Kanonenboote (Gunboats & Sloops)

Started by Nobody, October 10, 2012, 12:54:09 PM

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Nobody

Habicht class, German Gunboat laid down 1892
   Ships in class:
      SMS Habicht
      SMS Adler
      SMS Möwe
      SMS Albatross
      SMS Nautilus
      SMS Jäger
      SMS Crocodill
      SMS Fuchs

Displacement:
   800 t light; 846 t standard; 978 t normal; 1.084 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (202,76 ft / 190,29 ft) x 28,87 ft x (12,47 / 13,52 ft)
   (61,80 m / 58,00 m) x 8,80 m  x (3,80 / 4,12 m)

Armament:
      3 - 5,91" / 150 mm 40,0 cal guns - 88,18lbs / 40,00kg shells, 150 per gun
     Quick firing guns in deck mounts, 1892 Model
     3 x Single mounts on centreline, evenly spread
      5 - 1,46" / 37,0 mm 20,0 cal guns - 0,99lbs / 0,45kg shells, 1.500 per gun
     Quick firing guns in deck mounts, 1892 Model
     4 x Single mounts on sides, evenly spread
      4 raised mounts
     1 x Single mount on centreline, forward deck forward
      Weight of broadside 269 lbs / 122 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   0,39" / 10 mm   123,69 ft / 37,70 m   6,46 ft / 1,97 m
   Ends:   0,79" / 20 mm     66,57 ft / 20,29 m   6,46 ft / 1,97 m
   Upper:   0,39" / 10 mm   123,69 ft / 37,70 m   8,01 ft / 2,44 m
     Main Belt covers 100% of normal length

   - Armoured deck - single deck:
   For and Aft decks: 0,39" / 10 mm
   Forecastle: 0,39" / 10 mm  Quarter deck: 0,39" / 10 mm

   - Conning towers: Forward 1,18" / 30 mm, Aft 0,79" / 20 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 1 shaft, 683 ihp / 510 Kw = 12,00 kts
   Range 5.700nm at 8,00 kts
   Bunker at max displacement = 238 tons (100% coal)

Complement:
   86 - 113

Cost:
   £0,058 million / $0,231 million

Distribution of weights at normal displacement:
   Armament: 46 tons, 4,7%
      - Guns: 46 tons, 4,7%
   Armour: 73 tons, 7,4%
      - Belts: 43 tons, 4,4%
      - Armour Deck: 26 tons, 2,6%
      - Conning Towers: 4 tons, 0,4%
   Machinery: 122 tons, 12,5%
   Hull, fittings & equipment: 260 tons, 26,6%
   Fuel, ammunition & stores: 178 tons, 18,2%
   Miscellaneous weights: 300 tons, 30,7%
      - Hull below water: 105 tons
      - Hull above water: 50 tons
      - On freeboard deck: 20 tons
      - Above deck: 125 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1.435 lbs / 651 Kg = 13,9 x 5,9 " / 150 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,13
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 12,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 80 %
         - Recoil effect (Restricted arc if above 1.00): 0,38
   Seaboat quality  (Average = 1.00): 2,00

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a round stern
   Block coefficient (normal/deep): 0,500 / 0,511
   Length to Beam Ratio: 6,59 : 1
   'Natural speed' for length: 13,79 kts
   Power going to wave formation at top speed: 39 %
   Trim (Max stability = 0, Max steadiness = 100): 40
   Bow angle (Positive = bow angles forward): 30,00 degrees
   Stern overhang: 5,31 ft / 1,62 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00%,  12,40 ft / 3,78 m,  9,84 ft / 3,00 m
      - Forward deck:   30,00%,  9,65 ft / 2,94 m,  9,65 ft / 2,94 m
      - Aft deck:   35,00%,  9,65 ft / 2,94 m,  9,65 ft / 2,94 m
      - Quarter deck:   15,00%,  9,65 ft / 2,94 m,  9,65 ft / 2,94 m
      - Average freeboard:      9,89 ft / 3,01 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 72,1%
      - Above water (accommodation/working, high = better): 75,2%
   Waterplane Area: 3.519 Square feet or 327 Square metres
   Displacement factor (Displacement / loading): 133%
   Structure weight / hull surface area: 46 lbs/sq ft or 224 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,88
      - Longitudinal: 3,13
      - Overall: 1,00
   Excellent machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

300 t misc
   100 t Sails
   100 t counterweight (below water, non-functional)
   25 t Radio, refitted in 1900H1
--> 625 tons light

Nobody

#1
Iltis-class, German  Gunboat laid down 1897
   Ships in class:
      SMS Iltis
      SMS Jaguar
      SMS Luchs
      SMS Panther
      SMS Tiger
      SMS Eber
      SMS Wolf
      SMS Hyäne
      SMS Hay
      SMS Pfeil
      SMS Schwalbe

Displacement:
   862 t light; 896 t standard; 1.009 t normal; 1.100 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (213,91 ft / 209,65 ft) x 29,86 ft x (11,15 / 11,91 ft)
   (65,20 m / 63,90 m) x 9,10 m  x (3,40 / 3,63 m)

Armament:
      4 - 3,46" / 88,0 mm 30,0 cal guns - 15,43lbs / 7,00kg shells, 280 per gun
     Quick firing guns in deck mounts, 1897 Model
     4 x Single mounts on side ends, evenly spread
      6 - 1,46" / 37,0 mm 20,0 cal guns - 0,99lbs / 0,45kg shells, 1.500 per gun
     Quick firing guns in deck mounts, 1897 Model
     6 x Single mounts on sides, evenly spread
      2 raised mounts
      Weight of broadside 68 lbs / 31 kg

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   1,18" / 30 mm   136,29 ft / 41,54 m   8,53 ft / 2,60 m
   Ends:   0,79" / 20 mm     73,36 ft / 22,36 m   8,20 ft / 2,50 m
   Upper:   0,79" / 20 mm   136,29 ft / 41,54 m   8,01 ft / 2,44 m
     Main Belt covers 100% of normal length

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

   - Protected deck - single deck:
   For and Aft decks: 1,18" / 30 mm
   Forecastle: 0,79" / 20 mm  Quarter deck: 1,18" / 30 mm

   - Conning towers: Forward 1,97" / 50 mm, Aft 0,79" / 20 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 1.488 ihp / 1.110 Kw = 14,80 kts
   Range 3.080nm at 10,00 kts
   Bunker at max displacement = 203 tons (100% coal)

Complement:
   89 - 116

Cost:
   £0,067 million / $0,268 million

Distribution of weights at normal displacement:
   Armament: 10 tons, 1,0%
      - Guns: 10 tons, 1,0%
   Armour: 215 tons, 21,3%
      - Belts: 113 tons, 11,2%
      - Armament: 7 tons, 0,7%
      - Armour Deck: 90 tons, 8,9%
      - Conning Towers: 6 tons, 0,6%
   Machinery: 244 tons, 24,2%
   Hull, fittings & equipment: 342 tons, 33,9%
   Fuel, ammunition & stores: 148 tons, 14,6%
   Miscellaneous weights: 50 tons, 5,0%
      - Hull below water: 5 tons
      - Hull above water: 5 tons
      - On freeboard deck: 10 tons
      - Above deck: 30 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1.738 lbs / 789 Kg = 83,6 x 3,5 " / 88 mm shells or 0,7 torpedoes
   Stability (Unstable if below 1.00): 1,24
   Metacentric height 1,2 ft / 0,4 m
   Roll period: 11,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 84 %
         - Recoil effect (Restricted arc if above 1.00): 0,11
   Seaboat quality  (Average = 1.00): 2,00

Hull form characteristics:
   Hull has rise forward of midbreak,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,506 / 0,516
   Length to Beam Ratio: 7,02 : 1
   'Natural speed' for length: 14,48 kts
   Power going to wave formation at top speed: 47 %
   Trim (Max stability = 0, Max steadiness = 100): 42
   Bow angle (Positive = bow angles forward): -30,00 degrees
   Stern overhang: 3,28 ft / 1,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00%,  15,94 ft / 4,86 m,  15,75 ft / 4,80 m
      - Forward deck:   30,00%,  15,75 ft / 4,80 m,  15,75 ft / 4,80 m
      - Aft deck:   35,00%,  11,48 ft / 3,50 m,  11,48 ft / 3,50 m
      - Quarter deck:   15,00%,  11,48 ft / 3,50 m,  11,81 ft / 3,60 m
      - Average freeboard:      13,66 ft / 4,16 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 84,1%
      - Above water (accommodation/working, high = better): 120,7%
   Waterplane Area: 4.193 Square feet or 390 Square metres
   Displacement factor (Displacement / loading): 130%
   Structure weight / hull surface area: 41 lbs/sq ft or 199 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,83
      - Longitudinal: 5,51
      - Overall: 1,00
   Adequate machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

50 t Misc
   25 t Radio, refitted in 1900H1
--> 837 tons