You are not logged in.

Dear visitor, welcome to WesWorld. If this is your first visit here, please read the Help. It explains in detail how this page works. To use all features of this page, you should consider registering. Please use the registration form, to register here or read more information about the registration process. If you are already registered, please login here.

1

Tuesday, April 22nd 2014, 7:58pm

Ausiliario

Actively serving Auxiliary ships of the Marina Militare.
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

2

Tuesday, April 22nd 2014, 8:01pm

MZ1 Class

Ships in Class
MZ701 through MZ710 Laid down 1931
MZ711 through MZ720 Laid down 1935

Displacement:
200 t light; 205 t standard; 217 t normal; 226 t full load

Dimensions: Length overall / water x beam x draught
159.71 ft / 154.20 ft x 21.42 ft x 3.28 ft (normal load)
48.68 m / 47.00 m x 6.53 m x 1.00 m

Armament:
1 - 2.56" / 65.0 mm guns in single mounts, 9.04lbs / 4.10kg shells, 1931 Model
Quick firing gun in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns in single mounts, 1.83lbs / 0.83kg shells, 1931 Model
Anti-aircraft guns in deck mounts
on side, all amidships
Weight of broadside 13 lbs / 6 kg
Shells per gun, main battery: 50

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 400 shp / 299 Kw = 12.60 kts
Range 1,900nm at 10.00 kts
Bunker at max displacement = 22 tons

Complement:
27 - 36

Cost:
£0.043 million / $0.172 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0.7 %
Machinery: 12 tons, 5.5 %
Hull, fittings & equipment: 82 tons, 37.6 %
Fuel, ammunition & stores: 17 tons, 7.8 %
Miscellaneous weights: 105 tons, 48.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
465 lbs / 211 Kg = 55.5 x 2.6 " / 65 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 0.7 ft / 0.2 m
Roll period: 10.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 1.15

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.700
Length to Beam Ratio: 7.20 : 1
'Natural speed' for length: 12.42 kts
Power going to wave formation at top speed: 44 %
Trim (Max stability = 0, Max steadiness = 100): 44
Bow angle (Positive = bow angles forward): 40.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 6.56 ft / 2.00 m
- Forecastle (20 %): 5.91 ft / 1.80 m
- Mid (50 %): 5.58 ft / 1.70 m
- Quarterdeck (15 %): 5.58 ft / 1.70 m
- Stern: 5.58 ft / 1.70 m
- Average freeboard: 5.74 ft / 1.75 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.0 %
- Above water (accommodation/working, high = better): 105.6 %
Waterplane Area: 2,648 Square feet or 246 Square metres
Displacement factor (Displacement / loading): 154 %
Structure weight / hull surface area: 24 lbs/sq ft or 117 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.10
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate


Designed by Red Admiral
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

3

Tuesday, April 22nd 2014, 8:03pm

Monginevro Class


Ships in Class
Monginevro I laid down 1932
Monginevro II laid down 1932


Displacement:
3,470 t light; 3,767 t standard; 8,317 t normal; 11,957 t full load

Dimensions: Length overall / water x beam x draught
409.91 ft / 393.70 ft x 59.06 ft x 19.69 ft (normal load)
124.94 m / 120.00 m x 18.00 m x 6.00 m

Armament:
Officially None obviously

2 - 5.98" / 152 mm guns in single mounts, 110.23lbs / 50.00kg shells, 1932 Model
Breech loading guns in deck mounts with hoists
on centreline ends, evenly spread
4 - 5.98" / 152 mm guns in single mounts, 110.23lbs / 50.00kg shells, 1932 Model
Breech loading guns in deck mounts with hoists
on side, all amidships
16 - 1.46" / 37.0 mm guns (8x2 guns), 1.83lbs / 0.83kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 691 lbs / 313 kg
Shells per gun, main battery: 300
8 - 17.7" / 450 mm above water torpedoes, 2 - 17.7" / 450 mm submerged torpedo tubes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.76" / 70 mm 1.97" / 50 mm -
2nd: 2.76" / 70 mm 1.97" / 50 mm -
3rd: 0.39" / 10 mm - -

