WesWorld

Lily , laid down 1912, scrapped 1927
Bougainvillea , laid down 1912, scrapped 1927
Physalis , laid down 1912, scrapped 1927
Magnolia , laid down 1913, scrapped 1927
Lotus , laid down 1913, scrapped 1928
Rose , laid down 1913, scrapped 1928
Hyacinth , laid down 1913, scrapped 1928
Tulip , laid down 1914, scrapped 1928
Snowdrop , laid down 1914, scrapped 1928
Jonquil , laid down 1914, scrapped 1929
Crocus , laid down 1914, scrapped 1928
Foxglove , laid down 1915, scrapped 1929
Iris , laid down 1915, scrapped 1928



Displacement:
421 t light; 436 t standard; 564 t normal; 665 t full load
Loading submergence 81 tons/feet

Dimensions:
169,95 ft x 23,62 ft x 8,20 ft (normal load)
51,80 m x 7,20 m x 2,50 m

Armament:
2 - 3,46" / 88 mm guns
Weight of broadside 42 lbs / 19 kg

Armour:
Main gun shields 0,98" / 25 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 1.610 ihp / 1.201 Kw = 16,05 kts
Range 6.000nm at 10,00 kts

Complement:
57 - 75

Cost:
£0,034 million / $0,136 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0,9%
Armour: 2 tons, 0,3%
Belts: 0 tons, 0,0%, Armament: 2 tons, 0,3%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 107 tons, 18,9%
Hull, fittings & equipment: 257 tons, 45,6%
Fuel, ammunition & stores: 144 tons, 25,4%
Miscellaneous weights: 50 tons, 8,9%

Metacentric height 0,8

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,18
Shellfire needed to sink: 941 lbs / 427 Kg = 45,3 x 3,5 " / 88 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,6
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,12
Relative quality as seaboat: 1,64

Hull form characteristics:
Block coefficient: 0,600
Sharpness coefficient: 0,40
Hull speed coefficient 'M': 6,28
'Natural speed' for length: 13,04 kts
Power going to wave formation at top speed: 58 %
Trim: 43
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 78,8%
Relative accommodation and working space: 93,8%
(Average = 100%)
Displacement factor: 184%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1,38
(Structure weight / hull surface area: 53 lbs / square foot or 256 Kg / square metre)
Relative longitudinal hull strength: 4,29
(for 9,84 ft / 3,00 m average freeboard, freeboard adjustment 1,32 ft)
Relative composite hull strength: 1,55

Oak , laid down 1916, refitted 1932, sold to Mexico 1943
Alder , laid down 1916, refitted 1932, sold to Mexico 1943
Pine , laid down 1916, refitted 1932, sold to Mexico 1943
Red Beech , laid down 1916, refitted 1932, sold to Mexico 1943
Yew , laid down 1916, refitted 1932, sold to Mexico 1943
Birch , laid down 1916, refitted 1932, sold to Mexico 1943
Plane , laid down 1917, refitted 1932, sold to Mexico 1943
Stone Pine , laid down 1917, refitted 1932, sold to Mexico 1943
Tamarack , laid down 1917, sold to Mexico 1931
Sycamore , laid down 1917, sold to Mexico 1931
Maple , laid down 1918, sold to Mexico 1931
Conker , laid down 1918, sold to Mexico 1931
Basswood , laid down 1918, sold to Mexico 1931
Silver Fir , laid down 1918, sold to Mexico 1931
Larch , laid down 1919, sold to Mexico 1931

Original Data

Displacement:
472 t light; 491 t standard; 630 t normal; 739 t full load
Loading submergence 91 tons/feet

Dimensions:
182,09 ft x 24,61 ft x 8,20 ft (normal load)
55,50 m x 7,50 m x 2,50 m

Armament:
2 - 4,13" / 105 mm guns
2 - 1,57" / 40 mm AA guns
4 - 0,79" / 20 mm guns
Weight of broadside 76 lbs / 34 kg

Armour:
Main gun shields 0,98" / 25 mm, AA gun shields 0,59" / 15 mm

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 1.609 ihp / 1.200 Kw = 15,91 kts
Range 6.500nm at 10,00 kts

Complement:
62 - 81

Cost:
£0,064 million / $0,256 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1,5%
Armour: 3 tons, 0,4%
Belts: 0 tons, 0,0%, Armament: 3 tons, 0,4%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 105 tons, 16,7%
Hull, fittings & equipment: 305 tons, 48,4%
Fuel, ammunition & stores: 158 tons, 25,1%
Miscellaneous weights: 50 tons, 7,9%

