Danjoult-Dufort, France PC1 laid down 1895
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Displacement:
2 950 t light; 3 067 t standard; 3 589 t normal; 4 006 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(341.00 ft / 334.00 ft) x 38.05 ft (Bulges 43.97 ft) x (15.14 / 16.76 ft)
(103.94 m / 101.80 m) x 11.60 m (Bulges 13.40 m) x (4.61 / 5.11 m)
Armament:
2 - 5.50" / 140 mm 45.0 cal guns - 83.91lbs / 38.06kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1895 Model
2 x Single mounts on centreline ends, evenly spread
2 - 5.50" / 140 mm 45.0 cal guns - 83.91lbs / 38.06kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1895 Model
2 x Single mounts on sides, forward deck aft
4 - 3.95" / 100 mm 45.0 cal guns - 31.09lbs / 14.10kg shells, 220 per gun
Breech loading guns in deck mounts, 1895 Model
4 x Single mounts on sides, evenly spread
4 - 1.85" / 47.0 mm 45.0 cal guns - 3.20lbs / 1.45kg shells, 300 per gun
Breech loading guns in deck mounts, 1895 Model
4 x Single mounts on sides, evenly spread
4 raised mounts
4 - 0.30" / 7.6 mm 76.0 cal guns - 0.02lbs / 0.01kg shells, 500 per gun
Machine guns in deck mounts, 1895 Model
4 x Single mounts on side ends, evenly spread
4 raised mounts
Weight of broadside 473 lbs / 214 kg
Main Torpedoes
2 - 15.8" / 400 mm, 15.66 ft / 4.77 m torpedoes - 0.372 t each, 0.744 t total
submerged bow & stern tubes
2nd Torpedoes
2 - 15.8" / 400 mm, 15.66 ft / 4.77 m torpedoes - 0.372 t each, 0.744 t total
In 2 sets of deck mounted carriage/fixed tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0.99" / 25 mm 301.85 ft / 92.00 m 7.87 ft / 2.40 m
Ends: Unarmoured
Main Belt covers 139 % of normal length
Main Belt inclined -30.00 degrees (positive = in)
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.77" / 45 mm - 1.77" / 45 mm
2nd: 1.77" / 45 mm - 1.77" / 45 mm
3rd: 0.40" / 10 mm - -
4th: 0.40" / 10 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 1.77" / 45 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.77" / 45 mm, Aft 1.77" / 45 mm
Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 7 600 ihp / 5 669 Kw = 19.10 kts
Range 6 500nm at 10.00 kts
Bunker at max displacement = 939 tons (100% coal)
Complement:
231 - 301
Cost:
£0.338 million / $1.353 million
Distribution of weights at normal displacement:
Armament: 114 tons, 3.2 %
- Guns: 112 tons, 3.1 %
- Weapons: 2 tons, 0.1 %
Armour: 430 tons, 12.0 %
- Belts: 93 tons, 2.6 %
- Armament: 28 tons, 0.8 %
- Armour Deck: 292 tons, 8.1 %
- Conning Towers: 18 tons, 0.5 %
Machinery: 1 402 tons, 39.1 %
Hull, fittings & equipment: 974 tons, 27.1 %
Fuel, ammunition & stores: 639 tons, 17.8 %
Miscellaneous weights: 30 tons, 0.8 %
- On freeboard deck: 30 tons
2 tons for torpedoes
4 tons for reload torpedoes
24 minens
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2 233 lbs / 1 013 Kg = 26.8 x 5.5 " / 140 mm shells or 2.1 torpedoes
Stability (Unstable if below 1.00): 1.61
Metacentric height 2.6 ft / 0.8 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 80 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 1.59
Hull form characteristics:
Hull has low forecastle, rise forward of midbreak,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.565 / 0.570
Length to Beam Ratio: 7.60 : 1
'Natural speed' for length: 18.28 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -30.00 degrees
Stern overhang: 1.00 ft / 0.30 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 15.00 %, 11.80 ft / 3.60 m, 13.78 ft / 4.20 m
- Forward deck: 8.00 %, 14.78 ft / 4.50 m, 14.78 ft / 4.50 m
- Aft deck: 62.00 %, 11.80 ft / 3.60 m, 11.80 ft / 3.60 m
- Quarter deck: 15.00 %, 11.80 ft / 3.60 m, 11.80 ft / 3.60 m
- Average freeboard: 12.22 ft / 3.72 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 138.0 %
- Above water (accommodation/working, high = better): 89.6 %
Waterplane Area: 8 995 Square feet or 836 Square metres
Displacement factor (Displacement / loading): 98 %
Structure weight / hull surface area: 68 lbs/sq ft or 334 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.50
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Cramped accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
PC2, France PC2 laid down 1896