- Conning tower: 1.18" / 30 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 6,000 shp / 4,476 Kw = 15.71 kts
Range 40,000nm at 15.00 kts
Bunker at max displacement = 8,190 tons

Complement:
435 - 566

Cost:
£0.983 million / $3.933 million

Distribution of weights at normal displacement:
Armament: 83 tons, 1.0 %
Armour: 78 tons, 0.9 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 68 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 10 tons, 0.1 %
Machinery: 177 tons, 2.1 %
Hull, fittings & equipment: 2,371 tons, 28.5 %
Fuel, ammunition & stores: 4,847 tons, 58.3 %
Miscellaneous weights: 760 tons, 9.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
40,754 lbs / 18,486 Kg = 380.3 x 6.0 " / 152 mm shells or 6.9 torpedoes
Stability (Unstable if below 1.00): 1.47
Metacentric height 4.4 ft / 1.3 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.17
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.636
Length to Beam Ratio: 6.67 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 39 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 9.84 ft / 3.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 36.09 ft / 11.00 m
- Forecastle (20 %): 21.33 ft / 6.50 m
- Mid (50 %): 19.69 ft / 6.00 m
- Quarterdeck (15 %): 22.97 ft / 7.00 m
- Stern: 24.61 ft / 7.50 m
- Average freeboard: 22.63 ft / 6.90 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 28.0 %
- Above water (accommodation/working, high = better): 134.1 %
Waterplane Area: 17,583 Square feet or 1,634 Square metres
Displacement factor (Displacement / loading): 447 %
Structure weight / hull surface area: 80 lbs/sq ft or 393 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.88
- Longitudinal: 3.23
- Overall: 1.01
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

150t mines
10t sonar
50tons = 1 aircraft, no catapult
Other misc weight for supplies and general equipment

Sim and Drawing by Red Admiral
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

4

Tuesday, April 22nd 2014, 8:06pm

Mobile Lift Ship Ercole



Ships in Class
Ercole Laid down 1933

Displacement:
9,006 t light; 9,192 t standard; 9,299 t normal; 9,385 t full load

Dimensions: Length overall / water x beam x draught
398.91 ft / 393.70 ft x 78.74 ft x 13.12 ft (normal load)
121.59 m / 120.00 m x 24.00 m x 4.00 m

Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 2,000 shp / 1,492 Kw = 10.79 kts
Range 5,000nm at 5.00 kts
Bunker at max displacement = 193 tons

Complement:
473 - 615

Cost:
£1.529 million / $6.114 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0.0 %
Machinery: 58 tons, 0.6 %
Hull, fittings & equipment: 2,348 tons, 25.2 %
Fuel, ammunition & stores: 293 tons, 3.2 %
Miscellaneous weights: 6,600 tons, 71.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
10,970 lbs / 4,976 Kg = 101.6 x 6 " / 152 mm shells or 2.2 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 3.9 ft / 1.2 m
Roll period: 16.7 seconds
Steadiness - As gun platform (Average = 50 %): 73 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 1.36

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.800
Length to Beam Ratio: 5.00 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 24 %
Trim (Max stability = 0, Max steadiness = 100): 54
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: 29.53 ft / 9.00 m
- Forecastle (20 %): 29.53 ft / 9.00 m (9.84 ft / 3.00 m aft of break)
- Mid (50 %): 9.84 ft / 3.00 m
- Quarterdeck (15 %): 9.84 ft / 3.00 m
- Stern: 9.84 ft / 3.00 m
- Average freeboard: 13.78 ft / 4.20 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 79.6 %
- Above water (accommodation/working, high = better): 108.1 %
Waterplane Area: 27,265 Square feet or 2,533 Square metres
Displacement factor (Displacement / loading): 138 %
Structure weight / hull surface area: 73 lbs/sq ft or 358 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.03
- Longitudinal: 1.00
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Sim and Drawing by Red Admiral
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

5

Tuesday, April 22nd 2014, 8:09pm

Brute Class Heavy Tug


Ships in Class
Brute laid down 1935

Displacement:
1,899 t light; 1,966 t standard; 2,656 t normal; 3,208 t full load

Dimensions: Length overall / water x beam x draught
304.05 ft / 295.28 ft x 49.21 ft x 9.84 ft (normal load)
92.68 m / 90.00 m x 15.00 m x 3.00 m

Armament:
4 - 0.98" / 25.0 mm guns (2x2 guns), 0.55lbs / 0.25kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, all forward
4 - 1.85" / 47.0 mm guns (1x4 guns), 3.86lbs / 1.75kg shells, 1935 Model
Anti-aircraft guns in deck mount
on centreline aft
Weight of broadside 18 lbs / 8 kg
Shells per gun, main battery: 1,000

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Ends: Unarmoured

- Torpedo Bulkhead:
0.39" / 10 mm 213.25 ft / 65.00 m 16.40 ft / 5.00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
2nd: 0.39" / 10 mm 0.39" / 10 mm -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 4,000 shp / 2,984 Kw = 17.00 kts
Range 10,440nm at 16.00 kts
Bunker at max displacement = 1,242 tons

Complement:
184 - 240

Cost:
£0.427 million / $1.708 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.1 %
Armour: 52 tons, 2.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 51 tons, 1.9 %
- Armament: 1 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 114 tons, 4.3 %
Hull, fittings & equipment: 1,181 tons, 44.5 %
Fuel, ammunition & stores: 758 tons, 28.5 %
Miscellaneous weights: 550 tons, 20.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
13,437 lbs / 6,095 Kg = 28,185.2 x 1.0 " / 25 mm shells or 4.0 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.1 ft / 0.6 m
Roll period: 14.3 seconds
Steadiness - As gun platform (Average = 50 %): 94 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.650
Length to Beam Ratio: 6.00 : 1
'Natural speed' for length: 20.13 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 47
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 31.17 ft / 9.50 m
- Forecastle (20 %): 26.25 ft / 8.00 m
- Mid (60 %): 24.61 ft / 7.50 m (16.40 ft / 5.00 m aft of break)
- Quarterdeck (15 %): 16.40 ft / 5.00 m
- Stern: 16.40 ft / 5.00 m
- Average freeboard: 22.38 ft / 6.82 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 65.5 %
- Above water (accommodation/working, high = better): 264.0 %
Waterplane Area: 11,614 Square feet or 1,079 Square metres
Displacement factor (Displacement / loading): 315 %
Structure weight / hull surface area: 60 lbs/sq ft or 293 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 7.06
- Overall: 1.10
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

5000miles at 80% power = 337tons main engines
2x5000hp Fiat-Guidoni Diesels + auxiliaries = 100tons
5000miles at 80% power = 1.6tons/hour
Speed with both engines at 80% = 22.6knts
Time to cover 5000nm=221hrs = 353tons fuel for Fiat diesels
Total fuel = 337+353 = 690tons

450tons = supplies/cranes/gensets etc.

Built to 1.10hull strength with thicker hull plates.

Sim and Drawing by Red Admiral.
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

6

Tuesday, April 22nd 2014, 8:13pm

MZ721 Class

Ships in Class
MZ721 through MZ741 laid down 1936

Displacement:
263 t light; 275 t standard; 303 t normal; 326 t full load

Dimensions: Length overall / water x beam x draught
169.55 ft / 164.04 ft x 23.43 ft x 3.94 ft (normal load)
51.68 m / 50.00 m x 7.14 m x 1.20 m

Armament:
1 - 3.94" / 100 mm guns in single mounts, 30.42lbs / 13.80kg shells, 1936 Model
Quick firing gun in deck mount
on centreline forward
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.65lbs / 0.75kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, all forward
Weight of broadside 44 lbs / 20 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
2nd: 0.39" / 10 mm - -

- Conning tower: 2.76" / 70 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 500 shp / 373 Kw = 12.76 kts
Range 4,100nm at 10.00 kts
Bunker at max displacement = 51 tons

Complement:
36 - 47

Cost:
£0.083 million / $0.330 million

Distribution of weights at normal displacement:
Armament: 5 tons, 1.8 %
Armour: 3 tons, 1.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1 tons, 0.2 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.9 %
Machinery: 14 tons, 4.6 %
Hull, fittings & equipment: 120 tons, 39.5 %
Fuel, ammunition & stores: 40 tons, 13.3 %
Miscellaneous weights: 120 tons, 39.6 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
597 lbs / 271 Kg = 19.6 x 3.9 " / 100 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 0.8 ft / 0.2 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 56 %
- Recoil effect (Restricted arc if above 1.00): 0.08
Seaboat quality (Average = 1.00): 1.13

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.701
Length to Beam Ratio: 7.00 : 1
'Natural speed' for length: 12.81 kts
Power going to wave formation at top speed: 45 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 40.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 6.56 ft / 2.00 m
- Forecastle (20 %): 5.91 ft / 1.80 m
- Mid (50 %): 5.58 ft / 1.70 m
- Quarterdeck (15 %): 5.58 ft / 1.70 m
- Stern: 5.58 ft / 1.70 m
- Average freeboard: 5.74 ft / 1.75 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.1 %
- Above water (accommodation/working, high = better): 92.2 %
Waterplane Area: 3,083 Square feet or 286 Square metres
Displacement factor (Displacement / loading): 156 %
Structure weight / hull surface area: 31 lbs/sq ft or 150 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.12
- Longitudinal: 1.16
- Overall: 1.12
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate



Original design by Red Admiral resimed for SS2 by me
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

7

Tuesday, April 22nd 2014, 8:17pm

Fleet Replenishment Vessel, L1 Class


Ships in Class
FRV-L1 and FRV-L2 Laid down 1938
FRV-L3 Laid down 1941

Displacement:
7,446 t light; 7,770 t standard; 15,821 t normal; 22,262 t full load

Dimensions: Length overall / water x beam x draught
459.32 ft / 459.32 ft x 65.62 ft x 26.25 ft (normal load)
140.00 m / 140.00 m x 20.00 m x 8.00 m

Armament:
2 - 2.99" / 76.0 mm guns in single mounts, 13.39lbs / 6.08kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, all aft
4 - 1.46" / 37.0 mm guns (1x4 guns), 1.55lbs / 0.70kg shells, 1938 Model
Anti-aircraft guns in deck mount
on centreline forward
2 - 1.46" / 37.0 mm guns in single mounts, 1.55lbs / 0.70kg shells, 1938 Model
Anti-aircraft guns in deck mounts
on side, all aft
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 300

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.79" / 20 mm -
2nd: 0.39" / 10 mm 0.39" / 10 mm -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 20,000 shp / 14,920 Kw = 19.66 kts
Range 90,000nm at 12.00 kts
Bunker at max displacement = 14,492 tons

Complement:
704 - 916

Cost:
£1.922 million / $7.690 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0.0 %
Armour: 5 tons, 0.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 5 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 548 tons, 3.5 %
Hull, fittings & equipment: 3,389 tons, 21.4 %
Fuel, ammunition & stores: 8,375 tons, 52.9 %
Miscellaneous weights: 3,500 tons, 22.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
43,102 lbs / 19,551 Kg = 3,218.0 x 3.0 " / 76 mm shells or 5.7 torpedoes
Stability (Unstable if below 1.00): 1.15
Metacentric height 3.4 ft / 1.1 m
Roll period: 14.8 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:
Hull has raised forecastle, rise aft of midbreak
Block coefficient: 0.700
Length to Beam Ratio: 7.00 : 1
'Natural speed' for length: 21.43 kts
Power going to wave formation at top speed: 48 %
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: 32.81 ft / 10.00 m
- Forecastle (30 %): 24.61 ft / 7.50 m (16.40 ft / 5.00 m aft of break)
- Mid (60 %): 16.40 ft / 5.00 m (24.61 ft / 7.50 m aft of break)
- Quarterdeck (15 %): 24.61 ft / 7.50 m
- Stern: 24.61 ft / 7.50 m
- Average freeboard: 23.13 ft / 7.05 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 37.0 %
- Above water (accommodation/working, high = better): 131.6 %
Waterplane Area: 24,157 Square feet or 2,244 Square metres
Displacement factor (Displacement / loading): 341 %
Structure weight / hull surface area: 86 lbs/sq ft or 420 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.92
- Longitudinal: 2.22
- Overall: 1.01
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

Bunker for 10000@15knts: 2903t

500tons Handling Equipment/Cranes etc (Misc)
3000tons Stores (Misc)
11589tons Oil Fuel (Bunker)

Original design and drawing by Red Admiral, resimed to SS2 by me.
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon

8

Tuesday, April 22nd 2014, 8:30pm

FRV-S1 Class

Ships in Class
FRV-S1 through FRV-S5 Laid down 1944

Displacement:
2,195 t light; 2,342 t standard; 7,002 t normal; 10,730 t full load

Dimensions: Length overall / water x beam x draught
385.00 ft / 380.00 ft x 46.00 ft x 20.00 ft (normal load)
117.35 m / 115.82 m x 14.02 m x 6.10 m

Armament:
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1944 Model
Dual purpose guns in deck mounts
on side ends, evenly spread
4 - 0.98" / 25.0 mm guns (2x2 guns), 0.48lbs / 0.22kg shells, 1944 Model
Machine guns in deck mounts
on centreline, all forward, all raised mounts - superfiring
Weight of broadside 14 lbs / 6 kg
Shells per gun, main battery: 750

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.50" / 13 mm - -
2nd: 0.25" / 6 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 9,000 shp / 6,714 Kw = 18.00 kts
Range 50,890nm at 15.00 kts
Bunker at max displacement = 8,388 tons

Complement:
382 - 497

Cost:
£0.743 million / $2.974 million

Distribution of weights at normal displacement:
Armament: 2 tons, 0.0 %
Armour: 2 tons, 0.0 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 2 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 230 tons, 3.3 %
Hull, fittings & equipment: 1,446 tons, 20.7 %
Fuel, ammunition & stores: 4,807 tons, 68.7 %
Miscellaneous weights: 515 tons, 7.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
36,817 lbs / 16,700 Kg = 23,822.1 x 1.5 " / 37 mm shells or 8.3 torpedoes
Stability (Unstable if below 1.00): 1.56
Metacentric height 3.3 ft / 1.0 m
Roll period: 10.6 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- 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: 0.701
Length to Beam Ratio: 8.26 : 1
'Natural speed' for length: 19.49 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 3.08 ft / 0.94 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 22.00 ft / 6.71 m
- Forecastle (20 %): 22.00 ft / 6.71 m (13.00 ft / 3.96 m aft of break)
- Mid (50 %): 13.00 ft / 3.96 m
- Quarterdeck (15 %): 22.00 ft / 6.71 m (13.00 ft / 3.96 m before break)
- Stern: 22.00 ft / 6.71 m
- Average freeboard: 16.15 ft / 4.92 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 20.7 %
- Above water (accommodation/working, high = better): 90.9 %
Waterplane Area: 14,023 Square feet or 1,303 Square metres
Displacement factor (Displacement / loading): 706 %
Structure weight / hull surface area: 62 lbs/sq ft or 303 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.67
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Bunker for 10000@15knts: 1699t

Bunker representing low-stowed cargo of fuel oil for transfer: 6689t
Misc Weight to be defined. Some fuel represents low-stowed cargo. Multiple variants intended and to be detailed.
You smug-faced crowds with kindling eye
Who cheer when soldier lads march by,
Sneak home and pray you'll never know
The hell where youth and laughter go.
-Siegfried Sassoon