Swiss Raider 1910

[Desertfox]

And now for something post war.

To tell the truth I don't need it and it would require developing new 11" gun specificlly for it , but then Im known for taking irrational decisions.

IC The reason for it, is Schanhort's cruise. So NS needs a dedicated large raider. Armor is only needed to defeat 6" shells, and the 11" guns provide heavier firepower than the 9" at a lower cost than the 12" guns. Torpedoes are provided to sink merchants if need be. The speed is sufficient to run away from anything she can't defeat. While the misc weight includes 2 Marine platoons.

OOC I saw this one and decided it was a must have! :P
http://www.phpbbplanet.com/forum/viewtopic.php?t=1231&start=90&mforum=warshipprojects

Interceptor, New Switzerland Raider laid down 1910 (engine 1912)

Displacement:
   12,000 t light; 12,743 t standard; 16,549 t normal; 19,594 t full load

Dimensions: Length overall / water x beam x draught
   590.00 ft / 590.00 ft x 72.00 ft x 27.00 ft (normal load)
   179.83 m / 179.83 m x 21.95 m  x 8.23 m

Armament:
      8 - 11.00" / 279 mm guns (4x2 guns), 650.00lbs / 294.84kg shells, 1912 Model
     Breech loading guns in turrets (on barbettes)
     on centreline ends, evenly spread, 1 raised mount - superfiring
      12 - 4.00" / 102 mm guns in single mounts, 32.00lbs / 14.51kg shells, 1912 Model
     Breech loading guns in deck mounts
     on side, evenly spread
      8 - 1.57" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.89kg shells, 1912 Model
     Breech loading guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 5,600 lbs / 2,540 kg
   Shells per gun, main battery: 130
   6 - 19.7" / 500.38 mm above water torpedoes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.00" / 102 mm   320.00 ft / 97.54 m   10.00 ft / 3.05 m
   Ends:   Unarmoured
     Main Belt covers 83 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   7.00" / 178 mm   4.00" / 102 mm      7.00" / 178 mm

   - Armour deck: 2.00" / 51 mm, Conning tower: 7.00" / 178 mm

Machinery:
   Oil fired boilers, steam turbines,
   Electric motors, 4 shafts, 60,089 shp / 44,826 Kw = 27.00 kts
   Range 15,000nm at 15.00 kts
   Bunker at max displacement = 6,851 tons

Complement:
   729 - 948

Cost:
   £1.356 million / $5.426 million

Distribution of weights at normal displacement:
   Armament: 715 tons, 4.3 %
   Armour: 2,695 tons, 16.3 %
      - Belts: 562 tons, 3.4 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 983 tons, 5.9 %
      - Armour Deck: 1,052 tons, 6.4 %
      - Conning Tower: 98 tons, 0.6 %
   Machinery: 2,396 tons, 14.5 %
   Hull, fittings & equipment: 6,053 tons, 36.6 %
   Fuel, ammunition & stores: 4,549 tons, 27.5 %
   Miscellaneous weights: 140 tons, 0.8 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     20,692 lbs / 9,386 Kg = 31.1 x 11.0 " / 279 mm shells or 2.4 torpedoes
   Stability (Unstable if below 1.00): 1.11
   Metacentric height 3.7 ft / 1.1 m
   Roll period: 15.7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.78
   Seaboat quality  (Average = 1.00): 1.24

Hull form characteristics:
   Hull has low quarterdeck
   Block coefficient: 0.505
   Length to Beam Ratio: 8.19 : 1
   'Natural speed' for length: 24.29 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 57
   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:      24.00 ft / 7.32 m
      - Forecastle (20 %):   19.00 ft / 5.79 m
      - Mid (40 %):      19.00 ft / 5.79 m
      - Quarterdeck (25 %):   15.00 ft / 4.57 m (19.00 ft / 5.79 m before break)
      - Stern:      15.00 ft / 4.57 m
      - Average freeboard:   18.40 ft / 5.61 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 81.3 %
      - Above water (accommodation/working, high = better): 129.1 %
   Waterplane Area: 28,433 Square feet or 2,641 Square metres
   Displacement factor (Displacement / loading): 124 %
   Structure weight / hull surface area: 137 lbs/sq ft or 671 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.95
      - Longitudinal: 1.55
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is excellent
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

[P3D]

The Bluechers Swamphen wants to build has a very good chance defeating her. Better armor, and a 9.4" that would be sufficient to deal with this ship. And they are not slower either. Nevermind that cruisers with 6" guns can sink her with end hits.

[Desertfox]

The Bluchers don't have an imunity zone vs Interceptor's guns either and Interceptor will probably hit earlier and better due to 4x2 11" vs 2x3 9.4", and at longer ranges I has better deck armor. Also I can mantain its slightly higher top speed for much longer periods of time.

[Korpen]

The real problem with such a ships is that she is very vulnerable to older ACs, even 20cm shells could penetrate that belt at combat distances. These are the ships most likely being put on escort missions.
Also as the belt cover so little of the waterline, and is so shallow, se would be extremely vulnerable to light cruisers as well. Deck armour is not that important, 5cm is enough to stop splinters, but it can be cracked by HE shells. In fact is a gun dual with a ships such as this, shooting HE makes allot of sense.

[The Rock Doctor]

What about Scharnhorst's cruise has caused New Switzerland to need one?  From what I've read so far, Scharnhorst hasn't really done anything of strategic import...

[Desertfox]

Schanhorts has been pretty ineffective for the money, but then NS is pretty illogical. Older ACs dont have the FC to hit her at longer ranges, while she can stand back and blast them. She's a lot like the Pocket Battleships and Graf Spee did manage to hold her own against 3 cruisers at Montevideo.

[maddox]

The 3 cruisers left, and Graf Spee still is in Monte Video....

[P3D]

I won't call cutting all NS communications to the East ineffective. Your commerce will be affected by the slowing down in business communication - even the part that is maintained by foreign vessels.

Graf Spee managed to get knocked out by three cheap and weak cruisers, the type of which she was supposed to fight.

[Desertfox]

Graf Spee sunk herself after rumors of Renown of Montevideo where spread, in fact she was the least damaged of the 4 combatants and could have escaped. She was lost due to misinformation not to battle damage.

[P3D]

A well-armored 8" cruiser could have done better than AGS.

[swamphen]

From what I've read so far, Scharnhorst hasn't really done anything of strategic import...

Heretic! Blasphemer! Burn him!!
;D

I think the major issue the Swiss have with S (& G) is that there's nothing in the Pacific that has a practical chance at killing them. Scharnhorst has shown his heels to Swiss torpedo-boats, and when they do manage to get into range, they get massacred.

While the rest of his operations after Palau haven't, perhaps, been of significant significance*, the psychological effects - partuculary of completely getting away with bombarding the Swiss Home Islands! - are going to cast a long shadow over the Swiss.


* - This sentence purchased and paid for by the Department of Redundancy Department.

[maddox]

My remark about graf Spee still stands. Even  if she was undamaged, the result of the misinformation would have brought the same result.

In effect, the wireless was mightier than the gun.

[Ithekro]

I've never seen an action were the Spee survives if the British press the attack.  At least one British Cruiser, maybe two get sunk, but the Spee doesn't leave.  There are just too many targets for the Spee to handle effectively.

N-verse Scharnhorst has a slightly better chance, as she have more turrets, better armor, and plently of secondaries that would likely be effective against a light cruiser.  But even then, her chances aren't that good.

[Desertfox]

Swampy, S has been very lucky, a wrong move and she would already be underwater. There is something in the Pacific that can kill her.

BTW I have not lost a single Torpedo Boat to her guns, someone has, I havent. ;)

[Ithekro]

Mainly because your Turbina commanders are smart enough to back off under a hail of fire.