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Duvalles-Dassonville - Dentraigue-Duvillars - Darras-Denevers - Domberval-Dersignac
Displacement:
3 200 t light; 3 337 t standard; 3 876 t normal; 4 306 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(351.50 ft / 344.50 ft) x 38.05 ft (Bulges 45.92 ft) x (15.20 / 16.82 ft)
(107.14 m / 105.00 m) x 11.60 m (Bulges 14.00 m) x (4.63 / 5.13 m)
Armament:
2 - 5.50" / 140 mm 45.0 cal guns - 83.91lbs / 38.06kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1896 Model
2 x Single mounts on centreline ends, evenly spread
4 - 5.50" / 140 mm 45.0 cal guns - 83.91lbs / 38.06kg shells, 150 per gun
Breech loading guns in deck and hoist mounts, 1896 Model
4 x Single mounts on sides, forward deck aft
4 - 3.95" / 100 mm 45.0 cal guns - 31.09lbs / 14.10kg shells, 220 per gun
Breech loading guns in deck mounts, 1896 Model
4 x Single mounts on sides, evenly spread
4 - 1.85" / 47.0 mm 45.0 cal guns - 3.20lbs / 1.45kg shells, 300 per gun
Breech loading guns in deck mounts, 1896 Model
4 x Single mounts on sides, evenly spread
4 raised mounts
4 - 0.30" / 7.6 mm 76.0 cal guns - 0.02lbs / 0.01kg shells, 500 per gun
Machine guns in deck mounts, 1896 Model
4 x Single mounts on side ends, evenly spread
4 raised mounts
Weight of broadside 641 lbs / 291 kg
Main Torpedoes
2 - 15.8" / 400 mm, 15.66 ft / 4.77 m torpedoes - 0.386 t each, 0.772 t total
submerged bow & stern tubes
2nd Torpedoes
2 - 15.8" / 400 mm, 15.66 ft / 4.77 m torpedoes - 0.386 t each, 0.772 t total
In 2 sets of deck mounted carriage/fixed tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0.99" / 25 mm 314.95 ft / 96.00 m 8.87 ft / 2.70 m
Ends: Unarmoured
Main Belt covers 141 % of normal length
Main Belt inclined -30.00 degrees (positive = in)
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.77" / 45 mm - 1.77" / 45 mm
2nd: 1.77" / 45 mm - 1.77" / 45 mm
3rd: 0.40" / 10 mm - -
4th: 0.40" / 10 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 1.77" / 45 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.77" / 45 mm, Aft 1.77" / 45 mm
Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 8 200 ihp / 6 117 Kw = 19.28 kts
Range 6 500nm at 10.00 kts
Bunker at max displacement = 969 tons (100% coal)
Complement:
245 - 319
Cost:
£0.375 million / $1.502 million
Distribution of weights at normal displacement:
Armament: 159 tons, 4.1 %
- Guns: 157 tons, 4.0 %
- Weapons: 3 tons, 0.1 %
Armour: 466 tons, 12.0 %
- Belts: 108 tons, 2.8 %
- Armament: 38 tons, 1.0 %
- Armour Deck: 301 tons, 7.8 %
- Conning Towers: 19 tons, 0.5 %
Machinery: 1 492 tons, 38.5 %
Hull, fittings & equipment: 1 050 tons, 27.1 %
Fuel, ammunition & stores: 675 tons, 17.4 %
Miscellaneous weights: 34 tons, 0.9 %
- On freeboard deck: 34 tons
2 tons for torpedoes
4 tons for reload torpedoes
28 minens
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2 337 lbs / 1 060 Kg = 28.1 x 5.5 " / 140 mm shells or 2.1 torpedoes
Stability (Unstable if below 1.00): 1.59
Metacentric height 2.6 ft / 0.8 m
Roll period: 12.1 seconds
Steadiness - As gun platform (Average = 50 %): 80 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 1.61
Hull form characteristics:
Hull has low forecastle, rise forward of midbreak,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.564 / 0.566
Length to Beam Ratio: 7.50 : 1
'Natural speed' for length: 18.56 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -30.00 degrees
Stern overhang: 1.00 ft / 0.30 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 15.00 %, 12.15 ft / 3.70 m, 14.10 ft / 4.30 m
- Forward deck: 10.00 %, 15.10 ft / 4.60 m, 15.10 ft / 4.60 m
- Aft deck: 60.00 %, 12.15 ft / 3.70 m, 12.15 ft / 3.70 m
- Quarter deck: 15.00 %, 12.15 ft / 3.70 m, 12.15 ft / 3.70 m
- Average freeboard: 12.62 ft / 3.85 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 139.0 %
- Above water (accommodation/working, high = better): 90.2 %
Waterplane Area: 9 272 Square feet or 861 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 71 lbs/sq ft or 349 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.47
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Adequate accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather