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Austro-Hungarian Project VI Battlecruiser Design by Tzoli Austro-Hungarian Project VI Battlecruiser Design by Tzoli
This was the final battlecruiser proposal by the MTK (Marinetechnische Komitee - Naval Technical Committee), Pola offered in late 1917, early 1918. It was a further improvement on the previosu Project IV type with another step taken in a larger main weapon calibre: the 42cm sized cannons. These weapons first appeared on the Imperial German navy post Jutland battleship and battlecruiser (The Grosskreuzer) designs planned for the post war fleet of Germany as well.
The two twin turret layout while reminiscent of the British Courageous class light battlecruisers this design share more similarities with the Gk 4021 and 4221 designs of the Imperial German Navy which too had the same armament but due to being faster (32knots) and would carry thicker armour of 80mm deck and 320mm belt but this resulted in a 40-42.000ton displacement some 10.000tons heavier than their Austrian counterparts!

The hull too further refined and adjusted for the heavy twin 42cm gun turrets, while the DP-AA guns moved towards the centre of the ship, further away from the blast area of the main turrets

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: 115.000shp 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: 
2x2 42cm 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…

As a side note:
While the British were the first to build battlecruisers with such minimal main armament, the Japanese designed a similar vessel with 3 and later 4 single 30cm gun turrets, I've mentioend the German Grosskreuzer series of 1916-17, but on the other side of the Atlantic Ocean the USN too palyed with the idea but they called this vessel a battle scout.
Also note that the Royal Navy's Courageous and Furious classes were designed for the Baltic Sea to provide fire support for the abortive Baltic amphibious operations and thus were very lightly armoured for minimal displacement and thus shallow draught, while the German and Austro-Hungarian proposal were true battlecruisers with thicker armour and heavier secondary armament ideal for fleet action or lone hunting duties!
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:icondrivernjax:
drivernjax Featured By Owner 3 days ago
Looks like a mixture of late 19th and early 20th Century ships.
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:icontzoli:
Tzoli Featured By Owner 3 days ago  Hobbyist Digital Artist
Not really. Only simialrites are the two turrets at the ends, but the hullform, size, and superstrutures are way different than the armoured cruisers and battleships of the late Victorian era
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:icondrivernjax:
drivernjax Featured By Owner 2 days ago
Actually, I was referring to the smaller turrets on the sides and recessed into the superstructure(?) of the ship.  This was a common design on most ships with heavier firepower during the late 19th Century.  If you can find a drawing or photo of the USS Maine, you'll notice the same things on it.  (I'm not certain what the superstructure of a ship is that's the reason for the question mark.)
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:icontzoli:
Tzoli Featured By Owner 2 days ago  Hobbyist Digital Artist
There are many differences between this battlecruiser design and that of a pre-dreadnought battleship:
Hullform: This is sleek and long for high speed, old ships had a typical even hullform with often a ram bow. It is long, almost twice as long as the last pre-dreadnough of the Royal Navy the Lord Nelson class
Engine: It was steam turbine driven and not Reciprocating or Vertical Triple expansion powered. And too few funnels for it's size compared to a pre-dreadnought but normal compared to a late WW1 capital ship.
Armaments: Much larger gun calibre than any of the pre dreeaqdnought, even larger than that of HMS Victoria and HMS Benbow. Lack of tertiary and other small calibre guns like 47 or 37mm ones. Also dual-Purpose AA guns in turrets.
Sensors: Actual and modern Range finding equipment on the superstructures.

A superstructure is any construction above the main deck which isn't a funnel or a mast. It is commonly referred as the bridge in non naval enthusiasts
en.wikipedia.org/wiki/Superstr…
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:icondsal1829:
dsal1829 Featured By Owner Oct 8, 2017
Thank you for this, Tzoli! Keep up the great work!
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:icontzoli:
Tzoli Featured By Owner Oct 8, 2017  Hobbyist Digital Artist
thx :)
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:iconsenkanyamato:
SenkanYamato Featured By Owner Aug 9, 2017
Interesting.
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:icontzoli:
Tzoli Featured By Owner Aug 9, 2017  Hobbyist Digital Artist
in what way?
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:iconsenkanyamato:
SenkanYamato Featured By Owner Aug 9, 2017
Well, I just haven't seen a ship with this design before.
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:icontzoli:
Tzoli Featured By Owner Aug 9, 2017  Hobbyist Digital Artist
Well the Germans designed similar in the Grosskreuzer GK series, so does the USN though they are called battlescouts, and the RN actually built this kind of layout:
Courageous and Furious classes
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:iconsenkanyamato:
SenkanYamato Featured By Owner Aug 9, 2017
Ah okay.
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