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HoOmAn

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  • "HoOmAn" is 43 years old today
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1

Monday, December 5th 2005, 6:17pm

Minor Vessels, Coastal Forces

UJ1-UJ12 , ASW Launch laid down 1926, UJ6 and UJ8 sunk 04-03-35 (gunfire), UJ11 sunk 13-12-34 (gunfire), UJ4 and UJ9 sunk 22-05-35 (torpedo), UJ12 sunk 10-08-35 (bomb), remaining units retired 31-12-41 and scrapped in 1942
UJ13-UJ24 , ASW Launch laid down 1927, UJ23 sunk 07-06-35 (torpedo), UJ19 sunk 11-10-35 (bomb), UJ15 sunk 23-11-35 (bomb), remaining units retired 31-12-42 and scrapped in 1943
UJ25-UJ36 , ASW Launch laid down 1928, UJ35 sunk 14-07-35 (bomb), UJ30 sunk 18-09-35 (ramming), UJ32 sunk 22-09-35 (bomb), UJ27 cancelled 30-10-35 (mine, constructive loss), UJ33 sunk 27-01-36 (mine), UJ25, UJ26 and UJ28 retired 31-12-42 and scrapped in 1943
UJ37-UJ48 , ASW Launch laid down 1929



Displacement:
195 t light; 201 t standard (200 t officially); 220 t normal; 236 t full load

Dimensions: Length overall / water x beam x draught
137,68 ft / 131,23 ft x 19,03 ft x 6,56 ft (normal load)
41,97 m / 40,00 m x 5,80 m x 2,00 m

Armament:
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,89kg shells, 1926 Model
Anti-aircraft guns in deck mount
on centreline forward
4 - 0,79" / 20,0 mm guns (3 mounts), 0,24lbs / 0,11kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships
Weight of broadside 5 lbs / 2 kg
Shells per gun, main battery: 500

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion generators,
Electric motors (UJ1-6), Geared (UJ7+), 2 shafts, 2.413 shp / 1.800 Kw = 19,95 kts
Range 3.400nm at 10,00 kts (Bunkerage = 35 tons)

Complement:
28 - 37

Cost:
£0,063 million / $0,251 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0,3%
Armour: 1 tons, 0,2%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 1 tons, 0,2%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 77 tons, 35,1%
Hull, fittings & equipment: 100 tons, 45,5%
Fuel, ammunition & stores: 25 tons, 11,6%
Miscellaneous weights: 16 tons, 7,3%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
230 lbs / 104 Kg = 117,8 x 1,6 " / 40 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,13
Metacentric height 0,5 ft / 0,2 m
Roll period: 11,1 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,04
Seaboat quality (Average = 1.00): 1,73

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,470
Length to Beam Ratio: 6,90 : 1
'Natural speed' for length: 11,46 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 30
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,72 ft / 5,40 m
- Forecastle (20%): 15,75 ft / 4,80 m
- Mid (50%): 15,75 ft / 4,80 m (7,87 ft / 2,40 m aft of break)
- Quarterdeck (15%): 7,87 ft / 2,40 m
- Stern: 7,87 ft / 2,40 m
- Average freeboard: 11,97 ft / 3,65 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 124,6%
- Above water (accommodation/working, high = better): 126,8%
Waterplane Area: 1.620 Square feet or 151 Square metres
Displacement factor (Displacement / loading): 125%
Structure weight / hull surface area: 22 lbs/sq ft or 108 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,64
- Longitudinal: 19,10
- Overall: 0,89
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

HoOmAn

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2

Monday, December 5th 2005, 6:19pm

R1-R6 , laid down 1928, scrapped 1942
R7-R24 , laid down 1929, R19 & R20 sunk 17-9-34 (gunfire), R14 sunk 14-11-34 (collision), R15 sunk 06-04-35 (gunfire), R22 sunk 06-05-35 (plane), R18 sunk 29-10-35 (gunfire), R16 sunk 05-01-36 (gunfire), R23 sunk 22-02-36 (gunfire), remaining units scrapped in 1943
R25-R48 , laid down 1930, R31 sunk 02-10-35 (fire), R34 lost 13-11-35 (fire), R30 sunk 04-12-35 (gunfire), R26 sunk 26-03-36 (mine), R25 & R27 scrapped 1943




Displacement:
92 t light; 94 t standard (95 t officially); 102 t normal; 108 t full load

Dimensions: Length overall / water x beam x draught
108,93 ft / 104,99 ft x 16,40 ft x 5,74 ft (normal load)
33,20 m / 32,00 m x 5,00 m x 1,75 m

Armament:
1 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1928 Model
Anti-aircraft gun in deck mount
on centreline forward
Weight of broadside 0 lbs / 0 kg
Shells per gun, main battery: 2.000

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,39" / 10 mm 0,39" / 10 mm -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2.145 shp / 1.600 Kw = 21,35 kts
Range 2.000nm at 10,00 kts
Bunker at max displacement = 13 tons

Complement:
15 - 20

Cost:
£0,039 million / $0,155 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0,0%
Armour: 0 tons, 0,2%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 0 tons, 0,2%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 49 tons, 48,4%
Hull, fittings & equipment: 33 tons, 32,2%
Fuel, ammunition & stores: 10 tons, 9,4%
Miscellaneous weights: 10 tons, 9,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
40 lbs / 18 Kg = 162,0 x 0,8 " / 20 mm shells or 0,1 torpedoes
Stability (Unstable if below 1.00): 1,13
Metacentric height 0,4 ft / 0,1 m
Roll period: 10,6 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 0,80

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,360
Length to Beam Ratio: 6,40 : 1
'Natural speed' for length: 10,25 kts
Power going to wave formation at top speed: 76 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 10,83 ft / 3,30 m
- Forecastle (20%): 8,04 ft / 2,45 m
- Mid (50%): 7,22 ft / 2,20 m
- Quarterdeck (15%): 7,22 ft / 2,20 m
- Stern: 7,22 ft / 2,20 m
- Average freeboard: 7,73 ft / 2,36 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 167,4%
- Above water (accommodation/working, high = better): 98,3%
Waterplane Area: 1.045 Square feet or 97 Square metres
Displacement factor (Displacement / loading): 71%
Structure weight / hull surface area: 15 lbs/sq ft or 72 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 6,90
- Overall: 0,65
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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3

Friday, May 5th 2006, 11:19am

UJ49 - UJ60 , laid down 1930. UJ51 sunk 06-02-35 (bomb), UJ58 sunk 23-06-35 (plane), UJ55 sunk 14-12-35 (mine), UJ59 sunk 08-01-36 (plane), UJ56 cancelled 10-01-36 (mine, constructive loss)
UJ61 - UJ68 , laid down 1931
UJ69 - UJ76 , laid down 1932
UJ77 - UJ84 , laid down 1933



Displacement:
196 t light; 204 t standard (200 t officially); 231 t normal; 253 t full load

Dimensions: Length overall / water x beam x draught
144,24 ft / 137,80 ft x 19,03 ft x 6,56 ft (normal load)
43,97 m / 42,00 m x 5,80 m x 2,00 m

Armament:
1 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1930 Model
Breech loading gun in deck mount
on centreline aft
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1930 Model
Anti-aircraft guns in deck mount
on centreline forward
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 25 lbs / 11 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,79" / 20 mm - -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2.392 shp / 1.784 Kw = 19,95 kts
Range 3.000nm at 12,00 kts
Bunker at max displacement = 48 tons

Complement:
29 - 38

Cost:
£0,082 million / $0,329 million

Distribution of weights at normal displacement:
Armament: 3 tons, 1,4%
Armour: 2 tons, 0,8%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 2 tons, 0,8%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 72 tons, 31,4%
Hull, fittings & equipment: 94 tons, 40,7%
Fuel, ammunition & stores: 35 tons, 15,0%
Miscellaneous weights: 25 tons, 10,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
209 lbs / 95 Kg = 10,0 x 3,5 " / 88 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,14
Metacentric height 0,5 ft / 0,2 m
Roll period: 10,9 seconds
Steadiness - As gun platform (Average = 50 %): 55 %
- Recoil effect (Restricted arc if above 1.00): 0,20
Seaboat quality (Average = 1.00): 1,90

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,470
Length to Beam Ratio: 7,24 : 1
'Natural speed' for length: 11,74 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 29
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,72 ft / 5,40 m
- Forecastle (20%): 15,75 ft / 4,80 m
- Mid (50%): 15,75 ft / 4,80 m (7,87 ft / 2,40 m aft of break)
- Quarterdeck (15%): 7,87 ft / 2,40 m
- Stern: 7,87 ft / 2,40 m
- Average freeboard: 11,97 ft / 3,65 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 124,5%
- Above water (accommodation/working, high = better): 128,6%
Waterplane Area: 1.701 Square feet or 158 Square metres
Displacement factor (Displacement / loading): 117%
Structure weight / hull surface area: 20 lbs/sq ft or 96 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,55
- Longitudinal: 15,47
- Overall: 0,77
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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4

Tuesday, July 18th 2006, 6:42pm

R49-R64 , laid down 1931
R65-R72 , laid down 1932, R66 sunk 04-11-35 (gunfire)



Displacement:
97 t light; 102 t standard (100 t officially); 108 t normal; 114 t full load

Dimensions: Length overall / water x beam x draught
110,81 ft / 106,63 ft x 16,73 ft x 5,91 ft (normal load)
33,77 m / 32,50 m x 5,10 m x 1,80 m

Armament:
1 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1931 Model
Anti-aircraft gun in deck mount
on centreline aft
1 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1931 Model
Breech loading gun in deck mount
on centreline forward
Weight of broadside 2 lbs / 1 kg
Shells per gun, main battery: 2.000

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 1.800 shp / 1.343 Kw = 21,73 kts
Range 2.000nm at 10,00 kts
Bunker at max displacement = 12 tons

Complement:
16 - 21

Cost:
£0,046 million / $0,183 million

Distribution of weights at normal displacement:
Armament: 0 tons, 0,3%
Armour: 0 tons, 0,3%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 0 tons, 0,3%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 49 tons, 45,4%
Hull, fittings & equipment: 37 tons, 34,3%
Fuel, ammunition & stores: 11 tons, 10,6%
Miscellaneous weights: 10 tons, 9,2%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
50 lbs / 23 Kg = 25,5 x 1,6 " / 40 mm shells or 0,1 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 0,4 ft / 0,1 m
Roll period: 11,0 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,02
Seaboat quality (Average = 1.00): 0,81

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,360
Length to Beam Ratio: 6,37 : 1
'Natural speed' for length: 12,57 kts
Power going to wave formation at top speed: 76 %
Trim (Max stability = 0, Max steadiness = 100): 63
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 11,48 ft / 3,50 m
- Forecastle (20%): 8,53 ft / 2,60 m
- Mid (50%): 8,53 ft / 2,60 m (7,22 ft / 2,20 m aft of break)
- Quarterdeck (15%): 7,22 ft / 2,20 m
- Stern: 7,22 ft / 2,20 m
- Average freeboard: 8,11 ft / 2,47 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 161,2%
- Above water (accommodation/working, high = better): 104,6%
Waterplane Area: 1.123 Square feet or 104 Square metres
Displacement factor (Displacement / loading): 90%
Structure weight / hull surface area: 16 lbs/sq ft or 76 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,52
- Longitudinal: 7,99
- Overall: 0,69
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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5

Friday, May 11th 2007, 11:08am

S1-S12 , laid down 1934, S11 sunk 30-09-35 (bomb), S10 sunk 12-10-35 (gunfire), S1 sunk 28-11-35 (gunfire), S6 sunk 22-02-36 (gunfire)
S13-S30 , laid down 1935

Displacement: 60 ts standard
Dimensions: 27,94 m / 27,7 m x 4,46 m x 1,45 m
Armament: 1 - 20 mm gun, 2 torpedoes
Machinery: Diesel Internal combustion motors
Speed: 33,8 kn
Complement: 14
Cost: £0,039 million / $0,155 million

[The S34 actually is a copy of OTL Lürssen Boats S2-S5 which were historically laid down 1931/32. So I´m behind OTL 2 years! ;o) I use this design because SS can´t deal with light fast attack crafts.]

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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6

Thursday, February 21st 2008, 2:19pm

Viktor Garcia, laid down 1935
Diogo Ferreira, laid down 1935
Miguel da Costa, laid down 1935
Jorge Alves, laid down 1935



Displacement:
123 t light; 132 t standard; 141 t normal; 149 t full load

Dimensions: Length overall / water x beam x draught
132,74 ft / 131,23 ft x 22,97 ft x 3,28 ft (normal load)
40,46 m / 40,00 m x 7,00 m x 1,00 m

Armament:
2 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1935 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, 1 raised mount
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 43 lbs / 19 kg
Shells per gun, main battery: 250

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,18" / 30 mm 98,43 ft / 30,00 m 3,94 ft / 1,20 m
Ends: Unarmoured
Main Belt covers 115% of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
2nd: 0,39" / 10 mm - -

- Conning tower: 0,79" / 20 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 1 shaft, 600 ihp / 448 Kw = 15,01 kts
Range 2.000nm at 8,00 kts
Bunker at max displacement = 17 tons (100% coal)

Complement:
19 - 26

Cost:
£0,069 million / $0,277 million

Distribution of weights at normal displacement:
Armament: 5 tons, 3,8%
Armour: 26 tons, 18,2%
- Belts: 19 tons, 13,7%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 6 tons, 4,2%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,3%
Machinery: 35 tons, 24,5%
Hull, fittings & equipment: 47 tons, 33,6%
Fuel, ammunition & stores: 18 tons, 12,8%
Miscellaneous weights: 10 tons, 7,1%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
121 lbs / 55 Kg = 5,8 x 3,5 " / 88 mm shells or 0,2 torpedoes
Stability (Unstable if below 1.00): 1,29
Metacentric height 0,9 ft / 0,3 m
Roll period: 10,4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,11
Seaboat quality (Average = 1.00): 0,83

