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1

Thursday, September 2nd 2010, 4:17am

Cruisers of Greece

Summary of Heavy, Medium, and Light Cruisers in Greek service

[size=2]Helle Class Heavy Cruiser[/size]
[list]
C-4 Helle Laid Down 01/Jul/09 Entered Service 19/Sep/11 (reconstructed) 01/Jan/27 to 09/Oct/28 (reconstructed) 02/Jan/44 to ?
C-5 Kriti Laid Down 08/May/10 Entered Service 26/Jul/12 (reconstructed) 01/Jan/28 to 09/Oct/29 (reconstructed) 02/Jan/44 to ?

As built 1909-1911
Displacement:
12,884t standard
Dimensions:
600ft x 69ft x 26ft
Machinery:
4-shaft turbine 27.2kts Range 6000@15kts
Armour:
Belt 8"-2", Deck 2.2", Turrets 8" casemates 2", CT 10"
Armament:
10-8" (5x2) 12-5", 4-21"subTT

As reconstructed 1927-29
Displacement:
13,375t standard
Dimensions:
600ft x 69ft x 24ft
Machinery:
4-shaft Turbine 30.5kts Range 5000@15kts
Armour:
Belt 8", Deck 2.2", Turrets 8" CT 10"
Armament:
10-8" (4x2) 8-5" (8x1), 8-4" AA (8x1), 12-2pdr AA , 12-.5"AA, 8-21" TT (2x4)

As reconstructed 1944-194?
Displacement:
13,450t standard (13,453t actual)
Dimensions:
600ft x 69ft x 24ft
Machinery:
4-shaft Turbine 30.5kts Range 5,000@15kts
Armor:
Belt 8", Deck 2.2", Turrets 8"
Armament:
10-8" (5x2) 8-5" DP (4x2) 20-40mm (10x2) 6-25mm (3x2)
[/list]

[size=2]Eurybiades Class Light Cruiser[/size]
[list]
C-8 Eurybiades Laid Down 1-Jan-21 Entered service 09/Aug/22 (refitted 01/Oct/34 to 1/Mar/36)
C-9 Alcibiades Laid Down 15-Jan-21 Entered service 23/Aug/22 (refitted 01/Oct/34 to 01/Mar/36)
C-10 Leonidas Laid Down 3-Jul-21 Entered service 08/Feb/23 (refitted 01/Jul/35 to 29/Nov/36)
C-11 Miltiades Laid Down 2-Feb-22 Entered service 10/Sep/23 (refitted 28/Nov/35 to 28/Apr/37)
C-12 Nearchus Laid Down 1-Mar-22 Entered service 07/Oct/23 (refitted 26/Apr/36 to 25/Sep/37)
C-13 Aristides Laid Down 2-Feb-23 Entered service 9/Sep/24 (refitted 01/Jul/35 to 29/Nov/36)
C-14 Thucydides Laid Down 1-Mar-23 Entered service 06/Oct/24 (refitted 28/Nov/35 to 28/Apr/37)
C-15 Agamemnon Laid Down 4-Aug-23 Entered service 11/Mar/25 (refitted 26/Apr/36 to 25/Sep/37)
C-16 Themistoklis Laid Down 2-Feb-24 Entered service 09/Sep/25 (refitted 23/Sep/36 to 22/Feb/38)

As built 1921-1924

Displacement:
4,652t standard
Dimensions:
430ft x 47ft x 16.5ft
Machinery:
2-shaft Turbine 29kts Range 5000@12kts
Armour:
Belt 4", Deck 2.5", Turrets 2.5", CT 2.5"
Armament:
8-5" (4x2) 4-4"AA, 8-.5"AA 12-21"TT (4x3)

As refitted 1934-1938
Displacement:
4,670t standard
Dimensions:
430ft x 47ft x 16.5ft
Machinery:
2-shaft Geared Turbine 30.3kts Range 5000@12kts
Armour:
Belt 4", Deck 2.5", Turrets 1"
Armament:
8-5" DP (4x2) 12-40mm AA (6x2), 12-20mm AA (6x2) 8-21" TT (2x4)[/list]

[size=2]Psara Class Light Cruiser[/size]
[list]
C-30 Psara Laid Down 01/Jan/30 Entered service 19/Nov/31
C-31 Spetsai Laid Down 17/Sep/30 Entered service 04/Aug/32
C-33 Lefkosia Laid Down 01/Jul/34 Entered service 18/May/36
C-34 Kontostephanos Laid Down 01/Oct/36 Entered service 27/Feb/38
C-35 Oöryphas Laid Down 01/Oct/36 Entered service 27/Feb/38

Displacement:
8,280t standard
Dimensions:
585ft x 63ft x 18ft
Machinery:
4-shaft Turbine 30.5kts Range 9000@15kts
Armour:
Belt 5", Deck 2.1", Turrets 3"
Armament:
8-6" (4x2) 8-5" AA (4x2), 12-2pdr AA , 12-.5"AA, 12-21" TT (4x3)
[/list]

[size=2]Konstantinoupolis Class Medium Cruiser[/size]
[list]
C-32 Konstantinoupolis Laid Down 01/Oct/32 Entered service 06/Apr/35
C-36 Gaugamela Laid Down 01/Jan/38 Entered Service 20/Jan/40

Displacement:
16,125t standard
Dimensions:
664ft x 76ft x 26ft
Machinery:
4-shaft Turbine 31.5kts Range 11000@15kts
Armour:
Belt 8", Deck 5.2", Turrets 6"
Armament:
12-6" (6x2) 16-5" AA (8x2), 16-2pdr AA , 16-.5"AA, 8-21" TT (2x4)
[/list]

[size=2]Hydra Class Heavy Cruiser[/size]
[list]
C-37 Hydra Laid Down 06/Apr/40
C-40 Artemis Laid Down 04/Oct/41

Displacement:
15,700t standard
Dimensions:
657ft x 70ft x 25ft
Machinery:
4-shaft Turbine 32kts Range 8,000@18kts
Armor:
Belt 6", Deck 3.25", Turrets 6"
Armament:
12-8" (4x3) 8-5"DP (4x2) 24-2pdr AA 20-25mm AA
[/list]

[size=2]Ares Class Light Cruiser[/size]
[list]
C-38 Ares Laid Down 01/Apr/40
C-39 Apollo Laid Down 07/Apr/41

Displacement:
9,000t standard
Dimensions:
557ft x 62ft x 19.5ft
Machinery:
4-shaft Turbine 33kts Range 7,500@16kts
Armor:
Belt 3", Deck 2", Turrets 3"
Armament:
12-6" (4x3) 8-5"DP (4x2) 24-2pdr AA 12-25mm AA 10-21" TT
[/list]

