WesWorld

E 01-06

CONVERTED TO TRAINING SHIPS
Armament reduced by 1x5" gun and 4xTT, speed restricted to 24kts

E 01 class (ex-O'Brien), Mexico(ex-USA) Destroyer laid down 1915

Displacement:
857 t light; 894 t standard; 1,051 t normal; 1,177 t full load

Dimensions: Length overall / water x beam x draught
305.00 ft / 305.00 ft x 31.20 ft x 9.50 ft (normal load)
92.96 m / 92.96 m x 9.51 m x 2.90 m

Armament:
3 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1931 Model
Dual purpose guns in deck mounts
on centreline, evenly spread
Aft Main mounts separated by engine room
2 - 1.10" / 27.9 mm guns (1x2 guns), 0.67lbs / 0.30kg shells, 1931 Model
Anti-aircraft guns in deck mount
on centreline amidships
Weight of broadside 189 lbs / 86 kg
Shells per gun, main battery: 150
8 - 21.0" / 533.4 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 17,927 shp / 13,374 Kw = 29.00 kts
Range 3,500nm at 15.00 kts
Bunker at max displacement = 283 tons

Complement:
92 - 120

Cost:
£0.174 million / $0.696 million

Distribution of weights at normal displacement:
Armament: 24 tons, 2.2 %
Armour: 4 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 498 tons, 47.4 %
Hull, fittings & equipment: 326 tons, 31.0 %
Fuel, ammunition & stores: 194 tons, 18.5 %
Miscellaneous weights: 5 tons, 0.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
367 lbs / 166 Kg = 5.9 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.33
Metacentric height 1.4 ft / 0.4 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 76 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 1.11

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.407
Length to Beam Ratio: 9.78 : 1
'Natural speed' for length: 17.46 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 69
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: 18.00 ft / 5.49 m
- Forecastle (20 %): 18.00 ft / 5.49 m (11.00 ft / 3.35 m aft of break)
- Mid (50 %): 11.00 ft / 3.35 m
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 12.40 ft / 3.78 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.8 %
- Above water (accommodation/working, high = better): 56.4 %
Waterplane Area: 5,882 Square feet or 546 Square metres
Displacement factor (Displacement / loading): 68 %
Structure weight / hull surface area: 31 lbs/sq ft or 150 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.58
- Longitudinal: 1.60
- Overall: 0.64
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

15 refitted, in service
6 not refitted, scrapped

E-07 (ex-1915 type), Mexico (ex-Nordmark) Destroyer laid down 1915

Displacement:
1,145 t light; 1,201 t standard; 1,347 t normal; 1,464 t full load

Dimensions: Length overall / water x beam x draught
315.00 ft / 315.00 ft x 28.00 ft x 11.75 ft (normal load)
96.01 m / 96.01 m x 8.53 m x 3.58 m

Armament:
4 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1932 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 1.10" / 27.9 mm guns (1x4 guns), 0.67lbs / 0.30kg shells, 1932 Model
Anti-aircraft guns in deck mount
on centreline amidships
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1915 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 255 lbs / 115 kg
Shells per gun, main battery: 200
4 - 21.0" / 533.4 mm above water torpedoes

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

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 27,565 shp / 20,563 Kw = 31.00 kts
Range 2,750nm at 15.00 kts
Bunker at max displacement = 263 tons

Complement:
110 - 144

Cost:
£0.238 million / $0.951 million

Distribution of weights at normal displacement:
Armament: 32 tons, 2.4 %
Armour: 13 tons, 1.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 10 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.2 %
Machinery: 690 tons, 51.2 %
Hull, fittings & equipment: 391 tons, 29.0 %
Fuel, ammunition & stores: 202 tons, 15.0 %
Miscellaneous weights: 20 tons, 1.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
320 lbs / 145 Kg = 5.1 x 5.0 " / 127 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.29
Metacentric height 1.2 ft / 0.4 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.73
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.455
Length to Beam Ratio: 11.25 : 1
'Natural speed' for length: 17.75 kts
Power going to wave formation at top speed: 66 %
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 (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (20 %): 12.50 ft / 3.81 m
- Mid (50 %): 12.50 ft / 3.81 m
- Quarterdeck (15 %): 12.50 ft / 3.81 m
- Stern: 12.50 ft / 3.81 m
- Average freeboard: 13.10 ft / 3.99 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 185.5 %
- Above water (accommodation/working, high = better): 84.1 %
Waterplane Area: 5,649 Square feet or 525 Square metres
Displacement factor (Displacement / loading): 57 %
Structure weight / hull surface area: 32 lbs/sq ft or 155 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.96
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped

Zorro SOLD to China Q4/40

Zorro class (ex-Mendoza), Mexico (ex-Argentina) Destroyer laid down 1919 (Engine 1933)

E 16-21

E-16 class (ex-Tucker class), Mexico (ex-United States) Destroyer laid down 1914 (refitted mid 30's)

Displacement:
906 t light; 950 t standard; 1,095 t normal; 1,211 t full load

Dimensions: Length overall / water x beam x draught
316.57 ft / 315.00 ft x 30.50 ft x 9.30 ft (normal load)
96.49 m / 96.01 m x 9.30 m x 2.83 m

Armament:
3 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1934 Model
Dual purpose guns in deck mounts
on centreline, evenly spread
Aft Main mounts separated by engine room
2 - 1.85" / 47.0 mm guns (1x2 guns), 3.17lbs / 1.44kg shells, 1934 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1934 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 194 lbs / 88 kg
Shells per gun, main battery: 200
8 - 21.0" / 533.4 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 19,541 shp / 14,578 Kw = 29.50 kts
Range 3,000nm at 15.00 kts
Bunker at max displacement = 261 tons

Complement:
94 - 123

Cost:
£0.161 million / $0.643 million

Distribution of weights at normal displacement:
Armament: 24 tons, 2.2 %
Armour: 4 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 529 tons, 48.3 %
Hull, fittings & equipment: 334 tons, 30.5 %
Fuel, ammunition & stores: 189 tons, 17.2 %
Miscellaneous weights: 15 tons, 1.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
352 lbs / 160 Kg = 5.6 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.30
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 75 %
- Recoil effect (Restricted arc if above 1.00): 0.21
Seaboat quality (Average = 1.00): 1.09

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.429
Length to Beam Ratio: 10.33 : 1
'Natural speed' for length: 17.75 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.00 ft / 5.49 m
- Forecastle (20 %): 18.00 ft / 5.49 m (11.00 ft / 3.35 m aft of break)
- Mid (50 %): 11.00 ft / 3.35 m
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 12.40 ft / 3.78 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 175.1 %
- Above water (accommodation/working, high = better): 57.3 %
Waterplane Area: 6,029 Square feet or 560 Square metres
Displacement factor (Displacement / loading): 64 %
Structure weight / hull surface area: 30 lbs/sq ft or 148 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.58
- Longitudinal: 1.49
- Overall: 0.63
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

E 22-26 SCRAPPED 1942

E-22 class (ex-1920 class), Mexico (ex-Nordmark) Destroyers laid down 1918 (Engine 1920)

6 bought, refitted late 1930's



Caldwell class, Mexico (ex-USA) Destroyer laid down 1916

Displacement:
1,103 t light; 1,147 t standard; 1,350 t normal; 1,513 t full load

Dimensions: Length overall / water x beam x draught
315.50 ft / 315.50 ft x 31.10 ft x 9.50 ft (normal load)
96.16 m / 96.16 m x 9.48 m x 2.90 m

Armament:
3 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1938 Model
Dual purpose guns in deck mounts with hoists
on centreline, evenly spread
Aft Main mounts separated by engine room
2 - 1.85" / 47.0 mm guns (1x2 guns), 3.17lbs / 1.44kg shells, 1938 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 194 lbs / 88 kg
Shells per gun, main battery: 150
8 - 21.0" / 533.4 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 25,219 shp / 18,814 Kw = 30.00 kts
Range 4,000nm at 15.00 kts
Bunker at max displacement = 367 tons

Complement:
110 - 144

Cost:
£0.254 million / $1.015 million

Distribution of weights at normal displacement:
Armament: 24 tons, 1.8 %
Armour: 4 tons, 0.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 686 tons, 50.8 %
Hull, fittings & equipment: 388 tons, 28.8 %
Fuel, ammunition & stores: 247 tons, 18.3 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
405 lbs / 184 Kg = 6.5 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.30
Metacentric height 1.4 ft / 0.4 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.507
Length to Beam Ratio: 10.14 : 1
'Natural speed' for length: 17.76 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 67
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 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 13.98 ft / 4.26 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 177.8 %
- Above water (accommodation/working, high = better): 69.5 %
Waterplane Area: 6,579 Square feet or 611 Square metres
Displacement factor (Displacement / loading): 65 %
Structure weight / hull surface area: 30 lbs/sq ft or 149 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.84
- Overall: 0.57
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

6 1914 class SOLD to China 1942

Yucuman Class, Argentina Destroyer laid down 1914

All refitted, 1942

Maia , laid down 1923
Merope , laid down 1923
Alkyone , laid down 1924
Elektra , laid down 1924
Asterope , laid down 1924
Taygete , laid down 1924

Bought from SAE on 1938



Maia class, Mexico (ex-SAE) Destroyer laid down 1923

Displacement:
609 t light; 631 t standard; 698 t normal; 752 t full load

Dimensions: Length overall / water x beam x draught
229.70 ft / 229.70 ft x 25.10 ft x 10.60 ft (normal load)
70.01 m / 70.01 m x 7.65 m x 3.23 m

Armament:
2 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1923 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
4 - 1.85" / 47.0 mm guns (2x2 guns), 3.17lbs / 1.44kg shells, 1923 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1923 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 138 lbs / 63 kg
Shells per gun, main battery: 100
4 - 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 - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 17,042 shp / 12,713 Kw = 30.70 kts
Range 4,200nm at 12.00 kts
Bunker at max displacement = 122 tons

Complement:
67 - 88

Cost:
£0.241 million / $0.963 million

Distribution of weights at normal displacement:
Armament: 17 tons, 2.5 %
Armour: 6 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.9 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 335 tons, 48.0 %
Hull, fittings & equipment: 240 tons, 34.4 %
Fuel, ammunition & stores: 90 tons, 12.8 %
Miscellaneous weights: 10 tons, 1.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
221 lbs / 100 Kg = 3.5 x 5.0 " / 127 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 0.7 ft / 0.2 m
Roll period: 12.2 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.44
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 9.15 : 1
'Natural speed' for length: 17.67 kts
Power going to wave formation at top speed: 73 %
Trim (Max stability = 0, Max steadiness = 100): 71
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: 19.00 ft / 5.79 m
- Forecastle (20 %): 15.00 ft / 4.57 m
- Mid (50 %): 15.00 ft / 4.57 m (11.00 ft / 3.35 m aft of break)
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 13.32 ft / 4.06 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 174.9 %
- Above water (accommodation/working, high = better): 70.2 %
Waterplane Area: 3,683 Square feet or 342 Square metres
Displacement factor (Displacement / loading): 54 %
Structure weight / hull surface area: 27 lbs/sq ft or 132 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 5.58
- Overall: 0.63
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

6 purchased



Sampson class, Mexico (ex-USA) Destroyer laid down 1916

Displacement:
901 t light; 945 t standard; 1,101 t normal; 1,225 t full load

Dimensions: Length overall / water x beam x draught
315.00 ft / 315.00 ft x 29.80 ft x 9.50 ft (normal load)
96.01 m / 96.01 m x 9.08 m x 2.90 m

Armament:
3 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1938 Model
Dual purpose guns in deck mounts with hoists
on centreline, evenly spread
Aft Main mounts separated by engine room
2 - 1.85" / 47.0 mm guns (1x2 guns), 3.17lbs / 1.44kg shells, 1938 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 194 lbs / 88 kg
Shells per gun, main battery: 200
8 - 21.0" / 533.4 mm above water torpedoes

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

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 19,562 shp / 14,593 Kw = 29.50 kts
Range 3,500nm at 15.00 kts
Bunker at max displacement = 281 tons

Complement:
95 - 124

Cost:
£0.206 million / $0.826 million

Distribution of weights at normal displacement:
Armament: 24 tons, 2.2 %
Armour: 4 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 4 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 530 tons, 48.1 %
Hull, fittings & equipment: 342 tons, 31.1 %
Fuel, ammunition & stores: 200 tons, 18.2 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
328 lbs / 149 Kg = 5.2 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 1.2 ft / 0.4 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 72 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.08

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.432
Length to Beam Ratio: 10.57 : 1
'Natural speed' for length: 17.75 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 67
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: 18.00 ft / 5.49 m
- Forecastle (20 %): 18.00 ft / 5.49 m (11.00 ft / 3.35 m aft of break)
- Mid (50 %): 11.00 ft / 3.35 m
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 12.40 ft / 3.78 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 173.0 %
- Above water (accommodation/working, high = better): 53.7 %
Waterplane Area: 5,903 Square feet or 548 Square metres
Displacement factor (Displacement / loading): 66 %
Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.54
- Longitudinal: 1.53
- Overall: 0.60
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 refitted, 6 unrefitted



