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1 | - | MIU Ungoyiki, Mazantsi Dominion Battleship laid down 1905 |
1 | + | Dreadnought-Class, Mazantsi Dominion Battleship laid down 1905 |
2 | ||
3 | Displacement: | |
4 | - | 18,285 t light; 19,087 t standard; 20,730 t normal; 22,044 t full load |
4 | + | 18,044 t light; 19,026 t standard; 21,033 t normal; 22,639 t full load |
5 | ||
6 | Dimensions: Length (overall / waterline) x beam x draught (normal/deep) | |
7 | - | (540.03 ft / 526.90 ft) x 82.02 ft x (28.22 / 29.68 ft) |
7 | + | (564.00 ft / 550.00 ft) x 88.00 ft x (26.00 / 27.61 ft) |
8 | - | (164.60 m / 160.60 m) x 25.00 m x (8.60 / 9.05 m) |
8 | + | (171.91 m / 167.64 m) x 26.82 m x (7.92 / 8.42 m) |
9 | ||
10 | Armament: | |
11 | - | 10 - 12.00" / 305 mm 45.0 cal guns - 871.37lbs / 395.24kg shells, 80 per gun |
11 | + | 10 - 12.00" / 305 mm 45.0 cal guns - 871.37lbs / 395.24kg shells, 100 per gun |
12 | Breech loading guns in turret on barbette mounts, 1903 Model | |
13 | 3 x Twin mounts on centreline ends, majority aft | |
14 | - | 2 x Twin mounts on sides, forward deck aft |
14 | + | 2 x Twin mounts on sides, forward deck centre |
15 | - | Weight of broadside 8,714 lbs / 3,952 kg |
15 | + | 24 - 3.00" / 76.2 mm 45.0 cal guns - 13.62lbs / 6.18kg shells, 300 per gun |
16 | Quick firing guns in casemate mounts, 1904 Model | |
17 | - | 2 - 17.7" / 450 mm, 3.56 ft / 1.08 m torpedoes - 0.199 t each, 0.397 t total |
17 | + | 24 x Single mounts on sides, evenly spread |
18 | - | submerged side tubes |
18 | + | 24 hull mounts in casemates- Limited use in all but light seas |
19 | 10 - 3.00" / 76.2 mm 45.0 cal guns - 13.62lbs / 6.18kg shells, 300 per gun | |
20 | - | 1 - 0.7" / 18 mm, 11.67 ft / 3.56 m torpedo - 0.061 t total |
20 | + | Quick firing guns in casemate mounts, 1904 Model |
21 | - | submerged stern tube |
21 | + | 6 x Single mounts on centreline ends, evenly spread |
22 | 6 raised mounts | |
23 | 4 x Single mounts on sides, forward deck forward | |
24 | 4 raised mounts | |
25 | - | Main: 11.0" / 279 mm 310.86 ft / 94.75 m 10.86 ft / 3.31 m |
25 | + | Weight of broadside 9,177 lbs / 4,162 kg |
26 | - | Ends: 5.00" / 127 mm 216.01 ft / 65.84 m 10.86 ft / 3.31 m |
26 | + | |
27 | - | Upper: 7.99" / 203 mm 310.86 ft / 94.75 m 8.01 ft / 2.44 m |
27 | + | 4 - 20.0" / 508 mm, 4.00 ft / 1.22 m torpedoes - 0.259 t each, 1.035 t total |
28 | - | Main Belt covers 91 % of normal length |
28 | + | submerged bow & stern tubes |
29 | 2nd Torpedoes | |
30 | - | - Torpedo Bulkhead - Additional damage containing bulkheads: |
30 | + | 4 - 20.0" / 508 mm, 4.00 ft / 1.22 m torpedoes - 0.259 t each, 1.035 t total |
31 | - | 4.00" / 102 mm 310.86 ft / 94.75 m 26.54 ft / 8.09 m |
31 | + | below water reloads |
32 | - | Beam between torpedo bulkheads 65.62 ft / 20.00 m |
32 | + | |
33 | Armour: | |
34 | - Belts: Width (max) Length (avg) Height (avg) | |
35 | - | Main: 12.0" / 305 mm 3.00" / 76 mm 11.0" / 279 mm |
35 | + | Main: 12.0" / 305 mm 425.00 ft / 129.54 m 10.87 ft / 3.31 m |
36 | Ends: 6.00" / 152 mm 125.00 ft / 38.10 m 10.87 ft / 3.31 m | |
37 | Upper: 8.00" / 203 mm 425.00 ft / 129.54 m 8.00 ft / 2.44 m | |
38 | - | For and Aft decks: 2.34" / 60 mm |
38 | + | Main Belt covers 119 % of normal length |