[size=2]Geryon Class Heavy Cruiser[/size]
[list]
C-41 Geryon Laid down 01/Jul/42
C-42 Typhon Laid down 01/Jul/42

Displacement:
13,500t standard (13,516t actual)
Dimensions:
656ft x 69ft x 23.5ft
Machinery:
4-shaft Turbine 32kts Range 8,530@ 18kts
Armor:
Belt 6", Deck 2.4", Turrets 6"
Armament:
12-8" (4x3) 8-5" DP (4x2) 24-40mm (6x4) 20-25mm (10x2)
[/list]

[size=2]Hephaestus Class Light Cruiser[/size]
[list]
C-43 Hephaestus Laid down 02/Jul/42
C-44 Dionysis Laid down 01/Jul/42
C-45 Hera Laid down 03/Jul/42

Displacement:
9,500t standard (9,522t actual)
Dimensions:
557ft x 62ft x 20ft
Machinery:
4-shaft Turbine 33kts 7,500 Range @16kts
Armor:
Belt 4.5", Deck 2", Turrets 5"
Armament:
12-6" (4x3) 8-5" DP (4x2) 24-40mm (6x4) 8-25mm (4x2) 8-24"TT (4x2)
[/list]

[size=3]FORMER CRUISERS[/size]

[size=2]Kypris Class Battlecruiser[/size]
[list]
C-6 Kypris (ex Evamon) (Laid Down 1-Jul-09 Entered Service 28/Oct/12) (refitted) 1919, Major Refit 1936, sold to Atlantis 1940
C-7 Makedonia (ex Azaes) (Laid Down 2-Jul-09 Entered Service 14/Oct/12) (refitted) 1919, Major Refit 1936, sold to Atlantis 1940

Displacement:
26,391t standard
Dimensions:
702ft x 88ft x 26ft
Machinery:
4-shaft turbine 27.2kts Range 6000@15kts
Armour:
Belt 10"-6", Deck 2", Turrets 10" casemates 4", CT 10" torp bulkhead 1.5"
Armament:
8-12" (4x2) 16-5.5", 2-21"subTT

As reconstructed 1936-38
Displacement:
26,391t standard
Dimensions:
702ft x 88ft x 26ft
Machinery:
4-shaft turbine 27.2kts Range 6000@15kts
Armour:
Belt 10"-3", Deck 4", Turrets 10" , CT 10" torp bulkhead 1.5"
Armament:
8-12" (4x2), 12-5" (6x2), 10-5" AA (10x1)

[/list]

[size=2]Pericles Class Protected Cruiser[/size]
[list]
C-1 Pericles Laid Down 1-Jan-03 Entered service 21/Nov/04 (converted to aircraft carrier)
Scrapped
C-2 Ródhos ex Themistoklis Laid Down 14-Jul-04 Entered service 04/Jun/06
Scrapped
C-3 Lárisa ex Agamemnon Laid Down 20-Feb-05 Entered service 11/Jan/07
Scrapped

Displacement:
8,448t standard
Dimensions:
495ft x 51ft x 19.5ft
Machinery:
2-shaft Reciprocal 22.3kts Range 5600@10kts
Armour:
Belt 3", Deck 2", Turrets 4" casemates 2", CT 5"
Armament:
8-7" (4x2) 12-3", 3-18"subTT
[/list]


[size=2]Athinai Class Escort Cruiser [/size]
[list]
C-19 Athinai Laid Down 1-Jan-25 Entered service 20/Sep/26 Sold to China 1942
C-20 Pátrai Laid Down 1-Oct-26 Entered service 19/Jun/28 Sold to China 1942
C-23 Piraiévs Laid Down 1-Sep-26 Entered service 20/May/28 Sold to China 1942
C-24 Smirni Laid Down 01/Jan/27 Entered service 19/Sep/28 Sold to China 1942
C-25 Thessaloniki Laid Down 01/Oct/27 Entered service 19/Jun/29 Sold to China 1942
C-26 Iraklion Laid Down 01/Oct/28 Entered service 20/Jun/30 Sold to China 1942

Displacement:
5,996t standard
Dimensions:
490ft x 57ft x 16.9ft
Machinery:
2-shaft Turbine 24kts Range 5000@12kts
Armour:
Belt 5.5", Deck 3.5", Turrets 6", CT 6"
Armament:
8-6" (4x2) 4-5" AA (4x1), 24-2pdr AA , 12-.5"AA, 12-21" TT (4x3)
[/list]

This post has been edited 26 times, last edit by "Sachmle" (Aug 21st 2013, 2:56am)


2

Thursday, September 2nd 2010, 4:22am

Pre-WWI Armoured Cruisers

[size=3]RHN C-4 Helle Class, Greek Heavy Cruiser laid down 1909[/size]

[list]
C-4 Helle Laid Down 01/Jul/09 Entered Service 19/Sep/11 (reconstructed) 01/Jan/27 to 09/Oct/28 (reconstructed) 02/Jan/44 to ?
C-5 Kriti Laid Down 08/May/10 Entered Service 26/Jul/12 (reconstructed) 01/Jan/28 to 09/Oct/29 (reconstructed) 02/Jan/44 to ?


Helle as completed 1912


Kriti in 1925 prior to her rebuild.

Large cruisers built with American assistance in Greek shipyards. These ships were to counter the growth of the Turkish navy. Turkey countered with a Dreadnought built in Italy.

Displacement:
12,291 t light; 12,884 t standard; 15,377 t normal; 17,310 t full load
Loading submergence 743 tons/feet

Dimensions:
600.00 ft x 69.00 ft x 26.00 ft (normal load)
182.88 m x 21.03 m x 7.92 m

Armament:
10 - 8.00" / 203 mm guns (5 Main turrets x 2 guns, 2 superfiring turrets)
12 - 5.00" / 127 mm guns
Secondary guns mounted low & subject to being washed down in a seaway
8 - 3.00" / 76 mm QF guns
Weight of broadside 3,418 lbs / 1,550 kg
4 - 21.0" / 533.4 mm submerged torpedo tubes

Armour:
Belt 8.00" / 203 mm, end belts 2.00" / 51 mm
Belts cover 88 % of normal area
Main turrets 8.00" / 203 mm, 2nd casemates 2.00" / 51 mm
Armour deck 2.20" / 56 mm, Conning tower 10.00" / 254 mm
Machinery: Coal fired boilers, steam turbines,
Direct drive, 4 shafts, 58,349 shp / 43,529 Kw = 27.20 kts
Range 6,000nm at 15.00 kts