G-120, laid down 1918

Length, 95.0 m x Beam, 9.5 m x Depth, 3.0 m
1201 tonnes normal displacement (1105 tonnes standard)

Main battery: 4 x 10.5-cm
Secondary battery: 4 x 3.5-cm
AA battery: 2 x 1.5-cm

Weight of broadside: 67 kg

6 TT, 50.0 cm

Hull unarmored
Conning tower, 5.0 cm

Battery armor:
Main, 5.0 cm shields / secondary, 2.0 cm shields
AA, 2.0 cm shields

Maximum speed for 25016 shaft kw = 32.85 knots
Approximate cruising radius, 5500 nm / 10 knots

Typical complement: 102-133


Estimated cost, $1.180 million (£295,000)

Remarks:

Caution: Hull structure is subject to strain in open-sea
conditions.

Oil firing.

Magazines and engineering spaces are cramped, with poor
watertight subdivision.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 18 tonnes = 2 pct
Armor, total ..................... 16 tonnes = 1 pct

C.T. 5 tonnes = 0 pct
Armament 11 tonnes = 1 pct

Machinery ........................ 676 tonnes = 56 pct
Hull and fittings; equipment ..... 358 tonnes = 30 pct
Fuel, ammunition, stores ......... 133 tonnes = 11 pct
Miscellaneous weights ............ 0 tonnes = 0 pct
-----
1201 tonnes = 100 pct

Estimated metacentric height, 0.4 m

Displacement summary:

Light ship: 1068 tonnes
Standard displacement: 1105 tonnes
Normal service: 1201 tonnes
Full load: 1273 tonnes

Loading submergence 525 tonnes/metre

+++++++++++++++++++++++++


Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.31

Shellfire needed to sink: 140 kg = 8.7 x 10.5-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 0.2
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 63 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.19

Relative quality as a seaboat: 1.05

+++++++++++++++++++++++++


Hull form characteristics:

Block coefficient: 0.44
Sharpness coefficient: 0.31
Hull speed coefficient 'M' = 8.96
'Natural speed' for length = 17.7 knots
Power going to wave formation
at top speed: 70 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 193 percent

Relative accommodation and working space: 98 percent


Displacement factor: 47 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.50
(Structure weight per square
metre of hull surface: 160 kg)

Relative longitudinal hull strength: 1.51
(for 4.60 m average freeboard;
freeboard adjustment +1.58 m)

Relative composite hull strength: 0.56

+++++++++++++++++++++++++


[Machine-readable parameters: Spring Style v. 1.2.1]

311.60 x 31.16 x 9.84; 15.09 -- Dimensions
0.44 -- Block coefficient
1918 -- Year laid down
32.85 / 5500 / 10.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
0 tons -- Miscellaneous weights
++++++++++
4 x 4.13; 0 -- Main battery; turrets
Central positioning of guns
Gun-shields
:
4 x 1.38; 0 -- Secondary battery; turrets
Gun-shields
:
2 x 0.59 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
6 / 0 / 19.69 -- TT / submerged / size
++++++++++
0.00 -- No belt armor
0.00 / 1.97 -- Deck / CT
1.97 / 0.79 / 0.79 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)


***

After refit (193


G-120 class, Mexico (ex-India) Destroyer laid down 1918 (Engine 1923)

Displacement:
1,092 t light; 1,134 t standard; 1,224 t normal; 1,295 t full load

Dimensions: Length overall / water x beam x draught
312.00 ft / 312.00 ft x 31.20 ft x 10.00 ft (normal load)
95.10 m / 95.10 m x 9.51 m x 3.05 m

Armament:
3 - 5.00" / 127 mm guns in single mounts, 62.50lbs / 28.35kg shells, 1918 Model
Breech loading guns in deck mounts
on centreline ends, majority aft, 1 raised mount aft
6 - 1.85" / 47.0 mm guns (3x2 guns), 3.17lbs / 1.44kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 1 raised mount
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1918 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 207 lbs / 94 kg
Shells per gun, main battery: 150
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 - -
2nd: 0.50" / 13 mm - -

- Conning tower: 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 34,507 shp / 25,742 Kw = 33.00 kts
Range 5,500nm at 10.00 kts
Bunker at max displacement = 161 tons

Complement:
103 - 134

Cost:
£0.307 million / $1.227 million

Distribution of weights at normal displacement:
Armament: 26 tons, 2.1 %
Armour: 12 tons, 1.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 9 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.2 %
Machinery: 667 tons, 54.5 %
Hull, fittings & equipment: 387 tons, 31.6 %
Fuel, ammunition & stores: 132 tons, 10.8 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
320 lbs / 145 Kg = 5.1 x 5.0 " / 127 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.26
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.28
Seaboat quality (Average = 1.00): 0.96

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.440
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 17.66 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 73
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: 21.00 ft / 6.40 m
- Forecastle (20 %): 17.00 ft / 5.18 m
- Mid (50 %): 17.00 ft / 5.18 m (11.00 ft / 3.35 m aft of break)
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 14.32 ft / 4.36 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 192.1 %
- Above water (accommodation/working, high = better): 90.2 %
Waterplane Area: 6,160 Square feet or 572 Square metres
Displacement factor (Displacement / loading): 48 %
Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.49
- Longitudinal: 2.41
- Overall: 0.58
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
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

2 purchased, refitted 1940's

F-1 class, Mexico (ex-Denmark) Frigate laid down 1923

Displacement:
1,150 t light; 1,203 t standard; 1,500 t normal; 1,737 t full load

Dimensions: Length overall / water x beam x draught
270.00 ft / 270.00 ft x 27.00 ft x 15.00 ft (normal load)
82.30 m / 82.30 m x 8.23 m x 4.57 m

Armament:
4 - 5.00" / 127 mm guns (2x2 guns), 62.50lbs / 28.35kg shells, 1942 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread
8 - 1.85" / 47.0 mm guns (4x2 guns), 3.17lbs / 1.44kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
8 - 0.50" / 12.7 mm guns (4x2 guns), 0.06lbs / 0.03kg shells, 1942 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 276 lbs / 125 kg
Shells per gun, main battery: 140

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

- Conning tower: 0.50" / 13 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 24,399 shp / 18,202 Kw = 30.00 kts
Range 7,000nm at 15.00 kts
Bunker at max displacement = 535 tons

Complement:
119 - 156

Cost:
£0.477 million / $1.909 million

Distribution of weights at normal displacement:
Armament: 34 tons, 2.3 %
Armour: 7 tons, 0.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 1 tons, 0.1 %
Machinery: 677 tons, 45.2 %
Hull, fittings & equipment: 391 tons, 26.0 %
Fuel, ammunition & stores: 350 tons, 23.3 %
Miscellaneous weights: 40 tons, 2.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
434 lbs / 197 Kg = 6.9 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.29
Metacentric height 1.1 ft / 0.3 m
Roll period: 10.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.80
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.480
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 18.80 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 49
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 %): 14.00 ft / 4.27 m
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (25 %): 14.00 ft / 4.27 m
- Stern: 12.00 ft / 3.66 m
- Average freeboard: 13.99 ft / 4.26 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 166.4 %
- Above water (accommodation/working, high = better): 111.1 %
Waterplane Area: 4,959 Square feet or 461 Square metres
Displacement factor (Displacement / loading): 77 %
Structure weight / hull surface area: 32 lbs/sq ft or 158 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 3.79
- Overall: 0.61
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

All SOLD, buyer has not received ships yet.



16 ships
Names: Echo, Eclipse, Eden, Envoy, Exite, Endeavour, Encounter, Escort, Excentric, Eagle, Emerald, Echelon, Edict, Ebullient, Effusion, Epaulette

E class, Mexico (ex-Atlantis) Destroyer laid down 1918

Displacement:
1,216 t light; 1,254 t standard; 1,351 t normal; 1,428 t full load

Dimensions: Length overall / water x beam x draught
340.63 ft / 335.00 ft x 32.00 ft x 10.50 ft (normal load)
103.82 m / 102.11 m x 9.75 m x 3.20 m

Armament:
4 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1918 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
2 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 129 lbs / 59 kg
Shells per gun, main battery: 150
6 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 34,434 shp / 25,687 Kw = 33.00 kts
Range 5,000nm at 10.00 kts
Bunker at max displacement = 174 tons

Complement:
110 - 144

Cost:
£0.326 million / $1.304 million

Distribution of weights at normal displacement:
Armament: 16 tons, 1.2 %
Machinery: 763 tons, 56.5 %
Hull, fittings & equipment: 417 tons, 30.9 %
Fuel, ammunition & stores: 134 tons, 10.0 %
Miscellaneous weights: 20 tons, 1.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
313 lbs / 142 Kg = 9.8 x 4.0 " / 102 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.24
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.6 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.28
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.420
Length to Beam Ratio: 10.47 : 1
'Natural speed' for length: 18.30 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 70
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 (30 %): 20.00 ft / 6.10 m
- Mid (40 %): 20.00 ft / 6.10 m (10.00 ft / 3.05 m aft of break)
- Quarterdeck (10 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 14.12 ft / 4.30 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 193.0 %
- Above water (accommodation/working, high = better): 82.9 %
Waterplane Area: 6,683 Square feet or 621 Square metres
Displacement factor (Displacement / loading): 51 %
Structure weight / hull surface area: 31 lbs/sq ft or 154 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.51
- Longitudinal: 1.88
- Overall: 0.59
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

Beagle , laid down 1926
Beauceron , laid down 1926
Berger Picard , laid down 1926
Border Collie , laid down 1926
Saint Bernard , laid down 1926
Bobtail , laid down 1926
Bouvier , laid down 1927
Bullterrrier , laid down 1927
Dalmatian , laid down 1927
Deerhound , laid down 1927


Beagle class, Mexico (ex-SAE) Destroyer laid down 1926

Displacement:
1.356 t light; 1.402 t standard (1.350 t officially); 1.607 t normal; 1.771 t full load

Dimensions: Length overall / water x beam x draught
359,19 ft / 344,49 ft x 32,48 ft x 13,12 ft (normal load)
109,48 m / 105,00 m x 9,90 m x 4,00 m

Armament:
3 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1926 Model
Breech loading guns in deck mounts
on centreline ends, majority aft, 1 raised mount aft
8 - 1,57" / 40,0 mm guns (2x4 guns), 1,95lbs / 0,88kg shells, 1924 Model
Breech loading guns in deck mounts
on side, all amidships
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1923 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 123 lbs / 56 kg
Shells per gun, main battery: 190
12 - 21,0" / 533 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,39" / 10 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 40.000 shp / 29.840 Kw = 35,12 kts
Range 4.800nm at 15,00 kts
Bunker at max displacement = 368 tons

Complement:
126 - 164

Cost:
£0,645 million / $2,579 million

Distribution of weights at normal displacement:
Armament: 15 tons, 1,0%
Armour: 8 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 8 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 902 tons, 56,2%
Hull, fittings & equipment: 430 tons, 26,8%
Fuel, ammunition & stores: 251 tons, 15,6%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
312 lbs / 141 Kg = 8,8 x 4,1 " / 105 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,12
Metacentric height 1,1 ft / 0,3 m
Roll period: 12,7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,11
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,383
Length to Beam Ratio: 10,61 : 1
'Natural speed' for length: 21,42 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 35,00 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 (50%): 18,04 ft / 5,50 m
- Mid (50%): 18,04 ft / 5,50 m (10,17 ft / 3,10 m aft of break)
- Quarterdeck (10%): 10,17 ft / 3,10 m
- Stern: 10,17 ft / 3,10 m
- Average freeboard: 14,70 ft / 4,48 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 188,8%
- Above water (accommodation/working, high = better): 28,6%
Waterplane Area: 7.087 Square feet or 658 Square metres
Displacement factor (Displacement / loading): 60%
Structure weight / hull surface area: 29 lbs/sq ft or 144 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 2,09
- Overall: 0,57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Ship has slow, easy roll, a good, steady gun platform

20 bought 1942

Wickes class, Mexico (ex-United States) Destroyer laid down 1918

Displacement:
1,101 t light; 1,153 t standard; 1,394 t normal; 1,587 t full load

Dimensions: Length overall / water x beam x draught
314.57 ft / 313.00 ft x 31.70 ft x 9.90 ft (normal load)
95.88 m / 95.40 m x 9.66 m x 3.02 m

Armament:
4 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1917 Model
Breech loading guns in deck mounts
on centreline, evenly spread, 2 raised mounts
Aft Main mounts separated by engine room
1 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1917 Model
Anti-aircraft gun in deck mount
on side amidships
Weight of broadside 142 lbs / 64 kg
Shells per gun, main battery: 300
12 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 25,810 shp / 19,254 Kw = 30.00 kts
Range 2,250nm at 20.00 kts
Bunker at max displacement = 434 tons

Complement:
113 - 148

Cost:
£0.280 million / $1.122 million

Distribution of weights at normal displacement:
Armament: 18 tons, 1.3 %
Machinery: 721 tons, 51.7 %
Hull, fittings & equipment: 362 tons, 26.0 %
Fuel, ammunition & stores: 293 tons, 21.0 %
Miscellaneous weights: 0 tons, 0.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
413 lbs / 187 Kg = 12.9 x 4.0 " / 102 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.30
Metacentric height 1.4 ft / 0.4 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.16
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.497
Length to Beam Ratio: 9.87 : 1
'Natural speed' for length: 17.69 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.00 ft / 5.49 m
- Forecastle (20 %): 16.00 ft / 4.88 m
- Mid (50 %): 14.00 ft / 4.27 m
- Quarterdeck (15 %): 12.00 ft / 3.66 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 14.06 ft / 4.29 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 177.6 %
- Above water (accommodation/working, high = better): 25.8 %
Waterplane Area: 6,591 Square feet or 612 Square metres
Displacement factor (Displacement / loading): 69 %
Structure weight / hull surface area: 28 lbs/sq ft or 139 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.80
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor

8 Doxa class, bought 1943
4 Imp Doxa class, bought 1943
5 Makriyannis class, bought 1943


D-21 Doxa as completed 1922.

A new design, derived from the Kanaris class Destroyers which were based on the V&W class RN destroyers. All vessels were built locally with some assistance from Thornycroft. Guns were from US sources.

RHN D-21 Doxa Class, Greek Destroyer laid down 1921

Displacement:
1,345 t light; 1,396 t standard; 1,447 t normal; 1,482 t full load
Loading submergence 168 tons/feet

Dimensions:
320.00 ft x 31.00 ft x 11.10 ft (normal load)
97.54 m x 9.45 m x 3.38 m

Armament:
4 - 5.00" / 127 mm guns
1 - 3.00" / 76 mm guns
4 - 0.50" / 13 mm AA guns
Weight of broadside 264 lbs / 120 kg
6 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 1.00" / 25 mm, ends unarmoured
Belts cover 80 % of normal area
Main belt does not fully protect magazines and engineering spaces
Main gun shields 0.70" / 18 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,457 shp / 32,419 Kw = 34.00 kts
Range 1,300nm at 14.00 kts

Complement:
117 - 152

Cost:
£0.487 million / $1.947 million

Distribution of weights at normal displacement:
Armament: 33 tons, 2.3 %
Armour: 50 tons, 3.5 %
Belts: 45 tons, 3.1 %, Armament: 5 tons, 0.3 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 832 tons, 57.5 %
Hull, fittings & equipment: 430 tons, 29.7 %
Fuel, ammunition & stores: 102 tons, 7.1 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 1.1

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

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.16
Shellfire needed to sink: 306 lbs / 139 Kg = 4.9 x 5.0 " / 127 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.2
(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: 0.40
Relative quality as seaboat: 1.00

Hull form characteristics:
Block coefficient: 0.460
Sharpness coefficient: 0.31
Hull speed coefficient 'M': 8.65
'Natural speed' for length: 17.89 kts
Power going to wave formation at top speed: 71 %
Trim: 70
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 202.7 %
Relative accommodation and working space: 89.6 %
(Average = 100%)
Displacement factor: 44 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.50
(Structure weight / hull surface area: 36 lbs / square foot or 176 Kg / square metre)
Relative longitudinal hull strength: 1.64
(for 16.00 ft / 4.88 m average freeboard, freeboard adjustment 5.71 ft)
Relative composite hull strength: 0.56


D-29 Kondouriotis as completed 1926.

The Kondouroitis class were fitted with a new design of torpedo tubes and larger gun shields.

RHN D-29 Kondouriotis Class, Greek Destroyer laid down 1925

Displacement:
1,365 t light; 1,410 t standard; 1,463 t normal; 1,506 t full load

Dimensions: Length overall / water x beam x draught
324.99 ft / 320.00 ft x 31.00 ft x 11.10 ft (normal load)
99.06 m / 97.54 m x 9.45 m x 3.38 m

Armament:
4 - 5.00" / 127 mm guns in single mounts, 59.90lbs / 27.17kg shells, 1925 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 2 raised mounts - superfiring
1 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1925 Model
Anti-aircraft gun in deck mount
on centreline amidships, 1 raised gun
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1925 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 274 lbs / 124 kg
Shells per gun, main battery: 100
6 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0.75" / 19 mm 220.00 ft / 67.06 m 8.00 ft / 2.44 m
Ends: Unarmoured
Main Belt covers 106 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.75" / 19 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,847 shp / 32,710 Kw = 34.00 kts
Range 1,300nm at 14.00 kts
Bunker at max displacement = 96 tons

