Eagle Class (Octavia)

Eagle class, SPQO: Navy AC laid down 1903

            6.128 t light; 6.388 t standard; 7.207 t normal; 7.863 t full load

            (123,60 m / 121,92 m) x 19,81 m  x (6,40 / 6,82 m)

  7 - 6,00" / 152 mm 40,0 cal guns - 103,51lbs / 46,95kg shells, 150 per gun

              Breech loading guns in deck mounts, 1903 Model

              5 x Single mounts on centreline, evenly spread

              2 x Single mounts on sides, forward deck aft

  12 - 4,70" / 119 mm 40,0 cal guns - 49,76lbs / 22,57kg shells, 160 per gun

              Breech loading guns in casemate mounts, 1903 Model

              12 x Single mounts on sides, evenly spread

                          6 raised mounts

  4 - 2,24" / 57,0 mm 39,0 cal guns - 5,38lbs / 2,44kg shells, 170 per gun

              Quick firing guns in deck mounts, 1903 Model

              4 x Single mounts on side ends, evenly spread

                          4 raised mounts

  Weight of broadside 1.343 lbs / 609 kg

            In 2 sets of deck mounted side rotating tubes

            In 1 sets of deck mounted reloads

## Armour:

  - Belts:            Width (max)       Length (avg)                     Height (avg)

            Main:  6,00" / 152 mm  277,00 ft / 84,43 m          12,00 ft / 3,66 m

            Ends:  2,00" / 51 mm    123,00 ft / 37,49 m          14,00 ft / 4,27 m

            Upper: 2,00" / 51 mm    278,00 ft / 84,73 m          6,00 ft / 1,83 m

              Main Belt covers 107 % of normal length

###   - Torpedo Bulkhead - Strengthened structural bulkheads:

                          1,00" / 25 mm    250,00 ft / 76,20 m          20,00 ft / 6,10 m

            Beam between torpedo bulkheads 58,00 ft / 17,68 m

###   - Gun armour:

Face (max)         Other gunhouse (avg)      Barbette/hoist (max)

            Main:  3,00" / 76 mm    1,00" / 25 mm                     -

            2nd:    2,00" / 51 mm      -                                     -

            3rd:     1,00" / 25 mm      -                                     -

###   - Armoured deck - multiple decks:

            For and Aft decks: 2,00" / 51 mm

            Forecastle: 1,50" / 38 mm  Quarter deck: 1,50" / 38 mm

## Machinery:

            Coal and oil fired boilers, steam turbines,

            Direct drive, 4 shafts, 15.613 shp / 11.647 Kw = 21,00 kts

            Range 6.000nm at 10,00 kts

            Bunker at max displacement = 1.475 tons (80% coal)

## Cost:

            £0,539 million / $2,157 million

### Distribution of weights at normal displacement:

            Armament: 191 tons, 2,6 %

              - Guns: 181 tons, 2,5 %

              - Weapons: 9 tons, 0,1 %

            Armour: 2.050 tons, 28,4 %

              - Belts: 1.122 tons, 15,6 %

              - Torpedo bulkhead: 185 tons, 2,6 %

              - Armament: 115 tons, 1,6 %

              - Armour Deck: 596 tons, 8,3 %

              - Conning Tower: 32 tons, 0,4 %

            Machinery: 1.913 tons, 26,5 %

            Hull, fittings & equipment: 1.825 tons, 25,3 %

            Fuel, ammunition & stores: 1.079 tons, 15,0 %

            Miscellaneous weights: 150 tons, 2,1 %

              - On freeboard deck: 75 tons

              - Above deck: 75 tons

### Overall survivability and seakeeping ability:

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

              9.985 lbs / 4.529 Kg = 92,5 x 6,0 " / 152 mm shells or 3,3 torpedoes

            Stability (Unstable if below 1.00): 1,64

            Metacentric height 6,0 ft / 1,8 m

            Roll period: 11,2 seconds

            Steadiness         - As gun platform (Average = 50 %): 89 %

                                          - Recoil effect (Restricted arc if above 1.00): 0,12

            Seaboat quality  (Average = 1.00): 1,79

### Hull form characteristics:

            Hull has a flush deck,

              a normal bow and a cruiser stern

            Block coefficient (normal/deep): 0,462 / 0,473

            Length to Beam Ratio: 6,15 : 1

            'Natural speed' for length: 20,00 kts

            Power going to wave formation at top speed: 50 %

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

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

            Stern overhang: 0,00 ft / 0,00 m

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

                                                      Fore end,           Aft end

              - Forecastle:   20,00 %,  16,00 ft / 4,88 m,  16,00 ft / 4,88 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:                    16,00 ft / 4,88 m

            Ship tends to be wet forward

### Ship space, strength and comments:

            Space  - Hull below water (magazines/engines, low = better): 106,4 %

                          - Above water (accommodation/working, high = better): 126,9 %

            Waterplane Area: 16.751 Square feet or 1.556 Square metres

            Displacement factor (Displacement / loading): 110 %

            Structure weight / hull surface area: 85 lbs/sq ft or 416 Kg/sq metre

            Hull strength (Relative):

                          - Cross-sectional: 0,92

                          - Longitudinal: 2,02

                          - Overall: 1,00

            Adequate 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