ARMADA - 1/700 models

[Jefgte]

Here is the 1/700WL model of CA Deganio Armored Cruiser INCA ROCA

Drawing





Hull in 3mm plywood in progress




Inca Roca - LD 1901 - com. 1904
Yahuar Huacac - LD 1903 - com. 1906

4800T, Peru Protected cruiser laid down 1905

Displacement:
   4 800 t light; 5 017 t standard; 5 431 t normal; 5 762 t full load

Dimensions: Length overall / water x beam x draught
   387.14 ft / 387.14 ft x 68.90 ft x 14.40 ft (normal load)
   118.00 m / 118.00 m x 21.00 m  x 4.39 m

Armament:
      4 - 9.06" / 230 mm guns (2x2 guns), 371.24lbs / 168.39kg shells, 1905 Model
     Breech loading guns in turrets (on barbettes)
     on centreline, evenly spread
      10 - 3.54" / 90.0 mm guns in single mounts, 22.24lbs / 10.09kg shells, 1905 Model
     Breech loading guns in casemate mounts
     on side, evenly spread
      4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1905 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 1 708 lbs / 775 kg
   Shells per gun, main battery: 110
   4 - 18.0" / 457 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   4.72" / 120 mm   282.15 ft / 86.00 m   8.01 ft / 2.44 m
   Ends:   1.57" / 40 mm     78.74 ft / 24.00 m   8.01 ft / 2.44 m
     26.25 ft / 8.00 m Unarmoured ends
     Main Belt covers 112 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   4.72" / 120 mm   1.97" / 50 mm      3.94" / 100 mm
   2nd:   1.57" / 40 mm         -               -
   3rd:   0.79" / 20 mm         -               -

   - Armour deck: 1.18" / 30 mm, Conning tower: 3.94" / 100 mm

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 8 500 ihp / 6 341 Kw = 18.50 kts
   Range 4 500nm at 10.00 kts
   Bunker at max displacement = 745 tons (100% coal)

Complement:
   316 - 411

Cost:
   £0.520 million / $2.079 million

Distribution of weights at normal displacement:
   Armament: 213 tons, 3.9 %
   Armour: 1 095 tons, 20.2 %
      - Belts: 492 tons, 9.1 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 191 tons, 3.5 %
      - Armour Deck: 387 tons, 7.1 %
      - Conning Tower: 26 tons, 0.5 %
   Machinery: 1 232 tons, 22.7 %
   Hull, fittings & equipment: 2 175 tons, 40.0 %
   Fuel, ammunition & stores: 631 tons, 11.6 %
   Miscellaneous weights: 85 tons, 1.6 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     5 625 lbs / 2 551 Kg = 15.2 x 9.1 " / 230 mm shells or 1.3 torpedoes
   Stability (Unstable if below 1.00): 1.49
   Metacentric height 5.6 ft / 1.7 m
   Roll period: 12.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 75 %
         - Recoil effect (Restricted arc if above 1.00): 0.17
   Seaboat quality  (Average = 1.00): 1.34

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.495
   Length to Beam Ratio: 5.62 : 1
   'Natural speed' for length: 19.68 kts
   Power going to wave formation at top speed: 44 %
   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 (% = measuring location as a percentage of overall length):
      - Stem:      15.75 ft / 4.80 m
      - Forecastle (18 %):   13.12 ft / 4.00 m
      - Mid (50 %):      11.48 ft / 3.50 m
      - Quarterdeck (17 %):   11.48 ft / 3.50 m
      - Stern:      11.48 ft / 3.50 m
      - Average freeboard:   12.23 ft / 3.73 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 111.1 %
      - Above water (accommodation/working, high = better): 126.8 %
   Waterplane Area: 17 691 Square feet or 1 644 Square metres
   Displacement factor (Displacement / loading): 101 %
   Structure weight / hull surface area: 98 lbs/sq ft or 477 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.96
      - Longitudinal: 1.39
      - Overall: 1.00
   Hull space for machinery, storage, compartmentation is adequate
   Room for accommodation and workspaces is excellent
   Ship has slow, easy roll, a good, steady gun platform
   Good seaboat, rides out heavy weather easily

[Jefgte]

 

[Jefgte]

Casemates for the 90mm guns & the 230mm turrets


The funnels in progress & a test with the turrets on the hull.

[Jefgte]

Always in progress...





Jef  ;)

[maddox]

Bien fait. 
Good job, I'm jealous and mum in law is impressed.

I'm tempted to drive over and have a personal look at your models.

[Jefgte]

Update...
Masts with high observation posts & secondary guns





;)

[miketr]

Very Cool...  I wish I could do stuff like that...

Michael

[Jefgte]

Inca Roca is finish
Here is the ship of Contra-Admiral Deganio







Jef  :MZ: