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1

Saturday, July 22nd 2006, 10:45pm

Chilean Destoyers 1932 and 1933

Alright, seeing that the Chilean fleet is short on light vessels, I intend to fill that gap in 1933 and 1934.

First we have a new larger destroyer that will eventually replace the older British built leaders.

(A lighter destroyer is below this one)

Capitan Zero

Chilean Destroyer laid down 1932

Displacement:
1,769 t light; 1,850 t standard; 2,101 t normal; 2,293 t full load

Dimensions: Length overall / water x beam x draught
355.00 ft / 350.00 ft x 35.00 ft x 13.00 ft (normal load)
108.21 m / 106.68 m x 10.67 m x 3.96 m

Armament:
8 - 4.33" / 110 mm guns (4x2 guns), 40.61lbs / 18.42kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 337 lbs / 153 kg
Shells per gun, main battery: 200
6 - 21.0" / 533.4 mm above water torpedoes

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

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 3 shafts, 40,500 shp / 30,213 Kw = 32.02 kts
Range 5,000nm at 15.00 kts (Bunkerage = 452 tons)

Complement:
154 - 201

Cost:
£1.090 million / $4.361 million

Distribution of weights at normal displacement:
Armament: 42 tons, 2.0 %
Armour: 20 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,018 tons, 48.4 %
Hull, fittings & equipment: 665 tons, 31.6 %
Fuel, ammunition & stores: 332 tons, 15.8 %
Miscellaneous weights: 25 tons, 1.2 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
631 lbs / 286 Kg = 15.5 x 4.3 " / 110 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 1.5 ft / 0.5 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.72
Seaboat quality (Average = 1.00): 1.25

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.462
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 18.71 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 56
Bow angle (Positive = bow angles forward): 8.54 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 17.40 ft / 5.30 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 173.6 %
- Above water (accommodation/working, high = better): 104.5 %
Waterplane Area: 7,533 Square feet or 700 Square metres
Displacement factor (Displacement / loading): 76 %
Structure weight / hull surface area: 38 lbs/sq ft or 186 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.96
- Overall: 0.60
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
------------------------------------------------------------------------


Then we have a lighter destroyer built to use some newer model weapons than the 110mm fun from Nordmark. It might be too heavy, or too slow, but it can be built in a Class Zero slip.


Capitan Thompson

Chilean Destroyer laid down 1933


Displacement:
967 t light; 1,000 t standard; 1,150 t normal; 1,266 t full load

Dimensions: Length overall / water x beam x draught
230.00 ft / 230.00 ft x 24.00 ft x 15.00 ft (normal load)
70.10 m / 70.10 m x 7.32 m x 4.57 m

Armament:
1 - 5.10" / 130 mm guns in single mounts, 66.33lbs / 30.08kg shells, 1933 Model
Breech loading gun in deck mount
on centreline forward
2 - 3.75" / 95.3 mm guns in single mounts, 26.37lbs / 11.96kg shells, 1933 Model
Anti-aircraft guns in deck mounts
on centreline, all aft
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1933 Model
Anti-aircraft guns in deck mounts
on side, all amidships
Weight of broadside 122 lbs / 55 kg
Shells per gun, main battery: 125
3 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 31,000 shp / 23,126 Kw = 30.72 kts
Range 4,000nm at 15.00 kts (Bunkerage = 270 tons)

Complement:
98 - 128

Cost:
£0.621 million / $2.482 million

Distribution of weights at normal displacement:
Armament: 15 tons, 1.3 %
Machinery: 604 tons, 52.5 %
Hull, fittings & equipment: 338 tons, 29.4 %
Fuel, ammunition & stores: 183 tons, 15.9 %
Miscellaneous weights: 10 tons, 0.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
286 lbs / 130 Kg = 4.3 x 5.1 " / 130 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 0.7 ft / 0.2 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.44
Seaboat quality (Average = 1.00): 1.07

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.486
Length to Beam Ratio: 9.58 : 1
'Natural speed' for length: 15.17 kts
Power going to wave formation at top speed: 76 %
Trim (Max stability = 0, Max steadiness = 100): 65
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: 16.00 ft / 4.88 m
- Forecastle (20 %): 16.00 ft / 4.88 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.35 ft / 4.68 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 180.7 %
- Above water (accommodation/working, high = better): 65.5 %
Waterplane Area: 3,483 Square feet or 324 Square metres
Displacement factor (Displacement / loading): 59 %
Structure weight / hull surface area: 30 lbs/sq ft or 144 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 9.15
- Overall: 0.66
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

2

Saturday, July 22nd 2006, 11:10pm

The Captain Zero design reminds me of my own 31 Class category A destroyers.