Complement:
690 - 897

Cost:
£1.198 million / $4.790 million

Distribution of weights at normal Displacement:
Armament: 427 tons, 2.8 % Armour: 3,678 tons, 23.9 %
Belts: 1,274 tons, 8.3 %, Armament: 1,211 tons, 7.9 %, Armour Deck: 1,059 tons, 6.9 %
Conning Tower: 133 tons, 0.9 %, Torpedo bulkhead: 0 tons, 0.0 % Machinery: 2,917 tons, 19.0 %
Hull, fittings & equipment: 5,269 tons, 34.3 %
Fuel, ammunition & stores: 3,086 tons, 20.1 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 3.2

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.05
Shellfire needed to sink: 16,928 lbs / 7,678 Kg = 66.1 x 8.0 " / 203 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.0
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.53
Relative quality as seaboat: 1.20

Hull form characteristics:
Block coefficient: 0.500
Sharpness coefficient: 0.35
Hull speed coefficient 'M': 7.38
'Natural speed' for length: 24.49 kts
Power going to wave formation at top speed: 50 %
Trim: 59
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 87.1 %
Relative accommodation and working space: 129.3 %
(Average = 100%)
Displacement factor: 119 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.98
(Structure weight / hull surface area: 124 lbs / square foot or 608 Kg / square metre)
Relative longitudinal hull strength: 1.25
(for 18.00 ft / 5.49 m average freeboard, freeboard adjustment 1.50 ft)
Relative composite hull strength: 1.00

[/list]


[size=3]RHN C-4 Helle Class, Greek Heavy Cruiser - as rebuilt laid down 1927[/size]
[list]

Helle as rebuilt 1929.

Displacement:
12,813 t light; 13,375 t standard; 14,194 t normal; 14,793 t full load
Loading submergence 743 tons/feet

Dimensions:
600.00 ft x 69.00 ft x 24.00 ft (normal load)
182.88 m x 21.03 m x 7.32 m

Armament:
10 - 8.00" / 203 mm guns (5 Main turrets x 2 guns, 2 superfiring turrets)
8 - 5.00" / 127 mm guns
8 - 4.00" / 102 mm AA guns
12 - 1.50" / 38 mm guns
Weight of broadside 3,336 lbs / 1,513 kg
8 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 8.00" / 203 mm, end belts 2.00" / 51 mm
Belts cover 88 % of normal area
Main turrets 8.00" / 203 mm, 2nd gun shields 2.00" / 51 mm
Armour deck 2.20" / 56 mm, Conning tower 10.00" / 254 mm
Machinery: Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 87,540 shp / 65,305 Kw = 30.50 kts
Range 5,000nm at 15.00 kts

Complement:
650 - 845

Cost:
£4.311 million / $17.245 million

Distribution of weights at normal Displacement:
Armament: 417 tons, 2.9 % Armour: 3,825 tons, 26.9 %
Belts: 1,274 tons, 9.0 %, Armament: 1,365 tons, 9.6 %, Armour Deck: 1,059 tons, 7.5 %
Conning Tower: 126 tons, 0.9 %, Torpedo bulkhead: 0 tons, 0.0 % Machinery: 2,763 tons, 19.5 %
Hull, fittings & equipment: 5,808 tons, 40.9 %
Fuel, ammunition & stores: 1,381 tons, 9.7 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 3.2

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.06
Shellfire needed to sink: 18,995 lbs / 8,616 Kg = 74.2 x 8.0 " / 203 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 51 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.61
Relative quality as seaboat: 1.24

Hull form characteristics:
Block coefficient: 0.500
Sharpness coefficient: 0.35
Hull speed coefficient 'M': 7.58
'Natural speed' for length: 24.49 kts
Power going to wave formation at top speed: 56 %
Trim: 41
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 86.3 %
Relative accommodation and working space: 158.6 %
(Average = 100%)
Displacement factor: 112 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.94
(Structure weight / hull surface area: 130 lbs / square foot or 635 Kg / square metre)
Relative longitudinal hull strength: 1.72
(for 24.00 ft / 7.32 m average freeboard, freeboard adjustment 7.76 ft)
Relative composite hull strength: 1.00

[SIZE=3]Helle Class, Greek Heavy Cruiser after 1944 reconstruction[/SIZE]

Displacement:
12,663 t light; 13,453 t standard; 14,182 t normal; 14,765 t full load

Dimensions: Length overall / water x beam x draught
610.67 ft / 600.00 ft x 69.00 ft x 24.00 ft (normal load)
186.13 m / 182.88 m x 21.03 m x 7.32 m

Armament:
10 - 8.00" / 203 mm guns (5x2 guns), 300.00lbs / 136.08kg shells, 1941 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, majority aft, 2 raised mounts - superfiring
8 - 5.00" / 127 mm guns (4x2 guns), 59.90lbs / 27.17kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 2 raised mounts - superfiring
8 - 1.57" / 40.0 mm guns (4x2 guns), 2.00lbs / 0.91kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
12 - 1.57" / 40.0 mm guns (6x2 guns), 2.00lbs / 0.91kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on centreline, all aft, all raised mounts - superfiring
6 - 0.98" / 25.0 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1939 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 3,522 lbs / 1,598 kg
Shells per gun, main battery: 250

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.00" / 203 mm 345.00 ft / 105.16 m 16.00 ft / 4.88 m
Ends: Unarmoured
Main Belt covers 88 % of normal length

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

- Armour deck: 2.20" / 56 mm, Conning tower: 10.00" / 254 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 87,400 shp / 65,201 Kw = 30.50 kts
Range 5,000nm at 15.00 kts
Bunker at max displacement = 1,312 tons

Complement:
649 - 844

Cost:
£1.081 million / $4.325 million

Distribution of weights at normal displacement:
Armament: 388 tons, 2.7 %
Armour: 4,183 tons, 29.5 %
- Belts: 1,902 tons, 13.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1,032 tons, 7.3 %
- Armour Deck: 1,122 tons, 7.9 %
- Conning Tower: 126 tons, 0.9 %
Machinery: 2,232 tons, 15.7 %
Hull, fittings & equipment: 5,713 tons, 40.3 %
Fuel, ammunition & stores: 1,519 tons, 10.7 %
Miscellaneous weights: 148 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
22,033 lbs / 9,994 Kg = 86.1 x 8.0 " / 203 mm shells or 2.5 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 3.3 ft / 1.0 m
Roll period: 15.9 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.66
Seaboat quality (Average = 1.00): 1.15

