Fleet Tender for Peru

Started by Jefgte, July 23, 2008, 04:15:18 AM

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Jefgte

3500t, Peru Fleet Tender laid down 1913

Displacement:
   3 500 t light; 3 664 t standard; 8 109 t normal; 11 665 t full load

Dimensions: Length overall / water x beam x draught
   390.42 ft / 390.42 ft x 62.99 ft x 16.82 ft (normal load)
   119.00 m / 119.00 m x 19.20 m  x 5.13 m

Armament:
      1 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1913 Model
     Breech loading gun in deck mount
     on centreline forward
      2 - 2.00" / 50.8 mm guns in single mounts, 4.00lbs / 1.81kg shells, 1913 Model
     Quick firing guns in deck mounts
     on side, evenly spread
      2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1913 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 22 lbs / 10 kg
   Shells per gun, main battery: 150

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0.79" / 20 mm         -               -
   2nd:   0.50" / 13 mm         -               -
   3rd:   0.50" / 13 mm         -               -

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 1 shaft, 6 000 shp / 4 476 Kw = 15.61 kts
   Range 40 252nm at 12.00 kts
   Bunker at max displacement = 8 000 tons (40% coal)

Complement:
   426 - 555

Cost:
   £0.173 million / $0.693 million

Distribution of weights at normal displacement:
   Armament: 3 tons, 0.0 %
   Armour: 2 tons, 0.0 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 2 tons, 0.0 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 244 tons, 3.0 %
   Hull, fittings & equipment: 2 051 tons, 25.3 %
   Fuel, ammunition & stores: 4 609 tons, 56.8 %
   Miscellaneous weights: 1 200 tons, 14.8 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     39 474 lbs / 17 905 Kg = 2 924.0 x 3.0 " / 76 mm shells or 7.1 torpedoes
   Stability (Unstable if below 1.00): 1.47
   Metacentric height 4.8 ft / 1.5 m
   Roll period: 12.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 100 %
         - Recoil effect (Restricted arc if above 1.00): 0.00
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has raised forecastle
   Block coefficient: 0.686
   Length to Beam Ratio: 6.20 : 1
   'Natural speed' for length: 19.76 kts
   Power going to wave formation at top speed: 39 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   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:      21.98 ft / 6.70 m
      - Forecastle (18 %):   21.98 ft / 6.70 m (18.04 ft / 5.50 m aft of break)
      - Mid (30 %):      18.04 ft / 5.50 m
      - Quarterdeck (18 %):   18.04 ft / 5.50 m
      - Stern:      18.04 ft / 5.50 m
      - Average freeboard:   18.75 ft / 5.72 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 27.7 %
      - Above water (accommodation/working, high = better): 155.7 %
   Waterplane Area: 19 297 Square feet or 1 793 Square metres
   Displacement factor (Displacement / loading): 474 %
   Structure weight / hull surface area: 74 lbs/sq ft or 362 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.94
      - Longitudinal: 1.78
      - 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
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

oil - 4800t
coal - 3200t + 600t
amunition - 200t
food - 200t
material - 100t
reserve - 100t

cost : 3.5$+5$=8.5$
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

ctwaterman

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