Dagger class, Denmark DD, laid down 1937
K.D.M. Acicnaces
K.D.M. Baselard
K.D.M. Cinqueda
K.D.M. Dirk
K.D.M. Øredaggert
K.D.M. Facón
K.D.M. Gladius
K.D.M. Hachiwara
K.D.M. Ishakke
K.D.M. Jambiya
K.D.M. Khanjali
K.D.M. Løvblad
K.D.M. Misericorde
K.D.M. Navaja
K.D.M. Okapi
K.D.M. Pugio
K.D.M. Qama
K.D.M. Rondel
K.D.M. Stiletto
K.D.M. Tanto
K.D.M. Urumi
K.D.M. Xiphos
K.D.M. Yatagan
K.D.M. Zulfiqar
Displacement:
1,241 t light; 1,284 t standard; 1,351 t normal; 1,405 t full load
Dimensions: Length overall / water x beam x draught
357.70 ft / 340.00 ft x 32.00 ft x 10.25 ft (normal load)
109.03 m / 103.63 m x 9.75 m x 3.12 m
Armament:
4 - 4.72" / 120 mm guns (2x2 guns), 52.72lbs / 23.91kg shells, 1937 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread
6 - 1.46" / 37.0 mm guns (3x2 guns), 1.55lbs / 0.70kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, all amidships, 1 raised mount - superfiring
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0.51" / 13.0 mm guns in single mounts, 0.07lbs / 0.03kg shells, 1937 Model
Breech loading guns in deck mounts
on side, all forward, all raised mounts - superfiring
Weight of broadside 222 lbs / 101 kg
Shells per gun, main battery: 120
10 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm 0.79" / 20 mm -
- Conning tower: 0.79" / 20 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 36,672 shp / 27,357 Kw = 35.00 kts
Range 3,000nm at 12.00 kts
Bunker at max displacement = 121 tons
Complement:
110 - 144
Cost:
£0.887 million / $3.548 million
Distribution of weights at normal displacement:
Armament: 28 tons, 2.1 %
Armour: 18 tons, 1.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 1.2 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.2 %
Machinery: 684 tons, 50.6 %
Hull, fittings & equipment: 461 tons, 34.1 %
Fuel, ammunition & stores: 109 tons, 8.1 %
Miscellaneous weights: 50 tons, 3.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
398 lbs / 180 Kg = 7.5 x 4.7 " / 120 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 1.1 ft / 0.3 m
Roll period: 12.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.30
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.424
Length to Beam Ratio: 10.63 : 1
'Natural speed' for length: 21.15 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (20 %): 16.50 ft / 5.03 m
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (20 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.24 ft / 4.64 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 182.9 %
- Above water (accommodation/working, high = better): 65.6 %
Waterplane Area: 7,062 Square feet or 656 Square metres
Displacement factor (Displacement / loading): 58 %
Structure weight / hull surface area: 32 lbs/sq ft or 156 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.56
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform