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Quoted
[SIZE=3]NAH-1, Brazilian River Hospital Ship laid down 1943[/SIZE]
Displacement:
250 t light; 256 t standard; 289 t normal; 316 t full load
Dimensions: Length overall / water x beam x draught
173.21 ft / 170.60 ft x 21.33 ft x 4.59 ft (normal load)
52.79 m / 52.00 m x 6.50 m x 1.40 m
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 353 ihp / 263 Kw = 12.00 kts
Range 2,000nm at 12.00 kts
Bunker at max displacement = 60 tons (100% coal)
Complement:
34 - 45
Cost:
£0.077 million / $0.307 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 21 tons, 7.3 %
Hull, fittings & equipment: 99 tons, 34.2 %
Fuel, ammunition & stores: 39 tons, 13.5 %
Miscellaneous weights: 130 tons, 45.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
538 lbs / 244 Kg = 5.0 x 6 " / 152 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 0.6 ft / 0.2 m
Roll period: 11.3 seconds
Steadiness - As gun platform (Average = 50 %): 58 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.70
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.605
Length to Beam Ratio: 8.00 : 1
'Natural speed' for length: 13.06 kts
Power going to wave formation at top speed: 38 %
Trim (Max stability = 0, Max steadiness = 100): 34
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 14.76 ft / 4.50 m
- Forecastle (20 %): 13.78 ft / 4.20 m (5.91 ft / 1.80 m aft of break)
- Mid (50 %): 5.91 ft / 1.80 m
- Quarterdeck (15 %): 5.91 ft / 1.80 m
- Stern: 5.91 ft / 1.80 m
- Average freeboard: 7.56 ft / 2.30 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.4 %
- Above water (accommodation/working, high = better): 88.5 %
Waterplane Area: 2,674 Square feet or 248 Square metres
Displacement factor (Displacement / loading): 168 %
Structure weight / hull surface area: 25 lbs/sq ft or 121 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.59
- Overall: 1.03
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Excellent seaboat, comfortable, rides out heavy weather easily
Notes:
- NAH = Navio de Assistência Hospitalar
- The vessel is equipped with two 12t boats (based on landing craft) intended to operate independently of the hospital ship, going up rivers not accessible to the main ship, or carrying medical parties and equipment.
Breakdown of Miscellaneous Weights:
- 24 tons: two 12t flat-bottom transport craft (based on landing craft)
- 6 tons: air conditioning
- 20 tons: dentistry office
- 20 tons: optometrist office
- 40 tons: operating ward
- 20 tons: supplies
Quoted
[SIZE=3]Almirante Gastão Motta, Brazilian Underway Replenishment Ship laid down 1943[/SIZE]
Displacement:
6,120 t light; 6,492 t standard; 17,915 t normal; 27,052 t full load
Dimensions: Length overall / water x beam x draught
536.01 ft / 524.93 ft x 63.65 ft x 28.87 ft (normal load)
163.38 m / 160.00 m x 19.40 m x 8.80 m
Armament:
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.55lbs / 0.70kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
4 - 0.79" / 20.0 mm guns (2x2 guns), 0.24lbs / 0.11kg shells, 1943 Model
Machine guns in deck mounts
on side, all amidships
Weight of broadside 7 lbs / 3 kg
Shells per gun, main battery: 3,000
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 7,654 shp / 5,710 Kw = 15.00 kts
Range 124,500nm at 12.00 kts
Bunker at max displacement = 20,560 tons
Complement:
773 - 1,006
Cost:
£1.588 million / $6.352 million
Distribution of weights at normal displacement:
Armament: 1 tons, 0.0 %
Machinery: 198 tons, 1.1 %
Hull, fittings & equipment: 3,421 tons, 19.1 %
Fuel, ammunition & stores: 11,795 tons, 65.8 %
Miscellaneous weights: 2,500 tons, 14.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
79,598 lbs / 36,105 Kg = 51,502.6 x 1.5 " / 37 mm shells or 11.8 torpedoes
Stability (Unstable if below 1.00): 1.44
Metacentric height 4.8 ft / 1.5 m
Roll period: 12.2 seconds
Steadiness - As gun platform (Average = 50 %): 75 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.79
Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.650
Length to Beam Ratio: 8.25 : 1
'Natural speed' for length: 22.91 kts
Power going to wave formation at top speed: 28 %
Trim (Max stability = 0, Max steadiness = 100): 42
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.59 ft / 7.80 m
- Forecastle (15 %): 24.93 ft / 7.60 m (13.12 ft / 4.00 m aft of break)
- Mid (50 %): 13.12 ft / 4.00 m
- Quarterdeck (25 %): 22.31 ft / 6.80 m (13.12 ft / 4.00 m before break)
- Stern: 22.97 ft / 7.00 m
- Average freeboard: 17.31 ft / 5.28 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 20.6 %
- Above water (accommodation/working, high = better): 81.6 %
Waterplane Area: 25,236 Square feet or 2,345 Square metres
Displacement factor (Displacement / loading): 617 %
Structure weight / hull surface area: 84 lbs/sq ft or 412 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.26
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Quoted
[SIZE=3]108-ton Class, Brazilian Light Patrol Craft laid down 1943[/SIZE]
Displacement:
108 t light; 115 t standard; 137 t normal; 154 t full load
Dimensions: Length overall / water x beam x draught
116.91 ft / 114.83 ft x 18.04 ft x 5.25 ft (normal load)
35.63 m / 35.00 m x 5.50 m x 1.60 m
Armament:
1 - 2.95" / 75.0 mm guns in single mounts, 12.87lbs / 5.84kg shells, 1943 Model
Dual purpose gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1943 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 350
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm - -
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 971 shp / 725 Kw = 18.00 kts
Range 2,300nm at 15.00 kts
Bunker at max displacement = 40 tons
Complement:
19 - 25
Cost:
£0.059 million / $0.237 million
Distribution of weights at normal displacement:
Armament: 2 tons, 1.5 %
Armour: 1 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1 tons, 0.9 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 25 tons, 18.3 %
Hull, fittings & equipment: 63 tons, 45.8 %
Fuel, ammunition & stores: 29 tons, 21.0 %
Miscellaneous weights: 17 tons, 12.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
271 lbs / 123 Kg = 21.0 x 3.0 " / 75 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 0.5 ft / 0.1 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.13
Seaboat quality (Average = 1.00): 1.24
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.440
Length to Beam Ratio: 6.36 : 1
'Natural speed' for length: 12.84 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 43
Bow angle (Positive = bow angles forward): 10.00 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 (25 %): 9.84 ft / 3.00 m
- Mid (50 %): 7.55 ft / 2.30 m
- Quarterdeck (15 %): 7.55 ft / 2.30 m
- Stern: 7.55 ft / 2.30 m
- Average freeboard: 8.60 ft / 2.62 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 87.5 %
- Above water (accommodation/working, high = better): 109.5 %
Waterplane Area: 1,362 Square feet or 127 Square metres
Displacement factor (Displacement / loading): 160 %
Structure weight / hull surface area: 23 lbs/sq ft or 112 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.78
- Longitudinal: 9.10
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily
Quoted
[SIZE=3]Araguaia-class, Brazilian Destroyer laid down 1943[/SIZE]
Displacement:
2,200 t light; 2,361 t standard; 2,728 t normal; 3,022 t full load
Dimensions: Length overall / water x beam x draught
402.06 ft / 393.70 ft x 41.01 ft x 13.12 ft (normal load)
122.55 m / 120.00 m x 12.50 m x 4.00 m
Armament:
6 - 4.72" / 120 mm guns (3x2 guns), 52.91lbs / 24.00kg shells, 1943 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1943 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1943 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
8 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1943 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 335 lbs / 152 kg
Shells per gun, main battery: 550
10 - 21.0" / 533.4 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.59" / 15 mm 0.59" / 15 mm
2nd: 0.59" / 15 mm 0.20" / 5 mm 0.20" / 5 mm
3rd: 0.59" / 15 mm - -
- Conning tower: 0.98" / 25 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 48,166 shp / 35,932 Kw = 34.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 661 tons
Complement:
188 - 245
Cost:
£1.865 million / $7.461 million
Distribution of weights at normal displacement:
Armament: 50 tons, 1.8 %
Armour: 21 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 17 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,188 tons, 43.5 %
Hull, fittings & equipment: 827 tons, 30.3 %
Fuel, ammunition & stores: 528 tons, 19.3 %
Miscellaneous weights: 115 tons, 4.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
975 lbs / 442 Kg = 18.5 x 4.7 " / 120 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 1.8 ft / 0.5 m
Roll period: 12.9 seconds
Steadiness - As gun platform (Average = 50 %): 75 %
- Recoil effect (Restricted arc if above 1.00): 0.44
Seaboat quality (Average = 1.00): 1.13
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.451
Length to Beam Ratio: 9.60 : 1
'Natural speed' for length: 22.86 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 66
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.97 ft / 7.00 m
- Forecastle (30 %): 22.15 ft / 6.75 m
- Mid (60 %): 21.33 ft / 6.50 m (13.12 ft / 4.00 m aft of break)
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 18.51 ft / 5.64 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 162.1 %
- Above water (accommodation/working, high = better): 110.8 %
Waterplane Area: 10,704 Square feet or 994 Square metres
Displacement factor (Displacement / loading): 90 %
Structure weight / hull surface area: 40 lbs/sq ft or 195 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.21
- Overall: 0.58
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
This post has been edited 1 times, last edit by "Hood" (Sep 12th 2013, 11:28am)
Quoted
Originally posted by Sachmle
As to the destroyer, she looks nice, but I must admit I feel it odd that Brazil would have an Automatic rapid fire gun.
Quoted
Paranaiba Class, Brazil River Gunboat laid down 1944
Displacement:
303 t light; 338 t standard; 403 t normal; 456 t full load
Dimensions: Length overall / water x beam x draught
183.34 ft / 180.45 ft x 34.78 ft x 4.99 ft (normal load)
55.88 m / 55.00 m x 10.60 m x 1.52 m
Armament:
2 - 4.72" / 120 mm guns in single mounts, 52.72lbs / 23.91kg shells, 1944 Model
Quick firing guns in deck mounts
on centreline ends, evenly spread
4 - 1.46" / 37.0 mm guns (2x2 guns), 1.54lbs / 0.70kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts
6 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 113 lbs / 51 kg
Shells per gun, main battery: 400
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.98" / 25 mm -
2nd: 0.39" / 10 mm - -
3rd: 0.39" / 10 mm - -
- Conning tower: 1.97" / 50 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 600 shp / 448 Kw = 13.15 kts
Range 9,500nm at 10.00 kts
Bunker at max displacement = 118 tons
Complement:
44 - 58
Cost:
£0.166 million / $0.663 million
Distribution of weights at normal displacement:
Armament: 14 tons, 3.5 %
Armour: 13 tons, 3.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 10 tons, 2.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.6 %
Machinery: 15 tons, 3.8 %
Hull, fittings & equipment: 211 tons, 52.3 %
Fuel, ammunition & stores: 100 tons, 24.8 %
Miscellaneous weights: 50 tons, 12.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,545 lbs / 701 Kg = 29.3 x 4.7 " / 120 mm shells or 1.1 torpedoes
Stability (Unstable if below 1.00): 1.40
Metacentric height 1.9 ft / 0.6 m
Roll period: 10.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.09
Seaboat quality (Average = 1.00): 1.86
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.451
Length to Beam Ratio: 5.19 : 1
'Natural speed' for length: 13.43 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 38
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16.40 ft / 5.00 m
- Forecastle (20 %): 14.76 ft / 4.50 m
- Mid (40 %): 14.76 ft / 4.50 m (7.55 ft / 2.30 m aft of break)
- Quarterdeck (15 %): 7.55 ft / 2.30 m
- Stern: 7.55 ft / 2.30 m
- Average freeboard: 10.56 ft / 3.22 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 58.3 %
- Above water (accommodation/working, high = better): 169.4 %
Waterplane Area: 4,006 Square feet or 372 Square metres
Displacement factor (Displacement / loading): 195 %
Structure weight / hull surface area: 39 lbs/sq ft or 190 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.88
- Longitudinal: 3.30
- 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
Misc Weight
10 tons air conditioning
10 tons crew comforts
20 tons for accommodation for 10 Marines
10 tons future growth
Quoted
Originally posted by Brockpaine
Quoted
Originally posted by Rooijen10
The idea of using coal is probably because he would be able to stuff trees in there as fuel and as you know, there are lots and lots of trees in the rain forrest that can be used for fuel.
That was the idea. But I do rather prefer diesels...
Quoted
[SIZE=3]NAH-1, Brazilian River Hospital Ship laid down 1943[/SIZE]
Displacement:
250 t light; 256 t standard; 274 t normal; 289 t full load
Dimensions: Length overall / water x beam x draught
179.77 ft / 177.17 ft x 22.97 ft x 4.27 ft (normal load)
54.79 m / 54.00 m x 7.00 m x 1.30 m
Machinery:
Diesel Internal combustion generators,
Electric motors, 2 shafts, 339 shp / 253 Kw = 12.00 kts
Range 2,000nm at 12.00 kts
Bunker at max displacement = 33 tons
Complement:
33 - 43
Cost:
£0.065 million / $0.261 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 9 tons, 3.2 %
Hull, fittings & equipment: 101 tons, 37.0 %
Fuel, ammunition & stores: 24 tons, 8.7 %
Miscellaneous weights: 140 tons, 51.1 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
605 lbs / 274 Kg = 5.6 x 6 " / 152 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.46
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.553
Length to Beam Ratio: 7.71 : 1
'Natural speed' for length: 13.31 kts
Power going to wave formation at top speed: 36 %
Trim (Max stability = 0, Max steadiness = 100): 34
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 14.76 ft / 4.50 m
- Forecastle (20 %): 13.78 ft / 4.20 m (5.91 ft / 1.80 m aft of break)
- Mid (50 %): 5.91 ft / 1.80 m
- Quarterdeck (15 %): 5.91 ft / 1.80 m
- Stern: 5.91 ft / 1.80 m
- Average freeboard: 7.56 ft / 2.30 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 66.7 %
- Above water (accommodation/working, high = better): 97.0 %
Waterplane Area: 2,847 Square feet or 264 Square metres
Displacement factor (Displacement / loading): 174 %
Structure weight / hull surface area: 25 lbs/sq ft or 122 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.40
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily
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