As for the Captain Thompson design, Nordmark may be happy to sell you the MYA 130mm DP gun/mount and appropriate liscences. As for it being too Heavy or too Slow, I'd say it can run with many TB's and could disable most of them if the aim of her gunners in good.

3

Sunday, July 23rd 2006, 2:52am

I like Capitan Zero. Might want a little more speed, but it's a pretty sound design.

As for Capitan Thompson - it's a reasonable DE type, capable of being mass-produced in those dinky slips (or two at a time in larger ones) and should make a good escort for merchies, or the battleline for that matter (at least until you build those Iowas. ^_^). I do wonder about her AA, though - 3.75"? What a bizzare calibre. You might consider dropping the heavy AA and replacing it with a second 130mm, or at least making one of those 95mm mounts superfiring.

4

Sunday, July 23rd 2006, 8:12am

How much more speed?

The 3.75" are an proposed Chilean-Atlantis design to bridge the 3" to 110mm market with a heavy AA.

The 130mm is a compromise. Atlantis wants a 5.1" weapon and Chile needs something between 110mm and 150mm for future destroyers instead of using the American 5"/51 from their old battleships. I'll play with it more as the first design (for this one) was armed with 110mm and 37mm but it seemed too much like the ealier light destroyers (not the ones with the 150mm cannon on the bow).

5

Sunday, July 23rd 2006, 8:25am

Hmmm, may make sence to ditch the 1x5.1" and go for a twin 4.33" for Captain Tompson.

What would Captain Zero look like with 3 twin 5.1" mounts?

6

Sunday, July 23rd 2006, 9:02am

reversed

Not sure if the increase in size is worth the other increases here.

Capitan Zero

Chilean Destroyer laid down 1932

Displacement:
2,240 t light; 2,315 t standard; 2,600 t normal; 2,818 t full load

Dimensions: Length overall / water x beam x draught
380.30 ft / 375.00 ft x 37.00 ft x 14.00 ft (normal load)
115.92 m / 114.30 m x 11.28 m x 4.27 m

Armament:
6 - 5.10" / 130 mm guns (3x2 guns), 66.33lbs / 30.08kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 410 lbs / 186 kg
Shells per gun, main battery: 100
6 - 21.0" / 533.4 mm above water torpedoes

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

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 3 shafts, 55,000 shp / 41,030 Kw = 33.61 kts
Range 5,000nm at 15.00 kts (Bunkerage = 513 tons)

Complement:
181 - 236

Cost:
£1.424 million / $5.697 million

Distribution of weights at normal displacement:
Armament: 51 tons, 2.0 %
Armour: 19 tons, 0.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 15 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,370 tons, 52.7 %
Hull, fittings & equipment: 774 tons, 29.8 %
Fuel, ammunition & stores: 360 tons, 13.9 %
Miscellaneous weights: 25 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
640 lbs / 290 Kg = 9.7 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 1.6 ft / 0.5 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.66
Seaboat quality (Average = 1.00): 1.10

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.468
Length to Beam Ratio: 10.14 : 1
'Natural speed' for length: 19.36 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 8.54 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.00 ft / 6.71 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 17.56 ft / 5.35 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 185.7 %
- Above water (accommodation/working, high = better): 107.4 %
Waterplane Area: 8,592 Square feet or 798 Square metres
Displacement factor (Displacement / loading): 70 %
Structure weight / hull surface area: 41 lbs/sq ft or 198 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.46
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
------------------------------------------------------------------------

This ship improve a bit I suppose.


Capitan Thompson


Chilean Destroyer laid down 1933

Displacement:
965 t light; 1,000 t standard; 1,150 t normal; 1,265 t full load

Dimensions: Length overall / water x beam x draught
230.00 ft / 230.00 ft x 24.00 ft x 15.00 ft (normal load)
70.10 m / 70.10 m x 7.32 m x 4.57 m

Armament:
2 - 4.33" / 110 mm guns (1x2 guns), 40.61lbs / 18.42kg shells, 1933 Model
Dual purpose guns in a deck mount with hoist
on centreline forward
1 - 4.33" / 110 mm guns in single mounts, 40.61lbs / 18.42kg shells, 1933 Model
Dual purpose gun in deck mount
on centreline aft
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1933 Model
Anti-aircraft guns in deck mounts
on side, all amidships
Weight of broadside 125 lbs / 57 kg
Shells per gun, main battery: 150
3 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 30,000 shp / 22,380 Kw = 30.49 kts
Range 4,000nm at 15.00 kts (Bunkerage = 270 tons)

Complement:
98 - 128

Cost:
£0.617 million / $2.469 million

Distribution of weights at normal displacement:
Armament: 16 tons, 1.4 %
Machinery: 598 tons, 52.0 %
Hull, fittings & equipment: 342 tons, 29.7 %
Fuel, ammunition & stores: 185 tons, 16.1 %
Miscellaneous weights: 10 tons, 0.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
285 lbs / 129 Kg = 7.0 x 4.3 " / 110 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 0.7 ft / 0.2 m
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.486
Length to Beam Ratio: 9.58 : 1
'Natural speed' for length: 15.17 kts
Power going to wave formation at top speed: 75 %
Trim (Max stability = 0, Max steadiness = 100): 66
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: 17.00 ft / 5.18 m
- Forecastle (20 %): 16.00 ft / 4.88 m
- Mid (50 %): 15.00 ft / 4.57 m
- Quarterdeck (15 %): 14.00 ft / 4.27 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 15.11 ft / 4.60 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.3 %
- Above water (accommodation/working, high = better): 63.3 %
Waterplane Area: 3,482 Square feet or 324 Square metres
Displacement factor (Displacement / loading): 61 %
Structure weight / hull surface area: 30 lbs/sq ft or 149 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 8.84
- Overall: 0.67
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

7

Sunday, July 23rd 2006, 9:18am

Perhaps an even 33 knots speed for the 5.1" version of Zero? You could probably drop the steadiness to 60 seeing as a DD isn't exactly the best gun platform.

8

Sunday, July 23rd 2006, 10:36am

What about this?

Capitan Zero

Chilean Destroyer laid down 1932

Displacement:
2,196 t light; 2,278 t standard; 2,575 t normal; 2,802 t full load

Dimensions: Length overall / water x beam x draught
375.60 ft / 370.00 ft x 37.00 ft x 14.00 ft (normal load)
114.48 m / 112.78 m x 11.28 m x 4.27 m

Armament:
8 - 5.10" / 130 mm guns (4x2 guns), 66.33lbs / 30.09kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 543 lbs / 246 kg
Shells per gun, main battery: 100
6 - 21.0" / 533.4 mm above water torpedoes

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

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 3 shafts, 51,100 shp / 38,121 Kw = 33.00 kts
Range 5,250nm at 15.00 kts (Bunkerage = 535 tons)

Complement:
179 - 234

Cost:
£1.423 million / $5.694 million

Distribution of weights at normal displacement:
Armament: 68 tons, 2.6 %
Armour: 24 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 20 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,281 tons, 49.7 %
Hull, fittings & equipment: 798 tons, 31.0 %
Fuel, ammunition & stores: 379 tons, 14.7 %
Miscellaneous weights: 25 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
684 lbs / 310 Kg = 10.3 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 1.8 ft / 0.5 m
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.79
Seaboat quality (Average = 1.00): 1.11

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.470
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8.54 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 17.72 ft / 5.40 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 181.1 %
- Above water (accommodation/working, high = better): 106.8 %
Waterplane Area: 8,493 Square feet or 789 Square metres
Displacement factor (Displacement / loading): 71 %
Structure weight / hull surface area: 42 lbs/sq ft or 205 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.58
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

9

Sunday, July 23rd 2006, 11:17am

She's improved somewhat, she can take a few more shells. I see you managed to squease in another twin mount.

I'm curious, do you have a tonnage limit for these ships?
Zero has managed to gain 400 tons on the orriginal design.