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.500
Length to Beam Ratio: 8.70 : 1
'Natural speed' for length: 24.49 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 44
Bow angle (Positive = bow angles forward): 20.86 degrees
Stern overhang: -4.67 ft / -1.42 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.00 ft / 8.53 m
- Forecastle (19 %): 24.00 ft / 7.32 m
- Mid (75 %): 24.00 ft / 7.32 m (14.00 ft / 4.27 m aft of break)
- Quarterdeck (18 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 21.78 ft / 6.64 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 75.9 %
- Above water (accommodation/working, high = better): 184.9 %
Waterplane Area: 27,573 Square feet or 2,562 Square metres
Displacement factor (Displacement / loading): 119 %
Structure weight / hull surface area: 129 lbs/sq ft or 632 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.68
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent

Breakdown of Misc Weight
Surface/Air Search teledetector: 5 tons
Air Search Teledetector: 5 tons
Fire-Control Teledetector: 5 tons
Gunnery Computer: 10 tons
Emergency Electrical Generator Set: 5 tons
2xLeO-400 Floatplanes: 50 tons
1000g AvGas for Floatplanes: 3 tons
Reinforced Quarterdeck for Aircfaft Handling Facilities: 30 tons
Aircraft Crane: 25 tons
Quarters for Aircrew: 8 tons
Ammo for Floatplanes: 2 tons
[/list]

This post has been edited 4 times, last edit by "Sachmle" (Aug 21st 2013, 2:54am)


3

Thursday, September 2nd 2010, 4:24am

1920's Treaty Cruisers

[size=3]RHN C-8 Eurybiades Class, Greek Scout Cruiser laid down 1923[/size]
[list]
C-8 Eurybiades Laid Down 1-Jan-21 Entered service 09/Aug/22 (refitted 01/Oct/34 to 1/Mar/36)
C-9 Alcibiades Laid Down 15-Jan-21 Entered service 23/Aug/22 (refitted 01/Oct/34 to 01/Mar/36)
C-10 Leonidas Laid Down 3-Jul-21 Entered service 08/Feb/23 (refitted 01/Jul/35 to 29/Nov/36)
C-11 Miltiades Laid Down 2-Feb-22 Entered service 10/Sep/23 (refitted 28/Nov/35 to 28/Apr/37)
C-12 Nearchus Laid Down 1-Mar-22 Entered service 07/Oct/23 (refitted 26/Apr/36 to 25/Sep/37)
C-13 Aristides Laid Down 2-Feb-23 Entered service 9/Sep/24 (refitted 01/Jul/35 to 29/Nov/36)
C-14 Thucydides Laid Down 1-Mar-23 Entered service 06/Oct/24 (refitted 28/Nov/35 to 28/Apr/37)
C-15 Agamemnon Laid Down 4-Aug-23 Entered service 11/Mar/25 (refitted 26/Apr/36 to 25/Sep/37)
C-16 Themistoklis Laid Down 2-Feb-24 Entered service 09/Sep/25 (refitted 23/Sep/36 to 22/Feb/38)


Eurybiades as rebuilt 1937.

Built as a stop gap scout cruiser design to fill the gap in ships of sufficent size for policing and scouting.

These vessels have been rebuilt in 1936-38 as light cruisers with a DP main armament.

RHN C-8 Eurybiades Class, Greek Light Cruiser laid down 1923 (Engine 1934)

Displacement:
4,510 t light; 4,670 t standard; 4,926 t normal; 5,131 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(430.00 ft / 430.00 ft) x 47.00 ft x (16.50 / 17.02 ft)
(131.06 m / 131.06 m) x 14.33 m x (5.03 / 5.19 m)

Armament:
8 - 5.00" / 127 mm 40.0 cal guns - 59.90lbs / 27.17kg shells, 150 per gun
Breech loading guns in turret on barbette mounts , 1934 Model
4 x 2-gun mounts on centreline ends, evenly spread
12 - 1.57" / 40.0 mm 45.0 cal guns - 1.97lbs / 0.89kg shells, 1,000 per gun
Breech loading guns in deck mounts , 1934 Model
6 x Twin mounts on sides, evenly spread
12 - 0.79" / 20.0 mm 45.0 cal guns - 0.25lbs / 0.11kg shells, 5,000 per gun
Machine guns in deck mounts , 1923 Model
6 x Twin mounts on sides, evenly spread
Weight of broadside 506 lbs / 506 kg
8 - 21.0" / 533 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 300.00 ft / 91.44 m 8.50 ft / 2.59 m
Ends: Unarmoured
Main Belt covers 107 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm 1.00" / 25 mm 1.00" / 25 mm

- Armour deck: 2.50" / 64 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 51,392 shp / 38,338 Kw = 30.30 kts
Range 5,000nm at 12.00 kts
Bunker at max displacement = 461 tons

Complement:
293 - 382

Cost:
£1.185 million / $4.739 million

Distribution of weights at normal displacement:
Armament: 128 tons, 2.6 %
Armour: 1,119 tons, 22.7 %
- Belts: 423 tons, 8.6 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 63 tons, 1.3 %
- Armour Deck: 633 tons, 12.8 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,478 tons, 30.0 %
Hull, fittings & equipment: 1,827 tons, 37.1 %
Fuel, ammunition & stores: 416 tons, 8.4 %
Miscellaneous weights: 35 tons, 0.7 %
- Hull below water: 35 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
5,775 lbs / 2,619 Kg = 92.4 x 5.0 " / 127 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 2.3 ft / 0.7 m
Roll period: 13.1 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.28
Seaboat quality (Average = 1.00): 1.12

Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.517 / 0.522
Length to Beam Ratio: 9.15 : 1
'Natural speed' for length: 20.74 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0.00 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 %, 20.50 ft / 6.25 m, 19.50 ft / 5.94 m
- Forward deck: 30.00 %, 19.50 ft / 5.94 m, 18.50 ft / 5.64 m
- Aft deck: 35.00 %, 18.50 ft / 5.64 m, 17.00 ft / 5.18 m
- Quarter deck: 15.00 %, 17.00 ft / 5.18 m, 15.50 ft / 4.72 m
- Average freeboard: 18.33 ft / 5.59 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 107.0 %
- Above water (accommodation/working, high = better): 118.5 %
Waterplane Area: 13,677 Square feet or 1,271 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 75 lbs/sq ft or 366 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.34
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate

As Built 1923
RHN C-8 Eurybiades Class, Greek Light Cruiser laid down 1923

Displacement:
4,501 t light; 4,652 t standard; 4,926 t normal; 5,125 t full load
Loading submergence 371 tons/feet

Dimensions:
430.00 ft x 47.00 ft x 16.50 ft (normal load)
131.06 m x 14.33 m x 5.03 m

Armament:
8 - 5.00" / 127 mm guns (4 Main turrets x 2 guns, 2 superfiring turrets)
4 - 4.00" / 102 mm AA guns
8 - 0.50" / 13 mm guns
Weight of broadside 629 lbs / 285 kg
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 4.00" / 102 mm, ends unarmoured
Belts cover 110 % of normal area
Main turrets 2.50" / 64 mm
Armour deck 2.50" / 64 mm, Conning tower 2.50" / 64 mm
Machinery: Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 42,844 shp / 31,962 Kw = 29.00 kts
Range 5,000nm at 12.00 kts

Complement:
293 - 382

Cost:
£1.234 million / $4.934 million

Distribution of weights at normal Displacement:
Armament: 79 tons, 1.6 % Armour: 1,202 tons, 24.4 %
Belts: 418 tons, 8.5 %, Armament: 167 tons, 3.4 %, Armour Deck: 601 tons, 12.2 %
Conning Tower: 16 tons, 0.3 %, Torpedo bulkhead: 0 tons, 0.0 % Machinery: 1,432 tons, 29.1 %
Hull, fittings & equipment: 1,789 tons, 36.3 %
Fuel, ammunition & stores: 424 tons, 8.6 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 1.9

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.08
Shellfire needed to sink: 5,137 lbs / 2,330 Kg = 82.2 x 5.0 " / 127 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.0
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.44
Relative quality as seaboat: 1.20

Hull form characteristics:
Block coefficient: 0.517
Sharpness coefficient: 0.35
Hull speed coefficient 'M': 7.73
'Natural speed' for length: 20.74 kts
Power going to wave formation at top speed: 61 %
Trim: 58
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 106.9 %
Relative accommodation and working space: 91.3 %
(Average = 100%)
Displacement factor: 105 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.90
(Structure weight / hull surface area: 78 lbs / square foot or 382 Kg / square metre)
Relative longitudinal hull strength: 1.78
(for 18.30 ft / 5.58 m average freeboard, freeboard adjustment 5.16 ft)
Relative composite hull strength: 0.96
[/list]

This post has been edited 1 times, last edit by "Sachmle" (Sep 2nd 2010, 4:24am)


4

Thursday, September 2nd 2010, 4:27am

More 1920's Treaty Cruisers

[size=3]RHN C-19 Athinai Class, Greek Escort Cruiser laid down 1925[/size] - All ships sold
[list]
C-19 Athinai Laid Down 1-Jan-25 Entered service 20/Sep/26
C-20 Pátrai Laid Down 1-Oct-26 Entered service 19/Jun/28
C-23 Piraiévs Laid Down 1-Sep-26 Entered service 20/May/28
C-24 Smirni Laid Down 01/Jan/27 Entered service 19/Sep/28
C-25 Thessaloniki Laid Down 01/Oct/27 Entered service 19/Jun/29
C-26 Iraklion Laid Down 01/Oct/28 Entered service 20/Jun/30

Built to comply with the Clieto Treaty and to give the navy more cruiser size ships. These ships introduced the powered 6" twin mount to deal with fast moving targets.

Displacement:
5,774 t light; 5,997 t standard; 6,312 t normal; 6,538 t full load
Loading submergence 480 tons/feet

Dimensions:
490.00 ft x 57.00 ft x 16.90 ft (normal load)
149.35 m x 17.37 m x 5.15 m

Armament:
8 - 6.00" / 152 mm guns (4 Main turrets x 2 guns, 2 superfiring turrets)
4 - 5.00" / 127 mm guns (4 2nd turrets x 1 guns)
24 - 1.57" / 40 mm AA guns
12 - 0.50" / 13 mm guns
Weight of broadside 1,162 lbs / 527 kg
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 5.50" / 140 mm, ends unarmoured
Belts cover 63 % of normal area
Main turrets 6.00" / 152 mm
Armour deck 3.50" / 89 mm, Conning tower 6.00" / 152 mm
Machinery: Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 22,031 shp / 16,435 Kw = 24.00 kts
Range 5,000nm at 12.00 kts

Complement:
354 - 460

Cost:
£1.388 million / $5.553 million

Distribution of weights at normal Displacement:
Armament: 145 tons, 2.3 % Armour: 2,008 tons, 31.8 %
Belts: 416 tons, 6.6 %, Armament: 460 tons, 7.3 %, Armour Deck: 1,087 tons, 17.2 %
Conning Tower: 44 tons, 0.7 %, Torpedo bulkhead: 0 tons, 0.0 % Machinery: 715 tons, 11.3 %
Hull, fittings & equipment: 2,486 tons, 39.4 %
Fuel, ammunition & stores: 537 tons, 8.5 %
Miscellaneous weights: 420 tons, 6.7 %

Metacentric height 2.4

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.05
Shellfire needed to sink: 11,030 lbs / 5,003 Kg = 102.1 x 6.0 " / 152 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 2.3
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 74 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.37
Relative quality as seaboat: 1.41

Hull form characteristics:
Block coefficient: 0.468
Sharpness coefficient: 0.34
Hull speed coefficient 'M': 8.11
'Natural speed' for length: 22.14 kts
Power going to wave formation at top speed: 46 %
Trim: 52
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 62.7 %
Relative accommodation and working space: 95.4 %
(Average = 100%)
Displacement factor: 126 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.98
(Structure weight / hull surface area: 95 lbs / square foot or 464 Kg / square metre)
Relative longitudinal hull strength: 1.23
(for 15.00 ft / 4.57 m average freeboard, freeboard adjustment 1.19 ft)
Relative composite hull strength: 1.00[/list]

This post has been edited 1 times, last edit by "Sachmle" (Aug 21st 2013, 8:05am)


5

Thursday, September 2nd 2010, 4:31am

1930's Cruisers

[size=3]RHN C-30 Psara, Greek Light Cruiser laid down 1930[/size]

Displacement:
7,928 t light; 8,280 t standard; 9,340 t normal; 10,187 t full load

Dimensions:
Length overall / water x beam x draught
585.63 ft / 580.00 ft x 63.00 ft x 18.00 ft (normal load)
178.50 m / 176.78 m x 19.20 m x 5.49 m

