Palestro, italian battle monitor laid down 1920 (Engine 1921)
Displacement:
19 656 t light; 20 815 t standard; 21 989 t normal; 22 929 t full load
Dimensions: Length overall / water x beam x draught
492,13 ft / 492,13 ft x 95,14 ft x 32,81 ft (normal load)
150,00 m / 150,00 m x 29,00 m x 10,00 m
Armament:
6 - 15,00" / 381 mm guns (2x3 guns), 1 687,50lbs / 765,44kg shells, 1920 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
8 - 4,72" / 120 mm guns (4x2 guns), 52,72lbs / 23,91kg shells, 1920 Model
Quick firing guns in deck mounts with hoists
on side, all amidships
4 - 4,02" / 102 mm guns in single mounts, 32,38lbs / 14,69kg shells, 1920 Model
Anti-aircraft guns in deck mounts
on side, all amidships
Weight of broadside 10 676 lbs / 4 843 kg
Shells per gun, main battery: 120
4 - 21,0" / 533 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5,91" / 150 mm 264,99 ft / 80,77 m 11,25 ft / 3,43 m
Ends: 3,94" / 100 mm 227,07 ft / 69,21 m 11,25 ft / 3,43 m
Main Belt covers 83% of normal length
- Torpedo Bulkhead:
1,97" / 50 mm 264,99 ft / 80,77 m 24,84 ft / 7,57 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 16,5" / 420 mm 11,8" / 300 mm 15,0" / 380 mm
2nd: 3,94" / 100 mm - -
- Armour deck: 5,91" / 150 mm, Conning tower: 14,96" / 380 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 4 shafts, 16 613 shp / 12 393 Kw = 18,00 kts
Range 8 500nm at 12,00 kts
Bunker at max displacement = 2 114 tons
Complement:
902 - 1 173
Cost:
£4,465 million / $17,860 million
Distribution of weights at normal displacement:
Armament: 1 335 tons, 6,1%
Armour: 6 581 tons, 29,9%
- Belts: 1 197 tons, 5,4%
- Torpedo bulkhead: 479 tons, 2,2%
- Armament: 1 240 tons, 5,6%
- Armour Deck: 3 411 tons, 15,5%
- Conning Tower: 253 tons, 1,2%
Machinery: 572 tons, 2,6%
Hull, fittings & equipment: 11 168 tons, 50,8%
Fuel, ammunition & stores: 2 334 tons, 10,6%
Miscellaneous weights: 0 tons, 0,0%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
27 145 lbs / 12 313 Kg = 16,1 x 15,0 " / 381 mm shells or 6,5 torpedoes
Stability (Unstable if below 1.00): 1,26
Metacentric height 7,1 ft / 2,2 m
Roll period: 15,0 seconds
Steadiness - As gun platform (Average = 50 %): 33 %
- Recoil effect (Restricted arc if above 1.00): 0,10
Seaboat quality (Average = 1.00): 0,43
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,501
Length to Beam Ratio: 5,17 : 1
'Natural speed' for length: 22,18 kts
Power going to wave formation at top speed: 41 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 13,09 ft / 3,99 m
- Forecastle (23%): 13,09 ft / 3,99 m (5,25 ft / 1,60 m aft of break)
- Mid (50%): 5,25 ft / 1,60 m
- Quarterdeck (15%): 5,25 ft / 1,60 m
- Stern: 5,25 ft / 1,60 m
- Average freeboard: 7,04 ft / 2,14 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 69,9%
- Above water (accommodation/working, high = better): 32,6%
Waterplane Area: 31 225 Square feet or 2 901 Square metres
Displacement factor (Displacement / loading): 119%
Structure weight / hull surface area: 281 lbs/sq ft or 1 371 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,62
- Longitudinal: 2,33
- Overall: 1,68
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is extremely poor
Caution: Lacks seaworthiness - very limited seakeeping ability
Brak komentarzy:
Prześlij komentarz