Destroyers

Jefgte · June 21, 2024, 01:07:02 AM

D15, Byzantine Empire Heavy Destroyer laid down 1932

1932 - D189 - D190 - D191 - D192
1933 - D193 - D194
1934 - D195 - D196

Displacement:
1 900 t light; 2 028 t standard; 2 381 t normal; 2 664 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(401,65 ft / 396,98 ft) x 38,71 ft x (13,10 / 14,13 ft)
(122,42 m / 121,00 m) x 11,80 m x (3,99 / 4,31 m)

Armament:
6 - 4,49" / 114 mm 45,0 cal guns - 58,00lbs / 26,31kg shells, 320 per gun
Dual purpose guns in deck mounts, 1932 Model
3 x 2-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
Anti-air guns in deck mounts, 1932 Model
2 x 2-gun mounts on sides, forward deck forward
2 raised mounts
4 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
Anti-air guns in deck mounts, 1932 Model
2 x 2-gun mounts on sides, aft deck forward
2 raised mounts
4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
Machine guns in deck mounts, 1932 Model
2 x 2-gun mounts on sides, forward deck forward
2 raised mounts
Weight of broadside 364 lbs / 165 kg

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,39" / 10 mm - -
2nd: 0,24" / 6 mm - -
3rd: 0,24" / 6 mm - -
4th: 0,24" / 6 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 44 580 shp / 33 256 Kw = 32,95 kts
Range 11 000nm at 12,00 kts
Bunker at max displacement = 636 tons

Complement:
169 - 221

Cost:
£1,123 million / $4,493 million

Distribution of weights at normal displacement:
Armament: 55 tons, 2,3 %
- Guns: 55 tons, 2,3 %
Armour: 5 tons, 0,2 %
- Armament: 5 tons, 0,2 %
Machinery: 1 190 tons, 50,0 %
Hull, fittings & equipment: 535 tons, 22,5 %
Fuel, ammunition & stores: 481 tons, 20,2 %
Miscellaneous weights: 115 tons, 4,8 %
- Hull above water: 15 tons
- On freeboard deck: 70 tons
- Above deck: 30 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
657 lbs / 298 Kg = 14,5 x 4,5 " / 114 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,33
Metacentric height 2,0 ft / 0,6 m
Roll period: 11,5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,21
Seaboat quality (Average = 1.00): 1,01

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0,414 / 0,429
Length to Beam Ratio: 10,25 : 1
'Natural speed' for length: 19,92 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 12,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18,00 %, 21,98 ft / 6,70 m, 17,06 ft / 5,20 m
- Forward deck: 33,00 %, 17,06 ft / 5,20 m, 13,12 ft / 4,00 m
- Aft deck: 33,00 %, 13,12 ft / 4,00 m, 12,14 ft / 3,70 m
- Quarter deck: 16,00 %, 12,14 ft / 3,70 m, 12,47 ft / 3,80 m
- Average freeboard: 14,54 ft / 4,43 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170,6 %
- Above water (accommodation/working, high = better): 149,1 %
Waterplane Area: 9 542 Square feet or 887 Square metres
Displacement factor (Displacement / loading): 83 %
Structure weight / hull surface area: 34 lbs/sq ft or 166 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 1,11
- Overall: 0,54
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform

AD
5t for1930 top mast rangefinder
25t for LR marconi
OD
40t for 2x5TTx533HW
10t for1920 sonar
6t for 30x195 DC
5t for night fighting
10t reserved for new material, paravanes, armament, minen.
AW
15t for enhanced hydrophone
climatisation

Trial speed: 33.5 kts
Bonus: 0.55

Jefgte · December 20, 2024, 03:47:18 AM

D16, Byzantine Empire DAA - Light Destroyer laid down 1934

1934 - D197 - D198 - D199 - D200 - D201 - D202
1935 - D203 - D204 - D205 - D206 - D207 - D208

Displacement:
   1 250 t light; 1 358 t standard; 1 541 t normal; 1 688 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (327,95 ft / 324,80 ft) x 32,48 ft x (12,66 / 13,44 ft)
   (99,96 m / 99,00 m) x 9,90 m x (3,86 / 4,10 m)

Armament:
4 - 4,49" / 114 mm 45,0 cal guns - 58,00lbs / 26,31kg shells, 320 per gun
     Dual purpose guns in deck mounts, 1934 Model
     2 x 2-gun mounts on centreline ends, evenly spread
8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1934 Model
     2 x 4-gun mounts on centreline ends, evenly spread
      2 raised mounts
8 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1934 Model
     2 x 4-gun mounts on sides, forward deck aft
4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1934 Model
     2 x 2-gun mounts on sides, forward deck forward
      2 raised mounts
Weight of broadside 264 lbs / 120 kg

Armour:
- Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm     -           -
   2nd:   0,24" / 6 mm     -           -
   3rd:   0,24" / 6 mm     -           -
   4th:   0,24" / 6 mm     -           -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 32 500 shp / 24 245 Kw = 31,80 kts
   Range 7 500nm at 12,00 kts
   Bunker at max displacement = 329 tons

Complement:
   122 - 159

Cost:
   £0,795 million / $3,182 million

Distribution of weights at normal displacement:
   Armament: 41 tons, 2,7 %
     - Guns: 41 tons, 2,7 %
   Armour: 4 tons, 0,2 %
     - Armament: 4 tons, 0,2 %
   Machinery: 770 tons, 50,0 %
   Hull, fittings & equipment: 368 tons, 23,9 %
   Fuel, ammunition & stores: 291 tons, 18,9 %
   Miscellaneous weights: 67 tons, 4,3 %
     - On freeboard deck: 63 tons
     - Above deck: 4 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     421 lbs / 191 Kg = 9,3 x 4,5 " / 114 mm shells or 0,3 torpedoes
   Stability (Unstable if below 1.00): 1,26
   Metacentric height 1,4 ft / 0,4 m
   Roll period: 11,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,26
   Seaboat quality (Average = 1.00): 1,01

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,404 / 0,416
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 18,02 kts
   Power going to wave formation at top speed: 66 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 9,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
     - Forecastle:   17,50 %, 19,85 ft / 6,05 m, 15,91 ft / 4,85 m
     - Forward deck:   33,50 %, 15,91 ft / 4,85 m, 12,30 ft / 3,75 m
     - Aft deck:   33,50 %, 12,30 ft / 3,75 m, 11,32 ft / 3,45 m
     - Quarter deck:   15,50 %, 11,32 ft / 3,45 m, 11,65 ft / 3,55 m
     - Average freeboard:      13,52 ft / 4,12 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172,4 %
      - Above water (accommodation/working, high = better): 131,7 %
   Waterplane Area: 6 509 Square feet or 605 Square metres
   Displacement factor (Displacement / loading): 76 %
   Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,81
      - Overall: 0,56
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
4t for top fire control
Short Marconi
OD
24t for 2x3TTx533 HW
15t for enhanced hydrophone
5t for night fighting
6t for 30x195kg DC
2t for paravanes
11t reserved
AW
Climatisation

Trial speed: 32,5kts
Bonus: 0.7

Jefgte · March 01, 2025, 10:54:07 AM

D17, Byzantine Empire DD2000 laid down 1936

1936 => D209 - D210 - D211 - D210 - D213 - D214

Displacement:
   2 000 t light; 2 146 t standard; 2 529 t normal; 2 836 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (398,37 ft / 393,70 ft) x 39,37 ft x (13,80 / 14,91 ft)
   (121,42 m / 120,00 m) x 12,00 m x (4,21 / 4,54 m)

Armament:
6 - 4,49" / 114 mm 45,0 cal guns - 58,00lbs / 26,31kg shells, 320 per gun
     Dual purpose guns in deck mounts, 1936 Model
     3 x 2-gun mounts on centreline ends, majority forward
      1 raised mount - superfiring
16 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 860 per gun
     Anti-air guns in deck mounts, 1936 Model
     4 x 4-gun mounts on sides, evenly spread
      2 raised mounts
4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1936 Model
     2 x 2-gun mounts on sides, forward deck forward
      2 raised mounts
Weight of broadside 380 lbs / 173 kg

Armour:
- Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm     -           -
   2nd:   0,24" / 6 mm     -           -
   4th:   0,24" / 6 mm     -           -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 48 900 shp / 36 479 Kw = 33,31 kts
   Range 12 000nm at 12,00 kts
   Bunker at max displacement = 689 tons

Complement:
   177 - 231

Cost:
   £1,380 million / $5,520 million

Distribution of weights at normal displacement:
   Armament: 59 tons, 2,3 %
     - Guns: 59 tons, 2,3 %
   Armour: 5 tons, 0,2 %
     - Armament: 5 tons, 0,2 %
   Machinery: 1 264 tons, 50,0 %
   Hull, fittings & equipment: 575 tons, 22,7 %
   Fuel, ammunition & stores: 529 tons, 20,9 %
   Miscellaneous weights: 98 tons, 3,9 %
     - On freeboard deck: 92 tons
     - Above deck: 6 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     715 lbs / 324 Kg = 15,8 x 4,5 " / 114 mm shells or 0,4 torpedoes
   Stability (Unstable if below 1.00): 1,36
   Metacentric height 2,1 ft / 0,6 m
   Roll period: 11,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,21
   Seaboat quality (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,414 / 0,429
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 19,84 kts
   Power going to wave formation at top speed: 65 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 12,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
     - Forecastle:   17,50 %, 21,98 ft / 6,70 m, 17,72 ft / 5,40 m
     - Forward deck:   33,50 %, 17,72 ft / 5,40 m, 13,70 ft / 4,18 m
     - Aft deck:   33,50 %, 13,70 ft / 4,18 m, 13,04 ft / 3,98 m
     - Quarter deck:   15,50 %, 13,04 ft / 3,98 m, 13,37 ft / 4,08 m
     - Average freeboard:      15,19 ft / 4,63 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 170,3 %
      - Above water (accommodation/working, high = better): 150,6 %
   Waterplane Area: 9 624 Square feet or 894 Square metres
   Displacement factor (Displacement / loading): 85 %
   Structure weight / hull surface area: 35 lbs/sq ft or 172 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,29
      - Overall: 0,55
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

AD
6t for top fire control - 1930
Short Marconi
OD
32t for 2x4TTx533 HW
5t for night fighting
15t for enhanced hydrophone
10t for sonar
6t for 18x180kg DC
2t for 2YxDC thrower
2t for paravanes
20t reserved for new material, armament.
AW
Climatisation

Trial speed: 33.5kts
Bonus: 0.2

4680nm-18kts
3600nm-20kts
1200nm-30kts

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