Metacentric height 0,8

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,18
Shellfire needed to sink: 1.101 lbs / 499 Kg = 31,2 x 4,1 " / 105 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,7
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 72 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,19
Relative quality as seaboat: 1,68

Hull form characteristics:
Block coefficient: 0,600
Sharpness coefficient: 0,40
Hull speed coefficient 'M': 6,49
'Natural speed' for length: 13,49 kts
Power going to wave formation at top speed: 56 %
Trim: 43
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 75,1%
Relative accommodation and working space: 96,2%
(Average = 100%)
Displacement factor: 186%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1,41
(Structure weight / hull surface area: 57 lbs / square foot or 278 Kg / square metre)
Relative longitudinal hull strength: 3,93
(for 9,84 ft / 3,00 m average freeboard, freeboard adjustment 1,13 ft)
Relative composite hull strength: 1,56

After modernization

Displacement:
475 t light; 494 t standard; 630 t normal; 739 t full load

Dimensions: Length overall / water x beam x draught
188,12 ft / 182,09 ft x 24,61 ft x 8,20 ft (normal load)
57,34 m / 55,50 m x 7,50 m x 2,50 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1916 Model
Breech loading gun in deck mount
on centreline forward
2 - 1,57" / 40,0 mm guns in single mounts, 1,95lbs / 0,88kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
4 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 40 lbs / 18 kg
Shells per gun, main battery: 250

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 1.608 ihp / 1.200 Kw = 15,91 kts
Range 6.500nm at 10,00 kts
Bunker at max displacement = 245 tons (100% coal)

Complement:
62 - 81

Cost:
£0,058 million / $0,233 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0,8%
Armour: 4 tons, 0,6%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 0,6%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 105 tons, 16,7%
Hull, fittings & equipment: 311 tons, 49,4%
Fuel, ammunition & stores: 155 tons, 24,6%
Miscellaneous weights: 50 tons, 7,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.265 lbs / 574 Kg = 35,8 x 4,1 " / 105 mm shells or 0,8 torpedoes
Stability (Unstable if below 1.00): 1,22
Metacentric height 0,9 ft / 0,3 m
Roll period: 11,0 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,10
Seaboat quality (Average = 1.00): 1,98

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,600
Length to Beam Ratio: 7,40 : 1
'Natural speed' for length: 13,49 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 36
Bow angle (Positive = bow angles forward): 5,00 degrees
Stern overhang: 4,59 ft / 1,40 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 16,40 ft / 5,00 m
- Forecastle (20%): 13,78 ft / 4,20 m
- Mid (30%): 13,78 ft / 4,20 m
- Quarterdeck (15%): 5,91 ft / 1,80 m
- Stern: 5,91 ft / 1,80 m
- Average freeboard: 10,64 ft / 3,24 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 70,3%
- Above water (accommodation/working, high = better): 105,2%
Waterplane Area: 3.277 Square feet or 304 Square metres
Displacement factor (Displacement / loading): 207%
Structure weight / hull surface area: 51 lbs/sq ft or 251 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,36
- Longitudinal: 6,13
- Overall: 1,58
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

Ivy , laid down 1921, refitted 1933
Syringa , laid down 1921, refitted 1933, sunk 09-08-35 (bomb)
Hazel , laid down 1921, refitted 1934
Barberry , laid down 1921, refitted 1934, sunk 04-08-35 (mine)
Blackberry , laid down 1922, refitted 1934
Buddleia , laid down 1922, refitted 1935, sunk 16-09-35 (mine)
Ash , laid down 1922, refitted 1934
Buckthorn , laid down 1922, refitted 1939
Firethorn , laid down 1923, refitted 1939
Blackthorn , laid down 1923, refitted 1940
Cornel , laid down 1924, refitted 1940
Cranberry , laid down 1924, refitted 1940
Clematis , laid down 1926, refitted 1940
Juniper , laid down 1926, refitted 1940
Privet , laid down 1927, refitted 1940
Haw , laid down 1927, refitted 1941

Displacement:
523 t light; 544 t standard; 738 t normal; 889 t full load
Loading submergence 101 tons/feet

Dimensions:
195,21 ft x 24,61 ft x 8,53 ft (normal load)
59,50 m x 7,50 m x 2,60 m

