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Cockatoo Heavy Cruiser Proposal by Tzoli Cockatoo Heavy Cruiser Proposal by Tzoli
After the decommissioning of the battlecrusier HMAS Australia in 1921 and it's scuttle in 1924, the Australian Navy left only with WW1 era light cruisers and destroyers, nothing major to fight the ever increasing power of the Imperial Japanese Navy. Thus the RAN asked the Royal Navy, the Admiralty and Vickers to offer what could be built indigenously in Australia on 10.000tons. At first, plans of the Hawkins class was offered together with the new 8" gun turrets (The counties were still under development at this time) from this the Australians modified the hull to accept 3 triple or 4 twin turrets.
2 such cruisers would had been built at the Naval Dockyard at the Cockatoo Island near Sydney. From the original plans you can see that the cruiser is very much the same as the Hawkins class apart from it's enlarged size and different armament. Another unique element of this project was the usage of casemated 5" guns, meaning the Australians thought the 8" guns would not fire fast enough and required extra punch of which the quick firing guns would suffice.

At this time Vickers offered modified versions of the County class heavy cruisers, later in 1926 and 1927 it offered modified designs of the Kent class cruisers.

The designs had these characteristics:
Dimensions: 179,83 (pp) 192 (oa) x 20,88 x 5,26m
Displacement: 10.000tons (standard)
Armour: 38mm Deck, 76mm Belt
Engines: 90.000shp Parson Steam Turbines, 4 shafts
Speed: 61km/h (33knots)
Armaments: 
3x3 8"/50 (203mm) BL Mk VIII Guns,
12x1 5"/51 (127mm) BL Mk VI Guns,
4x1 4"/45 (102mm) QF Mk V AA Guns,
4x1 533mm Below Water Torpedo Tubes

Original drawing:
i.imgur.com/OzwKXZl.jpg

Add a Comment:
 
:iconmorgansshipyard:
MorgansShipyard Featured By Owner Oct 3, 2018  New Deviant Hobbyist Artist
Interesting. Kinda resembles the design I had for a cruiser with a similar role, but the casemates are an interesting addition. Weren't they considered obsolete by the mid-20s?
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:icontzoli:
Tzoli Featured By Owner Oct 4, 2018  Hobbyist Digital Artist
Yes they are but they have an important plus point:
Require very small space and no deck space at all.
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:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Oct 3, 2018
Obsolete yes due to their short range and limited arc, but when it come for weight and space saving isn't that bad and also look at Omaha-class (although 1923 CA design goals that extra 127mm guns provide more rapid-fire against destroyers and torpedo boat threats).


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:iconakiyama24:
Akiyama24 Featured By Owner Oct 3, 2018  Hobbyist General Artist
Love your warship drawings!
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:iconalexthemoron:
AlexTheMoron Featured By Owner Sep 29, 2018
Really like your incredible works! I wonder if it is possible for you to draw some French battleship proposals like Alsace N2 Design?
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:icontzoli:
Tzoli Featured By Owner Sep 30, 2018  Hobbyist Digital Artist
Maybe one day though I have in mind the planned post WW1 battleships equipped with 45cm cannons on 40.000tons displacement
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:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Sep 30, 2018
With that displacement, i thinking they could fit 8 (2 quads) or 10 guns (mixed) and armor protection probably similar to Lyon or Normandie, do you have any of those proposals? am not familiar with French archives nor speaking French.

A long term plans, Durand Viel's battlecruisers, Gille's battlecruiser and French "treaty combat cruiser-killer" too? Too much? XD
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:icontzoli:
Tzoli Featured By Owner Sep 30, 2018  Hobbyist Digital Artist
Depends on the armour scheme and desired speed
but I would think 4 twins rather quads, as these guns would be rather a big step from the 34cm cannons of the Lyon and Normandie classes
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:icontzoli:
Tzoli Featured By Owner Sep 30, 2018  Hobbyist Digital Artist
Maybe one day though I have in mind the planned post WW1 battleships equipped with 45cm cannons on 40.000tons displacement
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:iconfrankvc:
FrankvC Featured By Owner Sep 25, 2018
3x3 and casemates? Weird but I kind of like it! Is it this ship right goo.gl/images/zDUPkC  :D (Big Grin) =P (Razz) ??
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:icontzoli:
Tzoli Featured By Owner Sep 25, 2018  Hobbyist Digital Artist
No, not Zelda because you linked a Zelda / Attack on Titan crossover wallpaper
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:iconfrankvc:
FrankvC Featured By Owner Sep 25, 2018
I know Is the “Cucco” cruiser :D 
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:icontzoli:
Tzoli Featured By Owner Sep 25, 2018  Hobbyist Digital Artist
“Cucco�
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:iconfrankvc:
FrankvC Featured By Owner Sep 25, 2018
Cucco   *
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:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Sep 25, 2018
Cockatoo built heavy cruiser proposal 1923.

Glad that you draw the original design. :D (Big Grin) 
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:icontzoli:
Tzoli Featured By Owner Sep 25, 2018  Hobbyist Digital Artist
I got hold of the original high quality drawing. so I can finally draw accurately.
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:iconuglygosling:
uglygosling Featured By Owner Sep 24, 2018
Is this a proposal for an Australian-built CA? (I think I saw this somewhere before, thus my guess)
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:icontzoli:
Tzoli Featured By Owner Sep 25, 2018  Hobbyist Digital Artist
You might have as I've drawn this ship years ago
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:iconuglygosling:
uglygosling Featured By Owner Sep 28, 2018
Looking through some of my photo archives I found a photomanip photo depicting this ship as it might have looked if it had actually been built, and other 'photos' of never-were warships.
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:icontzoli:
Tzoli Featured By Owner Sep 29, 2018  Hobbyist Digital Artist
I think those from the very old and very abandoned Alt_Naval site

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:iconuglygosling:
uglygosling Featured By Owner Sep 29, 2018
That is probably where I saw the 'photo' of the Cockatoo CA
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:icontzoli:
Tzoli Featured By Owner Sep 30, 2018  Hobbyist Digital Artist
Probably :)
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:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Sep 25, 2018
Your guess is correct :) (Smile) 
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:iconsharonagathon:
SharonAgathon Featured By Owner Sep 24, 2018
Could be french
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:icontzoli:
Tzoli Featured By Owner Sep 24, 2018  Hobbyist Digital Artist
Nope
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:iconeltf177:
eltf177 Featured By Owner Sep 24, 2018
RAN Cuckoo?
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:icontzoli:
Tzoli Featured By Owner Sep 24, 2018  Hobbyist Digital Artist
What?
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:iconeltf177:
eltf177 Featured By Owner Sep 24, 2018
Royal Australian Navy CA Cuckoo...
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:icontzoli:
Tzoli Featured By Owner Sep 24, 2018  Hobbyist Digital Artist
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:iconsharlin:
sharlin Featured By Owner Sep 24, 2018
Hmm..the funnels say to me Japanese for some reason.
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:icontzoli:
Tzoli Featured By Owner Sep 24, 2018  Hobbyist Digital Artist
Far from it
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