Buques desactivadores de minas

[Jefgte]

M-200 Class, NUS Minesweeper laid down 1912 (Engine 1909)

Image based on parts by Wes Wilson, modified by me.

M200
M201

Displacement:
   480 t light; 499 t standard; 676 t normal; 818 t full load

Dimensions: Length overall / water x beam x draught
   207.00 ft / 200.00 ft x 30.00 ft x 8.00 ft (normal load)
   63.09 m / 60.96 m x 9.14 m  x 2.44 m

Armament:
     1 - 4.00" / 102 mm guns in single mounts, 30.00lbs / 13.61kg shells, 1906 Model
     Quick firing gun in deck mount
     on centreline forward
     6 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1906 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 33 lbs / 15 kg
   Shells per gun, main battery: 300

Armour:
  - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1.00" / 25 mm   1.00" / 25 mm            -

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 1,254 ihp / 935 Kw = 15.00 kts
   Range 7,500nm at 10.00 kts
   Bunker at max displacement = 318 tons (100% coal)

Complement:
   66 - 86

Cost:
   £0.034 million / $0.136 million

Distribution of weights at normal displacement:
   Armament: 4 tons, 0.6 %
   Armour: 3 tons, 0.5 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 3 tons, 0.5 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 96 tons, 14.3 %
   Hull, fittings & equipment: 256 tons, 37.9 %
   Fuel, ammunition & stores: 196 tons, 29.0 %
   Miscellaneous weights: 120 tons, 17.7 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     1,565 lbs / 710 Kg = 48.9 x 4.0 " / 102 mm shells or 0.8 torpedoes
   Stability (Unstable if below 1.00): 1.26
   Metacentric height 1.3 ft / 0.4 m
   Roll period: 11.3 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.05
   Seaboat quality  (Average = 1.00): 2.00

Hull form characteristics:
   Hull has raised forecastle, rise forward of midbreak
   Block coefficient: 0.493
   Length to Beam Ratio: 6.67 : 1
   'Natural speed' for length: 14.14 kts
   Power going to wave formation at top speed: 48 %
   Trim (Max stability = 0, Max steadiness = 100): 35
   Bow angle (Positive = bow angles forward): 14.04 degrees
   Stern overhang: 2.00 ft / 0.61 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      20.00 ft / 6.10 m
      - Forecastle (20 %):   18.00 ft / 5.49 m (16.00 ft / 4.88 m aft of break)
      - Mid (50 %):      16.00 ft / 4.88 m (8.00 ft / 2.44 m aft of break)
      - Quarterdeck (15 %):   8.00 ft / 2.44 m
      - Stern:      8.00 ft / 2.44 m
      - Average freeboard:   12.56 ft / 3.83 m

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 71.9 %
      - Above water (accommodation/working, high = better): 134.0 %
   Waterplane Area: 3,972 Square feet or 369 Square metres
   Displacement factor (Displacement / loading): 193 %
   Structure weight / hull surface area: 36 lbs/sq ft or 175 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.85
      - Longitudinal: 4.52
      - 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

10t W/T
100t Mines
20t Sweeping gear

[Jefgte]

1912
Rio Nevati
Rio Yucayali
Rio Pozulo
Rio Pisqui
rebuilt for Minesweeping in 1915H1

1913
Rio Marano
Rio Apurimac
Rio Hualagua
Rio Puruis
Rebuilt for Minesweeping in 1915H2


Aft 90mm gun is remove & material for Minesweeping
installed.
Mis weight 22t was 12t


125T, Peru GB-Minesweeping laid down 1912

Displacement:
   125 t light; 132 t standard; 139 t normal; 145 t full load

Dimensions: Length overall / water x beam x draught
   138.83 ft / 137.80 ft x 19.69 ft x 4.23 ft (normal load)
   42.31 m / 42.00 m x 6.00 m  x 1.29 m

Armament:
      1 - 3.54" / 90.0 mm guns in single mounts, 22.24lbs / 10.09kg shells, 1912 Model
     Quick firing gun in deck mount
     on centreline
      2 - 2.00" / 50.8 mm guns in single mounts, 4.00lbs / 1.81kg shells, 1912 Model
     Quick firing guns in deck mounts
     on centreline, all amidships
      2 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1912 Model
     Machine guns in deck mounts
     on side, evenly spread
   Weight of broadside 30 lbs / 14 kg
   Shells per gun, main battery: 200

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

Machinery:
   Petrol Internal combustion motors,
   Direct drive, 2 shafts, 540 shp / 403 Kw = 15.12 kts
   Range 350nm at 15.00 kts
2500nm -7kts
750nm - 12kts
350nm - 15kts
   Bunker at max displacement = 13 tons

Complement:
   19 - 26

Cost:
   £0.011 million / $0.042 million

Distribution of weights at normal displacement:
   Armament: 4 tons, 2.7 %
   Armour: 3 tons, 2.2 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 3 tons, 2.2 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 22 tons, 15.5 %
   Hull, fittings & equipment: 75 tons, 54.0 %
   Fuel, ammunition & stores: 14 tons, 9.8 %
   Miscellaneous weights: 22 tons, 15.8 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     310 lbs / 141 Kg = 13.9 x 3.5 " / 90 mm shells or 0.4 torpedoes
   Stability (Unstable if below 1.00): 1.13
   Metacentric height 0.5 ft / 0.2 m
   Roll period: 11.2 seconds
   Steadiness   - As gun platform (Average = 50 %): 77 %
         - Recoil effect (Restricted arc if above 1.00): 0.21
   Seaboat quality  (Average = 1.00): 1.92