39 | - | Forecastle: 0.98" / 25 mm Quarter deck: 0.98" / 25 mm |
39 | + | |
40 | - Torpedo Bulkhead - Strengthened structural bulkheads: | |
41 | - | - Conning towers: Forward 11.00" / 279 mm, Aft 11.00" / 279 mm |
41 | + | 4.00" / 102 mm 425.00 ft / 129.54 m 25.70 ft / 7.83 m |
42 | Beam between torpedo bulkheads 55.00 ft / 16.76 m | |
43 | ||
44 | - Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max) | |
45 | - | Direct drive, 4 shafts, 28,564 shp / 21,309 Kw = 21.00 kts |
45 | + | Main: 12.0" / 305 mm 6.00" / 152 mm 11.0" / 279 mm |
46 | - | Range 6,620nm at 10.00 kts |
46 | + | 2nd: 3.00" / 76 mm 1.00" / 25 mm - |
47 | - | Bunker at max displacement = 2,957 tons (100% coal) |
47 | + | |
48 | - Armoured deck - multiple decks: | |
49 | For and Aft decks: 3.00" / 76 mm | |
50 | - | 863 - 1,122 |
50 | + | Forecastle: 3.00" / 76 mm Quarter deck: 3.00" / 76 mm |
51 | ||
52 | - Conning towers: Forward 14.00" / 356 mm, Aft 0.00" / 0 mm | |
53 | - | £1.787 million / $7.146 million |
53 | + | |
54 | Machinery: | |
55 | Coal fired boilers, steam turbines, | |
56 | - | Armament: 1,550 tons, 7.5 % |
56 | + | Direct drive, 4 shafts, 28,629 shp / 21,357 Kw = 21.00 kts |
57 | - | - Guns: 1,549 tons, 7.5 % |
57 | + | Range 8,000nm at 10.00 kts |
58 | - | - Weapons: 1 tons, 0.0 % |
58 | + | Bunker at max displacement = 3,613 tons (100% coal) |
59 | - | Armour: 7,632 tons, 36.8 % |
59 | + | |
60 | - | - Belts: 2,978 tons, 14.4 % |
60 | + | |
61 | - | - Torpedo bulkhead: 1,221 tons, 5.9 % |
61 | + | 873 - 1,135 |
62 | - | - Armament: 1,890 tons, 9.1 % |
62 | + | |
63 | - | - Armour Deck: 1,185 tons, 5.7 % |
63 | + | |
64 | - | - Conning Towers: 358 tons, 1.7 % |
64 | + | £1.802 million / $7.208 million |
65 | - | Machinery: 2,380 tons, 11.5 % |
65 | + | |
66 | - | Hull, fittings & equipment: 6,674 tons, 32.2 % |
66 | + | |
67 | - | Fuel, ammunition & stores: 2,445 tons, 11.8 % |
67 | + | Armament: 1,640 tons, 7.8 % |
68 | - | Miscellaneous weights: 50 tons, 0.2 % |
68 | + | - Guns: 1,636 tons, 7.8 % |
69 | - | - On freeboard deck: 50 tons |
69 | + | - Weapons: 3 tons, 0.0 % |
70 | Armour: 9,213 tons, 43.8 % | |
71 | - Belts: 3,778 tons, 18.0 % | |
72 | - Torpedo bulkhead: 1,617 tons, 7.7 % | |
73 | - | 29,583 lbs / 13,419 Kg = 34.2 x 12.0 " / 305 mm shells or 33.8 torpedoes |
73 | + | - Armament: 1,636 tons, 7.8 % |
74 | - | Stability (Unstable if below 1.00): 1.13 |
74 | + | - Armour Deck: 1,953 tons, 9.3 % |
75 | - | Metacentric height 4.6 ft / 1.4 m |
75 | + | - Conning Tower: 230 tons, 1.1 % |
76 | - | Roll period: 16.0 seconds |
76 | + | Machinery: 2,386 tons, 11.3 % |
77 | - | Steadiness - As gun platform (Average = 50 %): 89 % |
77 | + | Hull, fittings & equipment: 4,706 tons, 22.4 % |
78 | - | - Recoil effect (Restricted arc if above 1.00): 0.97 |
78 | + | Fuel, ammunition & stores: 2,989 tons, 14.2 % |
79 | - | Seaboat quality (Average = 1.00): 1.79 |
79 | + | Miscellaneous weights: 100 tons, 0.5 % |
80 | - Above deck: 100 tons | |
81 | ||
82 | - | Hull has rise forward of midbreak, |
82 | + | |
83 | Survivability (Non-critical penetrating hits needed to sink ship): | |
84 | - | Block coefficient (normal/deep): 0.595 / 0.602 |
84 | + | 28,391 lbs / 12,878 Kg = 32.9 x 12.0 " / 305 mm shells or 27.9 torpedoes |
85 | - | Length to Beam Ratio: 6.42 : 1 |
85 | + | Stability (Unstable if below 1.00): 1.35 |
86 | - | 'Natural speed' for length: 22.95 kts |
86 | + | Metacentric height 7.0 ft / 2.1 m |
87 | - | Power going to wave formation at top speed: 47 % |
87 | + | Roll period: 14.0 seconds |
88 | Steadiness - As gun platform (Average = 50 %): 67 % | |
89 | - | Bow angle (Positive = bow angles forward): -17.00 degrees |
89 | + | - Recoil effect (Restricted arc if above 1.00): 0.37 |
90 | - | Stern overhang: 6.56 ft / 2.00 m |
90 | + | Seaboat quality (Average = 1.00): 1.33 |
91 | ||
92 | Hull form characteristics: | |
93 | - | - Forecastle: 20.50 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m |
93 | + | Hull has a flush deck, |
94 | - | - Forward deck: 22.00 %, 26.25 ft / 8.00 m, 26.25 ft / 8.00 m |
94 | + | |
95 | - | - Aft deck: 37.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m |
95 | + | Block coefficient (normal/deep): 0.585 / 0.593 |
96 | - | - Quarter deck: 20.50 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m |
96 | + | Length to Beam Ratio: 6.25 : 1 |
97 | - | - Average freeboard: 22.47 ft / 6.85 m |
97 | + | 'Natural speed' for length: 23.45 kts |
98 | Power going to wave formation at top speed: 45 % | |
99 | Trim (Max stability = 0, Max steadiness = 100): 50 | |
100 | - | Space - Hull below water (magazines/engines, low = better): 90.7 % |
100 | + | Bow angle (Positive = bow angles forward): -4.00 degrees |
101 | - | - Above water (accommodation/working, high = better): 153.7 % |
101 | + | Stern overhang: 5.00 ft / 1.52 m |
102 | - | Waterplane Area: 31,461 Square feet or 2,923 Square metres |
102 | + | |
103 | - | Displacement factor (Displacement / loading): 103 % |
103 | + | |
104 | - | Structure weight / hull surface area: 153 lbs/sq ft or 748 Kg/sq metre |
104 | + | - Forecastle: 20.00 %, 17.00 ft / 5.18 m, 15.00 ft / 4.57 m |
105 | - Forward deck: 30.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m | |
106 | - | - Cross-sectional: 0.92 |
106 | + | - Aft deck: 35.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m |
107 | - | - Longitudinal: 2.10 |
107 | + | - Quarter deck: 15.00 %, 15.00 ft / 4.57 m, 15.00 ft / 4.57 m |
108 | - Average freeboard: 15.16 ft / 4.62 m | |
109 | - | Adequate machinery, storage, compartmentation space |
109 | + | Ship tends to be wet forward |
110 | - | Excellent accommodation and workspace room |
110 | + | |
111 | - | Ship has slow, easy roll, a good, steady gun platform |
111 | + | |
112 | - | Excellent seaboat, comfortable, can fire her guns in the heaviest weather |
112 | + | Space - Hull below water (magazines/engines, low = better): 117.6 % |
113 | - Above water (accommodation/working, high = better): 114.2 % | |
114 | Waterplane Area: 34,905 Square feet or 3,243 Square metres | |
115 | Displacement factor (Displacement / loading): 95 % | |
116 | Structure weight / hull surface area: 150 lbs/sq ft or 731 Kg/sq metre | |
117 | Hull strength (Relative): | |
118 | - Cross-sectional: 0.98 | |
119 | - Longitudinal: 1.20 | |
120 | - Overall: 1.00 | |
121 | Cramped machinery, storage, compartmentation space | |
122 | Adequate accommodation and workspace room | |
123 | Good seaboat, rides out heavy weather easily | |
124 | ||
125 | Guns: | |
126 | 12"/45 Citadon Vict-Arms Type 10 - 1903 |