Armament:
2 - 4,13" / 105 mm guns
4 - 1,57" / 40 mm AA guns
4 - 0,79" / 20 mm guns
Weight of broadside 79 lbs / 36 kg

Armour:
Main gun shields 1,38" / 35 mm, AA gun shields 0,98" / 25 mm

Machinery:
Coal and oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 2.002 ihp / 1.494 Kw = 16,50 kts
Range 6.000nm at 12,00 kts

Complement:
70 - 91

Cost:
£0,113 million / $0,451 million

Distribution of weights at normal displacement:
Armament: 10 tons, 1,3%
Armour: 4 tons, 0,6%
Belts: 0 tons, 0,0%, Armament: 4 tons, 0,6%, Armour Deck: 0 tons, 0,0%
Conning Tower: 0 tons, 0,0%, Torpedo bulkhead: 0 tons, 0,0%
Machinery: 126 tons, 17,1%
Hull, fittings & equipment: 302 tons, 41,0%
Fuel, ammunition & stores: 215 tons, 29,1%
Miscellaneous weights: 80 tons, 10,8%

Metacentric height 0,8

Remarks:
Hull space for machinery, storage & compartmentation is excellent
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1,18
Shellfire needed to sink: 1.199 lbs / 544 Kg = 34,0 x 4,1 " / 105 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0,7
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0,18
Relative quality as seaboat: 1,61

Hull form characteristics:
Block coefficient: 0,630
Sharpness coefficient: 0,40
Hull speed coefficient 'M': 6,60
'Natural speed' for length: 13,97 kts
Power going to wave formation at top speed: 56 %
Trim: 44
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 78,4%
Relative accommodation and working space: 94,4%
(Average = 100%)
Displacement factor: 177%
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1,27
(Structure weight / hull surface area: 51 lbs / square foot or 250 Kg / square metre)
Relative longitudinal hull strength: 3,00
(for 9,84 ft / 3,00 m average freeboard, freeboard adjustment 0,85 ft)
Relative composite hull strength: 1,38


After Refit 1933:

Displacement:
526 t light; 548 t standard; 738 t normal; 890 t full load

Dimensions: Length overall / water x beam x draught
196,85 ft / 195,21 ft x 24,61 ft x 8,53 ft (normal load)
60,00 m / 59,50 m x 7,50 m x 2,60 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1921 Model
Breech loading gun in a deck mount with hoist
on centreline forward
6 - 1,57" / 40,0 mm guns (2 mounts), 1,95lbs / 0,88kg shells, 1921 Model
Breech loading guns in deck mounts
on side, evenly spread, 2 raised guns
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1921 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 48 lbs / 22 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
3rd: 0,98" / 25 mm - -
4th: 0,59" / 15 mm - -

- Conning tower: 1,18" / 30 mm

Machinery:
Coal and oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 2.000 ihp / 1.492 Kw = 16,50 kts
Range 6.000nm at 12,00 kts
Bunker at max displacement = 342 tons (80% coal)

Complement:
69 - 91

Cost:
£0,105 million / $0,419 million

Distribution of weights at normal displacement:
Armament: 6 tons, 0,8%
Armour: 9 tons, 1,2%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 7 tons, 1,0%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 2 tons, 0,3%
Machinery: 126 tons, 17,1%
Hull, fittings & equipment: 305 tons, 41,4%
Fuel, ammunition & stores: 211 tons, 28,6%
Miscellaneous weights: 80 tons, 10,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.248 lbs / 566 Kg = 35,3 x 4,1 " / 105 mm shells or 0,7 torpedoes
Stability (Unstable if below 1.00): 1,20
Metacentric height 0,9 ft / 0,3 m
Roll period: 11,1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,16
Seaboat quality (Average = 1.00): 1,75

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,630
Length to Beam Ratio: 7,93 : 1
'Natural speed' for length: 13,97 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 40
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 1,64 ft / 0,50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,39 ft / 5,30 m
- Forecastle (20%): 14,76 ft / 4,50 m
- Mid (40%): 14,76 ft / 4,50 m (6,89 ft / 2,10 m aft of break)
- Quarterdeck (15%): 6,89 ft / 2,10 m
- Stern: 6,89 ft / 2,10 m
- Average freeboard: 10,25 ft / 3,12 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74,7%
- Above water (accommodation/working, high = better): 92,9%
Waterplane Area: 3.613 Square feet or 336 Square metres
Displacement factor (Displacement / loading): 189%
Structure weight / hull surface area: 47 lbs/sq ft or 231 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,21
- Longitudinal: 4,13
- Overall: 1,37
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

