This class remains in service. Nine ships of this class were rebuilt in 1927, and serve in 9th Flotilla Torpillieurs - Mediterranian Fleet, Beiruit. The remaining 15 ships were rebuilt in 1933 for use as screens for the Petain class coast defense battleships. Each Petain has an escort of 3 Aventurieur class destroyers.
The 15 ships rebuilt in 1933 have the following statistics:
Aventurieur class, French Destrioyer rebuild laid down 1910 (Engine 1933)
Displacement:
908 t light; 945 t standard; 1,033 t normal; 1,103 t full load
Dimensions: Length overall / water x beam x draught
275.73 ft / 262.47 ft x 26.25 ft x 13.12 ft (normal load)
84.04 m / 80.00 m x 8.00 m x 4.00 m
Armament:
3 - 4.72" / 120 mm guns in single mounts, 61.73lbs / 28.00kg shells, 1910 Model
Quick firing guns in deck mounts
on centreline ends, majority aft, 1 raised mount aft
4 - 1.57" / 40.0 mm guns (1x4 guns), 1.95lbs / 0.88kg shells, 1910 Model
Anti-aircraft guns in a deck mount with hoist
on side aft, all raised guns
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1910 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 193 lbs / 88 kg
Shells per gun, main battery: 150
4 - 21.7" / 550 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
- Conning tower: 0.98" / 25 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 29,492 shp / 22,001 Kw = 32.00 kts
Range 2,550nm at 15.00 kts
Bunker at max displacement = 158 tons
Complement:
90 - 118
Cost:
£0.123 million / $0.491 million
Distribution of weights at normal displacement:
Armament: 21 tons, 2.0 %
Armour: 8 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 6 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.2 %
Machinery: 525 tons, 50.8 %
Hull, fittings & equipment: 324 tons, 31.4 %
Fuel, ammunition & stores: 125 tons, 12.1 %
Miscellaneous weights: 30 tons, 2.9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
266 lbs / 120 Kg = 5.0 x 4.7 " / 120 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 1.0 ft / 0.3 m
Roll period: 11.2 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has rise forward of midbreak, low quarterdeck
Block coefficient: 0.400
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 16.20 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 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 (20 %): 16.40 ft / 5.00 m
- Mid (50 %): 16.40 ft / 5.00 m (9.84 ft / 3.00 m aft of break)
- Quarterdeck (15 %): 9.51 ft / 2.90 m (9.84 ft / 3.00 m before break)
- Stern: 9.51 ft / 2.90 m
- Average freeboard: 13.60 ft / 4.15 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 182.8 %
- Above water (accommodation/working, high = better): 66.4 %
Waterplane Area: 4,241 Square feet or 394 Square metres
Displacement factor (Displacement / loading): 54 %
Structure weight / hull surface area: 30 lbs/sq ft or 148 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 4.46
- Overall: 0.62
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
The nine ships rebuilt in 1927 have the following statistics:
Aventurieur class, French Destroyer laid down 1911 (Engine 1927)
Displacement:
941 t light; 982 t standard; 1,098 t normal; 1,191 t full load
Dimensions: Length overall / water x beam x draught
290.62 ft / 278.87 ft x 26.25 ft x 13.12 ft (normal load)
88.58 m / 85.00 m x 8.00 m x 4.00 m
Armament:
3 - 4.72" / 120 mm guns in single mounts, 61.73lbs / 28.00kg shells, 1927 Model
Quick firing guns in deck mounts
on centreline ends, majority forward, 1 raised mount
4 - 1.57" / 40.0 mm guns (1x4 guns), 1.95lbs / 0.88kg shells, 1927 Model
Anti-aircraft guns in a deck mount with hoist
on centreline aft, all raised guns - superfiring
8 - 1.57" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.88kg shells, 1927 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1927 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 209 lbs / 95 kg
Shells per gun, main battery: 150
4 - 21.0" / 533 mm above water torpedoes
20 tons depth charges
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.20" / 5 mm -
2nd: 0.98" / 25 mm 0.20" / 5 mm -
3rd: 0.98" / 25 mm - -
- Conning tower: 0.98" / 25 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 27,605 shp / 20,594 Kw = 33.00 kts
Range 5,600nm at 12.00 kts (Bunkerage = 209 tons)
Complement:
94 - 123
Cost:
£0.130 million / $0.519 million
Distribution of weights at normal displacement:
Armament: 23 tons, 2.1 %
Armour: 11 tons, 1.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 9 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 2 tons, 0.2 %
Machinery: 555 tons, 50.6 %
Hull, fittings & equipment: 332 tons, 30.2 %
Fuel, ammunition & stores: 157 tons, 14.3 %
Miscellaneous weights: 20 tons, 1.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
276 lbs / 125 Kg = 5.2 x 4.7 " / 120 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 0.9 ft / 0.3 m
Roll period: 11.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.400
Length to Beam Ratio: 10.63 : 1
'Natural speed' for length: 19.22 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.34 ft / 6.20 m
- Forecastle (20 %): 16.40 ft / 5.00 m
- Mid (50 %): 16.40 ft / 5.00 m (9.84 ft / 3.00 m aft of break)
- Quarterdeck (15 %): 9.51 ft / 2.90 m
- Stern: 9.51 ft / 2.90 m
- Average freeboard: 13.33 ft / 4.06 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 181.4 %
- Above water (accommodation/working, high = better): 75.6 %
Waterplane Area: 4,676 Square feet or 434 Square metres
Displacement factor (Displacement / loading): 56 %
Structure weight / hull surface area: 30 lbs/sq ft or 144 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 3.63
- Overall: 0.61
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
Original statistics:
Aventurieur class destroyers, laid down 1911
Length, 80.0 m x Beam, 8.0 m x Depth, 4.0 m
1032 tonnes normal displacement (968 tonnes standard)
Main battery: 4 x 10.0-cm
Secondary battery: 4 x 6.5-cm
QF battery: 2 x 4.5-cm
Light battery: 6 x 1.3-cm
Weight of broadside: 73 kg
4 TT, 45.0 cm
80 tons depth charges/mines
Hull unarmored
Maximum speed for 20568 shaft kw = 31.50 knots
Approximate cruising radius, 3000 nm / 10 knots
Typical complement: 91-118
Estimated cost, $511,000 (£128,000)
Remarks:
Caution: Hull structure is subject to strain in open-sea
conditions.
Oil firing.
Magazines and engineering spaces are cramped, with poor
watertight subdivision.
Cramped ship; poor crew accommodation, limited working space.
Distribution of weights:
Percent
normal
displacement:
Armament ......................... 20 tonnes = 2 pct
Machinery ........................ 558 tonnes = 54 pct
Hull and fittings; equipment ..... 275 tonnes = 27 pct
Fuel, ammunition, stores ......... 99 tonnes = 10 pct
Miscellaneous weights ............ 80 tonnes = 8 pct
-----
1032 tonnes = 100 pct
Estimated metacentric height, 0.3 m
Displacement summary:
Light ship: 934 tonnes
Standard displacement: 968 tonnes
Normal service: 1032 tonnes
Full load: 1080 tonnes
Loading submergence 349 tonnes/metre
+++++++++++++++++++++++++
Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.15
Shellfire needed to sink: 90 kg = 6.5 x 10.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)
Torpedoes needed to sink: 0.2
(Approximates number of 'typical'
torpedo hits needed to sink ship)
Relative steadiness as gun platform, 55 percent
(50 percent is 'average')
Relative rocking effect from firing to beam, 0.36
Relative quality as a seaboat: 1.10
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Hull form characteristics:
Block coefficient: 0.40
Sharpness coefficient: 0.30
Hull speed coefficient 'M' = 7.93
'Natural speed' for length = 16.2 knots
Power going to wave formation
at top speed: 71 percent
Estimated hull characteristics and strength:
Relative underwater volume absorbed by
magazines and engineering spaces: 198 percent
Relative accommodation and working space: 78 percent
Displacement factor: 42 percent
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.50
(Structure weight per square
metre of hull surface: 154 kg)
Relative longitudinal hull strength: 2.27
(for 4.25 m average freeboard;
freeboard adjustment +1.32 m)
Relative composite hull strength: 0.58
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[Machine-readable parameters: Spring Style v. 1.2.1]
262.40 x 26.24 x 13.12; 13.94 -- Dimensions
0.40 -- Block coefficient
1911 -- Year laid down
31.50 / 3000 / 10.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
80 tons -- Miscellaneous weights
++++++++++
4 x 3.94; 0 -- Main battery; turrets
Central positioning of guns
:
4 x 2.56; 0 -- Secondary battery; turrets
:
2 x 1.77 -- Tertiary (QF/AA) battery
:
6 x 0.51 -- Fourth (light) battery
4 / 0 / 17.72 -- TT / submerged / size
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.00 -- No battery armor
(Note: For portability, values are stored in Anglo-American units)
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
Friday, April 26th 2024, 1:32am
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