http://denodon.deviantart.com/art/Tago-C…royer-113623338 for drawing
Tago Class, RSR Destroyer laid down 1919
Displacement:
1,898 t light; 1,944 t standard; 1,984 t normal; 2,015 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(425.84 ft / 420.00 ft) x 30.00 ft x (9.50 / 9.62 ft)
(129.80 m / 128.02 m) x 9.14 m x (2.90 / 2.93 m)
Armament:
1 - 4.72" / 120 mm 45.0 cal gun - 53.18lbs / 24.12kg shells, 220 per gun
Breech loading gun in deck mounts, 1919 Model
4 x Single mounts on centreline, evenly spread
2 - 0.79" / 20.0 mm 45.0 cal guns - 0.24lbs / 0.11kg shells, 350 per gun
Machine guns in deck mounts, 1919 Model
2 x 2 row twin mounts on centreline, forward deck aft
Weight of broadside 54 lbs / 24 kg
Main Torpedoes
6 - 20.9" / 530 mm, 5.91 ft / 1.80 m torpedoes - 0.461 t each, 2.765 t total
In 4 sets of deck mounted centre rotating tubes
Mines
20 - 50.00 lbs / 22.68 kg mines - 0.446 t total
in Above water - Stern racks/rails
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.00" / 25 mm 219.05 ft / 66.77 m 6.57 ft / 2.00 m
Ends: Unarmoured
Main Belt covers 80 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm - -
2nd: 1.00" / 25 mm - -
- Box over machinery & magazines:
1.00" / 25 mm
Forecastle: 1.00" / 25 mm Quarter deck: 1.00" / 25 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 34,214 shp / 25,523 Kw = 32.16 kts
Range 2,015nm at 8.00 kts
Bunker at max displacement = 71 tons
Complement:
148 - 193
Cost:
£0.467 million / $1.870 million
Distribution of weights at normal displacement:
Armament: 14 tons, 0.7 %
- Guns: 8 tons, 0.4 %
- Weapons: 6 tons, 0.3 %
Armour: 124 tons, 6.2 %
- Belts: 59 tons, 3.0 %
- Armament: 22 tons, 1.1 %
- Armour Deck: 42 tons, 2.1 %
Machinery: 1,037 tons, 52.3 %
Hull, fittings & equipment: 723 tons, 36.4 %
Fuel, ammunition & stores: 86 tons, 4.3 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
864 lbs / 392 Kg = 16.4 x 4.7 " / 120 mm shells or 0.9 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 1.1 ft / 0.3 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.06
Seaboat quality (Average = 1.00): 1.19
Hull form characteristics:
Hull has a flush deck,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.580 / 0.582
Length to Beam Ratio: 14.00 : 1
'Natural speed' for length: 21.61 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 8.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 20.19 ft / 6.15 m, 16.52 ft / 5.04 m
- Forward deck: 20.00 %, 16.52 ft / 5.04 m, 12.85 ft / 3.92 m
- Aft deck: 45.00 %, 12.85 ft / 3.92 m, 12.85 ft / 3.92 m
- Quarter deck: 15.00 %, 12.85 ft / 3.92 m, 12.85 ft / 3.92 m
- Average freeboard: 14.24 ft / 4.34 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.4 %
- Above water (accommodation/working, high = better): 147.3 %
Waterplane Area: 9,271 Square feet or 861 Square metres
Displacement factor (Displacement / loading): 77 %
Structure weight / hull surface area: 40 lbs/sq ft or 197 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.78
- Longitudinal: 1.54
- Overall: 0.83
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Need Critique as to wether this ship would actually be a possible/realistic design