WesWorld

[SIZE=3]Sérénité, French Hospital Ship laid down 1941[/SIZE]

Displacement:
8,405 t light; 8,638 t standard; 11,616 t normal; 13,999 t full load

Dimensions: Length overall / water x beam x draught
517.56 ft / 492.13 ft x 63.98 ft x 21.00 ft (normal load)
157.75 m / 150.00 m x 19.50 m x 6.40 m

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 20,322 shp / 15,161 Kw = 21.00 kts
Range 15,000nm at 18.00 kts
Bunker at max displacement = 5,361 tons

Complement:
559 - 727

Cost:
£2.283 million / $9.134 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 537 tons, 4.6 %
Hull, fittings & equipment: 3,368 tons, 29.0 %
Fuel, ammunition & stores: 3,211 tons, 27.6 %
Miscellaneous weights: 4,500 tons, 38.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20,715 lbs / 9,396 Kg = 191.8 x 6 " / 152 mm shells or 3.1 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.1 ft / 0.9 m
Roll period: 15.3 seconds
Steadiness - As gun platform (Average = 50 %): 62 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.82

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.615
Length to Beam Ratio: 7.69 : 1
'Natural speed' for length: 22.18 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 34
Bow angle (Positive = bow angles forward): 35.00 degrees
Stern overhang: 8.20 ft / 2.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.61 ft / 7.50 m
- Forecastle (20 %): 20.51 ft / 6.25 m
- Mid (50 %): 15.58 ft / 4.75 m
- Quarterdeck (15 %): 16.40 ft / 5.00 m
- Stern: 17.06 ft / 5.20 m
- Average freeboard: 17.95 ft / 5.47 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 58.1 %
- Above water (accommodation/working, high = better): 134.8 %
Waterplane Area: 23,351 Square feet or 2,169 Square metres
Displacement factor (Displacement / loading): 208 %
Structure weight / hull surface area: 97 lbs/sq ft or 473 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.16
- Longitudinal: 1.54
- Overall: 1.19
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, rides out heavy weather easily

Breakdown of Miscellaneous Weights:
- 3,500 tons for up to 700 patients (~5t per patient)
- 100 tons for surgery center
- 900 tons for medical supplies

[SIZE=3]SS Paix, French Colonial Hospital laid down 1941[/SIZE]

Displacement:
2,866 t light; 2,969 t standard; 5,171 t normal; 6,932 t full load

Dimensions: Length overall / water x beam x draught
305.31 ft / 295.28 ft x 47.90 ft x 21.33 ft (normal load)
93.06 m / 90.00 m x 14.60 m x 6.50 m

Machinery:
Oil fired boilers, complex reciprocating steam engines,
Geared drive, 1 shaft, 939 ihp / 700 Kw = 10.00 kts
Range 59,000nm at 10.00 kts
Bunker at max displacement = 3,963 tons

Complement:
304 - 396

Cost:
£0.665 million / $2.658 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 52 tons, 1.0 %
Hull, fittings & equipment: 1,014 tons, 19.6 %
Fuel, ammunition & stores: 2,305 tons, 44.6 %
Miscellaneous weights: 1,800 tons, 34.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,572 lbs / 4,796 Kg = 97.9 x 6 " / 152 mm shells or 2.9 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 2.0 ft / 0.6 m
Roll period: 14.1 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0.600
Length to Beam Ratio: 6.16 : 1
'Natural speed' for length: 17.18 kts
Power going to wave formation at top speed: 25 %
Trim (Max stability = 0, Max steadiness = 100): 25
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: 19.69 ft / 6.00 m
- Forecastle (20 %): 18.04 ft / 5.50 m (11.48 ft / 3.50 m aft of break)
- Mid (50 %): 11.48 ft / 3.50 m
- Quarterdeck (15 %): 17.22 ft / 5.25 m (11.48 ft / 3.50 m before break)
- Stern: 18.04 ft / 5.50 m
- Average freeboard: 13.85 ft / 4.22 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 42.3 %
- Above water (accommodation/working, high = better): 72.8 %
Waterplane Area: 10,119 Square feet or 940 Square metres
Displacement factor (Displacement / loading): 272 %
Structure weight / hull surface area: 61 lbs/sq ft or 296 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.37
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Excellent seaboat, comfortable, rides out heavy weather easily

Notes:
3140 tons of bunker fuel simmed as low-stowed cargo/ballast. Total cargo weight is 4940 tons. Actual Range is 15,000nm at 10.00 kts (Bunker at max displacement = 823 tons)

[SIZE=3]Tranquillité, French Hospital Ship laid down 1941[/SIZE]

Displacement:
8,937 t light; 9,201 t standard; 13,248 t normal; 16,485 t full load

Dimensions: Length overall / water x beam x draught
562.55 ft / 541.34 ft x 64.30 ft x 22.97 ft (normal load)
171.47 m / 165.00 m x 19.60 m x 7.00 m

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 12,010 shp / 8,960 Kw = 18.00 kts
Range 30,500nm at 15.00 kts
Bunker at max displacement = 7,284 tons

Complement:
616 - 802

Cost:
£2.208 million / $8.833 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 317 tons, 2.4 %
Hull, fittings & equipment: 3,419 tons, 25.8 %
Fuel, ammunition & stores: 4,312 tons, 32.5 %
Miscellaneous weights: 5,200 tons, 39.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,100 lbs / 12,746 Kg = 260.2 x 6 " / 152 mm shells or 3.7 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.1 ft / 0.9 m
Roll period: 15.3 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- 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: 0.580
Length to Beam Ratio: 8.42 : 1
'Natural speed' for length: 23.27 kts
Power going to wave formation at top speed: 33 %
Trim (Max stability = 0, Max steadiness = 100): 26
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 13.12 ft / 4.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.18 ft / 9.20 m
- Forecastle (20 %): 28.71 ft / 8.75 m (21.33 ft / 6.50 m aft of break)
- Mid (50 %): 19.69 ft / 6.00 m
- Quarterdeck (15 %): 20.34 ft / 6.20 m
- Stern: 22.97 ft / 7.00 m
- Average freeboard: 22.26 ft / 6.79 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 51.5 %
- Above water (accommodation/working, high = better): 156.4 %
Waterplane Area: 24,987 Square feet or 2,321 Square metres
Displacement factor (Displacement / loading): 227 %
Structure weight / hull surface area: 84 lbs/sq ft or 409 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.59
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, rides out heavy weather easily

Notes:
- Based on the Françoise Massard-class cargoliner hull.
- 3641 tons of ballast and low-stowed supplies simmed as additional bunker fuel

Breakdown of Miscellaneous Weights:
- 3,500 tons for up to 700 patients (~5t per patient)
- 200 tons for surgery centers
- 1500 tons for medical supplies
- 3641 tons other cargo.

The appearance of such vessels suggests that the French Navy is expecting an influx of casualties, or is there some other purpose behind their appearance?

Quoted

Originally posted by BruceDuncan
The appearance of such vessels suggests that the French Navy is expecting an influx of casualties, or is there some other purpose behind their appearance?

Some other purpose, yes - if they're built. The smaller design, the Paix, is intended to serve in the French colonies (and elsewhere, if required) as a sort of mobile hospital - more for civilians than the military, although she'll wear proper hospital ship colors. Tranquillité and Sérénité, if built, would serve the same purpose on a larger scale.