I've started playing around with some older designs of Bernhard's in an attempt to develope the Iberian fleet.
What do you think of these, the first one is a 6 year update of one of his ships, the second is my pushing it to 2000 tons.
DD 1927, Iberia DD(L) laid down 1927
Displacement:
1,537 t light; 1,600 t standard; 1,739 t normal; 1,850 t full load
Dimensions: Length overall / water x beam x draught
393.36 ft / 377.30 ft x 34.45 ft x 11.48 ft (normal load)
119.90 m / 115.00 m x 10.50 m x 3.50 m
Armament:
4 - 5.12" / 130 mm guns in single mounts, 67.03lbs / 30.40kg shells, 1927 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
8 - 2.24" / 57.0 mm guns (4x2 guns), 5.65lbs / 2.56kg shells, 1927 Model
Breech loading guns in deck mounts
on side, all amidships
8 - 0.53" / 13.5 mm guns (4x2 guns), 0.08lbs / 0.04kg shells, 1927 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 314 lbs / 142 kg
Shells per gun, main battery: 150
6 - 23.6" / 600 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.39" / 10 mm -
2nd: 0.59" / 15 mm - -
3rd: 0.59" / 15 mm - -
- Conning tower: 0.59" / 15 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 40,204 shp / 29,992 Kw = 35.00 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 251 tons
Complement:
134 - 175
Cost:
£0.777 million / $3.106 million
Distribution of weights at normal displacement:
Armament: 39 tons, 2.3 %
Armour: 15 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 14 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.1 %
Machinery: 906 tons, 52.1 %
Hull, fittings & equipment: 527 tons, 30.3 %
Fuel, ammunition & stores: 202 tons, 11.6 %
Miscellaneous weights: 50 tons, 2.9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
470 lbs / 213 Kg = 7.0 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.31
Metacentric height 1.6 ft / 0.5 m
Roll period: 11.3 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.408
Length to Beam Ratio: 10.95 : 1
'Natural speed' for length: 22.27 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.15 ft / 6.75 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (47 %): 18.86 ft / 5.75 m (10.66 ft / 3.25 m aft of break)
- Quarterdeck (15 %): 10.66 ft / 3.25 m
- Stern: 10.66 ft / 3.25 m
- Average freeboard: 14.99 ft / 4.57 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 188.5 %
- Above water (accommodation/working, high = better): 100.9 %
Waterplane Area: 8,343 Square feet or 775 Square metres
Displacement factor (Displacement / loading): 60 %
Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.74
- Overall: 0.57
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
DD(H) 1927, Iberia DD laid down 1927
Displacement:
1,915 t light; 1,998 t standard; 2,158 t normal; 2,286 t full load
Dimensions: Length overall / water x beam x draught
406.40 ft / 390.42 ft x 36.09 ft x 13.78 ft (normal load)
123.87 m / 119.00 m x 11.00 m x 4.20 m
Armament:
6 - 5.12" / 130 mm guns (4 mounts), 67.03lbs / 30.40kg shells, 1927 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 2.24" / 57.0 mm guns (4x2 guns), 5.65lbs / 2.56kg shells, 1927 Model
Breech loading guns in deck mounts
on side, all amidships
12 - 0.53" / 13.5 mm guns (6x2 guns), 0.08lbs / 0.04kg shells, 1927 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 448 lbs / 203 kg
Shells per gun, main battery: 150
6 - 23.6" / 600 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm 0.39" / 10 mm -
2nd: 0.59" / 15 mm - -
3rd: 0.59" / 15 mm - -
- Conning tower: 0.59" / 15 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 50,271 shp / 37,502 Kw = 36.00 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 289 tons
Complement:
157 - 205
Cost:
£1.010 million / $4.041 million
Distribution of weights at normal displacement:
Armament: 56 tons, 2.6 %
Armour: 20 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 18 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.1 %
Machinery: 1,169 tons, 54.2 %
Hull, fittings & equipment: 619 tons, 28.7 %
Fuel, ammunition & stores: 243 tons, 11.2 %
Miscellaneous weights: 50 tons, 2.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
489 lbs / 222 Kg = 7.3 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.32
Metacentric height 1.8 ft / 0.5 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.32
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
and transom stern
Block coefficient: 0.389
Length to Beam Ratio: 10.82 : 1
'Natural speed' for length: 22.75 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.00 ft / 6.71 m
- Forecastle (20 %): 21.00 ft / 6.40 m (20.00 ft / 6.10 m aft of break)
- Mid (47 %): 19.00 ft / 5.79 m (10.75 ft / 3.28 m aft of break)
- Quarterdeck (15 %): 10.75 ft / 3.28 m
- Stern: 10.75 ft / 3.28 m
- Average freeboard: 15.24 ft / 4.65 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 197.1 %
- Above water (accommodation/working, high = better): 98.2 %
Waterplane Area: 8,948 Square feet or 831 Square metres
Displacement factor (Displacement / loading): 58 %
Structure weight / hull surface area: 36 lbs/sq ft or 175 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.73
- Overall: 0.57
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