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1

Sunday, November 21st 2010, 9:42pm

Trying to decide

With the sale of the Battlecruisers Kypris and Makedonia to Atlantis the RHN finds itself lacking in intermediate ships. With the 2 Lysandros class BBs joining the Megas Alexandros and the 2 Salamis class BBs I have 2 27kt 14" BBs, 1 28kt 14" BB, and 2 30kt 16" BBs. Next down are the 2 "Large" Cruisers, both around 16,000t but only armed with 6" guns. Then there are the 2 Great War era Helle class CAs with their 8" guns, but they're old even after being rebuilt. I feel there is a gap between the Battleships and the CLs (including the Konstantinoupolis').

What would the recommendation of the peanut gallery as to something to fill that gap? A ~17-18k CA w/ 8" guns? Something larger? Perhaps some new built BCs with either 12 or 14" guns? Any input would be appreciated.

This post has been edited 1 times, last edit by "Sachmle" (Nov 22nd 2010, 12:23am)


2

Sunday, November 21st 2010, 9:49pm

RE: Trying to decide

Quoted

Originally posted by Sachmle

What would the recommendation of the peanut gallery as to something to fill that gap? A ~17-18k CA w/ 8" guns? Something larger? Perhaps some new built BCs with either 12 or 14" guns? Any input would be appreciated.



Depends on the role you foresee for the vessels in question - raider, counter-raider, or scout for the battle line. Or something else.

I could see something like a pocket battleship - say six or so 12-14 inch guns with a 35 knot turn of speed - if you wanted a commerce raider. If you wanted something to screen the larger units of your fleet, maybe a larger heavy cruiser of about 18,000 tons with a speed of 33 knots armed with 9.2 inch guns.

3

Monday, November 22nd 2010, 1:48am

If I were Greece I'd look towards designing a ship with Helle's capability's and build a class of 4. IMO 15,000 tons with 12x8" seems like a reasonable armament, either that or 9x12".

4

Monday, November 22nd 2010, 5:39am

Still working on the CA designs, but I do have a design for a 'light' cruiser. Slightly better main battery firepower than the 15,000t+ Konstantinoupolis class ships due to a new, heavier shell design. They trade armor for speed and come in 5,000t lighter.


E-140A, Greek 6" Cruiser laid down 1940

Displacement:
10,200 t light; 10,757 t standard; 12,474 t normal; 13,847 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(639.98 ft / 630.00 ft) x 66.00 ft x (20.00 / 21.66 ft)
(195.07 m / 192.02 m) x 20.12 m x (6.10 / 6.60 m)

Armament:
12 - 6.00" / 152 mm 50.0 cal guns - 115.00lbs / 52.16kg shells, 225 per gun
Quick firing guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
8 - 5.00" / 127 mm 40.0 cal guns - 62.00lbs / 28.12kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
4 x Twin mounts on side ends, evenly spread
24 - 1.57" / 40.0 mm 50.0 cal guns - 2.01lbs / 0.91kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1940 Model
12 x Twin mounts on sides, evenly spread
6 raised mounts
20 - 0.79" / 20.0 mm 70.0 cal guns - 0.24lbs / 0.11kg shells, 5,000 per gun
Machine guns in deck mounts, 1940 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 1,929 lbs / 875 kg
Main Torpedoes
8 - 21.0" / 533 mm, 30.50 ft / 9.30 m torpedoes - 2.004 t each, 16.031 t total
In 2 sets of deck mounted side rotating tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 361.00 ft / 110.03 m 10.00 ft / 3.05 m
Ends: Unarmoured
Main Belt covers 88 % of normal length
Main Belt inclined 12.00 degrees (positive = in)

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.00" / 127 mm 3.00" / 76 mm 4.00" / 102 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -
4th: 0.50" / 13 mm - -

- Armoured deck - single deck:
For and Aft decks: 2.00" / 51 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 102,000 shp / 76,092 Kw = 33.10 kts
Range 6,525nm at 20.00 kts
Bunker at max displacement = 3,090 tons

Complement:
589 - 767

Cost:
£5.568 million / $22.271 million

Distribution of weights at normal displacement:
Armament: 491 tons, 3.9 %
- Guns: 459 tons, 3.7 %
- Weapons: 32 tons, 0.3 %
Armour: 1,957 tons, 15.7 %
- Belts: 610 tons, 4.9 %
- Armament: 446 tons, 3.6 %
- Armour Deck: 867 tons, 6.9 %
- Conning Tower: 35 tons, 0.3 %
Machinery: 2,727 tons, 21.9 %
Hull, fittings & equipment: 4,824 tons, 38.7 %
Fuel, ammunition & stores: 2,274 tons, 18.2 %
Miscellaneous weights: 200 tons, 1.6 %
- Hull below water: 100 tons
- Hull above water: 50 tons
- On freeboard deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
18,183 lbs / 8,248 Kg = 168.4 x 6.0 " / 152 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 3.2 ft / 1.0 m
Roll period: 15.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has a flush deck,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.525 / 0.538
Length to Beam Ratio: 9.55 : 1
'Natural speed' for length: 26.94 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 15.50 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 22.00 %, 36.00 ft / 10.97 m, 24.00 ft / 7.32 m
- Forward deck: 30.00 %, 24.00 ft / 7.32 m, 21.00 ft / 6.40 m
- Aft deck: 33.00 %, 21.00 ft / 6.40 m, 21.00 ft / 6.40 m
- Quarter deck: 15.00 %, 21.00 ft / 6.40 m, 21.00 ft / 6.40 m
- Average freeboard: 23.17 ft / 7.06 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 88.1 %
- Above water (accommodation/working, high = better): 197.5 %
Waterplane Area: 29,038 Square feet or 2,698 Square metres
Displacement factor (Displacement / loading): 133 %
Structure weight / hull surface area: 110 lbs/sq ft or 537 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.53
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

5

Monday, November 22nd 2010, 11:02pm

My two cents.

I am not a fan of intermediate designs.
There are Capital Ships and there are cruisers.
Either build a full BB or a 10t or under cruiser.
Ships in between are odd ducks, white elephants.

My two cents.

6

Thursday, November 25th 2010, 9:36pm

The E-140A is a good design and well balanced since speed and AA armament are likely to be better deciders than armour given the likely close ranges and rapid speeds in combat around Greece's waters.
6in gunfire might be superior than 8in or larger against most cruiser targets.

If 2 CAs with 8in or 9.2in (Britain wouldn't object to selling some 9.2in guns if Canada doesn't object) could be squeezed into the programme they would help bridge the gap with perhaps a qaurtet of E-140As.

7

Saturday, November 27th 2010, 7:49pm

E-240a

Smaller and faster. Sacrifices armor and range.

E-240A, Greek 6in Cruiser laid down 1940

Displacement:
8,650 t light; 9,200 t standard; 10,278 t normal; 11,140 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(568.65 ft / 557.00 ft) x 62.00 ft x (19.50 / 20.74 ft)
(173.32 m / 169.77 m) x 18.90 m x (5.94 / 6.32 m)