Complement:
117 - 153

Cost:
£0.625 million / $2.501 million

Distribution of weights at normal displacement:
Armament: 35 tons, 2.4 %
Armour: 63 tons, 4.3 %
- Belts: 54 tons, 3.7 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 8 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 811 tons, 55.4 %
Hull, fittings & equipment: 406 tons, 27.7 %
Fuel, ammunition & stores: 98 tons, 6.7 %
Miscellaneous weights: 50 tons, 3.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
307 lbs / 139 Kg = 4.9 x 5.0 " / 127 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.26
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.3 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.31
Seaboat quality (Average = 1.00): 0.75

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.465
Length to Beam Ratio: 10.32 : 1
'Natural speed' for length: 17.89 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 14.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (15 %): 18.00 ft / 5.49 m
- Mid (42 %): 18.00 ft / 5.49 m (10.00 ft / 3.05 m aft of break)
- Quarterdeck (15 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 13.48 ft / 4.11 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 200.2 %
- Above water (accommodation/working, high = better): 79.6 %
Waterplane Area: 6,408 Square feet or 595 Square metres
Displacement factor (Displacement / loading): 45 %
Structure weight / hull surface area: 32 lbs/sq ft or 157 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.86
- Overall: 0.57
Hull space for machinery, storage, compartmentation is extremely poor
Room for accommodation and workspaces is cramped
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather


An effort in increase the broadside of Greek destroyers the Kondouriotis design replaced the AA gun with a 5th 5" gun. The result was not felt to be an improvement over the preceeding class and much redevelopment went into the next class of destroyers.

RHN D-33 Makriyannis Class, Greek Destroyer laid down 1927

Displacement:
1,365 t light; 1,411 t standard; 1,463 t normal; 1,505 t full load

Dimensions: Length overall / water x beam x draught
324.99 ft / 320.00 ft x 31.00 ft x 11.10 ft (normal load)
99.06 m / 97.54 m x 9.45 m x 3.38 m

Armament:
5 - 5.00" / 127 mm guns in single mounts, 59.90lbs / 27.17kg shells, 1927 Model
Breech loading guns in deck mounts
on centreline, evenly spread, 3 raised mounts
2 - 1.57" / 40.0 mm guns (1x2 guns), 1.87lbs / 0.85kg shells, 1927 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.27lbs / 0.12kg shells, 1927 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 305 lbs / 139 kg
Shells per gun, main battery: 95
6 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0.75" / 19 mm 220.00 ft / 67.06 m 8.00 ft / 2.44 m
Ends: Unarmoured
Main Belt covers 106 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.75" / 19 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,847 shp / 32,710 Kw = 34.00 kts
Range 1,300nm at 14.00 kts
Bunker at max displacement = 94 tons

Complement:
117 - 153

Cost:
£0.700 million / $2.801 million

Distribution of weights at normal displacement:
Armament: 40 tons, 2.7 %
Armour: 65 tons, 4.4 %
- Belts: 54 tons, 3.7 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 11 tons, 0.7 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 795 tons, 54.4 %
Hull, fittings & equipment: 415 tons, 28.4 %
Fuel, ammunition & stores: 98 tons, 6.7 %
Miscellaneous weights: 50 tons, 3.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
313 lbs / 142 Kg = 5.0 x 5.0 " / 127 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.35
Seaboat quality (Average = 1.00): 0.74

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.465
Length to Beam Ratio: 10.32 : 1
'Natural speed' for length: 17.89 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 14.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.00 ft / 6.10 m
- Forecastle (15 %): 18.00 ft / 5.49 m
- Mid (42 %): 18.00 ft / 5.49 m (10.00 ft / 3.05 m aft of break)
- Quarterdeck (15 %): 10.00 ft / 3.05 m
- Stern: 10.00 ft / 3.05 m
- Average freeboard: 13.48 ft / 4.11 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 199.0 %
- Above water (accommodation/working, high = better): 79.6 %
Waterplane Area: 6,408 Square feet or 595 Square metres
Displacement factor (Displacement / loading): 46 %
Structure weight / hull surface area: 33 lbs/sq ft or 160 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.89
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather