Actaeus Class
Ships in class:
Actaeus laid down April 1944
Argyron laid down April 1944
Atabyrius laid down April 1944
Chalcon laid down April 1944
Chryson laid down April 1944
Demonax laid down April 1944
Damnameneus laid down April 1944
Dexithea laid down April 1944
Euxanthios laid down April 1944
Lycos laid down April 1944
Lysagora laid down April 1944
Makelo laid down April 1944
Megalesius laid down October 1944
Mylas laid down October 1944
Nikon laid down October 1944
Ormenos laid down October 1944
Simon laid down October 1944
Skelmis laid down October 1944
Greece Fleet Minesweeper
Displacement:
550 t light; 580 t standard; 720 t normal; 832 t full load
Dimensions: Length overall / water x beam x draught
210.10 ft / 204.75 ft x 29.25 ft x 8.70 ft (normal load)
64.04 m / 62.41 m x 8.92 m x 2.65 m
Armament:
4 - 2.95" / 75.0 mm guns (2x2 guns), 13.00lbs / 5.90kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
4 - 1.57" / 40.0 mm guns (2x2 guns), 2.00lbs / 0.91kg shells, 1944 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, 1944 Model
Machine guns in deck mounts
on side, all amidships
Weight of broadside 64 lbs / 29 kg
Shells per gun, main battery: 400
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm 0.50" / 13 mm -
2nd: 0.50" / 13 mm - -
3rd: 0.25" / 6 mm - -
Machinery:
Diesel Internal combustion generators,
Electric motors, 2 shafts, 3,007 shp / 2,243 Kw = 18.61 kts
Range 6,500nm at 14.00 kts
Bunker at max displacement = 252 tons
Complement:
69 - 90
Cost:
£0.246 million / $0.985 million
Distribution of weights at normal displacement:
Armament: 8 tons, 1.1 %
Armour: 6 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 77 tons, 10.7 %
Hull, fittings & equipment: 269 tons, 37.4 %
Fuel, ammunition & stores: 170 tons, 23.7 %
Miscellaneous weights: 190 tons, 26.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,482 lbs / 672 Kg = 115.1 x 3.0 " / 75 mm shells or 0.8 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 1.0 ft / 0.3 m
Roll period: 12.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.12
Seaboat quality (Average = 1.00): 1.74
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.484
Length to Beam Ratio: 7.00 : 1
'Natural speed' for length: 14.31 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 40
Bow angle (Positive = bow angles forward): 18.50 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 %): 14.50 ft / 4.42 m
- Mid (68 %): 14.50 ft / 4.42 m (5.50 ft / 1.68 m aft of break)
- Quarterdeck (15 %): 5.50 ft / 1.68 m
- Stern: 5.50 ft / 1.68 m
- Average freeboard: 11.75 ft / 3.58 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74.1 %
- Above water (accommodation/working, high = better): 132.1 %
Waterplane Area: 3,932 Square feet or 365 Square metres
Displacement factor (Displacement / loading): 175 %
Structure weight / hull surface area: 39 lbs/sq ft or 188 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.86
- Longitudinal: 3.96
- 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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Misc Weight Includes:
70t Sweeping Gear
20t Air Search
20t Surface Search
15t Aux Generators
15t Aux Pumps
50t Reserve