Armament:
12 - 6.00" / 152 mm 50.0 cal guns - 115.00lbs / 52.16kg shells, 250 per gun
Quick firing guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
8 - 5.00" / 127 mm 40.0 cal guns - 62.50lbs / 28.35kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
4 x Twin mounts on side ends, evenly spread
24 - 1.57" / 40.0 mm 60.0 cal guns - 2.00lbs / 0.91kg shells, 2,500 per gun
Anti-air guns in deck mounts, 1940 Model
12 x Twin mounts on sides, evenly spread
4 raised mounts
20 - 0.79" / 20.0 mm 70.0 cal guns - 0.25lbs / 0.11kg shells, 5,000 per gun
Anti-air guns in deck mounts, 1940 Model
10 x Twin mounts on sides, evenly spread
6 raised mounts
12 - 0.50" / 12.7 mm 80.0 cal guns - 0.07lbs / 0.03kg shells, 7,000 per gun
Machine guns in deck mounts, 1940 Model
12 x Single mounts on sides, evenly spread
12 raised mounts
Weight of broadside 1,934 lbs / 877 kg
Main Torpedoes
8 - 21.0" / 533 mm, 30.44 ft / 9.28 m torpedoes - 2.000 t each, 16.000 t total
In 2 sets of deck mounted carriage/fixed tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 376.00 ft / 114.60 m 9.33 ft / 2.84 m
Ends: Unarmoured
Main Belt covers 104 % of normal length
Main Belt inclined 10.00 degrees (positive = in)

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 2.00" / 51 mm 2.00" / 51 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -
4th: 0.25" / 6 mm - -
5th: 0.25" / 6 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 2.00" / 51 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 98,000 shp / 73,108 Kw = 33.25 kts
Range 7,500nm at 16.00 kts
Bunker at max displacement = 1,940 tons

Complement:
509 - 663

Cost:
£5.160 million / $20.640 million

Distribution of weights at normal displacement:
Armament: 483 tons, 4.7 %
- Guns: 463 tons, 4.5 %
- Weapons: 20 tons, 0.2 %
Armour: 1,466 tons, 14.3 %
- Belts: 435 tons, 4.2 %
- Armament: 262 tons, 2.5 %
- Armour Deck: 739 tons, 7.2 %
- Conning Tower: 31 tons, 0.3 %
Machinery: 2,620 tons, 25.5 %
Hull, fittings & equipment: 3,880 tons, 37.8 %
Fuel, ammunition & stores: 1,628 tons, 15.8 %
Miscellaneous weights: 200 tons, 1.9 %
- Hull below water: 120 tons
- Hull above water: 50 tons
- On freeboard deck: 20 tons
- Above deck: 10 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
12,028 lbs / 5,456 Kg = 111.4 x 6.0 " / 152 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.9 ft / 0.9 m
Roll period: 15.2 seconds
Steadiness - As gun platform (Average = 50 %): 62 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.534 / 0.544
Length to Beam Ratio: 8.98 : 1
'Natural speed' for length: 25.39 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 32.00 ft / 9.75 m, 26.00 ft / 7.92 m
- Forward deck: 30.00 %, 26.00 ft / 7.92 m, 25.00 ft / 7.62 m
- Aft deck: 35.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Quarter deck: 15.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Average freeboard: 21.83 ft / 6.65 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 103.8 %
- Above water (accommodation/working, high = better): 187.2 %
Waterplane Area: 24,329 Square feet or 2,260 Square metres
Displacement factor (Displacement / loading): 118 %
Structure weight / hull surface area: 106 lbs/sq ft or 518 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.77
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room

This post has been edited 1 times, last edit by "Sachmle" (Nov 27th 2010, 7:50pm)


8

Saturday, November 27th 2010, 8:09pm

D-140a

Possible 8" cruiser.

D-140A, Greek 8in Cruiser laid down 1940

Displacement:
15,300 t light; 16,262 t standard; 17,855 t normal; 19,130 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(630.40 ft / 620.00 ft) x 84.25 ft x (23.90 / 25.13 ft)
(192.15 m / 188.98 m) x 25.68 m x (7.28 / 7.66 m)

Armament:
12 - 8.00" / 203 mm 50.0 cal guns - 260.00lbs / 117.93kg shells, 220 per gun
Breech loading guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 5.00" / 127 mm 40.0 cal guns - 62.50lbs / 28.35kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
8 x Twin mounts on side ends, evenly spread
4 raised mounts - superfiring
24 - 1.57" / 40.0 mm 60.0 cal guns - 2.00lbs / 0.91kg shells, 2,500 per gun
Anti-air guns in deck mounts, 1940 Model
12 x Twin mounts on side ends, evenly spread
8 raised mounts - superfiring
20 - 0.79" / 20.0 mm 70.0 cal guns - 0.25lbs / 0.11kg shells, 5,000 per gun
Machine guns in deck mounts, 1940 Model
10 x Twin mounts on centreline, aft evenly spread
12 - 0.50" / 12.7 mm 80.0 cal guns - 0.07lbs / 0.03kg shells, 8,000 per gun
Machine guns in deck mounts, 1940 Model
12 x Single mounts on sides, evenly spread
12 raised mounts
Weight of broadside 4,174 lbs / 1,893 kg
Main Torpedoes
8 - 21.0" / 533 mm, 30.44 ft / 9.28 m torpedoes - 2.000 t each, 16.000 t total
In 2 sets of deck mounted side rotating tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.00" / 127 mm 368.00 ft / 112.17 m 14.00 ft / 4.27 m
Ends: Unarmoured
Main Belt covers 91 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 6.00" / 152 mm 8.00" / 203 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -
4th: 0.50" / 13 mm - -
5th: 0.25" / 6 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 3.50" / 89 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 110,000 shp / 82,060 Kw = 32.43 kts
Range 8,500nm at 15.00 kts
Bunker at max displacement = 2,868 tons

Complement:
771 - 1,003

Cost:
£7.949 million / $31.795 million

Distribution of weights at normal displacement:
Armament: 940 tons, 5.3 %
- Guns: 908 tons, 5.1 %
- Weapons: 32 tons, 0.2 %
Armour: 4,322 tons, 24.2 %
- Belts: 1,119 tons, 6.3 %
- Armament: 1,234 tons, 6.9 %
- Armour Deck: 1,924 tons, 10.8 %
- Conning Tower: 44 tons, 0.2 %
Machinery: 2,941 tons, 16.5 %
Hull, fittings & equipment: 6,947 tons, 38.9 %
Fuel, ammunition & stores: 2,555 tons, 14.3 %
Miscellaneous weights: 150 tons, 0.8 %
- Hull below water: 150 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29,144 lbs / 13,220 Kg = 113.8 x 8.0 " / 203 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 4.6 ft / 1.4 m
Roll period: 16.5 seconds
Steadiness - As gun platform (Average = 50 %): 65 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.04

Hull form characteristics:
Hull has a flush deck,
a normal bow and large transom stern
Block coefficient (normal/deep): 0.501 / 0.510
Length to Beam Ratio: 7.36 : 1
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 32.00 ft / 9.75 m, 24.00 ft / 7.32 m
- Forward deck: 30.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Aft deck: 35.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Quarter deck: 15.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Average freeboard: 24.64 ft / 7.51 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.3 %
- Above water (accommodation/working, high = better): 209.3 %
Waterplane Area: 36,213 Square feet or 3,364 Square metres
Displacement factor (Displacement / loading): 128 %
Structure weight / hull surface area: 140 lbs/sq ft or 686 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.82
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room

This post has been edited 1 times, last edit by "Sachmle" (Nov 27th 2010, 10:41pm)


9

Sunday, November 28th 2010, 1:45am

E-240b

It was pointed out that I could probably squeeze in more 20mm instead of the rather dated 50cal MGs, so here is an updated version. The update of D-140 will be forthcoming shortly.


E-240B, Greek 6in Cruiser laid down 1940

Displacement:
8,650 t light; 9,204 t standard; 10,282 t normal; 11,145 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(568.65 ft / 557.00 ft) x 62.00 ft x (19.50 / 20.74 ft)
(173.32 m / 169.77 m) x 18.90 m x (5.94 / 6.32 m)

Armament:
12 - 6.00" / 152 mm 50.0 cal guns - 115.00lbs / 52.16kg shells, 250 per gun
Quick firing guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
8 - 5.00" / 127 mm 40.0 cal guns - 62.50lbs / 28.35kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
4 x Twin mounts on side ends, evenly spread
24 - 1.57" / 40.0 mm 60.0 cal guns - 2.00lbs / 0.91kg shells, 2,500 per gun
Anti-air guns in deck mounts, 1940 Model
12 x Twin mounts on sides, evenly spread
4 raised mounts
30 - 0.79" / 20.0 mm 70.0 cal guns - 0.25lbs / 0.11kg shells, 5,000 per gun
Anti-air guns in deck mounts, 1940 Model
12 x Twin mounts on sides, evenly spread
6 raised mounts
8 x Single mounts on sides, evenly spread
Weight of broadside 1,936 lbs / 878 kg
Main Torpedoes
8 - 21.0" / 533 mm, 30.44 ft / 9.28 m torpedoes - 2.000 t each, 16.000 t total
In 2 sets of deck mounted carriage/fixed tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 376.00 ft / 114.60 m 9.33 ft / 2.84 m
Ends: Unarmoured
Main Belt covers 104 % of normal length
Main Belt inclined 10.00 degrees (positive = in)

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 2.00" / 51 mm 2.00" / 51 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -
4th: 0.25" / 6 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 2.00" / 51 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 98,000 shp / 73,108 Kw = 33.25 kts
Range 7,500nm at 16.00 kts
Bunker at max displacement = 1,941 tons

Complement:
509 - 663

Cost:
£5.161 million / $20.643 million

Distribution of weights at normal displacement:
Armament: 483 tons, 4.7 %
- Guns: 463 tons, 4.5 %
- Weapons: 20 tons, 0.2 %
Armour: 1,464 tons, 14.2 %
- Belts: 435 tons, 4.2 %
- Armament: 259 tons, 2.5 %
- Armour Deck: 739 tons, 7.2 %
- Conning Tower: 31 tons, 0.3 %
Machinery: 2,620 tons, 25.5 %
Hull, fittings & equipment: 3,882 tons, 37.8 %
Fuel, ammunition & stores: 1,632 tons, 15.9 %
Miscellaneous weights: 200 tons, 1.9 %
- Hull below water: 120 tons
- Hull above water: 50 tons
- On freeboard deck: 20 tons
- Above deck: 10 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
12,037 lbs / 5,460 Kg = 111.4 x 6.0 " / 152 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.9 ft / 0.9 m
Roll period: 15.2 seconds
Steadiness - As gun platform (Average = 50 %): 62 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.534 / 0.545
Length to Beam Ratio: 8.98 : 1
'Natural speed' for length: 25.39 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 32.00 ft / 9.75 m, 26.00 ft / 7.92 m
- Forward deck: 30.00 %, 26.00 ft / 7.92 m, 25.00 ft / 7.62 m
- Aft deck: 35.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Quarter deck: 15.00 %, 17.00 ft / 5.18 m, 17.00 ft / 5.18 m
- Average freeboard: 21.83 ft / 6.65 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 103.8 %
- Above water (accommodation/working, high = better): 187.2 %
Waterplane Area: 24,330 Square feet or 2,260 Square metres
Displacement factor (Displacement / loading): 118 %
Structure weight / hull surface area: 106 lbs/sq ft or 518 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.77
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room

10

Sunday, November 28th 2010, 1:52am

D-140b

Speak of the devil.


D-140B, Greek 8in Cruiser laid down 1940

Displacement:
15,304 t light; 16,276 t standard; 17,870 t normal; 19,146 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(630.40 ft / 620.00 ft) x 84.25 ft x (23.90 / 25.13 ft)
(192.15 m / 188.98 m) x 25.68 m x (7.28 / 7.66 m)

Armament:
12 - 8.00" / 203 mm 45.0 cal guns - 259.99lbs / 117.93kg shells, 220 per gun
Breech loading guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 5.00" / 127 mm 40.0 cal guns - 62.50lbs / 28.35kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
8 x Twin mounts on side ends, evenly spread
4 raised mounts - superfiring
28 - 1.57" / 40.0 mm 60.0 cal guns - 2.00lbs / 0.91kg shells, 2,500 per gun
Anti-air guns in deck mounts, 1940 Model
14 x Twin mounts on side ends, majority forward
8 raised mounts - superfiring
24 - 0.79" / 20.0 mm 70.0 cal guns - 0.25lbs / 0.11kg shells, 5,000 per gun
Machine guns in deck mounts, 1940 Model
10 x Twin mounts on centreline, aft evenly spread
6 raised mounts
4 x Single mounts on sides, evenly spread
Weight of broadside 4,182 lbs / 1,897 kg
Main Torpedoes
8 - 21.0" / 533 mm, 30.44 ft / 9.28 m torpedoes - 2.000 t each, 16.000 t total
In 2 sets of deck mounted side rotating tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.00" / 127 mm 368.00 ft / 112.17 m 14.00 ft / 4.27 m
Ends: Unarmoured
Main Belt covers 91 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 6.00" / 152 mm 8.00" / 203 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -
4th: 0.25" / 6 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 3.50" / 89 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 110,085 shp / 82,123 Kw = 32.43 kts
Range 8,500nm at 15.00 kts
Bunker at max displacement = 2,870 tons

Complement:
772 - 1,004

Cost:
£7.955 million / $31.818 million

Distribution of weights at normal displacement:
Armament: 942 tons, 5.3 %
- Guns: 910 tons, 5.1 %
- Weapons: 32 tons, 0.2 %
Armour: 4,316 tons, 24.2 %
- Belts: 1,119 tons, 6.3 %
- Armament: 1,228 tons, 6.9 %
- Armour Deck: 1,925 tons, 10.8 %
- Conning Tower: 44 tons, 0.2 %
Machinery: 2,943 tons, 16.5 %
Hull, fittings & equipment: 6,953 tons, 38.9 %
Fuel, ammunition & stores: 2,566 tons, 14.4 %
Miscellaneous weights: 150 tons, 0.8 %
- Hull below water: 150 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29,160 lbs / 13,227 Kg = 113.9 x 8.0 " / 203 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 4.6 ft / 1.4 m
Roll period: 16.5 seconds
Steadiness - As gun platform (Average = 50 %): 65 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.04

Hull form characteristics:
Hull has a flush deck,
a normal bow and large transom stern
Block coefficient (normal/deep): 0.501 / 0.510
Length to Beam Ratio: 7.36 : 1
'Natural speed' for length: 29.15 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 32.00 ft / 9.75 m, 24.00 ft / 7.32 m
- Forward deck: 30.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Aft deck: 35.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Quarter deck: 15.00 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Average freeboard: 24.64 ft / 7.51 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.4 %
- Above water (accommodation/working, high = better): 209.1 %
Waterplane Area: 36,226 Square feet or 3,366 Square metres
Displacement factor (Displacement / loading): 128 %
Structure weight / hull surface area: 141 lbs/sq ft or 686 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.82
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room

11

Sunday, November 28th 2010, 6:58am

D-240a

Better protection than D-140A, but maybe too much.

D-240A, Greek Heavy Cruiser laid down 1940

Displacement:
15,000 t light; 15,804 t standard; 17,750 t normal; 19,306 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(640.63 ft / 625.00 ft) x 78.00 ft x (25.10 / 26.73 ft)
(195.26 m / 190.50 m) x 23.77 m x (7.65 / 8.15 m)

Armament:
12 - 8.00" / 203 mm 55.0 cal guns - 300.01lbs / 136.08kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
8 - 5.00" / 127 mm 40.0 cal guns - 62.50lbs / 28.35kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
4 x Twin mounts on sides, forward evenly spread
24 - 1.57" / 40.0 mm 60.0 cal guns - 2.01lbs / 0.91kg shells, 2,500 per gun
Anti-air guns in deck mounts, 1940 Model
12 x Twin mounts on sides, evenly spread
6 raised mounts
20 - 0.79" / 20.0 mm 70.0 cal guns - 0.24lbs / 0.11kg shells, 5,000 per gun
Anti-air guns in deck mounts, 1940 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 4,153 lbs / 1,884 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.00" / 203 mm 325.00 ft / 99.06 m 12.75 ft / 3.89 m
Ends: Unarmoured
Main Belt covers 80 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.00" / 203 mm 4.00" / 102 mm 6.00" / 152 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 3.75" / 95 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 114,000 shp / 85,044 Kw = 32.18 kts
Range 3,500nm at 25.00 kts
Bunker at max displacement = 3,502 tons

Complement:
768 - 999

Cost:
£8.267 million / $33.067 million

Distribution of weights at normal displacement:
Armament: 1,023 tons, 5.8 %
- Guns: 1,023 tons, 5.8 %
Armour: 4,196 tons, 23.6 %
- Belts: 1,461 tons, 8.2 %
- Armament: 890 tons, 5.0 %
- Armour Deck: 1,802 tons, 10.2 %
- Conning Tower: 44 tons, 0.2 %
Machinery: 3,048 tons, 17.2 %
Hull, fittings & equipment: 6,532 tons, 36.8 %
Fuel, ammunition & stores: 2,750 tons, 15.5 %
Miscellaneous weights: 200 tons, 1.1 %
- Hull below water: 100 tons
- Hull above water: 50 tons
- Above deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
26,597 lbs / 12,064 Kg = 103.9 x 8.0 " / 203 mm shells or 2.7 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 4.1 ft / 1.3 m
Roll period: 16.1 seconds
Steadiness - As gun platform (Average = 50 %): 63 %
- Recoil effect (Restricted arc if above 1.00): 0.57
Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.508 / 0.519
Length to Beam Ratio: 8.01 : 1
'Natural speed' for length: 27.09 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 3.25 ft / 0.99 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 34.00 ft / 10.36 m, 28.00 ft / 8.53 m
- Forward deck: 30.00 %, 28.00 ft / 8.53 m, 28.00 ft / 8.53 m
- Aft deck: 30.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Quarter deck: 20.00 %, 20.00 ft / 6.10 m, 20.00 ft / 6.10 m
- Average freeboard: 24.48 ft / 7.46 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80.0 %
- Above water (accommodation/working, high = better): 199.4 %
Waterplane Area: 33,498 Square feet or 3,112 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 137 lbs/sq ft or 667 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.83
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room

12

Sunday, November 28th 2010, 7:00am

D-340a

Max size CL. Self imposed 10,000t std limit.


E-340A, Greek 6in Cruiser laid down 1940

Displacement:
9,435 t light; 10,003 t standard; 11,210 t normal; 12,176 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(570.05 ft / 557.00 ft) x 65.00 ft x (21.50 / 22.86 ft)
(173.75 m / 169.77 m) x 19.81 m x (6.55 / 6.97 m)

Armament:
12 - 6.00" / 152 mm 51.0 cal guns - 115.00lbs / 52.16kg shells, 250 per gun
Quick firing guns in turret on barbette mounts, 1940 Model
4 x Triple mounts on centreline ends, evenly spread
2 raised mounts - superfiring
12 - 5.00" / 127 mm 40.0 cal guns - 62.50lbs / 28.35kg shells, 250 per gun
Dual purpose guns in deck and hoist mounts, 1940 Model
4 x Twin mounts on side ends, evenly spread
2 x Twin mounts on centreline ends, evenly spread
2 double raised mounts
12 - 1.57" / 40.0 mm 60.0 cal guns - 2.00lbs / 0.91kg shells, 2,500 per gun
Anti-air guns in deck mounts, 1940 Model
6 x Twin mounts on sides, evenly spread
4 raised mounts
20 - 0.79" / 20.0 mm 70.0 cal guns - 0.25lbs / 0.11kg shells, 5,000 per gun
Anti-air guns in deck mounts, 1940 Model
6 x Twin mounts on sides, evenly spread
6 raised mounts
8 x Single mounts on sides, evenly spread
Weight of broadside 2,159 lbs / 979 kg
Main Torpedoes
8 - 21.0" / 533 mm, 23.88 ft / 7.28 m torpedoes - 1.612 t each, 12.896 t total
In 2 sets of deck mounted carriage/fixed tubes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 336.75 ft / 102.64 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 93 % of normal length
Main Belt inclined 12.00 degrees (positive = in)

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 2.00" / 51 mm 4.00" / 102 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 0.50" / 13 mm - -
4th: 0.50" / 13 mm - -

- Armoured deck - multiple decks:
For and Aft decks: 2.00" / 51 mm

- Conning towers: Forward 3.00" / 76 mm, Aft 0.00" / 0 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 93,000 shp / 69,378 Kw = 32.51 kts
Range 2,800nm at 25.00 kts
Bunker at max displacement = 2,173 tons

Complement:
544 - 708

Cost:
£5.340 million / $21.361 million

Distribution of weights at normal displacement:
Armament: 529 tons, 4.7 %
- Guns: 512 tons, 4.6 %
- Weapons: 16 tons, 0.1 %
Armour: 1,898 tons, 16.9 %
- Belts: 684 tons, 6.1 %
- Armament: 428 tons, 3.8 %
- Armour Deck: 753 tons, 6.7 %
- Conning Tower: 32 tons, 0.3 %
Machinery: 2,487 tons, 22.2 %
Hull, fittings & equipment: 4,323 tons, 38.6 %
Fuel, ammunition & stores: 1,775 tons, 15.8 %
Miscellaneous weights: 200 tons, 1.8 %
- Hull below water: 50 tons
- Hull above water: 50 tons
- On freeboard deck: 50 tons
- Above deck: 50 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
15,418 lbs / 6,994 Kg = 142.8 x 6.0 " / 152 mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.2 ft / 1.0 m
Roll period: 15.4 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.57
Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.504 / 0.515
Length to Beam Ratio: 8.57 : 1
'Natural speed' for length: 25.49 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 21.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 34.00 ft / 10.36 m, 27.00 ft / 8.23 m
- Forward deck: 35.00 %, 27.00 ft / 8.23 m, 26.00 ft / 7.92 m
- Aft deck: 30.00 %, 18.00 ft / 5.49 m, 18.00 ft / 5.49 m
- Quarter deck: 15.00 %, 18.00 ft / 5.49 m, 18.00 ft / 5.49 m
- Average freeboard: 23.34 ft / 7.11 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.4 %
- Above water (accommodation/working, high = better): 193.3 %
Waterplane Area: 24,793 Square feet or 2,303 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 112 lbs/sq ft or 548 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.12
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room

13

Sunday, November 28th 2010, 11:32am

D-140B looks to be the best CA design with a nice balance.The D-240A is scary but perhaps just too big and expensive.

The E-340A is good but somehow the E-140A just still seems better as its more of an all-rounder. Losing the 0.5kt for not much gain isn't really worth it.

14

Sunday, November 28th 2010, 6:01pm

Quoted

Originally posted by Hood
D-140B looks to be the best CA design with a nice balance.The D-240A is scary but perhaps just too big and expensive.

But D-240A is 300t smaller than D-140B (15,000 vs 15,304)

Quoted

Originally posted by Hood
The E-340A is good but somehow the E-140A just still seems better as its more of an all-rounder. Losing the 0.5kt for not much gain isn't really worth it.

Personally I'm leaning towards the E-240B. They're all around the same firepower/AA, but it's the smallest (read cheapest) and fastest. Armor is adequate, if not imposing.