WesWorld

Felix Class Destroyer laid down 1923

Vessels-
K.D.M. Loven
K.D.M. Tiger
K.D.M. Gepard
K.D.M. Puma


Displacement:
1,922 t light; 1,993 t standard; 2,272 t normal; 2,487 t full load
Loading submergence 237 tons/feet

Dimensions:
377.00 ft x 37.50 ft x 12.50 ft (normal load)
114.91 m x 11.43 m x 3.81 m

Armament:
4 - 5.12" / 130 mm guns
6 - 2.24" / 57 mm AA guns
16 - 0.79" / 20 mm guns
Weight of broadside 306 lbs / 139 kg
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
Main gun shields 0.50" / 13 mm, AA gun shields 0.50" / 13 mm, Light gun shields 0.50" / 13 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 46,960 shp / 35,032 Kw = 33.15 kts
Range 8,000nm at 12.00 kts

Complement:
164 - 213

Cost:
£0.792 million / $3.166 million

Distribution of weights at normal displacement:
Armament: 38 tons, 1.7 %
Armour: 7 tons, 0.3 %
Belts: 0 tons, 0.0 %, Armament: 7 tons, 0.3 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 1,234 tons, 54.3 %
Hull, fittings & equipment: 563 tons, 24.8 %
Fuel, ammunition & stores: 350 tons, 15.4 %
Miscellaneous weights: 80 tons, 3.5 %

Metacentric height 1.8

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: 1.28
Shellfire needed to sink: 498 lbs / 226 Kg = 7.4 x 5.1 " / 130 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.3
(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: 0.20
Relative quality as seaboat: 1.00

Hull form characteristics:
Block coefficient: 0.450
Sharpness coefficient: 0.31
Hull speed coefficient 'M': 8.77
'Natural speed' for length: 19.42 kts
Power going to wave formation at top speed: 67 %
Trim: 70
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 191.8 %
Relative accommodation and working space: 73.6 %
(Average = 100%)
Displacement factor: 64 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.50
(Structure weight / hull surface area: 37 lbs / square foot or 179 Kg / square metre)
Relative longitudinal hull strength: 1.09
(for 15.60 ft / 4.75 m average freeboard, freeboard adjustment 4.34 ft)
Relative composite hull strength: 0.54

Anti Submarine weaponry = 60 depth charges.

D 13 Class Destroyer laid down 1918


Vessels-
K.D.M. D13 - Permanently assigned to Naval Engineering School at Aarhus
K.D.M. D14 - Sunk due to enemy action
K.D.M. D15 - transferred to Yugoslav Navy
K.D.M. D16 - transferred to Yugoslav Navy

Displacement:
1,929 t light; 2,000 t standard; 2,196 t normal; 2,345 t full load
Loading submergence 207 tons/feet

Dimensions:
320.00 ft x 40.00 ft x 14.00 ft (normal load)
97.54 m x 12.19 m x 4.27 m

Armament:
6 - 4.75" / 121 mm guns
4 - 0.51" / 13 mm guns
Weight of broadside 322 lbs / 146 kg
6 - 18.0" / 457.2 mm above water torpedoes

Armour:
Main gun shields 0.50" / 13 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 51,200 shp / 38,195 Kw = 33.00 kts
Range 8,000nm at 10.00 kts

Complement:
160 - 208

Cost:
£0.569 million / $2.274 million

Distribution of weights at normal displacement:
Armament: 40 tons, 1.8 %
Armour: 5 tons, 0.2 %
Belts: 0 tons, 0.0 %, Armament: 5 tons, 0.2 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 1,307 tons, 59.5 %
Hull, fittings & equipment: 527 tons, 24.0 %
Fuel, ammunition & stores: 267 tons, 12.2 %
Miscellaneous weights: 50 tons, 2.3 %

Metacentric height 2.1

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is extremely poor
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: 1.32
Shellfire needed to sink: 407 lbs / 185 Kg = 7.6 x 4.8 " / 121 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.3
(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: 0.20
Relative quality as seaboat: 1.00

Hull form characteristics:
Block coefficient: 0.429
Sharpness coefficient: 0.33
Hull speed coefficient 'M': 7.52
'Natural speed' for length: 17.89 kts
Power going to wave formation at top speed: 72 %
Trim: 70
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 208.2 %
Relative accommodation and working space: 120.3 %
(Average = 100%)
Displacement factor: 54 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.44
(Structure weight / hull surface area: 37 lbs / square foot or 180 Kg / square metre)
Relative longitudinal hull strength: 1.91
(for 18.25 ft / 5.56 m average freeboard, freeboard adjustment 7.07 ft)
Relative composite hull strength: 0.51

Archer Class, Denmark DD (AA) laid down 1932

K.D.M. Ull
K.D.M. Artemis
K.D.M Robin Hood
K.D.M. William Tell
K.D.M Diana
K.D.M. Legolas
K.D.M. Odysseus
K.D.M. Teucer
K.D.M Toki
K.D.M. Hemingr

Displacement:
1,956 t light; 2,041 t standard; 2,348 t normal; 2,594 t full load

Dimensions: Length overall / water x beam x draught
405.97 ft / 390.00 ft x 39.00 ft x 14.00 ft (normal load)
123.74 m / 118.87 m x 11.89 m x 4.27 m

Armament:
8 - 4.72" / 120 mm guns (4x2 guns), 52.72lbs / 23.91kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
10 - 1.46" / 37.0 mm guns (5x2 guns), 1.55lbs / 0.70kg shells, 1928 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 4 raised mounts - superfiring
12 - 0.79" / 20.0 mm guns (6x2 guns), 0.24lbs / 0.11kg shells, 1925 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 440 lbs / 200 kg
Shells per gun, main battery: 150
8 - 21.0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.59" / 15 mm -
2nd: 0.59" / 15 mm 0.59" / 15 mm -
3rd: 0.59" / 15 mm 0.59" / 15 mm -

- Conning tower: 0.79" / 20 mm

Machinery:
Oil fired boilers, steam turbines,
Electric motors, 2 shafts, 41,928 shp / 31,279 Kw = 34.00 kts
Range 10,000nm at 12.00 kts
Bunker at max displacement = 553 tons

Complement:
168 - 219

Cost:
£1.210 million / $4.840 million

Distribution of weights at normal displacement:
Armament: 55 tons, 2.3 %
Armour: 29 tons, 1.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 26 tons, 1.1 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.1 %
Machinery: 1,082 tons, 46.1 %
Hull, fittings & equipment: 710 tons, 30.2 %
Fuel, ammunition & stores: 392 tons, 16.7 %
Miscellaneous weights: 80 tons, 3.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
691 lbs / 313 Kg = 13.1 x 4.7 " / 120 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 1.6 ft / 0.5 m
Roll period: 12.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.59
Seaboat quality (Average = 1.00): 1.02

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.386
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 22.89 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 5.00 ft / 1.52 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19.00 ft / 5.79 m
- Forecastle (20 %): 17.00 ft / 5.18 m
- Mid (50 %): 15.50 ft / 4.72 m
- Quarterdeck (15 %): 14.50 ft / 4.42 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.82 ft / 4.82 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.5 %
- Above water (accommodation/working, high = better): 108.7 %
Waterplane Area: 9,646 Square feet or 896 Square metres
Displacement factor (Displacement / loading): 78 %
Structure weight / hull surface area: 40 lbs/sq ft or 195 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.64
- Overall: 0.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform