaerdfisken

K.D.M. Sorldderen

K.D.M. Soulven

K.D.M. Flyvefisken

Displacement:

769 t light; 791 t standard; 899 t normal; 982 t full load

Loading submergence 85 tons/feet

Dimensions:

180.00 ft x 25.00 ft x 13.00 ft (normal load)

54.86 m x 7.62 m x 3.96 m

Armament:

3 - 3.00" / 76 mm QF guns2 - 0.50" / 13 mm guns

Weight of broadside 41 lbs / 18 kg

4 - 18.0" / 457.2 mm above water torpedoes

Armour:

QF gun shields 0.50" / 13 mm

Conning tower 0.50" / 13 mm

Machinery:

Oil fired boilers, steam turbines,

Direct drive, 2 shafts, 26,869 shp / 20,045 Kw = 29.00 kts

Range 2,500nm at 14.00 kts

Complement:

82 - 106

Cost:

£0.112 million / $0.448 million

Distribution of weights at normal displacement:

Armament: 5 tons, 0.6 %

Armour: 4 tons, 0.4 %

Belts: 0 tons, 0.0 %, Armament: 3 tons, 0.3 %, Armour Deck: 0 tons, 0.0 %

Conning Tower: 1 tons, 0.1 %, Torpedo bulkhead: 0 tons, 0.0 %

Machinery: 510 tons, 56.7 %

Hull, fittings & equipment: 225 tons, 25.1 %

Fuel, ammunition & stores: 130 tons, 14.4 %

Miscellaneous weights: 25 tons, 2.8 %

Metacentric height 0.6

Remarks:

Caution: Hull subject to strain in open-sea

Hull space for machinery, storage & compartmentation is cramped

Room for accommodation & workspaces is cramped

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

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.01

Shellfire needed to sink: 220 lbs / 100 Kg = 2.0 x 6 " / 152 mm shells

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

Torpedoes needed to sink: 0.2

(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: 0.18

Relative quality as seaboat: 1.00

Hull form characteristics:

Block coefficient: 0.538

Sharpness coefficient: 0.38

Hull speed coefficient 'M': 5.70

'Natural speed' for length: 13.42 kts

Power going to wave formation at top speed: 82 %

Trim: 70

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

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 190.4 %

Relative accommodation and working space: 70.6 %

(Average = 100%)

Displacement factor: 41 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.50

(Structure weight / hull surface area: 31 lbs / square foot or 153 Kg / square metre)

Relative longitudinal hull strength: 6.35

(for 18.60 ft / 5.67 m average freeboard, freeboard adjustment 9.25 ft)

Relative composite hull strength: 0.64

Vessels-

K.D.M. Delfinen

K.D.M. Hvolrossen

K.D.M. Svaerdfisken

K.D.M. Sorldderen

K.D.M. Soulven

K.D.M. Flyvefisken

Displacement:

769 t light; 791 t standard; 899 t normal; 982 t full load

Loading submergence 85 tons/feet

Dimensions:

180.00 ft x 25.00 ft x 13.00 ft (normal load)

54.86 m x 7.62 m x 3.96 m

Armament:

3 - 3.00" / 76 mm QF guns2 - 0.50" / 13 mm guns

Weight of broadside 41 lbs / 18 kg

4 - 18.0" / 457.2 mm above water torpedoes

Armour:

QF gun shields 0.50" / 13 mm

Conning tower 0.50" / 13 mm

Machinery:

Oil fired boilers, steam turbines,

Direct drive, 2 shafts, 26,869 shp / 20,045 Kw = 29.00 kts

Range 2,500nm at 14.00 kts

Complement:

82 - 106

Cost:

£0.112 million / $0.448 million

Distribution of weights at normal displacement:

Armament: 5 tons, 0.6 %

Armour: 4 tons, 0.4 %

Belts: 0 tons, 0.0 %, Armament: 3 tons, 0.3 %, Armour Deck: 0 tons, 0.0 %

Conning Tower: 1 tons, 0.1 %, Torpedo bulkhead: 0 tons, 0.0 %

Machinery: 510 tons, 56.7 %

Hull, fittings & equipment: 225 tons, 25.1 %

Fuel, ammunition & stores: 130 tons, 14.4 %

Miscellaneous weights: 25 tons, 2.8 %

Metacentric height 0.6

Remarks:

Caution: Hull subject to strain in open-sea

Hull space for machinery, storage & compartmentation is cramped

Room for accommodation & workspaces is cramped

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

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.01

Shellfire needed to sink: 220 lbs / 100 Kg = 2.0 x 6 " / 152 mm shells

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

Torpedoes needed to sink: 0.2

(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: 0.18

Relative quality as seaboat: 1.00

Hull form characteristics:

Block coefficient: 0.538

Sharpness coefficient: 0.38

Hull speed coefficient 'M': 5.70

'Natural speed' for length: 13.42 kts

Power going to wave formation at top speed: 82 %

Trim: 70

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

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 190.4 %

Relative accommodation and working space: 70.6 %

(Average = 100%)

Displacement factor: 41 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.50

(Structure weight / hull surface area: 31 lbs / square foot or 153 Kg / square metre)

Relative longitudinal hull strength: 6.35

(for 18.60 ft / 5.67 m average freeboard, freeboard adjustment 9.25 ft)

Relative composite hull strength: 0.64

This post has been edited 1 times, last edit by "Commodore Green" (Sep 19th 2010, 9:57pm)

Tumieren Class Torpedo Boat laid down 1911

*All scrapped 1939*

Vessels-

K.D.M. Tumieren

K.D.M. Vindhunden

K.D.M. Spoekhuggeren

K.D.M. Ormen

Displacement:

669 t light; 687 t standard; 800 t normal; 888 t full load

Loading submergence 93 tons/feet

Dimensions:

185.00 ft x 24.00 ft x 10.00 ft (normal load)

56.39 m x 7.32 m x 3.05 m

Armament:

2 - 3.00" / 76 mm QF guns2 - 0.50" / 13 mm guns

Weight of broadside 27 lbs / 12 kg

5 - 18.0" / 457.2 mm above water torpedoes

Armour:

QF gun shields 0.50" / 13 mm

Conning tower 0.50" / 13 mm

Machinery:

Oil fired boilers, steam turbines,

Direct drive, 2 shafts, 18,361 shp / 13,698 Kw = 27.00 kts

Range 2,500nm at 14.00 kts

Complement:

75 - 97

Cost:

£0.086 million / $0.345 million

Distribution of weights at normal displacement:

Armament: 3 tons, 0.4 %

Armour: 3 tons, 0.3 %

Belts: 0 tons, 0.0 %, Armament: 2 tons, 0.2 %, Armour Deck: 0 tons, 0.0 %

Conning Tower: 1 tons, 0.1 %, Torpedo bulkhead: 0 tons, 0.0 %

Machinery: 429 tons, 53.6 %

Hull, fittings & equipment: 209 tons, 26.1 %

Fuel, ammunition & stores: 132 tons, 16.5 %

Miscellaneous weights: 25 tons, 3.1 %

Metacentric height 0.6

Remarks:

Caution: Hull subject to strain in open-sea

Hull space for machinery, storage & compartmentation is cramped

Room for accommodation & workspaces is cramped

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

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.05

Shellfire needed to sink: 262 lbs / 119 Kg = 2.4 x 6 " / 152 mm shells

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

Torpedoes needed to sink: 0.2

(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: 0.13

Relative quality as seaboat: 1.06

Hull form characteristics:

Block coefficient: 0.631

Sharpness coefficient: 0.41

Hull speed coefficient 'M': 6.09

'Natural speed' for length: 13.60 kts

Power going to wave formation at top speed: 80 %

Trim: 66

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

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 179.6 %

Relative accommodation and working space: 60.5 %

(Average = 100%)

Displacement factor: 52 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.56

(Structure weight / hull surface area: 30 lbs / square foot or 147 Kg / square metre)

Relative longitudinal hull strength: 4.61

(for 17.00 ft / 5.18 m average freeboard, freeboard adjustment 7.86 ft)

Relative composite hull strength: 0.69

Vessels-

K.D.M. Tumieren

K.D.M. Vindhunden

K.D.M. Spoekhuggeren

K.D.M. Ormen

Displacement:

669 t light; 687 t standard; 800 t normal; 888 t full load

Loading submergence 93 tons/feet

Dimensions:

185.00 ft x 24.00 ft x 10.00 ft (normal load)

56.39 m x 7.32 m x 3.05 m

Armament:

2 - 3.00" / 76 mm QF guns2 - 0.50" / 13 mm guns

Weight of broadside 27 lbs / 12 kg

5 - 18.0" / 457.2 mm above water torpedoes

Armour:

QF gun shields 0.50" / 13 mm

Conning tower 0.50" / 13 mm

Machinery:

Oil fired boilers, steam turbines,

Direct drive, 2 shafts, 18,361 shp / 13,698 Kw = 27.00 kts

Range 2,500nm at 14.00 kts

Complement:

75 - 97

Cost:

£0.086 million / $0.345 million

Distribution of weights at normal displacement:

Armament: 3 tons, 0.4 %

Armour: 3 tons, 0.3 %

Belts: 0 tons, 0.0 %, Armament: 2 tons, 0.2 %, Armour Deck: 0 tons, 0.0 %

Conning Tower: 1 tons, 0.1 %, Torpedo bulkhead: 0 tons, 0.0 %

Machinery: 429 tons, 53.6 %

Hull, fittings & equipment: 209 tons, 26.1 %

Fuel, ammunition & stores: 132 tons, 16.5 %

Miscellaneous weights: 25 tons, 3.1 %

Metacentric height 0.6

Remarks:

Caution: Hull subject to strain in open-sea

Hull space for machinery, storage & compartmentation is cramped

Room for accommodation & workspaces is cramped

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

Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.05

Shellfire needed to sink: 262 lbs / 119 Kg = 2.4 x 6 " / 152 mm shells

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

Torpedoes needed to sink: 0.2

(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: 0.13

Relative quality as seaboat: 1.06

Hull form characteristics:

Block coefficient: 0.631

Sharpness coefficient: 0.41

Hull speed coefficient 'M': 6.09

'Natural speed' for length: 13.60 kts

Power going to wave formation at top speed: 80 %

Trim: 66

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

Estimated hull characteristics & strength:

Underwater volume absorbed by magazines and engineering spaces: 179.6 %

Relative accommodation and working space: 60.5 %

(Average = 100%)

Displacement factor: 52 %

(Displacement relative to loading factors)

Relative cross-sectional hull strength: 0.56

(Structure weight / hull surface area: 30 lbs / square foot or 147 Kg / square metre)

Relative longitudinal hull strength: 4.61

(for 17.00 ft / 5.18 m average freeboard, freeboard adjustment 7.86 ft)

Relative composite hull strength: 0.69

This post has been edited 1 times, last edit by "Commodore Green" (Sep 19th 2010, 9:52pm)

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