1917 kleiner Panzerkreuzer - a gleam in the Habsburg eye ...

[Borys]

Ahoj!
In order to put more hulls on the water, the KKK is thinking of following up the Schwantzlutscher class - currently being fitted out - with three or four minimally larger vessels.

ship laid down 1917 (Engine 1912)

Displacement:
9 564 t light; 10 022 t standard; 10 948 t normal; 11 689 t full load

Dimensions: Length overall / water x beam x draught
   557,00 ft / 557,00 ft x 66,00 ft x 20,20 ft (normal load)
   169,77 m / 169,77 m x 20,12 m  x 6,16 m

Armament:
      10 - 7,50" / 191 mm guns (5x2 guns), 220,00lbs / 99,79kg shells, 1917 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, majority aft, 2 raised mounts - superfiring
      8 - 4,50" / 114 mm guns in single mounts, 50,00lbs / 22,68kg shells, 1917 Model
     Breech loading guns in casemate mounts
     on centreline, all amidships
      2 - 1,25" / 31,8 mm guns in single mounts, 1,00lbs / 0,45kg shells, 1917 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread
   Weight of broadside 2 602 lbs / 1 180 kg
   Shells per gun, main battery: 160
   4 - 20,0" / 508 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,25" / 83 mm   390,00 ft / 118,87 m   16,00 ft / 4,88 m
   Ends:   2,00" / 51 mm   167,00 ft / 50,90 m   10,00 ft / 3,05 m
   Upper:   2,00" / 51 mm   390,00 ft / 118,87 m   8,00 ft / 2,44 m
     Main Belt covers 108% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4,00" / 102 mm   2,00" / 51 mm      3,00" / 76 mm
   3rd:   2,00" / 51 mm         -         1,00" / 25 mm

   - Armour deck: 1,30" / 33 mm, Conning tower: 4,00" / 102 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 3 shafts, 63 521 shp / 47 387 Kw = 29,00 kts
   Range 10 000nm at 10,00 kts
   Bunker at max displacement = 1 666 tons (25% coal)

Complement:
   534 - 695

Cost:
   £1,741 million / $6,964 million

Distribution of weights at normal displacement:
   Armament: 309 tons, 2,8%
   Armour: 2 282 tons, 20,8%
      - Belts: 1 231 tons, 11,2%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 411 tons, 3,8%
      - Armour Deck: 598 tons, 5,5%
      - Conning Tower: 42 tons, 0,4%
   Machinery: 2 592 tons, 23,7%
   Hull, fittings & equipment: 4 031 tons, 36,8%
   Fuel, ammunition & stores: 1 384 tons, 12,6%
   Miscellaneous weights: 350 tons, 3,2%

250 tonnes - 1912 FC
20 tonnes - torpedos (12 fish)
25 tonnes - big w/t
10 tonnes - small w/t
45 tonnes - reserve


Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 305 lbs / 4 674 Kg = 48,9 x 7,5 " / 191 mm shells or 1,5 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 3,2 ft / 1,0 m
   Roll period: 15,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,47
   Seaboat quality  (Average = 1.00): 1,08

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0,516
   Length to Beam Ratio: 8,44 : 1
   'Natural speed' for length: 23,60 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      28,00 ft / 8,53 m
      - Forecastle (25%):   21,00 ft / 6,40 m
      - Mid (32%):      21,00 ft / 6,40 m (16,00 ft / 4,88 m aft of break)
      - Quarterdeck (15%):   16,00 ft / 4,88 m
      - Stern:      16,00 ft / 4,88 m
      - Average freeboard:   18,30 ft / 5,58 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 107,3%
      - Above water (accommodation/working, high = better): 147,0%
   Waterplane Area: 24 856 Square feet or 2 309 Square metres
   Displacement factor (Displacement / loading): 106%
   Structure weight / hull surface area: 108 lbs/sq ft or 529 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,26
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

[The Rock Doctor]

Looks good and practical.  Might want to knock 0.69 metres off her, though.

I'm not sure I'd bother with 30 t for mines.  Flag facilities - for station or convoy command - might be a better use of the miscellaneous weight.

[Borys]

Thanks for pointing out the excess length :)
Yes, a spare 10 small w/t is probably better use of the weight ...

EDIT: Original post now with correct lenght
Borys

[The Rock Doctor]

Much better - now you don't have to bash the bow in with a crow-bar when you drydock her.

[Jefgte]

...or instal a guillotine in place of the dock gates... :D


Well balanced cruiser.


;)

[Borys]

Ahoj!
I tinkered with the design to get a "70" gun platform. Cost me 65 tonnes.
Otherwise identical to the previously posted version.
Borys

[SMS_Viribus_Unitis]

Nice ship - alhough the project name is... questionable for a catholic monarch's ship ;-)

A prototype heavy cruiser, and a theoretical successor to project VII, a late WW1-design for a large scout for the KuK navy.

Letterstime Admiral Haus will come calling and request the specs :-)

[Borys]

Glad you like. I think I will use a pyramid, and move it forward.
Something like this:
http://combinedfleet.com/atago01.jpg
No floatplanes, naturally, instead three stacks and casemate mounts.
Borys

[SMS_Viribus_Unitis]

I'd remove the casemate guns and put them on deck, with 2-4 as AA guns. I'd prefer, well placed  fewer secondaries to more in casemates.

There was a late WW1-AA 150 mm gun in a turret for the battlecruiser designs (no idea about its specifications though), so an AA-gun larger than 30mm is not that outrageous.

[Borys]

Ahoj!
Now with deck guns and pyramid fore. The Habsburgs have not put two and two together, and did not install BAK (BallonAbwehrKannone) guns used by the Herr on KKK ships. So the automatic "one pounders" are all the AA there is ...

SMS Strudelkopf, Habsburgs Panzerkreuzer laid down 1917 (Engine 1912)

Displacement:
   9 564 t light; 10 022 t standard; 10 948 t normal; 11 689 t full load

Dimensions: Length overall / water x beam x draught
   557,00 ft / 557,00 ft x 66,00 ft x 20,20 ft (normal load)
   169,77 m / 169,77 m x 20,12 m  x 6,16 m

Armament:
      10 - 7,50" / 191 mm guns (5x2 guns), 220,00lbs / 99,79kg shells, 1917 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, majority forward, 2 raised mounts - superfiring
      8 - 4,50" / 114 mm guns in single mounts, 50,00lbs / 22,68kg shells, 1917 Model
     Breech loading guns in deck mounts
     on side, all amidships
      2 - 1,25" / 31,8 mm guns in single mounts, 1,00lbs / 0,45kg shells, 1917 Model
     Anti-aircraft guns in deck mounts
       on side, evenly spread, all raised mounts
   Weight of broadside 2 602 lbs / 1 180 kg
   Shells per gun, main battery: 160
   4 - 20,0" / 508 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,25" / 83 mm   390,00 ft / 118,87 m   16,00 ft / 4,88 m
   Ends:   2,00" / 51 mm   167,00 ft / 50,90 m   10,00 ft / 3,05 m
   Upper:   2,00" / 51 mm   390,00 ft / 118,87 m   8,00 ft / 2,44 m
     Main Belt covers 108% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4,00" / 102 mm   2,00" / 51 mm      3,00" / 76 mm
   3rd:   2,00" / 51 mm         -               -

   - Armour deck: 1,30" / 33 mm, Conning tower: 4,00" / 102 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 3 shafts, 63 521 shp / 47 387 Kw = 29,00 kts
   Range 10 000nm at 10,00 kts
   Bunker at max displacement = 1 666 tons (25% coal)

Complement:
   534 - 695

Cost:
   £1,741 million / $6,964 million

Distribution of weights at normal displacement:
   Armament: 309 tons, 2,8%
   Armour: 2 269 tons, 20,7%
      - Belts: 1 231 tons, 11,2%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 398 tons, 3,6%
      - Armour Deck: 598 tons, 5,5%
      - Conning Tower: 42 tons, 0,4%
   Machinery: 2 592 tons, 23,7%
   Hull, fittings & equipment: 4 044 tons, 36,9%
   Fuel, ammunition & stores: 1 384 tons, 12,6%
   Miscellaneous weights: 350 tons, 3,2%

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     10 356 lbs / 4 697 Kg = 49,1 x 7,5 " / 191 mm shells or 1,5 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 3,2 ft / 1,0 m
   Roll period: 15,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,47
   Seaboat quality  (Average = 1.00): 1,08

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0,516
   Length to Beam Ratio: 8,44 : 1
   'Natural speed' for length: 23,60 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 65
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      28,00 ft / 8,53 m
      - Forecastle (25%):   21,00 ft / 6,40 m
      - Mid (32%):      21,00 ft / 6,40 m (16,00 ft / 4,88 m aft of break)
      - Quarterdeck (15%):   16,00 ft / 4,88 m
      - Stern:      16,00 ft / 4,88 m
      - Average freeboard:   18,30 ft / 5,58 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 107,3%
      - Above water (accommodation/working, high = better): 147,0%
   Waterplane Area: 24 856 Square feet or 2 309 Square metres
   Displacement factor (Displacement / loading): 107%
   Structure weight / hull surface area: 109 lbs/sq ft or 531 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,27
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

[Jefgte]

Well balanced Kreuzer for 9500t

;)

[Borys]

Ahoj!
OK - I've made up my mind. The Strudelkopf class will look like the Furutaka class, maybe with less pronounced wavy line of hull.  Here I'm talking about the looks of the original configuration:
http://www.the-blueprints.com/blueprints/ships/battleships-japan/7221/view/ijn_furutaka_1926_cruiser_/

Also, the THREE funnels will be straight, and there will be no catapults. That space will go to boats and the secondaries.

I will post SS datafile from home machine later today.

Borys

[Borys]

Hopefully the finished product
SMS Strudelkopf, Habsburgs Panzerkreuzer laid down 1917 (Engine 1912)

Displacement:
   9 609 t light; 10 068 t standard; 10 996 t normal; 11 739 t full load

Dimensions: Length overall / water x beam x draught
   557,00 ft / 557,00 ft x 66,00 ft x 20,25 ft (normal load)
   169,77 m / 169,77 m x 20,12 m  x 6,17 m

Armament:
      10 - 7,50" / 191 mm guns (5x2 guns), 220,00lbs / 99,79kg shells, 1917 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, majority forward, 2 raised mounts - superfiring
      8 - 4,50" / 114 mm guns in single mounts, 50,00lbs / 22,68kg shells, 1917 Model
     Breech loading guns in deck mounts
     on side, all amidships
      2 - 1,25" / 31,8 mm guns in single mounts, 1,00lbs / 0,45kg shells, 1917 Model
     Anti-aircraft guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 2 602 lbs / 1 180 kg
   Shells per gun, main battery: 160
   8 - 20,0" / 508 mm above water torpedoes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   3,25" / 83 mm   390,00 ft / 118,87 m   16,00 ft / 4,88 m
   Ends:   2,00" / 51 mm   167,00 ft / 50,90 m   10,00 ft / 3,05 m
   Upper:   2,00" / 51 mm   390,00 ft / 118,87 m   9,00 ft / 2,74 m
     Main Belt covers 108% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4,00" / 102 mm   2,00" / 51 mm      3,00" / 76 mm
   3rd:   1,00" / 25 mm         -               -

   - Armour deck: 1,35" / 34 mm, Conning tower: 4,00" / 102 mm

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 3 shafts, 63 722 shp / 47 536 Kw = 29,00 kts
   Range 10 000nm at 10,00 kts
   Bunker at max displacement = 1 671 tons (25% coal)

Complement:
   536 - 697

Cost:
   £1,746 million / $6,984 million

Distribution of weights at normal displacement:
   Armament: 309 tons, 2,8%
   Armour: 2 293 tons, 20,9%
      - Belts: 1 263 tons, 11,5%
      - Torpedo bulkhead: 0 tons, 0,0%
      - Armament: 366 tons, 3,3%
      - Armour Deck: 621 tons, 5,7%
      - Conning Tower: 43 tons, 0,4%
   Machinery: 2 600 tons, 23,6%
   Hull, fittings & equipment: 4 041 tons, 36,8%
   Fuel, ammunition & stores: 1 387 tons, 12,6%
   Miscellaneous weights: 365 tons, 3,3%
250 - Fire Control
40 - torpedo tubes and 16 torpedos
40 - fourty mines and rails
35 - large w/t and small w/t (no longer needs weight, but I'm mentioning its presence)

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     11 429 lbs / 5 184 Kg = 54,2 x 7,5 " / 191 mm shells or 1,6 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 3,2 ft / 1,0 m
   Roll period: 15,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,49
   Seaboat quality  (Average = 1.00): 1,06

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0,517
   Length to Beam Ratio: 8,44 : 1
   'Natural speed' for length: 23,60 kts
   Power going to wave formation at top speed: 55 %
   Trim (Max stability = 0, Max steadiness = 100): 66
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      27,00 ft / 8,23 m
      - Forecastle (25%):   17,00 ft / 5,18 m
      - Mid (32%):      17,00 ft / 5,18 m
      - Quarterdeck (15%):   17,00 ft / 5,18 m
      - Stern:      17,00 ft / 5,18 m
      - Average freeboard:   18,00 ft / 5,49 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 102,6%
      - Above water (accommodation/working, high = better): 129,9%
   Waterplane Area: 24 879 Square feet or 2 311 Square metres
   Displacement factor (Displacement / loading): 106%
   Structure weight / hull surface area: 109 lbs/sq ft or 532 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,97
      - Longitudinal: 1,25
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform

[The Rock Doctor]

What does the name mean?

[Borys]

Ahoj!
Cake-head = not very bright person ...

Borys