10

Sunday, July 23rd 2006, 11:48am

Hmm. Well I did, but I forgot what is was. I think I was trying to keep the light tonnage under 2,000 tons, just it seems to be just under 2,200 tons now.

Is it worth the trade off to have a lighter vessel that is still almost 2,100 tons standard? Or have the extra two 130mm guns with a slight increase in range?

Also would two quad mounted 21" torpedo racks be advisable over the triple racks here. (or the quint 18" racks on the earlier Chilean light destroyer)?

Capitan Zero (lighter version)

Chilean Destroyer laid down 1932

Displacement:
1,998 t light; 2,074 t standard; 2,340 t normal; 2,544 t full load

Dimensions: Length overall / water x beam x draught
375.00 ft / 370.00 ft x 40.00 ft x 13.00 ft (normal load)
114.30 m / 112.78 m x 12.19 m x 3.96 m

Armament:
6 - 5.10" / 130 mm guns (3x2 guns), 66.33lbs / 30.09kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 411 lbs / 186 kg
Shells per gun, main battery: 125
6 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.50" / 13 mm - -

- Conning tower: 0.50" / 13 mm

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 3 shafts, 47,357 shp / 35,329 Kw = 33.00 kts
Range 5,000nm at 15.00 kts (Bunkerage = 479 tons)

Complement:
167 - 218

Cost:
£1.262 million / $5.047 million

Distribution of weights at normal displacement:
Armament: 51 tons, 2.2 %
Armour: 9 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 7 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.1 %
Machinery: 1,176 tons, 50.2 %
Hull, fittings & equipment: 737 tons, 31.5 %
Fuel, ammunition & stores: 342 tons, 14.6 %
Miscellaneous weights: 25 tons, 1.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
695 lbs / 315 Kg = 10.5 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.40
Metacentric height 2.3 ft / 0.7 m
Steadiness - As gun platform (Average = 50 %): 55 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.11

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.426
Length to Beam Ratio: 9.25 : 1
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8.54 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 17.40 ft / 5.30 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.8 %
- Above water (accommodation/working, high = better): 122.3 %
Waterplane Area: 8,792 Square feet or 817 Square metres
Displacement factor (Displacement / loading): 72 %
Structure weight / hull surface area: 41 lbs/sq ft or 201 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.25
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent

11

Sunday, July 23rd 2006, 12:21pm

The light 2,074 tons light Zero matches my new Mendoza Class nicely while the 8x2 130mm version would be very powerful.

The Thompson is very good for a 70m long DD and matches my Indomita Class.

Overall I fear these ships! My next 115mm gunned DD will redress the balance though, and a mass build programme on the Indomita class.

12

Sunday, July 23rd 2006, 12:30pm

Direct drive after 1930???? Why???? I know it doesn't make much difference in SS2, but once other transmission methods were available the direct-drive units went away.

13

Sunday, July 23rd 2006, 12:33pm

What would be appropriate? I've not really paid that selection much mind.

Hmmmm, 6 or 8 130mm cannon?

14

Sunday, July 23rd 2006, 12:55pm

In most countries, geared turbines are what's in use, especially in ships of this size.

15

Sunday, July 23rd 2006, 5:35pm

Drive, George, drive!!

Geared drives should be in use for most ships...capital ships, carriers, and large auxiliaries should, IMHO, have electric. Perhaps some smaller auxes too - I designed my tugboats with ED - as in the event of a natural disaster you can tie up to a pier and run cables ashore to supply power.

Electric drive didn't get the greatest of reputations in @...but that was somewhat unfair, as it was mostly the result of Saratoga being a torpedo magnet (IIRC).

Now as for the designs:

I wonder how much additional speed the 8x130 Zero hull could handle with a 6x130 armament? For large DD's I'd try to keep a minimum of 33.5 knots.

The new Thompson looks interesting...and somewhat more balanced than the original. Hmm, would that hull work with 4x95mm (2 superfiring)?

16

Sunday, July 23rd 2006, 7:36pm

It probably would, but Chile doesn't see the 3.75" AA as an anti-ship weapon (its not rated as DP). It could be too small for the local enviroment.

Of course I could have the wrong idea of what these ships should be equipped to handle.

(A 3.75 that could depress far enough might be useful against submarines and probably destroyers and lighter, but it probably won't do anything to a light cruiser or maybe even destroyer leaders. The 110 mm might and the 130mm will for sure.)

17

Sunday, July 23rd 2006, 8:16pm

Geared drive maximizes your Turbine and propeller speeds to improve fuel consumtion rates and cut down prop wear.

Given Chiles lack of enthusiasm for speed 33 knots would seem like a luxury. I'd personally prefere 8x130mm and 2 quad banks of 21" to maximize firepower.

18

Sunday, July 23rd 2006, 8:44pm

This?

Capitan Zero (firepower)

Chilean Destroyer laid down 1932

Displacement:
2,175 t light; 2,265 t standard; 2,576 t normal; 2,814 t full load

Dimensions: Length overall / water x beam x draught
375.60 ft / 370.00 ft x 37.00 ft x 14.00 ft (normal load)
114.48 m / 112.78 m x 11.28 m x 4.27 m

Armament:
8 - 5.10" / 130 mm guns (4x2 guns), 66.33lbs / 30.09kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, all amidships
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 543 lbs / 246 kg
Shells per gun, main battery: 125
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 - -
2nd: 0.50" / 13 mm - -
3rd: 0.50" / 13 mm - -

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 50,000 shp / 37,300 Kw = 32.83 kts
Range 5,500nm at 15.00 kts (Bunkerage = 559 tons)

Complement:
180 - 235

Cost:
£1.410 million / $5.639 million

Distribution of weights at normal displacement:
Armament: 68 tons, 2.6 %
Armour: 25 tons, 1.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 21 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,264 tons, 49.1 %
Hull, fittings & equipment: 793 tons, 30.8 %
Fuel, ammunition & stores: 401 tons, 15.6 %
Miscellaneous weights: 25 tons, 1.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
700 lbs / 317 Kg = 10.6 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.29
Metacentric height 1.8 ft / 0.5 m
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.77
Seaboat quality (Average = 1.00): 1.13

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.470
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8.54 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 17.72 ft / 5.40 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.3 %
- Above water (accommodation/working, high = better): 90.9 %
Waterplane Area: 8,495 Square feet or 789 Square metres
Displacement factor (Displacement / loading): 73 %
Structure weight / hull surface area: 42 lbs/sq ft or 204 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.58
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

19

Sunday, July 23rd 2006, 8:49pm

Or this?

Capitan Zero (Speed)

Chilean Destroyer laid down 1932

Displacement:
2,268 t light; 2,343 t standard; 2,576 t normal; 2,752 t full load

Dimensions: Length overall / water x beam x draught
375.60 ft / 370.00 ft x 34.00 ft x 12.00 ft (normal load)
114.48 m / 112.78 m x 10.36 m x 3.66 m

Armament:
6 - 5.10" / 130 mm guns (3x2 guns), 66.33lbs / 30.09kg shells, 1932 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, all amidships
2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1932 Model
Machine guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 404 lbs / 183 kg
Shells per gun, main battery: 100
6 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 65,231 shp / 48,662 Kw = 34.42 kts
Range 4,000nm at 15.00 kts (Bunkerage = 420 tons)

Complement:
180 - 235

Cost:
£1.514 million / $6.058 million

Distribution of weights at normal displacement:
Armament: 51 tons, 2.0 %
Machinery: 1,510 tons, 58.6 %
Hull, fittings & equipment: 708 tons, 27.5 %
Fuel, ammunition & stores: 308 tons, 11.9 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
598 lbs / 271 Kg = 9.0 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.50
Metacentric height 2.0 ft / 0.6 m
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.35
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.597
Length to Beam Ratio: 10.88 : 1
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8.54 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (50 %): 16.00 ft / 4.88 m
- Quarterdeck (15 %): 16.00 ft / 4.88 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 17.72 ft / 5.40 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 203.4 %
- Above water (accommodation/working, high = better): 107.9 %
Waterplane Area: 8,973 Square feet or 834 Square metres
Displacement factor (Displacement / loading): 61 %
Structure weight / hull surface area: 36 lbs/sq ft or 174 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.63
- Overall: 0.59
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is adequate

20

Sunday, July 23rd 2006, 8:57pm

You know, I prefer a few more shells per main gun.
Like Wes stated, I would go for the Porter version of the Capitan Zero.