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,500
Length to Beam Ratio: 5,71 : 1
'Natural speed' for length: 11,46 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 84
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: 8,53 ft / 2,60 m
- Forecastle (20%): 5,91 ft / 1,80 m
- Mid (50%): 4,92 ft / 1,50 m
- Quarterdeck (15%): 4,92 ft / 1,50 m
- Stern: 5,25 ft / 1,60 m
- Average freeboard: 5,50 ft / 1,68 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 118,0%
- Above water (accommodation/working, high = better): 99,6%
Waterplane Area: 1.930 Square feet or 179 Square metres
Displacement factor (Displacement / loading): 93%
Structure weight / hull surface area: 19 lbs/sq ft or 92 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,66
- Longitudinal: 1,24
- Overall: 0,70
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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7

Thursday, February 21st 2008, 2:22pm

UJ85 - UJ88 , laid down 1935
UJ89 - UJ108 , laid down 1936



Displacement:
196 t light; 202 t standard; 235 t normal; 261 t full load

Dimensions: Length overall / water x beam x draught
140,31 ft / 133,86 ft x 22,31 ft x 6,56 ft (normal load)
42,77 m / 40,80 m x 6,80 m x 2,00 m

Armament:
1 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1935 Model
Breech loading gun in deck mount
on centreline forward
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1935 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 25 lbs / 11 kg
Shells per gun, main battery: 120

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,59" / 15 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2.681 shp / 2.000 Kw = 20,33 kts
Range 3.800nm at 12,00 kts
Bunker at max displacement = 59 tons

Complement:
29 - 39

Cost:
£0,103 million / $0,411 million

Distribution of weights at normal displacement:
Armament: 3 tons, 1,3%
Armour: 2 tons, 1,0%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 2 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 76 tons, 32,4%
Hull, fittings & equipment: 104 tons, 44,3%
Fuel, ammunition & stores: 39 tons, 16,7%
Miscellaneous weights: 10 tons, 4,3%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
239 lbs / 108 Kg = 11,5 x 3,5 " / 88 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 0,6 ft / 0,2 m
Roll period: 11,7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,10
Seaboat quality (Average = 1.00): 1,13

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,420
Length to Beam Ratio: 6,00 : 1
'Natural speed' for length: 11,57 kts
Power going to wave formation at top speed: 72 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,72 ft / 5,40 m
- Forecastle (35%): 13,12 ft / 4,00 m (7,87 ft / 2,40 m aft of break)
- Mid (50%): 7,87 ft / 2,40 m
- Quarterdeck (15%): 7,87 ft / 2,40 m
- Stern: 7,87 ft / 2,40 m
- Average freeboard: 10,35 ft / 3,16 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 120,0%
- Above water (accommodation/working, high = better): 96,3%
Waterplane Area: 1.862 Square feet or 173 Square metres
Displacement factor (Displacement / loading): 124%
Structure weight / hull surface area: 28 lbs/sq ft or 135 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,78
- Longitudinal: 9,22
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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8

Saturday, June 27th 2009, 10:12am

S31-S42, laid down 1936

Displacement: 80 ts standard
Dimensions: 32,36 m / 31,91 m x 4,9 m x 1,36 m
Armament: 1 - 20 mm gun, 2-4 - 7,62mm MG, 2 - 533mm above surface torpedo tubes
Machinery: Diesel Internal combustion motors
Speed: 36,5 kn
Complement: 23
Cost: $0,524 million

[The S34 actually is a copy of OTL Lürssen Boats S7-S13 which were historically laid down 1933. I use this design because SS can´t deal with light fast attack crafts.]

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9

Saturday, June 27th 2009, 10:13am

R73-R77 , laid down 1937
R78-R80 , laid down 1938



Displacement:
99 t light; 107 t standard; 113 t normal; 118 t full load

Dimensions: Length overall / water x beam x draught
115,73 ft / 111,55 ft x 16,73 ft x 5,91 ft (normal load)
35,27 m / 34,00 m x 5,10 m x 1,80 m

Armament:
2 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1937 Model
Breech loading guns in deck mounts
on side, all amidships
Weight of broadside 4 lbs / 2 kg
Shells per gun, main battery: 2.000

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 1.800 shp / 1.343 Kw = 21,73 kts
Range 2.000nm at 10,00 kts
Bunker at max displacement = 11 tons

Complement:
16 - 22

Cost:
£0,059 million / $0,237 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0,5%
Armour: 1 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 1 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 49 tons, 43,5%
Hull, fittings & equipment: 39 tons, 34,2%
Fuel, ammunition & stores: 14 tons, 12,5%
Miscellaneous weights: 10 tons, 8,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
54 lbs / 24 Kg = 27,6 x 1,6 " / 40 mm shells or 0,1 torpedoes
Stability (Unstable if below 1.00): 1,15
Metacentric height 0,4 ft / 0,1 m
Roll period: 10,6 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,04
Seaboat quality (Average = 1.00): 0,88

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,360
Length to Beam Ratio: 6,67 : 1
'Natural speed' for length: 12,79 kts
Power going to wave formation at top speed: 75 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 11,48 ft / 3,50 m
- Forecastle (20%): 8,53 ft / 2,60 m
- Mid (50%): 8,53 ft / 2,60 m (7,22 ft / 2,20 m aft of break)
- Quarterdeck (15%): 7,22 ft / 2,20 m
- Stern: 7,22 ft / 2,20 m
- Average freeboard: 8,11 ft / 2,47 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 159,0%
- Above water (accommodation/working, high = better): 109,4%
Waterplane Area: 1.175 Square feet or 109 Square metres
Displacement factor (Displacement / loading): 99%
Structure weight / hull surface area: 15 lbs/sq ft or 76 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,52
- Longitudinal: 7,31
- Overall: 0,68
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

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10

Saturday, June 27th 2009, 10:18am

General Balasar , laid down 1937
General Phillips , laid down 1938



Displacement:
434 t light; 464 t standard; 531 t normal; 585 t full load

Dimensions: Length overall / water x beam x draught
217,79 ft / 213,25 ft x 24,61 ft x 5,91 ft (normal load)
66,38 m / 65,00 m x 7,50 m x 1,80 m

Armament:
4 - 4,13" / 105 mm guns (2x2 guns), 35,32lbs / 16,02kg shells, 1937 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread, 1 raised mount
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1937 Model
Machine guns in deck mounts
on centreline ends, evenly spread, all raised mounts - superfiring
Weight of broadside 150 lbs / 68 kg
Shells per gun, main battery: 220

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,79" / 20 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

- Conning tower: 0,59" / 15 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 2.500 ihp / 1.865 Kw = 18,53 kts
Range 2.800nm at 12,00 kts
Bunker at max displacement = 121 tons (100% coal)

Complement:
54 - 71

Cost:
£0,286 million / $1,143 million

Distribution of weights at normal displacement:
Armament: 19 tons, 3,5%
Armour: 12 tons, 2,3%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 11 tons, 2,1%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 1 tons, 0,2%
Machinery: 153 tons, 28,8%
Hull, fittings & equipment: 200 tons, 37,7%
Fuel, ammunition & stores: 97 tons, 18,3%
Miscellaneous weights: 50 tons, 9,4%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
426 lbs / 193 Kg = 12,1 x 4,1 " / 105 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,20
Metacentric height 0,9 ft / 0,3 m
Roll period: 11,2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,33
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,600
Length to Beam Ratio: 8,67 : 1
'Natural speed' for length: 14,60 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 12,47 ft / 3,80 m
- Forecastle (20%): 7,55 ft / 2,30 m
- Mid (44%): 7,55 ft / 2,30 m
- Quarterdeck (15%): 7,55 ft / 2,30 m
- Stern: 7,55 ft / 2,30 m
- Average freeboard: 7,94 ft / 2,42 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 131,9%
- Above water (accommodation/working, high = better): 102,2%
Waterplane Area: 3.838 Square feet or 357 Square metres
Displacement factor (Displacement / loading): 103%
Structure weight / hull surface area: 36 lbs/sq ft or 175 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,97
- Longitudinal: 1,32
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

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11

Monday, July 25th 2011, 11:15am

S43-S44 laid down 1940
S45-S54 laid down 1941

Displacement: 100 ts standard
Dimensions: 32,76 m / 31,85 m x 5,06 m x 1,47 m
Armament: 2 - 20 mm gun, 2-4 - 7,62mm MG, 2 - 533mm above surface torpedo tubes, 6 DC
Machinery: Diesel Internal combustion motors
Speed: 36,3 kn
Complement: 25

[The S40 class actually is a copy of OTL Lürssen Boat S54 which was historically laid down 1939. I use this design because SS can´t deal with light fast attack crafts.]

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12

Monday, June 4th 2012, 9:28pm

R81-R89 , laid down 1942
R90-R101, laid down 1943



Displacement:
118 t light; 124 t standard; 130 t normal; 136 t full load

Dimensions: Length overall / water x beam x draught
125,93 ft / 121,39 ft x 16,73 ft x 5,91 ft (normal load)
38,38 m / 37,00 m x 5,10 m x 1,80 m

Armament:
2 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on centreline, evenly spread
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1942 Model
Breech loading guns in deck mounts
on side, all amidships
Weight of broadside 5 lbs / 2 kg
Shells per gun, main battery: 1.000

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 3.000 shp / 2.238 Kw = 24,14 kts
Range 2.000nm at 10,00 kts
Bunker at max displacement = 12 tons

Complement:
19 - 25

Cost:
£0,084 million / $0,336 million

Distribution of weights at normal displacement:
Armament: 1 tons, 0,5%
Armour: 1 tons, 0,6%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 1 tons, 0,6%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 61 tons, 47,0%
Hull, fittings & equipment: 45 tons, 34,5%
Fuel, ammunition & stores: 13 tons, 9,7%
Miscellaneous weights: 10 tons, 7,7%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
51 lbs / 23 Kg = 26,0 x 1,6 " / 40 mm shells or 0,1 torpedoes
Stability (Unstable if below 1.00): 1,05
Metacentric height 0,4 ft / 0,1 m
Roll period: 11,5 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0,05
Seaboat quality (Average = 1.00): 0,72

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,380
Length to Beam Ratio: 7,25 : 1
'Natural speed' for length: 13,17 kts
Power going to wave formation at top speed: 77 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 12,47 ft / 3,80 m
- Forecastle (20%): 9,51 ft / 2,90 m
- Mid (40%): 9,51 ft / 2,90 m (7,22 ft / 2,20 m aft of break)
- Quarterdeck (15%): 7,22 ft / 2,20 m
- Stern: 7,22 ft / 2,20 m
- Average freeboard: 8,37 ft / 2,55 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 166,3%
- Above water (accommodation/working, high = better): 102,1%
Waterplane Area: 1.285 Square feet or 119 Square metres
Displacement factor (Displacement / loading): 76%
Structure weight / hull surface area: 16 lbs/sq ft or 78 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,50
- Longitudinal: 6,80
- Overall: 0,65
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

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13

Monday, June 4th 2012, 9:30pm

UJ89 - UJ94, laid down 1942
UJ95 - UJ104, laid down 1943



Displacement:
197 t light; 209 t standard; 237 t normal; 260 t full load

Dimensions: Length overall / water x beam x draught
146,54 ft / 140,09 ft x 22,31 ft x 6,33 ft (normal load)
44,67 m / 42,70 m x 6,80 m x 1,93 m

Armament:
2 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1942 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread, 1 raised mount
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1942 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 46 lbs / 21 kg
Shells per gun, main battery: 280

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,79" / 20 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2.279 shp / 1.700 Kw = 19,72 kts
Range 3.500nm at 12,00 kts
Bunker at max displacement = 51 tons

Complement:
29 - 39

Cost:
£0,128 million / $0,511 million

Distribution of weights at normal displacement:
Armament: 6 tons, 2,4%
Armour: 5 tons, 2,1%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 5 tons, 2,1%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 60 tons, 25,1%
Hull, fittings & equipment: 112 tons, 47,0%
Fuel, ammunition & stores: 41 tons, 17,1%
Miscellaneous weights: 15 tons, 6,3%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
298 lbs / 135 Kg = 14,3 x 3,5 " / 88 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 0,6 ft / 0,2 m
Roll period: 11,8 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,20
Seaboat quality (Average = 1.00): 1,28

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,420
Length to Beam Ratio: 6,28 : 1
'Natural speed' for length: 11,84 kts
Power going to wave formation at top speed: 69 %
Trim (Max stability = 0, Max steadiness = 100): 55
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,72 ft / 5,40 m
- Forecastle (35%): 13,12 ft / 4,00 m (7,87 ft / 2,40 m aft of break)
- Mid (50%): 7,87 ft / 2,40 m
- Quarterdeck (15%): 7,87 ft / 2,40 m
- Stern: 7,87 ft / 2,40 m
- Average freeboard: 10,35 ft / 3,16 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 108,8%
- Above water (accommodation/working, high = better): 100,8%
Waterplane Area: 1.949 Square feet or 181 Square metres
Displacement factor (Displacement / loading): 128%
Structure weight / hull surface area: 28 lbs/sq ft or 139 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,78
- Longitudinal: 8,62
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

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14

Monday, June 4th 2012, 9:41pm

General Zartenar , laid down 1942
General Mazwei , laid down 1942


[Conceptional sketch, final design may differ slightly]

Displacement:
498 t light; 538 t standard; 603 t normal; 654 t full load

Dimensions: Length overall / water x beam x draught
229,28 ft / 223,10 ft x 26,25 ft x 6,00 ft (normal load)
69,88 m / 68,00 m x 8,00 m x 1,83 m

Armament:
6 - 4,13" / 105 mm guns (3x2 guns), 35,32lbs / 16,02kg shells, 1942 Model
Dual purpose guns in deck mounts
on centreline ends, majority forward, 1 raised mount - superfiring
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
Weight of broadside 221 lbs / 100 kg
Shells per gun, main battery: 220

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0,79" / 20 mm 98,43 ft / 30,00 m 6,56 ft / 2,00 m
Ends: Unarmoured
Main Belt covers 68% of normal length
Main belt does not fully cover magazines and engineering spaces

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,79" / 20 mm -
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 2.666 ihp / 1.989 Kw = 18,52 kts
Range 2.600nm at 12,00 kts
Bunker at max displacement = 116 tons (100% coal)

Complement:
60 - 79

Cost:
£0,398 million / $1,591 million

Distribution of weights at normal displacement:
Armament: 28 tons, 4,6%
Armour: 39 tons, 6,5%
- Belts: 23 tons, 3,9%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 16 tons, 2,6%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 156 tons, 26,0%
Hull, fittings & equipment: 235 tons, 39,0%
Fuel, ammunition & stores: 104 tons, 17,3%
Miscellaneous weights: 40 tons, 6,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
521 lbs / 236 Kg = 14,7 x 4,1 " / 105 mm shells or 0,3 torpedoes
Stability (Unstable if below 1.00): 1,25
Metacentric height 1,0 ft / 0,3 m
Roll period: 10,9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,35
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,600
Length to Beam Ratio: 8,50 : 1
'Natural speed' for length: 14,94 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 1,64 ft / 0,50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 12,47 ft / 3,80 m
- Forecastle (20%): 7,55 ft / 2,30 m
- Mid (44%): 7,55 ft / 2,30 m
- Quarterdeck (15%): 7,55 ft / 2,30 m
- Stern: 7,55 ft / 2,30 m
- Average freeboard: 7,94 ft / 2,42 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 128,1%
- Above water (accommodation/working, high = better): 102,6%
Waterplane Area: 4.283 Square feet or 398 Square metres
Displacement factor (Displacement / loading): 97%
Structure weight / hull surface area: 39 lbs/sq ft or 189 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,98
- Longitudinal: 1,27
- Overall: 1,00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

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15

Saturday, July 7th 2012, 2:49pm

[Somehow these vessels escaped entry into my encyclopedia or they were deleted accidently or I can't find them in my own encyclopedia anymore...]

Argonaut , laid down 1936
Lynkeus , laid down 1936



Displacement:
199 t light; 221 t standard; 228 t normal; 234 t full load

Dimensions: Length overall / water x beam x draught
145,80 ft / 144,36 ft x 27,89 ft x 3,61 ft (normal load)
44,44 m / 44,00 m x 8,50 m x 1,10 m

Armament:
2 - 5,91" / 150 mm guns in single mounts, 102,98lbs / 46,71kg shells, 1932 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 207 lbs / 94 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0,79" / 20 mm 95,14 ft / 29,00 m 3,94 ft / 1,20 m
Ends: Unarmoured
Main Belt covers 101% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
2nd: 0,39" / 10 mm - -

- Armour deck: 0,39" / 10 mm, Conning tower: 1,38" / 35 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 402 shp / 300 Kw = 12,52 kts
Range 2.000nm at 8,00 kts
Bunker at max displacement = 14 tons

Complement:
29 - 38

Cost:
£0,158 million / $0,633 million

Distribution of weights at normal displacement:
Armament: 26 tons, 11,3%
Armour: 45 tons, 19,8%
- Belts: 13 tons, 5,7%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 11 tons, 4,8%
- Armour Deck: 20 tons, 8,7%
- Conning Tower: 1 tons, 0,5%
Machinery: 10 tons, 4,2%
Hull, fittings & equipment: 118 tons, 51,8%
Fuel, ammunition & stores: 30 tons, 12,9%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
361 lbs / 164 Kg = 3,5 x 5,9 " / 150 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,51
Metacentric height 1,5 ft / 0,5 m
Roll period: 9,6 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,18
Seaboat quality (Average = 1.00): 1,01

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,550
Length to Beam Ratio: 5,18 : 1
'Natural speed' for length: 12,01 kts
Power going to wave formation at top speed: 46 %
Trim (Max stability = 0, Max steadiness = 100): 71
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: 8,20 ft / 2,50 m
- Forecastle (20%): 5,25 ft / 1,60 m
- Mid (50%): 4,59 ft / 1,40 m
- Quarterdeck (15%): 4,59 ft / 1,40 m
- Stern: 4,59 ft / 1,40 m
- Average freeboard: 5,06 ft / 1,54 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 100,7%
- Above water (accommodation/working, high = better): 84,9%
Waterplane Area: 2.725 Square feet or 253 Square metres
Displacement factor (Displacement / loading): 83%
Structure weight / hull surface area: 36 lbs/sq ft or 178 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,95
- Longitudinal: 1,59
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

HoOmAn

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16

Sunday, March 16th 2014, 10:00pm

Drudge, laid down 1943
Grind, laid down 1943



Displacement:
187 t light; 199 t standard; 219 t normal; 235 t full load

Dimensions: Length overall / water x beam x draught
140,93 ft / 134,51 ft x 22,97 ft x 5,91 ft (normal load)
42,96 m / 41,00 m x 7,00 m x 1,80 m

Armament:
2 - 2,95" / 75,0 mm guns in single mounts, 13,23lbs / 6,00kg shells, 1943 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1943 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 31 lbs / 14 kg
Shells per gun, main battery: 400

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 0,98" / 25 mm 78,74 ft / 24,00 m 6,56 ft / 2,00 m
Ends: Unarmoured
Main Belt covers 90% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,79" / 20 mm 1,18" / 30 mm
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

- Conning tower: 0,79" / 20 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 1.340 shp / 1.000 Kw = 18,51 kts
Range 3.000nm at 12,00 kts
Bunker at max displacement = 36 tons

Complement:
27 - 36

Cost:
£0,099 million / $0,395 million

Distribution of weights at normal displacement:
Armament: 4 tons, 2,0%
Armour: 28 tons, 12,6%
- Belts: 23 tons, 10,3%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 2,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 1 tons, 0,3%
Machinery: 35 tons, 15,8%
Hull, fittings & equipment: 105 tons, 48,1%
Fuel, ammunition & stores: 32 tons, 14,6%
Miscellaneous weights: 15 tons, 6,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
479 lbs / 217 Kg = 37,2 x 3,0 " / 75 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,11
Metacentric height 0,7 ft / 0,2 m
Roll period: 11,8 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,20
Seaboat quality (Average = 1.00): 1,00

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,420
Length to Beam Ratio: 5,86 : 1
'Natural speed' for length: 14,07 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 51
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 1,64 ft / 0,50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 13,12 ft / 4,00 m
- Forecastle (25%): 8,53 ft / 2,60 m
- Mid (50%): 8,53 ft / 2,60 m
- Quarterdeck (15%): 8,53 ft / 2,60 m
- Stern: 8,53 ft / 2,60 m
- Average freeboard: 8,99 ft / 2,74 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 77,3%
- Above water (accommodation/working, high = better): 120,3%
Waterplane Area: 1.999 Square feet or 186 Square metres
Displacement factor (Displacement / loading): 149%
Structure weight / hull surface area: 31 lbs/sq ft or 154 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,82
- Longitudinal: 5,79
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent

HoOmAn

Keeper of the Sacred Block Coefficient

  • "HoOmAn" is 43 years old today
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17

Sunday, April 6th 2014, 12:21am

UJ105-113, laid down 1944
UJ114-120, laid down 1945



Displacement:
200 t light; 209 t standard; 236 t normal; 258 t full load

Dimensions: Length overall / water x beam x draught
151,37 ft / 144,69 ft x 22,31 ft x 6,40 ft (normal load)
46,14 m / 44,10 m x 6,80 m x 1,95 m

Armament:
1 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1944 Model
Automatic rapid fire gun in a deck mount with hoist
on centreline forward
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1944 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1944 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 17 lbs / 8 kg
Shells per gun, main battery: 400

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,18" / 30 mm 0,79" / 20 mm 0,98" / 25 mm
2nd: 0,59" / 15 mm - -
3rd: 0,39" / 10 mm - -

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2.145 shp / 1.600 Kw = 20,79 kts
Range 4.000nm at 12,00 kts
Bunker at max displacement = 49 tons

Complement:
29 - 39

Cost:
£0,113 million / $0,451 million

Distribution of weights at normal displacement:
Armament: 2 tons, 1,1%
Armour: 2 tons, 1,0%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 2 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 55 tons, 23,2%
Hull, fittings & equipment: 115 tons, 48,8%
Fuel, ammunition & stores: 36 tons, 15,4%
Miscellaneous weights: 25 tons, 10,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
378 lbs / 172 Kg = 29,4 x 3,0 " / 75 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,10
Metacentric height 0,6 ft / 0,2 m
Roll period: 11,8 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,11
Seaboat quality (Average = 1.00): 1,20

Hull form characteristics:
Hull has raised forecastle
and transom stern
Block coefficient: 0,400
Length to Beam Ratio: 6,49 : 1
'Natural speed' for length: 14,49 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 43
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18,37 ft / 5,60 m
- Forecastle (35%): 13,12 ft / 4,00 m (7,87 ft / 2,40 m aft of break)
- Mid (50%): 7,87 ft / 2,40 m
- Quarterdeck (15%): 7,87 ft / 2,40 m
- Stern: 7,87 ft / 2,40 m
- Average freeboard: 10,45 ft / 3,18 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96,7%
- Above water (accommodation/working, high = better): 106,6%
Waterplane Area: 2.062 Square feet or 192 Square metres
Displacement factor (Displacement / loading): 151%
Structure weight / hull surface area: 28 lbs/sq ft or 137 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,79
- Longitudinal: 8,50
- Overall: 1,00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Good seaboat, rides out heavy weather easily