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0.424
   Length to Beam Ratio: 7.00 : 1
   'Natural speed' for length: 11.74 kts
   Power going to wave formation at top speed: 53 %
   Trim (Max stability = 0, Max steadiness = 100): 40
   Bow angle (Positive = bow angles forward): 5.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      11.81 ft / 3.60 m
      - Forecastle (15 %):   11.15 ft / 3.40 m
      - Mid (30 %):      10.50 ft / 3.20 m (7.22 ft / 2.20 m aft of break)
      - Quarterdeck (15 %):   7.22 ft / 2.20 m
      - Stern:      7.22 ft / 2.20 m
      - Average freeboard:   8.39 ft / 2.56 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 89.9 %
      - Above water (accommodation/working, high = better): 135.9 %
   Waterplane Area: 1 696 Square feet or 158 Square metres
   Displacement factor (Displacement / loading): 141 %
   Structure weight / hull surface area: 25 lbs/sq ft or 121 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.83
      - Longitudinal: 5.41
      - 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
   Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[Jefgte]

200t, NUS-Atlantic CTBM & Minesweeper laid down 1919 (Engine 1916)



- Rio Parana;1919-1920
- Rio Colorado;1919-1920   
- Rio Pintura;1919-1920   
- Rio Salado;1919-1920
- Rio Pilcomayo;1920
- Rio De Los Patos;1920
- Rio Bermejo;1920
- Rio Paraguay;1920
...

Displacement:
   200 t light; 208 t standard; 229 t normal; 247 t full load

Dimensions: Length overall / water x beam x draught
   180.51 ft / 177.17 ft x 16.80 ft x 6.77 ft (normal load)
   55.02 m / 54.00 m x 5.12 m  x 2.07 m

Armament:
     1 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1919 Model
     Quick firing gun in deck mount
     on centreline forward
     4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1919 Model
     Anti-aircraft guns in deck mounts
     on centreline, evenly spread, all raised mounts
     4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1919 Model
     Machine guns in deck mounts
     on side, all amidships, 2 raised mounts - superfiring
   Weight of broadside 22 lbs / 10 kg
   Shells per gun, main battery: 180
   2 - 18.0" / 457.2 mm above water torpedoes

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:
   Oil fired boilers, steam turbines,
   Geared drive, 1 shaft, 4 800 shp / 3 581 Kw = 24.96 kts
   Range 2 000nm at 12.00 kts
   Bunker at max displacement = 39 tons

Complement:
   29 - 38

Cost:
   £0.054 million / $0.216 million

Distribution of weights at normal displacement:
   Armament: 3 tons, 1.2 %
   Armour: 2 tons, 0.8 %
      - Belts: 0 tons, 0.0 %
      - Torpedo bulkhead: 0 tons, 0.0 %
      - Armament: 2 tons, 0.8 %
      - Armour Deck: 0 tons, 0.0 %
      - Conning Tower: 0 tons, 0.0 %
   Machinery: 111 tons, 48.2 %
   Hull, fittings & equipment: 70 tons, 30.7 %
   Fuel, ammunition & stores: 29 tons, 12.6 %
   Miscellaneous weights: 15 tons, 6.5 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     66 lbs / 30 Kg = 4.9 x 3.0 " / 76 mm shells or 0.1 torpedoes
   Stability (Unstable if below 1.00): 1.10
   Metacentric height 0.4 ft / 0.1 m
   Roll period: 11.0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0.22
   Seaboat quality  (Average = 1.00): 1.12

Hull form characteristics:
   Hull has a flush deck
   Block coefficient: 0.398
   Length to Beam Ratio: 10.55 : 1
   'Natural speed' for length: 13.31 kts
   Power going to wave formation at top speed: 67 %
   Trim (Max stability = 0, Max steadiness = 100): 63
   Bow angle (Positive = bow angles forward): 15.00 degrees
   Stern overhang: 0.00 ft / 0.00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      12.47 ft / 3.80 m
      - Forecastle (18 %):   10.50 ft / 3.20 m
      - Mid (40 %):      7.87 ft / 2.40 m
      - Quarterdeck (15 %):   7.22 ft / 2.20 m
      - Stern:      6.56 ft / 2.00 m
      - Average freeboard:   8.48 ft / 2.59 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 172.2 %
      - Above water (accommodation/working, high = better): 60.6 %
   Waterplane Area: 1 730 Square feet or 161 Square metres
   Displacement factor (Displacement / loading): 58 %
   Structure weight / hull surface area: 17 lbs/sq ft or 81 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0.50
      - Longitudinal: 3.10
      - Overall: 0.60
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is cramped
   Ship has slow, easy roll, a good, steady gun platform

3150nm at 10kts
2000nm at 12kts
680nm at 18kts
430nm at 21kts
245nm at 25kts
----------------------------
- short range wireless - 2t
- Marconi - 5t
- amunition climat control - 2t
+
- Minesweppers materials - 4t
- 6 depth charges - 2t
or
- 6 mines