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Austro-Hungarian Project IV Battlecruiser Design by Tzoli Austro-Hungarian Project IV Battlecruiser Design by Tzoli
The designers at MTK (Marinetechnische Komitee - Naval Technical Committee), Pola continued to improve the battlecruiser proposals taking into account the experiences gained at the battle of Jutland and in they proposed what is basically a modified Project II battlecruiser:

Larger calibre main weapons are always superior,
anything below 10cm / 4" guns are not suitable against enemy cruisers
Less casemated guns means less holes on the side and thus less danger spots.
Unique among other navies are the adoption of a fully enclosed well armoured (100mm) AA turret mounting the heaviest AA gun of the time a 15cm/50 gun. For it's era this dual purpose gun would be more than enough against the WW1 aircraft and Zeppelins (Anti-Balloon guns as the Austrians called these weapons)

Like on Project II the Project IV design too featured 3 twin 38cm cannons in par with the German designs and to use a standard shell by both countries.

Simply put Project IV is a streamlined and slightly lengthened Project II with no tertiary armament and the introduction of heavy turreted DP-AA weaponry.
If Project II was the Austro-Hungarian Renown, then Project IV is the Renown killer!

The design(s) had the following characteristics:
Dimensions: 230 (wl) x 29 x 8,82m
Displacement: 32.000tons (standard), 36.000tons (full load)
Armour: 40mm Deck, 225mm Belt
Engines: 112.000shp Steam Turbines, 4 shafts
Speed: 56km/h (30knots)
Range: 16.700km at 28km/h (9.000nm at 15knots) or
5.500km at 56km/h (3.000nm at 30knots)
Armaments: 
3x2 38cm Cannons
18x1 15cm Guns
4x1 15cm DP-AA Guns
6x1 53cm Underwater Torpedo tubes

The original drawings can be found here:
www.viribusunitis.ca/images/pr…
www.viribusunitis.ca/predesign…

Or here together with a small history on them:
stefsap.wordpress.com/2017/12/…

Edit: Fixed some error, added some details like Range finders on the Turrets for example
Edit 2: Based on my experience with the Ersatz Monarch / Improved Tegetthoff class battleship drawings I've made some some changes on these designs, mostly adding modifying the searchlight platform and the boats.

And finally based on the naming conventions of the German and Austro-Hungarian navies, the name of the class most likely be Ersatz Kaiser Karl or Ersatz Maria Theresia the two oldest armoured cruisers of the KuK navy.
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:icongolgotha17:
Golgotha17 Featured By Owner Nov 4, 2017
The text says 2x2 Cannons, so why am I counting three twin turrets? ;)
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:icontzoli:
Tzoli Featured By Owner Nov 4, 2017  Hobbyist Digital Artist
Fixed, I copy pasted the data from the Projcet VI design and forgot to fix the guns
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:icongolgotha17:
Golgotha17 Featured By Owner Nov 4, 2017
Are you certain they were armed with 23 gun turrets? Seems a little overkill. ;)
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:icontzoli:
Tzoli Featured By Owner Nov 4, 2017  Hobbyist Digital Artist
Not really. The Japanese naval commander Kanneda proposed a battleship of 600+m length and armed with 50x2 41cm cannons!
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:iconmidway2009:
Midway2009 Featured By Owner Aug 8, 2017  Hobbyist Traditional Artist
I always love these kind of designs. :D
Reply
:icontzoli:
Tzoli Featured By Owner Aug 8, 2017  Hobbyist Digital Artist
:)
Reply
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August 5, 2017
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