Okręty w typie:
Tremendous (1896)
Impregnable (1897)
Excellent (1898)
Tremendous, british armoured cruiser laid down 1895 (Engine 1896)
Displacement:
13 450 t light; 13 923 t standard; 15 336 t normal; 16 466 t full load
Dimensions: Length overall / water x beam x draught
551,84 ft / 542,32 ft x 70,21 ft x 25,26 ft (normal load)
168,20 m / 165,30 m x 21,40 m x 7,70 m
Armament:
2 - 12,01" / 305 mm guns in single mounts, 865,70lbs / 392,67kg shells, 1895 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
12 - 5,98" / 152 mm guns in single mounts, 107,15lbs / 48,60kg shells, 1895 Model
Quick firing guns in casemate mounts
on side, evenly spread
8 - 2,24" / 57,0 mm guns in single mounts, 5,65lbs / 2,56kg shells, 1895 Model
Quick firing guns in casemate mounts
on side, evenly spread
8 - 1,46" / 37,0 mm guns in single mounts, 1,55lbs / 0,70kg shells, 1895 Model
Breech loading guns in casemate mounts
on side ends, evenly spread
Weight of broadside 3 075 lbs / 1 395 kg
Shells per gun, main battery: 90
4 - 18,0" / 457 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5,24" / 133 mm 262,47 ft / 80,00 m 9,84 ft / 3,00 m
Ends: Unarmoured
Main Belt covers 74% of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8,50" / 216 mm 5,51" / 140 mm 7,52" / 191 mm
2nd: 4,02" / 102 mm - -
3rd: 1,57" / 40 mm - -
- Armour deck: 2,01" / 51 mm, Conning tower: 5,79" / 147 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 38 220 ihp / 28 512 Kw = 24,00 kts
Range 7 200nm at 10,00 kts
Bunker at max displacement = 2 543 tons (100% coal)
Complement:
688 - 895
Cost:
£1,685 million / $6,742 million
Distribution of weights at normal displacement:
Armament: 384 tons, 2,5%
Armour: 2 185 tons, 14,2%
- Belts: 615 tons, 4,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 498 tons, 3,2%
- Armour Deck: 995 tons, 6,5%
- Conning Tower: 77 tons, 0,5%
Machinery: 6 370 tons, 41,5%
Hull, fittings & equipment: 4 511 tons, 29,4%
Fuel, ammunition & stores: 1 885 tons, 12,3%
Miscellaneous weights: 0 tons, 0,0%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6 728 lbs / 3 052 Kg = 7,8 x 12,0 " / 305 mm shells or 1,0 torpedoes
Stability (Unstable if below 1.00): 1,59
Metacentric height 6,4 ft / 1,9 m
Roll period: 11,7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,20
Seaboat quality (Average = 1.00): 1,39
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,558
Length to Beam Ratio: 7,72 : 1
'Natural speed' for length: 23,29 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -13,00 degrees
Stern overhang: 9,51 ft / 2,90 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23,62 ft / 7,20 m
- Forecastle (20%): 16,40 ft / 5,00 m
- Mid (50%): 15,09 ft / 4,60 m
- Quarterdeck (15%): 15,09 ft / 4,60 m
- Stern: 16,73 ft / 5,10 m
- Average freeboard: 16,25 ft / 4,95 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 158,9%
- Above water (accommodation/working, high = better): 114,1%
Waterplane Area: 26 773 Square feet or 2 487 Square metres
Displacement factor (Displacement / loading): 85%
Structure weight / hull surface area: 114 lbs/sq ft or 555 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,97
- Longitudinal: 1,25
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
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