Armament:
8 - 6.00" / 152 mm guns (4x2 guns), 108.00lbs / 48.99kg shells, 1930 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 5.00" / 127 mm guns (2x2 guns), 62.50lbs / 28.35kg shells, 1930 Model
Anti-aircraft guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts
4 - 5.00" / 127 mm guns (2x2 guns), 62.50lbs / 28.35kg shells, 1930 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
8 - 1.57" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.88kg shells, 1930 Model
Quick firing guns in deck mounts
on side, evenly spread, all raised mounts
12 - 0.50" / 12.7 mm guns (6x2 guns), 0.06lbs / 0.03kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1,380 lbs / 626 kg
Shells per gun, main battery: 200
12 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.00" / 127 mm 314.00 ft / 95.71 m 9.52 ft / 2.90 m
Ends: Unarmoured
Main Belt covers 83 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 4.00" / 102 mm

- Armour deck: 2.10" / 53 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 59,081 shp / 44,075 Kw = 30.50 kts
Range 9,000nm at 15.00 kts
Bunker at max displacement = 1,907 tons

Complement:
474 - 617

Cost:
£2.815 million / $11.258 million

Distribution of weights at normal displacement:
Armament: 173 tons, 1.8 %
Armour: 1,840 tons, 19.7 %
- Belts: 647 tons, 6.9 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 213 tons, 2.3 %
- Armour Deck: 981 tons, 10.5 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,790 tons, 19.2 %
Hull, fittings & equipment: 3,644 tons, 39.0 %
Fuel, ammunition & stores: 1,412 tons, 15.1 %
Miscellaneous weights: 480 tons, 5.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
15,057 lbs / 6,830 Kg = 139.4 x 6.0 " / 152 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.30
Metacentric height 4.0 ft / 1.2 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 48 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.497
Length to Beam Ratio: 9.21 : 1
'Natural speed' for length: 27.67 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.00 ft / 6.40 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (62 %): 20.00 ft / 6.10 m (12.00 ft / 3.66 m aft of break)
- Quarterdeck (20 %): 12.00 ft / 3.66 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 17.04 ft / 5.19 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83.2 %
- Above water (accommodation/working, high = better): 138.1 %
Waterplane Area: 25,247 Square feet or 2,346 Square metres
Displacement factor (Displacement / loading): 128 %
Structure weight / hull surface area: 101 lbs/sq ft or 493 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.11
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent

6

Thursday, September 2nd 2010, 4:36am

Large Cruisers

[size=3]RHN C-32 Konstantinoupolis Class, Greek Large Cruiser laid down 1932[/size]

RHN C-32 Konstantinoupolis Laid Down 01/Oct/32 Entered Service 06/Apr/35
RHN C-36 Gaugamela Laid Down 01/Jan/38 Entered Service 20/Jan/40



Displacement:
15,573 t light; 16,125 t standard; 17,994 t normal; 19,489 t full load

Dimensions: Length overall / water x beam x draught
664.00 ft / 664.00 ft x 76.00 ft x 26.00 ft (normal load)
202.39 m / 202.39 m x 23.16 m x 7.92 m

Armament:
12 - 6.00" / 152 mm guns (6x2 guns), 108.00lbs / 48.99kg shells, 1932 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 5.00" / 127 mm guns (6x2 guns), 62.50lbs / 28.35kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
4 - 5.00" / 127 mm guns (2x2 guns), 62.50lbs / 28.35kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts
16 - 1.57" / 40.0 mm guns (8x2 guns), 1.95lbs / 0.88kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.79" / 20.0 mm guns (8x2 guns), 0.24lbs / 0.11kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 2,331 lbs / 1,057 kg
Shells per gun, main battery: 135
8 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 8.00" / 203 mm 462.00 ft / 140.82 m 10.00 ft / 3.05 m
Ends: Unarmoured
Main Belt covers 107 % of normal length

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

- Armour deck: 5.20" / 132 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 94,721 shp / 70,662 Kw = 31.50 kts
Range 11,000nm at 15.00 kts
Bunker at max displacement = 3,365 tons

Complement:
776 - 1,009

Cost:
£5.369 million / $21.477 million

Distribution of weights at normal displacement:
Armament: 291 tons, 1.6 %
Armour: 5,579 tons, 31.0 %
- Belts: 1,537 tons, 8.5 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 740 tons, 4.1 %
- Armour Deck: 3,302 tons, 18.4 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 2,796 tons, 15.5 %
Hull, fittings & equipment: 6,307 tons, 35.1 %
Fuel, ammunition & stores: 2,421 tons, 13.5 %
Miscellaneous weights: 600 tons, 3.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
31,533 lbs / 14,303 Kg = 292.0 x 6.0 " / 152 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 4.1 ft / 1.2 m
Roll period: 15.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.33
Seaboat quality (Average = 1.00): 1.22

Hull form characteristics:
Hull has low forecastle, rise forward of midbreak
and transom stern
Block coefficient: 0.480
Length to Beam Ratio: 8.74 : 1
'Natural speed' for length: 29.80 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.00 ft / 7.92 m
- Forecastle (20 %): 19.00 ft / 5.79 m (26.00 ft / 7.92 m aft of break)
- Mid (77 %): 22.00 ft / 6.71 m (15.00 ft / 4.57 m aft of break)
- Quarterdeck (15 %): 15.00 ft / 4.57 m
- Stern: 15.00 ft / 4.57 m
- Average freeboard: 21.49 ft / 6.55 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 67.4 %
- Above water (accommodation/working, high = better): 171.8 %
Waterplane Area: 34,327 Square feet or 3,189 Square metres
Displacement factor (Displacement / loading): 128 %
Structure weight / hull surface area: 121 lbs/sq ft or 592 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.40
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

This post has been edited 2 times, last edit by "Sachmle" (Nov 1st 2011, 3:08am)


7

Friday, January 27th 2012, 2:13am

Ares Class

Ares, Greek Light Cruiser laid down 1940

Displacement:
8,650 t light; 9,137 t standard; 10,172 t normal; 11,000 t full load

Dimensions: Length overall / water x beam x draught
570.00 ft / 557.00 ft x 62.00 ft x 19.50 ft (normal load)
173.73 m / 169.77 m x 18.90 m x 5.94 m

