Alternatywny Scharnhorst

Kolejne niemieckie okręty pancerne planowane do zbudowani po trójce „pancerników kieszonkowych”, jeszcze przed dojściem Hitlera do władzy, jawnie zrywały z postanowieniami traktatu wersalskiego. Jeden z projektów krążownika liniowego (schlachtkreuzer) z 1928 r. przewidywał lekko opancerzony okręt o wyporności normalnej 19200 ton (lekkiej 17500 ton), uzbrojony w 8 dział 305 mm (długości 50 kal., prawdopodobnie nowego wzoru opracowanego na podstawie pierwszowojennego), ale rozwijający aż 34 w. czyniło by go to najszybszym na świecie okrętem uzbrojonym w ciężkie działa, zdolnym do zniszczenia każdego krążownika ciężkiego i jednocześnie do ucieczki przed każdym silniejszym okrętem, nowo budowanych okrętów francuskich nie wyłączając.

 

Scharnhorst, german light battlecruiser laid down 1932 (Engine 1934)

Displacement:
    17 119 t light; 18 044 t standard; 19 213 t normal; 20 148 t full load

Dimensions: Length overall / water x beam x draught
    696,26 ft / 689,07 ft x 81,66 ft x 25,43 ft (normal load)
    212,22 m / 210,03 m x 24,89 m  x 7,75 m

Armament:
      8 - 12,01" / 305 mm guns (4x2 guns), 865,70lbs / 392,67kg shells, 1932 Model
      Breech loading guns in turrets (on barbettes)
      on centreline ends, evenly spread, 2 raised mounts - superfiring
      6 - 5,91" / 150 mm guns (2x3 guns), 102,98lbs / 46,71kg shells, 1925 Model
      Quick firing guns in turrets (on barbettes)
      on side, all amidships
      3 - 5,91" / 150 mm guns (1x3 guns), 102,98lbs / 46,71kg shells, 1925 Model
      Quick firing guns in a turret (on a barbette)
      on centreline aft, all raised guns - superfiring
      4 - 3,46" / 88,0 mm guns (2x2 guns), 20,79lbs / 9,43kg shells, 1931 Model
      Anti-aircraft guns in deck mounts
      on side, all amidships, all raised mounts - superfiring
    Weight of broadside 7 936 lbs / 3 600 kg
    Shells per gun, main battery: 120
    6 - 21,0" / 533 mm above water torpedoes

Armour:
   - Belts:        Width (max)    Length (avg)        Height (avg)
    Main:    3,94" / 100 mm    451,35 ft / 137,57 m    12,50 ft / 3,81 m
    Ends:    2,95" / 75 mm    180,51 ft / 55,02 m    9,25 ft / 2,82 m
      57,22 ft / 17,44 m Unarmoured ends
      Main Belt covers 101% of normal length
      Main belt does not fully cover magazines and engineering spaces

   - Torpedo Bulkhead:
        0,71" / 18 mm    451,35 ft / 137,57 m    24,44 ft / 7,45 m

   - Gun armour:    Face (max)    Other gunhouse (avg)    Barbette/hoist (max)
    Main:    5,91" / 150 mm    3,94" / 100 mm        5,91" / 150 mm
    2nd:    1,57" / 40 mm    0,79" / 20 mm        1,57" / 40 mm
    3rd:    1,57" / 40 mm    0,79" / 20 mm        1,57" / 40 mm

   - Armour deck: 0,91" / 23 mm (deck 0,79" / 20 mm, slopes 1,18" / 30 mm, Conning tower: 7,09" / 180 mm

Machinery:
    Oil fired boilers, steam turbines,
    Geared drive, 4 shafts, 153 070 shp / 114 190 Kw = 34,00 kts
    Range 10 000nm at 12,00 kts
    Bunker at max displacement = 2 104 tons

Complement:
    815 - 1 060

Cost:
    £9,313 million / $37,253 million

Distribution of weights at normal displacement:
    Armament: 992 tons, 5,2%
    Armour: 3 077 tons, 16,0%
       - Belts: 1 118 tons, 5,8%
       - Torpedo bulkhead: 289 tons, 1,5%
       - Armament: 948 tons, 4,9%
       - Armour Deck: 611 tons, 3,2%
       - Conning Tower: 110 tons, 0,6%
    Machinery: 4 404 tons, 22,9%
    Hull, fittings & equipment: 8 547 tons, 44,5%
    Fuel, ammunition & stores: 2 094 tons, 10,9%
    Miscellaneous weights: 100 tons, 0,5%

Overall survivability and seakeeping ability:
    Survivability (Non-critical penetrating hits needed to sink ship):
      15 577 lbs / 7 066 Kg = 18,0 x 12,0 " / 305 mm shells or 2,2 torpedoes
    Stability (Unstable if below 1.00): 1,21
    Metacentric height 5,3 ft / 1,6 m
    Roll period: 15,0 seconds
    Steadiness    - As gun platform (Average = 50 %): 35 %
            - Recoil effect (Restricted arc if above 1.00): 0,50
    Seaboat quality  (Average = 1.00): 0,48

Hull form characteristics:
    Hull has rise forward of midbreak
    Block coefficient: 0,470
    Length to Beam Ratio: 8,44 : 1
    'Natural speed' for length: 26,25 kts
    Power going to wave formation at top speed: 57 %
    Trim (Max stability = 0, Max steadiness = 100): 50
    Bow angle (Positive = bow angles forward): 4,00 degrees
    Stern overhang: 5,48 ft / 1,67 m
    Freeboard (% = measuring location as a percentage of overall length):
       - Stem:        24,44 ft / 7,45 m
       - Forecastle (18%):    20,44 ft / 6,23 m
       - Mid (63%):        18,96 ft / 5,78 m (10,47 ft / 3,19 m aft of break)
       - Quarterdeck (18%):    10,47 ft / 3,19 m
       - Stern:        11,45 ft / 3,49 m
       - Average freeboard:    16,77 ft / 5,11 m
    Ship tends to be wet forward

Ship space, strength and comments:
    Space    - Hull below water (magazines/engines, low = better): 150,9%
        - Above water (accommodation/working, high = better): 133,8%
    Waterplane Area: 36 503 Square feet or 3 391 Square metres
    Displacement factor (Displacement / loading): 96%
    Structure weight / hull surface area: 165 lbs/sq ft or 807 Kg/sq metre
    Hull strength (Relative):
        - Cross-sectional: 1,00
        - Longitudinal: 1,00
        - Overall: 1,00
    Hull space for machinery, storage, compartmentation is cramped
    Room for accommodation and workspaces is excellent
    Caution: Lacks seaworthiness - very limited seakeeping ability

2 catapults, 2 seaplanes

Scharnhorst (1934)
Gneisenau (1935)