Exploratore class

Exploratore class, SPQO:Navy DD laid down 1904

            788 t light; 808 t standard; 849 t normal; 882 t full load

            (75,04 m / 73,15 m) x 8,53 m  x (3,05 / 3,13 m)

  2 - 3,00" / 76,2 mm 40,0 cal guns - 12,94lbs / 5,87kg shells, 170 per gun

              Quick firing guns in deck mounts, 1904 Model

              2 x Single mounts on centreline ends, evenly spread

  Weight of broadside 26 lbs / 12 kg

            In 2 sets of deck mounted side rotating tubes

## Armour:

  - Gun armour: Face (max)         Other gunhouse (avg)      Barbette/hoist (max)

            Main:  2,00" / 51 mm      -                                     -

## Machinery:

            Oil fired boilers, steam turbines,

            Direct drive, 2 shafts, 8.371 shp / 6.244 Kw = 24,00 kts

            Range 1.400nm at 10,00 kts

            Bunker at max displacement = 74 tons

## Cost:

            £0,093 million / $0,374 million

### Distribution of weights at normal displacement:

            Armament: 7 tons, 0,9 %

              - Guns: 4 tons, 0,5 %

              - Weapons: 3 tons, 0,4 %

            Armour: 13 tons, 1,5 %

              - Armament: 9 tons, 1,0 %

              - Conning Tower: 4 tons, 0,5 %

            Machinery: 463 tons, 54,5 %

            Hull, fittings & equipment: 306 tons, 36,0 %

            Fuel, ammunition & stores: 61 tons, 7,1 %

            Miscellaneous weights: 0 tons, 0,0 %

### Overall survivability and seakeeping ability:

            Survivability (Non-critical penetrating hits needed to sink ship):

              353 lbs / 160 Kg = 26,1 x 3,0 " / 76 mm shells or 0,4 torpedoes

            Stability (Unstable if below 1.00): 1,24

            Metacentric height 1,1 ft / 0,3 m

            Roll period: 11,3 seconds

            Steadiness         - As gun platform (Average = 50 %): 100 %

                                          - Recoil effect (Restricted arc if above 1.00): 0,08

            Seaboat quality  (Average = 1.00): 2,00

### Hull form characteristics:

            Hull has raised forecastle,

              a normal bow and a cruiser stern

            Block coefficient (normal/deep): 0,442 / 0,447

            Length to Beam Ratio: 8,57 : 1

            'Natural speed' for length: 15,49 kts

            Power going to wave formation at top speed: 63 %

            Trim (Max stability = 0, Max steadiness = 100): 50

            Bow angle (Positive = bow angles forward): 19,00 degrees

            Stern overhang: -14,00 ft / -4,27 m

            Freeboard (% = length of deck as a percentage of waterline length):

                                                          Fore end,           Aft end

              - Forecastle:   20,00 %,  18,00 ft / 5,49 m,  18,00 ft / 5,49 m

              - Forward deck: 30,00 %,  16,00 ft / 4,88 m,  16,00 ft / 4,88 m

              - Aft deck:      35,00 %,  16,00 ft / 4,88 m,  16,00 ft / 4,88 m

              - Quarter deck:  15,00 %,  16,00 ft / 4,88 m,  16,00 ft / 4,88 m

              - Average freeboard:                    16,40 ft / 5,00 m

### Ship space, strength and comments:

            Space  - Hull below water (magazines/engines, low = better): 177,5 %

                          - Above water (accommodation/working, high = better): 155,9 %

            Waterplane Area: 4.259 Square feet or 396 Square metres

            Displacement factor (Displacement / loading): 55 %

            Structure weight / hull surface area: 27 lbs/sq ft or 134 Kg/sq metre

            Hull strength (Relative):

                          - Cross-sectional: 0,55

                          - Longitudinal: 8,08

                          - Overall: 0,71

            Cramped machinery, storage, compartmentation space

            Excellent accommodation and workspace room

            Ship has slow, easy roll, a good, steady gun platform

            Excellent seaboat, comfortable, can fire her guns in the heaviest weather

## Extras and notes:

* trial speed 3.6 kts
* 24+3.6=27.6kts