Armament:
12 - 6.00" / 152 mm guns (4x3 guns), 115.00lbs / 52.16kg shells, 1940 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 5.00" / 127 mm guns (4x2 guns), 60.00lbs / 27.22kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.57" / 40.0 mm guns (4x4 guns), 2.00lbs / 0.91kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
8 - 1.57" / 40.0 mm guns (2x4 guns), 2.00lbs / 0.91kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts
8 - 0.98" / 25.0 mm guns (4x2 guns), 0.50lbs / 0.23kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread, all raised mounts - superfiring
Weight of broadside 1,912 lbs / 867 kg
Shells per gun, main battery: 250
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 362.00 ft / 110.34 m 11.45 ft / 3.49 m
Ends: Unarmoured
Main Belt covers 100 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 2.00" / 51 mm 0.50" / 13 mm 1.00" / 25 mm
3rd: - 0.38" / 10 mm -
4th: - 0.38" / 10 mm -
5th: 0.50" / 13 mm - -

- Armour deck: 2.00" / 51 mm, Conning tower: 3.00" / 76 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 93,000 shp / 69,378 Kw = 32.22 kts
Range 7,500nm at 16.00 kts
Bunker at max displacement = 1,863 tons

Complement:
506 - 658

Cost:
£5.069 million / $20.275 million

Distribution of weights at normal displacement:
Armament: 231 tons, 2.3 %
Armour: 1,845 tons, 18.1 %
- Belts: 698 tons, 6.9 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 243 tons, 2.4 %
- Armour Deck: 874 tons, 8.6 %
- Conning Tower: 30 tons, 0.3 %
Machinery: 2,487 tons, 24.4 %
Hull, fittings & equipment: 4,010 tons, 39.4 %
Fuel, ammunition & stores: 1,522 tons, 15.0 %
Miscellaneous weights: 77 tons, 0.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
12,672 lbs / 5,748 Kg = 117.3 x 6.0 " / 152 mm shells or 1.6 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 %): 68 %
- Recoil effect (Restricted arc if above 1.00): 0.56
Seaboat quality (Average = 1.00): 1.05

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.529
Length to Beam Ratio: 8.98 : 1
'Natural speed' for length: 23.60 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 65
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 2.44 ft / 0.74 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.00 ft / 8.84 m
- Forecastle (20 %): 25.00 ft / 7.62 m
- Mid (50 %): 25.00 ft / 7.62 m (17.00 ft / 5.18 m aft of break)
- Quarterdeck (15 %): 17.00 ft / 5.18 m
- Stern: 17.00 ft / 5.18 m
- Average freeboard: 21.32 ft / 6.50 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 99.4 %
- Above water (accommodation/working, high = better): 145.7 %
Waterplane Area: 23,626 Square feet or 2,195 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 106 lbs/sq ft or 517 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.67
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent

Ares Laid down 1940
Apollo Laid down 1941

This post has been edited 1 times, last edit by "Sachmle" (Feb 10th 2012, 10:51pm)


8

Friday, January 27th 2012, 2:15am

Hydra Class CAs

RHN Hydra, Greek Heavy Cruiser laid down 1940

Displacement:
15,000 t light; 15,709 t standard; 17,585 t normal; 19,085 t full load

Dimensions: Length overall / water x beam x draught
668.04 ft / 657.00 ft x 70.00 ft x 25.00 ft (normal load)
203.62 m / 200.25 m x 21.34 m x 7.62 m

Armament:
12 - 8.00" / 203 mm guns (4x3 guns), 300.00lbs / 136.08kg shells, 1940 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 5.00" / 127 mm guns (4x2 guns), 62.00lbs / 28.12kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
24 - 1.57" / 40.0 mm guns (6x4 guns), 2.00lbs / 0.91kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
20 - 0.98" / 25.0 mm guns (10x2 guns), 0.50lbs / 0.23kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 4,154 lbs / 1,884 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 436.00 ft / 132.89 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 102 % of normal length

- Torpedo Bulkhead:
1.75" / 44 mm 436.00 ft / 132.89 m 24.00 ft / 7.32 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6.00" / 152 mm 3.00" / 76 mm 4.00" / 102 mm
2nd: 2.00" / 51 mm 0.50" / 13 mm 1.00" / 25 mm
3rd: - 0.50" / 13 mm -
4th: 0.50" / 13 mm - -

- Armour deck: 3.25" / 83 mm, Conning tower: 3.00" / 76 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 102,095 shp / 76,163 Kw = 32.00 kts
Range 8,000nm at 18.00 kts
Bunker at max displacement = 3,376 tons

Complement:
763 - 992

Cost:
£7.729 million / $30.916 million

Distribution of weights at normal displacement:
Armament: 454 tons, 2.6 %
Armour: 4,703 tons, 26.7 %
- Belts: 1,312 tons, 7.5 %
- Torpedo bulkhead: 678 tons, 3.9 %
- Armament: 689 tons, 3.9 %
- Armour Deck: 1,981 tons, 11.3 %
- Conning Tower: 44 tons, 0.2 %
Machinery: 2,730 tons, 15.5 %
Hull, fittings & equipment: 6,864 tons, 39.0 %
Fuel, ammunition & stores: 2,585 tons, 14.7 %
Miscellaneous weights: 250 tons, 1.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29,045 lbs / 13,175 Kg = 113.5 x 8.0 " / 203 mm shells or 4.2 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 3.6 ft / 1.1 m
Roll period: 15.5 seconds
Steadiness - As gun platform (Average = 50 %): 62 %
- Recoil effect (Restricted arc if above 1.00): 0.78
Seaboat quality (Average = 1.00): 1.26

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.535
Length to Beam Ratio: 9.39 : 1
'Natural speed' for length: 29.28 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 49
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.00 ft / 9.14 m
- Forecastle (21 %): 24.00 ft / 7.32 m
- Mid (50 %): 24.00 ft / 7.32 m
- Quarterdeck (15 %): 24.00 ft / 7.32 m
- Stern: 24.00 ft / 7.32 m
- Average freeboard: 24.50 ft / 7.47 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.1 %
- Above water (accommodation/working, high = better): 197.4 %
Waterplane Area: 32,948 Square feet or 3,061 Square metres
Displacement factor (Displacement / loading): 125 %
Structure weight / hull surface area: 129 lbs/sq ft or 629 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.69
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily

Hydra Laid down 1940
Artemis Laid down 1941

This post has been edited 1 times, last edit by "Sachmle" (Jan 27th 2012, 2:15am)


9

Tuesday, August 20th 2013, 10:29am

Geryon (ex-Bharati Chapra Class) Class
Geryon
Typhon


Greece (ex-Bharat) Heavy Cruiser laid down 1940 (Engine 1942)

Displacement:
12,843 t light; 13,516 t standard; 15,317 t normal; 16,757 t full load

