After period of meditation I return to Shipbucket with a wish to learn to produce qualitative drawings.
So, here is my light cruiser.
![[ img ]](https://s20.postimg.org/r12lyoxqz/image.png)
Aaron Gleaves, Western Union light cruiser laid down 1925
Displacement:
4 006 t light; 4 140 t standard; 4 647 t normal; 5 052 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(444,88 ft / 423,23 ft) x 55,77 ft x (22,97 / 23,99 ft)
(135,60 m / 129,00 m) x 17,00 m x (7,00 / 7,31 m)
Armament:
8 - 5,00" / 127 mm 50,0 cal guns - 66,16lbs / 30,01kg shells, 125 per gun
Dual purpose guns in turret on barbette mounts, 1925 Model
2 x Twin mounts on centreline, aft deck aft
1 raised mount aft - superfiring
2 x Twin mounts on centreline, forward deck forward
1 raised mount - superfiring
12 - 1,58" / 40,1 mm 50,0 cal guns - 2,09lbs / 0,95kg shells, 250 per gun
Anti-air guns in deck mounts, 1925 Model
1 x Quad mount on centreline, aft deck aft
1 raised mount - superfiring
2 x Quad mounts on centreline ends, evenly spread
1 double raised mount - superfiring
12 - 1,00" / 25,4 mm 45,0 cal guns - 0,51lbs / 0,23kg shells, 300 per gun
Anti-air guns in deck mounts, 1925 Model
2 x Twin mounts on sides, aft deck aft
4 x Twin mounts on sides, forward deck forward
4 raised mounts
Weight of broadside 561 lbs / 254 kg
Main Torpedoes
16 - 21,0" / 533 mm, 25,00 ft / 7,62 m torpedoes - 1,619 t each, 25,898 t total
In 4 sets of deck mounted side rotating tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4,00" / 102 mm 175,52 ft / 53,50 m 6,89 ft / 2,10 m
Ends: 1,42" / 36 mm 164,04 ft / 50,00 m 9,84 ft / 3,00 m
83,66 ft / 25,50 m Unarmoured ends
Main Belt covers 64% of normal length
Main belt does not fully cover magazines and engineering spaces
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5,00" / 127 mm 3,50" / 89 mm 3,00" / 76 mm
2nd: 1,00" / 25 mm - -
3rd: 1,00" / 25 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 1,54" / 39 mm
Forecastle: 1,54" / 39 mm Quarter deck: 1,54" / 39 mm
- Conning towers: Forward 5,00" / 127 mm, Aft 5,00" / 127 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 30 960 shp / 23 096 Kw = 27,50 kts
Range 8 000nm at 13,00 kts
Bunker at max displacement = 912 tons
Complement:
280 - 365
Cost:
£1,110 million / $4,441 million
Distribution of weights at normal displacement:
Armament: 204 tons, 4,4%
- Guns: 152 tons, 3,3%
- Weapons: 52 tons, 1,1%
Armour: 923 tons, 19,9%
- Belts: 309 tons, 6,7%
- Armament: 157 tons, 3,4%
- Armour Deck: 397 tons, 8,5%
- Conning Towers: 60 tons, 1,3%
Machinery: 1 005 tons, 21,6%
Hull, fittings & equipment: 1 859 tons, 40,0%
Fuel, ammunition & stores: 641 tons, 13,8%
Miscellaneous weights: 15 tons, 0,3%
- On freeboard deck: 15 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
5 625 lbs / 2 552 Kg = 90,0 x 5,0 " / 127 mm shells or 1,2 torpedoes
Stability (Unstable if below 1.00): 1,13
Metacentric height 2,6 ft / 0,8 m
Roll period: 14,5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0,19
Seaboat quality (Average = 1.00): 1,00
Hull form characteristics:
Hull has raised forecastle, rise aft of midbreak,
a straight bulbous bow and a cruiser stern
Block coefficient (normal/deep): 0,300 / 0,312
Length to Beam Ratio: 7,59 : 1
'Natural speed' for length: 20,57 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 45,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 29,00%, 21,65 ft / 6,60 m, 10,33 ft / 3,15 m
- Forward deck: 0,00%, 0,00 ft / 0,00 m, 0,00 ft / 0,00 m
- Aft deck: 61,00%, 10,33 ft / 3,15 m, 10,33 ft / 3,15 m
- Quarter deck: 10,00%, 10,33 ft / 3,15 m, 14,76 ft / 4,50 m
- Average freeboard: 11,87 ft / 3,62 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 82,3%
- Above water (accommodation/working, high = better): 92,9%
Waterplane Area: 13 867 Square feet or 1 288 Square metres
Displacement factor (Displacement / loading): 133%
Structure weight / hull surface area: 92 lbs/sq ft or 447 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,93
- Longitudinal: 1,93
- Overall: 1,00
Excellent machinery, storage, compartmentation space
Adequate accommodation and workspace room
RIP "C" turret...
![[ img ]](http://i.imgur.com/zYNReAA.jpg)
