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Faucon class, French Mine warfare vessel laid down 1925
Displacement:
569 t light; 585
t standard; 696 t normal; 785 t full load
Dimensions: Length overall / water x beam x draught
229.66 ft / 229.66
ft x 23.95 ft x 9.84 ft (normal load)
70.00 m / 70.00 m x 7.30 m x 3.00 m
Armament:
1 - 2.95" / 75.0 mm guns
in single mounts, 12.87lbs / 5.84kg shells, 1925 Model
Breech loading gun in deck mount
on centreline forward
2
- 1.57" / 40.0 mm guns in single mounts, 1.95lbs / 0.89kg shells, 1925 Model
Breech loading guns in deck mounts
on
side, all amidships
4 - 0.30" / 7.6 mm guns in single mounts, 0.01lbs / 0.01kg shells, 1925 Model
Breech loading guns
in deck mounts
on side, evenly spread
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 200
50
tons mines
50 tons mineclearing equipment
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist
(max)
Main: 0.98" / 25 mm - -
2nd: 0.98" / 25 mm - -
Machinery:
Diesel Internal combustion motors,
Geared
drive, 2 shafts, 10,243 shp / 7,641 Kw = 27.00 kts
Range 4,200nm at 15.00 kts (Bunkerage = 199 tons)
Complement:
67 - 88
Cost:
£0.208 million / $0.834 million
Distribution of weights at normal displacement:
Armament:
2 tons, 0.3 %
Armour: 3 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 3
tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 300 tons, 43.1 %
Hull,
fittings & equipment: 164 tons, 23.6 %
Fuel, ammunition & stores: 127 tons, 18.2 %
Miscellaneous weights:
100 tons, 14.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed
to sink ship):
239 lbs / 109 Kg = 18.6 x 3.0 " / 75 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00):
1.21
Metacentric height 0.8 ft / 0.3 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %):
50 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.00
Hull form
characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.450
Length to Beam
Ratio: 9.59 : 1
'Natural speed' for length: 17.46 kts
Power going to wave formation at top speed: 69 %
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: 13.12 ft / 4.00 m
-
Forecastle (20 %): 13.12 ft / 4.00 m
- Mid (50 %): 13.12 ft / 4.00 m (9.02 ft / 2.75 m aft of break)
- Quarterdeck
(15 %): 9.02 ft / 2.75 m
- Stern: 9.02 ft / 2.75 m
- Average freeboard: 11.07 ft / 3.38 m
Ship tends to be wet
forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 157.3 %
- Above water (accommodation/working, high = better): 113.1 %
Waterplane Area: 3,645 Square feet or 339 Square metres
Displacement factor (Displacement / loading): 89 %
Structure weight / hull surface area: 22 lbs/sq ft or 106 Kg/sq
metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.42
- Overall: 0.59
Hull space
for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
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