Dimensions: Length overall / water x beam x draught
673.36 ft / 656.17 ft x 68.90 ft x 23.62 ft (normal load)
205.24 m / 200.00 m x 21.00 m x 7.20 m

Armament:
12 - 8.00" / 203 mm guns (4x3 guns), 300.00lbs / 136.08kg shells, 1940 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 5.00" / 127 mm guns (4x2 guns), 62.00lbs / 28.12kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 2 raised mounts - superfiring
8 - 1.57" / 40.0 mm guns (2x4 guns), 2.00lbs / 0.91kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts
16 - 1.57" / 40.0 mm guns (4x4 guns), 2.00lbs / 0.91kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
20 - 0.98" / 25.0 mm guns (10x2 guns), 0.50lbs / 0.23kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 4,154 lbs / 1,884 kg
Shells per gun, main battery: 154

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.00" / 152 mm 426.50 ft / 130.00 m 10.00 ft / 3.05 m
Ends: Unarmoured
Main Belt covers 100 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6.00" / 152 mm 3.00" / 76 mm 8.27" / 210 mm
2nd: 2.00" / 51 mm 0.50" / 13 mm 1.00" / 25 mm
3rd: 0.50" / 13 mm - -
4th: 0.50" / 13 mm - -

- Armour deck: 2.40" / 61 mm, Conning tower: 3.00" / 76 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 93,000 shp / 69,378 Kw = 32.05 kts
Range 8,530nm at 18.00 kts
Bunker at max displacement = 3,241 tons

Complement:
687 - 894

Cost:
£7.024 million / $28.094 million

Distribution of weights at normal displacement:
Armament: 454 tons, 3.0 %
Armour: 3,483 tons, 22.7 %
- Belts: 1,070 tons, 7.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 980 tons, 6.4 %
- Armour Deck: 1,393 tons, 9.1 %
- Conning Tower: 40 tons, 0.3 %
Machinery: 2,429 tons, 15.9 %
Hull, fittings & equipment: 6,257 tons, 40.8 %
Fuel, ammunition & stores: 2,474 tons, 16.2 %
Miscellaneous weights: 220 tons, 1.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
22,471 lbs / 10,193 Kg = 87.8 x 8.0 " / 203 mm shells or 2.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.4 ft / 1.0 m
Roll period: 15.6 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.67
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.502
Length to Beam Ratio: 9.52 : 1
'Natural speed' for length: 29.34 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 48
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.20 ft / 8.90 m
- Forecastle (20 %): 20.01 ft / 6.10 m
- Mid (50 %): 19.69 ft / 6.00 m
- Quarterdeck (15 %): 19.69 ft / 6.00 m
- Stern: 19.69 ft / 6.00 m
- Average freeboard: 20.53 ft / 6.26 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 77.0 %
- Above water (accommodation/working, high = better): 171.9 %
Waterplane Area: 31,382 Square feet or 2,916 Square metres
Displacement factor (Displacement / loading): 126 %
Structure weight / hull surface area: 131 lbs/sq ft or 637 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.33
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent

This post has been edited 2 times, last edit by "Sachmle" (Aug 20th 2013, 10:30am)


10

Wednesday, August 21st 2013, 2:31am

Hephaestus Class

Ships in class:
C-43 Hephaestus laid down 1942
C-44 Dionysis laid down 1942
C-45 Hera laid down 1942

Greek Light Cruiser
Displacement:
9,000 t light; 9,522 t standard; 10,500 t normal; 11,282 t full load

Dimensions: Length overall / water x beam x draught
570.00 ft / 557.00 ft x 62.00 ft x 20.00 ft (normal load)
173.73 m / 169.77 m x 18.90 m x 6.10 m

Armament:
12 - 6.00" / 152 mm guns (4x3 guns), 115.00lbs / 52.16kg shells, 1942 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 5.00" / 127 mm guns (4x2 guns), 60.00lbs / 27.22kg shells, 1942 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.57" / 40.0 mm guns (4x4 guns), 2.00lbs / 0.91kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
8 - 1.57" / 40.0 mm guns (2x4 guns), 2.00lbs / 0.91kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts
8 - 0.98" / 25.0 mm guns (4x2 guns), 0.50lbs / 0.23kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread, all raised mounts - superfiring
Weight of broadside 1,912 lbs / 867 kg
Shells per gun, main battery: 275
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.50" / 114 mm 362.00 ft / 110.34 m 12.00 ft / 3.66 m
Ends: Unarmoured
Main Belt covers 100 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.00" / 127 mm 2.25" / 57 mm 3.25" / 83 mm
2nd: 2.00" / 51 mm 0.50" / 13 mm 2.00" / 51 mm
3rd: - 0.38" / 10 mm -
4th: - 0.38" / 10 mm -
5th: 0.50" / 13 mm - -

- Armour deck: 2.00" / 51 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 90,000 shp / 67,140 Kw = 33.06 kts
Range 7,500nm at 16.00 kts
Bunker at max displacement = 1,760 tons

Complement:
518 - 674

Cost:
£5.333 million / $21.333 million

Distribution of weights at normal displacement:
Armament: 231 tons, 2.2 %
Armour: 2,114 tons, 20.1 %
- Belts: 823 tons, 7.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 379 tons, 3.6 %
- Armour Deck: 913 tons, 8.7 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 2,351 tons, 22.4 %
Hull, fittings & equipment: 4,195 tons, 39.9 %
Fuel, ammunition & stores: 1,500 tons, 14.3 %
Miscellaneous weights: 110 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,433 lbs / 6,547 Kg = 133.6 x 6.0 " / 152 mm shells or 1.8 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 2.9 ft / 0.9 m
Roll period: 15.3 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.55
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.532
Length to Beam Ratio: 8.98 : 1
'Natural speed' for length: 27.06 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 2.35 ft / 0.72 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.25 ft / 8.92 m
- Forecastle (20 %): 25.25 ft / 7.70 m
- Mid (55 %): 25.25 ft / 7.70 m (17.25 ft / 5.26 m aft of break)
- Quarterdeck (15 %): 17.25 ft / 5.26 m
- Stern: 17.25 ft / 5.26 m
- Average freeboard: 22.00 ft / 6.71 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.8 %
- Above water (accommodation/working, high = better): 155.1 %
Waterplane Area: 24,665 Square feet or 2,291 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 107 lbs/sq ft or 521 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.93
- Longitudinal: 1.82
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent

This post has been edited 1 times, last edit by "Sachmle" (Aug 21st 2013, 2:31am)