Panzerkanonenboote (Armored Gunboats) & Monitore

[Nobody]

Wespe-class, German armored gunboat laid down 1894
   Ships in class:
      SMS Wespe
      SMS Biene
      SMS Mücke
      SMS Hummel
      SMS Hornisse
      SMS Fliege

Barbette ship
Central citadel ship

Displacement:
   1.005 t light; 1.050 t standard; 1.086 t normal; 1.114 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (152,23 ft / 149,28 ft) x 34,78 ft x (10,83 / 11,07 ft)
   (46,40 m / 45,50 m) x 10,60 m  x (3,30 / 3,38 m)

Armament:
      1 - 12,01" / 305 mm 35,0 cal gun - 705,48lbs / 320,00kg shells, 50 per gun
     Breech loading gun in open barbette mount, 1894 Model
     1 x Single mount on centreline, forward deck centre
      2 - 3,46" / 88,0 mm 30,0 cal guns - 15,43lbs / 7,00kg shells, 150 per gun
     Quick firing guns in deck mounts, 1894 Model
     2 x Single mounts on sides, aft deck centre
      2 - 1,46" / 37,0 mm 20,0 cal guns - 0,99lbs / 0,45kg shells, 500 per gun
     Quick firing guns in deck mounts, 1894 Model
     2 x Single mounts on sides amidships
      2 raised mounts
      Weight of broadside 738 lbs / 335 kg
      Main Torpedoes
      2 - 13,8" / 350 mm, 13,12 ft / 4,00 m torpedoes - 0,236 t each, 0,472 t total
   submerged bow tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   8,27" / 210 mm     86,58 ft / 26,39 m   6,56 ft / 2,00 m
   Ends:   3,94" / 100 mm     62,66 ft / 19,10 m   6,56 ft / 2,00 m
     Main Belt covers 89% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:         -            -         7,99" / 203 mm
   2nd:   0,79" / 20 mm         -               -

   - Armoured deck - single deck:
   For and Aft decks: 1,97" / 50 mm

   - Conning towers: Forward 1,18" / 30 mm, Aft 0,00" / 0 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 616 ihp / 460 Kw = 11,00 kts
   Range 700nm at 10,00 kts
   Bunker at max displacement = 65 tons (100% coal)

Complement:
   93 - 122

Cost:
   £0,093 million / $0,370 million

Distribution of weights at normal displacement:
   Armament: 139 tons, 12,8%
      - Guns: 138 tons, 12,8%
      - Weapons: 1 tons, 0,1%
   Armour: 473 tons, 43,5%
      - Belts: 291 tons, 26,8%
      - Armament: 66 tons, 6,1%
      - Armour Deck: 113 tons, 10,4%
      - Conning Tower: 3 tons, 0,2%
   Machinery: 106 tons, 9,7%
   Hull, fittings & equipment: 285 tons, 26,3%
   Fuel, ammunition & stores: 81 tons, 7,4%
   Miscellaneous weights: 2 tons, 0,2%
      - Hull below water: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1.639 lbs / 743 Kg = 1,9 x 12,0 " / 305 mm shells or 4,9 torpedoes
   Stability (Unstable if below 1.00): 1,49
   Metacentric height 2,0 ft / 0,6 m
   Roll period: 10,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,38
   Seaboat quality  (Average = 1.00): 1,25

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,676 / 0,678
   Length to Beam Ratio: 4,29 : 1
   'Natural speed' for length: 12,22 kts
   Power going to wave formation at top speed: 51 %
   Trim (Max stability = 0, Max steadiness = 100): 56
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   22,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Forward deck:   28,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Aft deck:   30,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Quarter deck:   20,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Average freeboard:      6,56 ft / 2,00 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 68,6%
      - Above water (accommodation/working, high = better): 54,7%
   Waterplane Area: 4.072 Square feet or 378 Square metres
   Displacement factor (Displacement / loading): 99%
   Structure weight / hull surface area: 68 lbs/sq ft or 332 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,88
      - Longitudinal: 2,99
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

[Nobody]

Schlange class, German Armored Gunboat laid down 1898
   Ships in class:
      SMS Schlange
      SMS Viper
      SMS Natter
      SMS Scorpion
      SMS Salamander
      SMS Basilisk
      SMS Blindschleiche

Displacement:
   1.965 t light; 2.052 t standard; 2.118 t normal; 2.171 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (203,41 ft / 196,85 ft) x 39,37 ft x (14,76 / 15,08 ft)
   (62,00 m / 60,00 m) x 12,00 m  x (4,50 / 4,60 m)

Armament:
      1 - 13,78" / 350 mm 35,0 cal gun - 881,85lbs / 400,00kg shells, 50 per gun
     Breech loading gun in turret on barbette mount, 1898 Model
     1 x Single mount on centreline, forward deck centre
      4 - 5,91" / 150 mm 40,0 cal guns - 88,18lbs / 40,00kg shells, 100 per gun
     Quick firing guns in casemate mounts, 1898 Model
     4 x Single mounts on sides, aft evenly spread
      3 - 1,97" / 50,0 mm 40,0 cal guns - 3,86lbs / 1,75kg shells, 150 per gun
     Quick firing guns in deck mounts, 1898 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
     2 x Single mounts on sides, aft deck centre
      2 raised mounts
      Weight of broadside 1.246 lbs / 565 kg
      Main Torpedoes
      2 - 17,7" / 450 mm, 14,76 ft / 4,50 m torpedoes - 0,489 t each, 0,978 t total
   submerged bow tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   11,8" / 300 mm   108,27 ft / 33,00 m   6,56 ft / 2,00 m
   Ends:   5,91" / 150 mm     88,55 ft / 26,99 m   4,92 ft / 1,50 m
     Main Belt covers 85% of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   11,8" / 300 mm   5,91" / 150 mm      11,8" / 300 mm
   2nd:   1,97" / 50 mm   1,18" / 30 mm      1,18" / 30 mm

   - Armoured deck - single deck:
   For and Aft decks: 2,36" / 60 mm
   Forecastle: 1,18" / 30 mm  Quarter deck: 1,97" / 50 mm

   - Conning towers: Forward 3,94" / 100 mm, Aft 1,97" / 50 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 1.150 ihp / 858 Kw = 12,00 kts
   Range 1.000nm at 10,00 kts
   Bunker at max displacement = 119 tons (100% coal)

Complement:
   155 - 202

Cost:
   £0,199 million / $0,797 million

Distribution of weights at normal displacement:
   Armament: 263 tons, 12,4%
      - Guns: 261 tons, 12,3%
      - Weapons: 2 tons, 0,1%
   Armour: 964 tons, 45,5%
      - Belts: 498 tons, 23,5%
      - Armament: 205 tons, 9,7%
      - Armour Deck: 239 tons, 11,3%
      - Conning Towers: 21 tons, 1,0%
   Machinery: 175 tons, 8,2%
   Hull, fittings & equipment: 554 tons, 26,2%
   Fuel, ammunition & stores: 154 tons, 7,3%
   Miscellaneous weights: 9 tons, 0,4%
      - Hull below water: 4 tons
      - Above deck: 5 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     2.347 lbs / 1.065 Kg = 1,8 x 13,8 " / 350 mm shells or 2,7 torpedoes
   Stability (Unstable if below 1.00): 1,12
   Metacentric height 1,5 ft / 0,5 m
   Roll period: 13,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,62
   Seaboat quality  (Average = 1.00): 1,14

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a round stern
   Block coefficient (normal/deep): 0,648 / 0,650
   Length to Beam Ratio: 5,00 : 1
   'Natural speed' for length: 14,03 kts
   Power going to wave formation at top speed: 47 %
   Trim (Max stability = 0, Max steadiness = 100): 61
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   25,00%,  8,20 ft / 2,50 m,  6,56 ft / 2,00 m
      - Forward deck:   25,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Aft deck:   30,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Quarter deck:   20,00%,  6,56 ft / 2,00 m,  6,56 ft / 2,00 m
      - Average freeboard:      6,73 ft / 2,05 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 72,7%
      - Above water (accommodation/working, high = better): 47,8%
   Waterplane Area: 5.926 Square feet or 551 Square metres
   Displacement factor (Displacement / loading): 90%
   Structure weight / hull surface area: 83 lbs/sq ft or 407 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,90
      - Longitudinal: 2,48
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Extremely poor accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform