Dd 43-, Enter country Enter ship type laid down 1920
Displacement:
1.499 t light; 1.571 t standard; 2.006 t normal; 2.353 t full load
Dimensions: Length overall / water x beam x draught
390,03 ft / 387,14 ft x 42,16 ft x 11,32 ft (normal load)
118,88 m / 118,00 m x 12,85 m x 3,45 m
Armament:
8 - 4,92" / 125 mm guns (4x2 guns), 59,59lbs / 27,03kg shells, 1920 Model
Quick firing guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1920 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 guns in hull casemates - Limited use in all but light seas
Weight of broadside 485 lbs / 220 kg
Shells per gun, main battery: 120
2 - 19,7" / 500 mm above water torpedoes
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 27.310 shp / 20.373 Kw = 30,00 kts
Range 9.500nm at 14,00 kts
Bunker at max displacement = 782 tons
Complement:
149 - 194
Cost:
£0,523 million / $2,093 million
Distribution of weights at normal displacement:
Armament: 61 tons, 3,0 %
Machinery: 843 tons, 42,0 %
Hull, fittings & equipment: 520 tons, 25,9 %
Fuel, ammunition & stores: 507 tons, 25,3 %
Miscellaneous weights: 75 tons, 3,7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
769 lbs / 349 Kg = 12,9 x 4,9 " / 125 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,78
Metacentric height 3,5 ft / 1,1 m
Roll period: 9,5 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0,14
Seaboat quality (Average = 1.00): 1,07
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,380
Length to Beam Ratio: 9,18 : 1
'Natural speed' for length: 19,68 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 10,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16,40 ft / 5,00 m
- Forecastle (20 %): 13,12 ft / 4,00 m
- Mid (50 %): 13,12 ft / 4,00 m
- Quarterdeck (15 %): 13,12 ft / 4,00 m
- Stern: 13,12 ft / 4,00 m
- Average freeboard: 13,39 ft / 4,08 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 162,5 %
- Above water (accommodation/working, high = better): 154,6 %
Waterplane Area: 9.951 Square feet or 925 Square metres
Displacement factor (Displacement / loading): 81 %
Structure weight / hull surface area: 34 lbs/sq ft or 167 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 0,88
- Overall: 0,53
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Trial Speed: 30,5 knts
Range at max speed: 1300 Nm.
Torpedoes:20 tns 4 reloads
L/R W/L 25 tns
Reserve : 30 tns