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The World of Navalism => Imperial Navy => Imperial Roman Republic => Player Nations => Aviation Ships => Topic started by: snip on September 13, 2022, 10:35:34 PM
One Ship
--IRS Vesontio
QuoteIRS Vesontio, Imperial Roman Republic Seaplane Carrier Conversion laid down 1904
Displacement:
5,048 t light; 5,209 t standard; 5,847 t normal; 6,357 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(364.17 ft / 360.89 ft) x 54.13 ft x (20.51 / 21.86 ft)
(111.00 m / 110.00 m) x 16.50 m x (6.25 / 6.66 m)
Armament:
4 - 5.51" / 140 mm 55.0 cal guns - 85.98lbs / 39.00kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1909 Model
2 x Twin mounts on centreline, forward deck forward
2 raised mounts
1 - 3.94" / 100 mm 45.0 cal gun - 30.86lbs / 14.00kg shells, 350 per gun
Quick firing gun in deck and hoist mount, 1915 Model
1 x Single mount on centreline, forward deck aft
1 raised mount
4 - 0.26" / 6.5 mm 110.0 cal guns - 0.01lbs / 0.00kg shells, 15,000 per gun
Machine guns in deck mounts, 1911 Model
4 x Single mounts on sides, evenly spread
4 raised mounts
Weight of broadside 375 lbs / 170 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.57" / 40 mm 0.39" / 10 mm 1.57" / 40 mm
2nd: 0.59" / 15 mm - 1.57" / 40 mm
3rd: 0.20" / 5 mm - -
- Protected deck - single deck:
For and Aft decks: 1.18" / 30 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.18" / 30 mm
- Conning towers: Forward 2.95" / 75 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Direct drive, 2 shafts, 26,505 shp / 19,773 Kw = 24.40 kts
Range 3,339nm at 14.00 kts
Bunker at max displacement = 1,148 tons
Complement:
333 - 434
Cost:
£0.559 million / $2.236 million
Distribution of weights at normal displacement:
Armament: 104 tons, 1.8 %
- Guns: 104 tons, 1.8 %
Armour: 324 tons, 5.5 %
- Armament: 14 tons, 0.2 %
- Armour Deck: 290 tons, 5.0 %
- Conning Tower: 21 tons, 0.4 %
Machinery: 2,410 tons, 41.2 %
Hull, fittings & equipment: 1,595 tons, 27.3 %
Fuel, ammunition & stores: 799 tons, 13.7 %
Miscellaneous weights: 615 tons, 10.5 %
- Hull below water: 200 tons
- Hull above water: 200 tons
- On freeboard deck: 200 tons
- Above deck: 15 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3,094 lbs / 1,404 Kg = 37.0 x 5.5 " / 140 mm shells or 0.7 torpedoes
Stability (Unstable if below 1.00): 1.34
Metacentric height 3.4 ft / 1.0 m
Roll period: 12.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.16
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has low quarterdeck ,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.511 / 0.521
Length to Beam Ratio: 6.67 : 1
'Natural speed' for length: 19.00 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.52 ft / 0.16 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Forward deck: 30.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Aft deck: 35.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Quarter deck: 15.00 %, 6.56 ft / 2.00 m, 6.56 ft / 2.00 m
- Average freeboard: 14.23 ft / 4.34 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 148.0 %
- Above water (accommodation/working, high = better): 117.2 %
Waterplane Area: 13,147 Square feet or 1,221 Square metres
Displacement factor (Displacement / loading): 95 %
Structure weight / hull surface area: 80 lbs/sq ft or 391 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.13
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Adequate accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
---Fire Control (11t)
---LR Wireless (25t)
---Backup SR Wireless (10t)
---Improved Signaling Equipment (15t Above Water)
---Reserve (4t)
---3 Multi-Engine Seaplanes (495t)
---Additional Support Equpment for Seaplanes and crew (55t)