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Modified HMAS Adelaide designs by Tzoli Modified HMAS Adelaide designs by Tzoli
After the 3 Melbourne (Town class, Chatham Group) class cruisers Australia received or built they prepared to lay down their 4th one the August of 1915. This time it was to be the newest type of the Town class: The Birmingham group, but the designers were asked for armament alternatives using 9,2in and 7,5in guns.
Using the same weight as the original armament of these cruisers of 9x 6in guns the hull could accommodate 2x 9,2in or 3x 7,5in guns of which the first version was ruled out as two guns would not be enough for ranging. The designers were asked what could be done with 4x or 5x 7,5/45 BL Mk VI guns on a greater displacement with all guns on the centreline and with an ammo supply of 300 rounds rather 150 of standard practice as the ships would probably fight at a longer range.
The designs would carry the same armour and range, though the machinery was to be enlarged to 27.500shp and a speed of 25,5knots were excepted which was helped by the lengthened hull of these two designs with the extra tonnage gained from the new guns and turrets as well as the longer armour belt.
Official sketches show this kind of turret (yes, fully enclosed turrets) and funnel arrangements hence their layouts.

Thus I've created these two drawings based on official DNC sketches though I've added 2x 40mm / 2pdr pom-pom and 2x 3" AA guns and used the Warrior's turrets as a basis for the main guns.


The designs had these characteristics:
Dimensions: 137,16 (pp) x 15,2 x 4,9m (141,73m on Variant B)
Displacement: 5.754tons (standard), 6.540tons (full load) (6.118tons (standard), 7.000tons (full load) on Variant B)
Armour: 19mm Deck, 76mm Belt
Engines: 27.500shp Parson Steam Turbines, 2 shafts
Speed: 47km/h (25,5knots)
Range: 7.700km (4.160nm)
Armaments: 
4x1 7,5"/45 (190mm) BL Mk VI (5x1 on Variant B)
2x1 3"/45 (76mm) QF HA Mk II AA Gun
2x1 40mm/39 QF Mk II Pom-pom AA Gun
2x1 533mm Below Water Torpedo Tubes


Compare it to Adelaide as finished in 1922:

Dimensions: 131,06 (pp) 141 (oa) x 15,2 x 4,9m
Displacement: 5.550tons (standard), 6.160tons (full load)
Armour: 19mm Deck, 76mm Belt
Engines: 25.500shp Parson Steam Turbines, 2 shafts
Speed: 47km/h (25,5knots)
Range: 7.700km (4.160nm)
Armaments: 
9x1 6"/45 (152mm) BL Mk XII Guns
1x1 3"/40 (76mm) QF Mk I AA Gun
2x1 533mm Below Water Torpedo Tubes
Add a Comment:
 
:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Sep 22, 2018
Any plan to redraw the Cockatoo 1944 cruiser at some point too?
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:icontzoli:
Tzoli Featured By Owner Sep 23, 2018  Hobbyist Digital Artist
Reply
:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Sep 23, 2018
I mean the heavy cruiser one, already saw this.
Reply
:icontzoli:
Tzoli Featured By Owner Sep 23, 2018  Hobbyist Digital Artist
Cockatoo not designed a heavy cruiser in 1944 that was designed in 1923!
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:iconmidway2009:
Midway2009 Featured By Owner Sep 21, 2018  Hobbyist Traditional Artist
Awesome work
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:iconeltf177:
eltf177 Featured By Owner Sep 21, 2018
Very nice. I'm wondering though if the recoil of the 7.5-inch gun might be a bit too much for such light hulls. Firing a full broadside would certainly be an adventure...
Reply
:icontzoli:
Tzoli Featured By Owner Sep 21, 2018  Hobbyist Digital Artist
These cruisers designed with 9x 6" guns with a full broadside of 5 such guns so I doubt they would had issues.
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:iconsharlin:
sharlin Featured By Owner Sep 21, 2018
Interesting, a possible use for an aging ship for sure.  Probably a tad expensive to refit her like this but still.
Reply
:icontzoli:
Tzoli Featured By Owner Sep 21, 2018  Hobbyist Digital Artist
No these plans were drawn up when Australia ordered the ship! Read the description...
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:iconsharlin:
sharlin Featured By Owner Sep 21, 2018
Oh I did :) And the work you did is superb, but just to my eye, the shiip would look better if the funnels were widely spaced.  I understand why they are like that, they are all together for compactness and weight saving as the uptakes are above the boilers and you did a great job here.
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:icontzoli:
Tzoli Featured By Owner Sep 22, 2018  Hobbyist Digital Artist
What??? Which design we talking about???
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:iconsharlin:
sharlin Featured By Owner Sep 22, 2018
Sorry, was thinking about your other Australian ship the CL 1944 design.  Sorry for any confusion, was a bit late when I replied to your comment.
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:icontzoli:
Tzoli Featured By Owner Sep 23, 2018  Hobbyist Digital Artist
Okay
Reply
:icondelaney8:
Delaney8 Featured By Owner Sep 19, 2018
A Japanese Krasny Kavkaz styled pre-Furutaka???
Reply
:icontzoli:
Tzoli Featured By Owner Sep 19, 2018  Hobbyist Digital Artist
Nope :)
Reply
:iconuglygosling:
uglygosling Featured By Owner Sep 18, 2018
Looks like a cross between a British WW1 light cruiser and the Japanese Furutaka before it was modernized.
Reply
:icontzoli:
Tzoli Featured By Owner Sep 19, 2018  Hobbyist Digital Artist
British origins are correct but not Japanese
Reply
:iconuglygosling:
uglygosling Featured By Owner Sep 19, 2018
As always, it will be interesting when you finish the design
Reply
:iconskibud98:
Skibud98 Featured By Owner Edited Sep 17, 2018  Student Digital Artist
What a beauty! A single turret though seems rather underpowered?
Reply
:icontzoli:
Tzoli Featured By Owner Sep 17, 2018  Hobbyist Digital Artist
Hull strength and top-weight issues
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:icondarkwanderer123456:
Kinda remind me Atlantic cruiser projects, also are those 6" guns? or different?
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:icontzoli:
Tzoli Featured By Owner Sep 17, 2018  Hobbyist Digital Artist
Not 6" but the idea are the same
Reply
:icondarkwanderer123456:
darkwanderer123456 Featured By Owner Sep 17, 2018
i checked the weapon diagrams looking for the similar caliber of your ship, i would guess this either 19cm or 20cm guns (possibly large but no exceed to 23/24cm given the bore size).
Reply
:icontzoli:
Tzoli Featured By Owner Sep 17, 2018  Hobbyist Digital Artist
Not that large :)
Also I periodically update my diagram so not all new guns are shown especially when I'm making a new drawing
Reply
:iconeltf177:
eltf177 Featured By Owner Sep 17, 2018
I'm thinking 7.5-inch (190mm) as well. So RN or maybe KuK (Austro-Hungary)?
Reply
:icontzoli:
Tzoli Featured By Owner Sep 17, 2018  Hobbyist Digital Artist
You know if you answer to your own reply I will be not notified that you made an actual reply!
Reply
:iconeltf177:
eltf177 Featured By Owner Sep 17, 2018
???
Reply
:icontzoli:
Tzoli Featured By Owner Sep 17, 2018  Hobbyist Digital Artist
Ahh sorry I though you meant that comment to me not for darkwanderer
Reply
:iconeltf177:
eltf177 Featured By Owner Sep 17, 2018
Understood...
Reply
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