WesWorld

After some discussion I've noticed that the Greek Destroyers, while generally modern, have 17 ships that are 8+ yrs old, with 14 of them being 10+ yrs old and 12 of them being of a design that is no longer legal here. Therefore, I propose the following class of 8 to replace some of the older vessels. There will be a class of 10 DEs around 1200-1500t standard forth comming to replace the rest.

laid down starting 3Q/1939

Displacement:
2,175 t light; 2,290 t standard; 2,440 t normal; 2,560 t full load

Dimensions: Length overall / water x beam x draught
393.00 ft / 390.00 ft x 39.00 ft x 12.25 ft (normal load)
119.79 m / 118.87 m x 11.89 m x 3.73 m

Armament:
6 - 5.00" / 127 mm guns (4 mounts), 59.90lbs / 27.17kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 1.57" / 40.0 mm guns (4x2 guns), 2.14lbs / 0.97kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
12 - 0.79" / 20.0 mm guns (6x2 guns), 0.27lbs / 0.12kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
2 - 0.31" / 8.0 mm guns in single mounts, 0.02lbs / 0.01kg shells, 1939 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 380 lbs / 172 kg
Shells per gun, main battery: 300
8 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0.75" / 19 mm 276.00 ft / 84.12 m 8.00 ft / 2.44 m
Ends: Unarmoured
Main Belt covers 109 % of normal length
Main belt covers area from end of forecastle to start of quaterdeck, 5 ft above water, 3ft below it

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

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 62,000 shp / 46,252 Kw = 36.64 kts
Range 3,000nm at 15.00 kts
Bunker at max displacement = 270 tons

Complement:
173 - 225

Cost:
£1.760 million / $7.039 million

Distribution of weights at normal displacement:
Armament: 49 tons, 2.0 %
Armour: 91 tons, 3.7 %
- Belts: 68 tons, 2.8 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 20 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,321 tons, 54.2 %
Hull, fittings & equipment: 665 tons, 27.3 %
Fuel, ammunition & stores: 265 tons, 10.8 %
Miscellaneous weights: 48 tons, 2.0 %
Weight for torpedoes, 18 DC (6 in stern racks, 12 stored under the aft superstructure), and future upgrades

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
507 lbs / 230 Kg = 8.1 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 1.5 ft / 0.5 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 55 %
- Recoil effect (Restricted arc if above 1.00): 0.42
Seaboat quality (Average = 1.00): 0.64

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.458
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 22.65 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 86
Bow angle (Positive = bow angles forward): 7.54 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.70 ft / 6.92 m
- Forecastle (15 %): 19.70 ft / 6.00 m
- Mid (44 %): 19.70 ft / 6.00 m (10.70 ft / 3.26 m aft of break)
- Quarterdeck (15 %): 10.70 ft / 3.26 m
- Stern: 10.70 ft / 3.26 m
- Average freeboard: 14.84 ft / 4.52 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 193.7 %
- Above water (accommodation/working, high = better): 103.0 %
Waterplane Area: 10,150 Square feet or 943 Square metres
Displacement factor (Displacement / loading): 63 %
Structure weight / hull surface area: 39 lbs/sq ft or 189 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.15
- Overall: 0.54
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Caution: Lacks seaworthiness - very limited seakeeping ability

Ships in class:
Eptanisa, laid down 3Q/39
Kerkyra, laid down 3Q/39
Paxi, laid down 3Q/39
Lefkada, laid down 1Q/40
Ithaki, laid down 1Q/40
Kefalonia, laid down 1Q/40
Zakynthos, laid down 3Q/40
Kythira, laid down 3Q/40

The 5" mounts should probably be twins or singles, rather than the mix currently shipped. Not sure what the point of the 8mm's is, really, and the belt's pretty dubious as well (doubt it's strong enough to help against DD fire). The sea-keeping's abysmal as well,

Did you take over Greece?
Like to repeat Hrolf's comments, as well as the fact that you can still get 35.5 knots with normal seakeeping by raising the freeboard.

EDIT: Only noticed the thread in the main room after I posted this.

Perhaps a ship closer to the Latvian Varnois's is what you want?

Quoted

Originally posted by Hrolf Hakonson
The 5" mounts should probably be twins or singles, rather than the mix currently shipped. Not sure what the point of the 8mm's is, really, and the belt's pretty dubious as well (doubt it's strong enough to help against DD fire). The sea-keeping's abysmal as well,

Went with singles over twins for top weight issues. Am going to try a 3x2 aXy layout.

8mm are there for the hell of it.

Don't see the point in the belt either, but all other Greek DDs have one.

I can/probably will write up a story about the former head of design being replaced, something to do with the afore mentioned out-of-bounds DDs being structurally weak. Maybe I'll have one sink and the Board of Inquire will conclude that it sank do to a design flaw.

Seakeeping will be rectified when I remove the belt/8mm and raise the freeboard.

Eptanisa Class, Greek Destroyer laid down 1939

Displacement:
2,175 t light; 2,290 t standard; 2,440 t normal; 2,560 t full load

Dimensions: Length overall / water x beam x draught
393.00 ft / 390.00 ft x 39.00 ft x 12.25 ft (normal load)
119.79 m / 118.87 m x 11.89 m x 3.73 m

Armament:
6 - 5.00" / 127 mm guns (3x2 guns), 59.90lbs / 27.17kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority aft, 1 raised mount aft - superfiring
8 - 1.57" / 40.0 mm guns (4x2 guns), 2.14lbs / 0.97kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
12 - 0.79" / 20.0 mm guns (6x2 guns), 0.27lbs / 0.12kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 380 lbs / 172 kg
Shells per gun, main battery: 300
8 - 21.0" / 533.4 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 62,000 shp / 46,252 Kw = 36.64 kts
Range 3,000nm at 15.00 kts
Bunker at max displacement = 270 tons

Complement:
173 - 225

Cost:
£1.770 million / $7.082 million

Distribution of weights at normal displacement:
Armament: 49 tons, 2.0 %
Armour: 18 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 18 tons, 0.7 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,334 tons, 54.7 %
Hull, fittings & equipment: 726 tons, 29.8 %
Fuel, ammunition & stores: 265 tons, 10.8 %
Miscellaneous weights: 48 tons, 2.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
540 lbs / 245 Kg = 8.6 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 1.5 ft / 0.5 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 0.73

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.458
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 22.65 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 82
Bow angle (Positive = bow angles forward): 7.13 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (15 %): 21.00 ft / 6.40 m
- Mid (44 %): 20.00 ft / 6.10 m (12.00 ft / 3.66 m aft of break)
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 16.00 ft / 4.88 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 195.4 %
- Above water (accommodation/working, high = better): 110.7 %
Waterplane Area: 10,150 Square feet or 943 Square metres
Displacement factor (Displacement / loading): 64 %
Structure weight / hull surface area: 40 lbs/sq ft or 196 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.51
- Overall: 0.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

Ships in class:
Eptanisa, laid down 3Q/39
Kerkyra, laid down 3Q/39
Paxi, laid down 3Q/39
Lefkada, laid down 1Q/40
Ithaki, laid down 1Q/40
Kefalonia, laid down 1Q/40
Zakynthos, laid down 3Q/40
Kythira, laid down 3Q/40

Think that's a lot better.

Love to see a deck view because you need quite some space for all those mounts.

It's better except for the seakeeping, which is only slightly improved.

Quoted

Originally posted by HoOmAn
Love to see a deck view because you need quite some space for all those mounts.

Well, I figured that if this:

could fit 7 5" I'd just take it, add 40' in length, 0.70' beam, remove the B mount, replace the centerline 5" single with a platform for 2 twin 40mm, put 2 more twin 20mm next to the crane aft, and mount a 2nd quad TT in the extra 40' amidships.

This is the DD "LEFKADA" one of the Eptanisa Class DDs

BRAVO!! Excellent work Andreas.