After Refit 1939:

Displacement:
527 t light; 548 t standard; 738 t normal; 890 t full load

Dimensions: Length overall / water x beam x draught
196,85 ft / 195,21 ft x 24,61 ft x 8,53 ft (normal load)
60,00 m / 59,50 m x 7,50 m x 2,60 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1921 Model
Breech loading gun in deck mount
on centreline forward
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,89kg shells, 1935 Model
Anti-aircraft guns in deck mount
on side, all raised guns
2 - 0,79" / 20,0 mm guns in single mounts, 0,24lbs / 0,11kg shells, 1933 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 40 lbs / 18 kg
Shells per gun, main battery: 250

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

- Conning tower: 1,18" / 30 mm

Machinery:
Coal and oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 2.000 ihp / 1.492 Kw = 16,50 kts
Range 6.000nm at 12,00 kts
Bunker at max displacement = 342 tons (80% coal)

Complement:
69 - 91

Cost:
£0,102 million / $0,410 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0,7%
Armour: 6 tons, 0,8%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 2 tons, 0,3%
Machinery: 126 tons, 17,1%
Hull, fittings & equipment: 290 tons, 39,3%
Fuel, ammunition & stores: 211 tons, 28,6%
Miscellaneous weights: 100 tons, 13,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.217 lbs / 552 Kg = 34,5 x 4,1 " / 105 mm shells or 0,7 torpedoes
Stability (Unstable if below 1.00): 1,20
Metacentric height 0,9 ft / 0,3 m
Roll period: 11,1 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,09
Seaboat quality (Average = 1.00): 1,78

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,630
Length to Beam Ratio: 7,93 : 1
'Natural speed' for length: 13,97 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 40
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 1,64 ft / 0,50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,39 ft / 5,30 m
- Forecastle (20%): 14,76 ft / 4,50 m
- Mid (40%): 14,76 ft / 4,50 m (6,89 ft / 2,10 m aft of break)
- Quarterdeck (15%): 6,89 ft / 2,10 m
- Stern: 6,89 ft / 2,10 m
- Average freeboard: 10,25 ft / 3,12 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76,6%
- Above water (accommodation/working, high = better): 92,9%
Waterplane Area: 3.613 Square feet or 336 Square metres
Displacement factor (Displacement / loading): 185%
Structure weight / hull surface area: 45 lbs/sq ft or 219 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,21
- Longitudinal: 3,99
- Overall: 1,37
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

Aloinopsis, MS28-1, laid down 1928, refitted 1943
Aptenia , MS28-2, laid down 1928, refitted 1943
Bergeranthus , MS28-3, laid down 1928, refitted 1943
Carruanthus , MS28-4, laid down 1928, sunk 03-11-35 (mine)
Cephalophyllum , MS28-5, laid down 1929, sunk 15-05-35 (mine)
Chasmatophyllum , MS28-6, laid down 1929, sunk 15-05-35 (mine)
Cheiridopsis , MS28-7, laid down 1929
Conophytum , MS28-8, laid down 1929
Delosperma , MS28-9, laid down 1930, sunk 27-02-36 (mine)
Dracophilus , MS28-10, laid down 1930, sunk 13-03-35 (torpedo)
Drosanthemum , MS28-11, laid down 1930, refitted 1943
Eberlanzia , MS28-12, laid down 1930, refitted 1943
Faucaria , MS28-13, laid down 1930, refitted 1943
Fenestraria , MS28-14, laid down 1930
Frithia , MS28-15, laid down 1930
Gibbaeum , MS28-16, laid down 1930, sunk 23-03-36 (mine)

Original Data

Displacement:
556 t light; 579 t standard; 738 t normal; 864 t full load

Dimensions: Length overall / water x beam x draught
195,21 ft / 195,21 ft x 24,61 ft x 8,53 ft (normal load)
59,50 m / 59,50 m x 7,50 m x 2,60 m

Armament:
1 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1928 Model
Breech loading gun in deck mount
on centreline forward
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1928 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1928 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 71 lbs / 32 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,98" / 25 mm 0,39" / 10 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Coal and oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 3.200 ihp / 2.387 Kw = 18,50 kts
Range 6.000nm at 12,00 kts
Bunker at max displacement = 284 tons (50% coal)

Complement:
69 - 91

Cost:
£0,205 million / $0,821 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1,2%
Armour: 3 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 3 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 192 tons, 26,0%
Hull, fittings & equipment: 272 tons, 36,9%
Fuel, ammunition & stores: 181 tons, 24,6%
Miscellaneous weights: 80 tons, 10,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
796 lbs / 361 Kg = 12,7 x 5,0 " / 127 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,17
Metacentric height 0,8 ft / 0,2 m
Roll period: 11,5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,15
Seaboat quality (Average = 1.00): 1,24

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,630
Length to Beam Ratio: 7,93 : 1
'Natural speed' for length: 13,97 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 57
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: 16,01 ft / 4,88 m
- Forecastle (20%): 14,37 ft / 4,38 m
- Mid (40%): 14,37 ft / 4,38 m (6,50 ft / 1,98 m aft of break)
- Quarterdeck (15%): 6,50 ft / 1,98 m
- Stern: 6,50 ft / 1,98 m
- Average freeboard: 9,78 ft / 2,98 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 106,1%
- Above water (accommodation/working, high = better): 88,9%
Waterplane Area: 3.613 Square feet or 336 Square metres
Displacement factor (Displacement / loading): 137%
Structure weight / hull surface area: 43 lbs/sq ft or 212 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,15
- Longitudinal: 3,35
- Overall: 1,28
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
Good seaboat, rides out heavy weather easily

After modernization

Displacement:
556 t light; 579 t standard; 738 t normal; 864 t full load

Dimensions: Length overall / water x beam x draught
195,21 ft / 195,21 ft x 24,61 ft x 8,53 ft (normal load)
59,50 m / 59,50 m x 7,50 m x 2,60 m

Armament:
1 - 5,00" / 127 mm guns in single mounts, 62,50lbs / 28,35kg shells, 1942 Model
Dual purpose gun in deck mount
on centreline forward
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1941 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1938 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 71 lbs / 32 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

- Conning tower: 0,79" / 20 mm

Machinery:
Coal and oil fired boilers, complex reciprocating steam engines,
Geared drive, 2 shafts, 3.200 ihp / 2.387 Kw = 18,50 kts
Range 6.000nm at 12,00 kts
Bunker at max displacement = 284 tons (50% coal)

Complement:
69 - 91

Cost:
£0,205 million / $0,821 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1,2%
Armour: 7 tons, 0,9%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 5 tons, 0,7%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 1 tons, 0,2%
Machinery: 192 tons, 26,0%
Hull, fittings & equipment: 269 tons, 36,5%
Fuel, ammunition & stores: 181 tons, 24,6%
Miscellaneous weights: 80 tons, 10,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
795 lbs / 361 Kg = 12,7 x 5,0 " / 127 mm shells or 0,5 torpedoes
Stability (Unstable if below 1.00): 1,17
Metacentric height 0,8 ft / 0,2 m
Roll period: 11,5 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0,15
Seaboat quality (Average = 1.00): 1,24

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0,630
Length to Beam Ratio: 7,93 : 1
'Natural speed' for length: 13,97 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 57
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: 16,01 ft / 4,88 m
- Forecastle (20%): 14,37 ft / 4,38 m
- Mid (40%): 14,37 ft / 4,38 m (6,50 ft / 1,98 m aft of break)
- Quarterdeck (15%): 6,50 ft / 1,98 m
- Stern: 6,50 ft / 1,98 m
- Average freeboard: 9,78 ft / 2,98 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 106,1%
- Above water (accommodation/working, high = better): 88,9%
Waterplane Area: 3.613 Square feet or 336 Square metres
Displacement factor (Displacement / loading): 136%
Structure weight / hull surface area: 43 lbs/sq ft or 210 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,13
- Longitudinal: 3,31
- Overall: 1,26
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
Good seaboat, rides out heavy weather easily

Tulip , laid down 1935
Orchid , laid down 1935
Rose , laid down 1936
Iris , laid down 1936
Lotus , laid down 1936
Hyacinth , laid down 1936
Foxglove , laid down 1936
Lily , laid down 1936

Displacement:
435 t light; 452 t standard; 567 t normal; 658 t full load

Dimensions: Length overall / water x beam x draught
178,04 ft / 170,60 ft x 24,61 ft x 7,87 ft (normal load)
54,27 m / 52,00 m x 7,50 m x 2,40 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg 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
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 40 lbs / 18 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 -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

Machinery:
Coal fired boilers, complex reciprocating steam engines,
Geared drive, 1 shaft, 2.500 ihp / 1.865 Kw = 18,62 kts
Range 5.000nm at 12,00 kts
Bunker at max displacement = 207 tons (100% coal)

Complement:
57 - 75

Cost:
£0,208 million / $0,834 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0,9%
Armour: 3 tons, 0,6%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 3 tons, 0,6%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 154 tons, 27,2%
Hull, fittings & equipment: 173 tons, 30,5%
Fuel, ammunition & stores: 131 tons, 23,2%
Miscellaneous weights: 100 tons, 17,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
559 lbs / 254 Kg = 15,8 x 4,1 " / 105 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,17
Metacentric height 0,8 ft / 0,2 m
Roll period: 11,4 seconds
Steadiness - As gun platform (Average = 50 %): 55 %
- Recoil effect (Restricted arc if above 1.00): 0,08
Seaboat quality (Average = 1.00): 1,02

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0,600
Length to Beam Ratio: 6,93 : 1
'Natural speed' for length: 15,19 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 54
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: 15,91 ft / 4,85 m
- Forecastle (20%): 12,63 ft / 3,85 m
- Mid (42%): 12,63 ft / 3,85 m (6,56 ft / 2,00 m aft of break)
- Quarterdeck (15%): 6,56 ft / 2,00 m
- Stern: 6,56 ft / 2,00 m
- Average freeboard: 9,37 ft / 2,86 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 114,5%
- Above water (accommodation/working, high = better): 92,1%
Waterplane Area: 3.200 Square feet or 297 Square metres
Displacement factor (Displacement / loading): 126%
Structure weight / hull surface area: 33 lbs/sq ft or 162 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,91
- Longitudinal: 3,08
- Overall: 1,03
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

Insect-Class

MSC1 Aphis , laid down 1937
MSC2 Bee , laid down 1937
MSC3 Cicada , laid down 1937
MSC4 Cockchafer , laid down 1938
MSC5 Cricket , laid down 1938
MSC6 Glowworm , laid down 1938
MSC7 Gnat , laid down 1938
MSC8 Ladybird , laid down 1938
MSC9 Mantis , laid down 1938
MSC10 Moth , laid down 1938
MSC11 Scarab , laid down 1938
MSC12 Stinger , laid down 1938

[img]http://wesworld.jk-clan.de/schiffbilder/MS Coastal Class 37.jpg[/img]

Displacement:
189 t light; 198 t standard; 232 t normal; 258 t full load

Dimensions: Length overall / water x beam x draught
155,01 ft / 147,64 ft x 19,69 ft x 5,58 ft (normal load)
47,25 m / 45,00 m x 6,00 m x 1,70 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1937 Model
Dual purpose gun in deck mount
on centreline forward
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 220

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

- Conning tower: 1,18" / 30 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 805 shp / 600 Kw = 15,46 kts
Range 4.000nm at 12,00 kts
Bunker at max displacement = 60 tons

Complement:
29 - 38

Cost:
£0,074 million / $0,296 million

Distribution of weights at normal displacement:
Armament: 5 tons, 2,0%
Armour: 4 tons, 1,9%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 1,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 1 tons, 0,4%
Machinery: 22 tons, 9,6%
Hull, fittings & equipment: 108 tons, 46,6%
Fuel, ammunition & stores: 42 tons, 18,3%
Miscellaneous weights: 50 tons, 21,6%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
579 lbs / 263 Kg = 16,4 x 4,1 " / 105 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,13
Metacentric height 0,6 ft / 0,2 m
Roll period: 11,1 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0,21
Seaboat quality (Average = 1.00): 2,00

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0,500
Length to Beam Ratio: 7,50 : 1
'Natural speed' for length: 12,15 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 25
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: 15,75 ft / 4,80 m
- Forecastle (20%): 9,84 ft / 3,00 m
- Mid (50%): 9,84 ft / 3,00 m
- Quarterdeck (15%): 4,92 ft / 1,50 m (9,84 ft / 3,00 m before break)
- Stern: 4,92 ft / 1,50 m
- Average freeboard: 9,58 ft / 2,92 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 71,3%
- Above water (accommodation/working, high = better): 125,2%
Waterplane Area: 1.936 Square feet or 180 Square metres
Displacement factor (Displacement / loading): 171%
Structure weight / hull surface area: 27 lbs/sq ft or 132 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,83
- Longitudinal: 6,95
- Overall: 1,03
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Mahé , laid down 1938
Praslin , laid down 1938
Ste. Anne , laid down 1938
Silhouette , laid down 1938
Chauve Soris , laid down 1939
Aride , laid down 1939
La Dique , laid down 1939
Serf , laid down 1939

Displacement:
498 t light; 515 t standard; 590 t normal; 651 t full load

Dimensions: Length overall / water x beam x draught
188,42 ft / 180,45 ft x 24,93 ft x 8,20 ft (normal load)
57,43 m / 55,00 m x 7,60 m x 2,50 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1938 Model
Dual purpose gun in deck mount
on centreline forward
2 - 1,57" / 40,0 mm guns (1x2 guns), 1,95lbs / 0,88kg shells, 1938 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, 1938 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 40 lbs / 18 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 -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

- Armour deck: 0,39" / 10 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 2.500 shp / 1.865 Kw = 18,74 kts
Range 6.000nm at 12,00 kts
Bunker at max displacement = 136 tons

Complement:
59 - 77

Cost:
£0,176 million / $0,703 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0,8%
Armour: 28 tons, 4,7%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 3 tons, 0,6%
- Armour Deck: 24 tons, 4,1%
- Conning Tower: 0 tons, 0,0%
Machinery: 68 tons, 11,6%
Hull, fittings & equipment: 297 tons, 50,3%
Fuel, ammunition & stores: 93 tons, 15,7%
Miscellaneous weights: 100 tons, 16,9%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.539 lbs / 698 Kg = 43,6 x 4,1 " / 105 mm shells or 0,9 torpedoes
Stability (Unstable if below 1.00): 1,08
Metacentric height 0,7 ft / 0,2 m
Roll period: 12,3 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,13
Seaboat quality (Average = 1.00): 1,95

Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0,560
Length to Beam Ratio: 7,24 : 1
'Natural speed' for length: 15,63 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 26
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: 17,39 ft / 5,30 m
- Forecastle (20%): 13,78 ft / 4,20 m
- Mid (50%): 13,78 ft / 4,20 m
- Quarterdeck (15%): 7,22 ft / 2,20 m (13,78 ft / 4,20 m before break)
- Stern: 7,22 ft / 2,20 m
- Average freeboard: 13,08 ft / 3,99 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 63,8%
- Above water (accommodation/working, high = better): 146,8%
Waterplane Area: 3.301 Square feet or 307 Square metres
Displacement factor (Displacement / loading): 194%
Structure weight / hull surface area: 42 lbs/sq ft or 206 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,00
- Longitudinal: 10,88
- Overall: 1,27
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Cheiron , laid down 1942
Nessos , laid down 1942
Pholos , laid down 1942
Diktys , laid down 1942
Eurytion, laid down 1943
Cyllaros, laid down 1943
Rhoikos, laid down 1943
Hylaios, laid down 1943

Displacement:
537 t light; 557 t standard; 639 t normal; 705 t full load

Dimensions: Length overall / water x beam x draught
198,26 ft / 190,29 ft x 25,59 ft x 8,20 ft (normal load)
60,43 m / 58,00 m x 7,80 m x 2,50 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1942 Model
Dual purpose gun in deck mount
on centreline forward
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
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 40 lbs / 18 kg
Shells per gun, main battery: 300

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,38" / 35 mm 0,98" / 25 mm -
3rd: 0,59" / 15 mm - -
4th: 0,39" / 10 mm - -

- Armour deck: 0,39" / 10 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 2.681 shp / 2.000 Kw = 18,94 kts
Range 6.500nm at 12,00 kts
Bunker at max displacement = 148 tons

Complement:
63 - 82

Cost:
£0,208 million / $0,834 million

Distribution of weights at normal displacement:
Armament: 5 tons, 0,8%
Armour: 30 tons, 4,7%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 0,6%
- Armour Deck: 26 tons, 4,1%
- Conning Tower: 0 tons, 0,0%
Machinery: 70 tons, 11,0%
Hull, fittings & equipment: 312 tons, 48,8%
Fuel, ammunition & stores: 102 tons, 16,0%
Miscellaneous weights: 120 tons, 18,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.674 lbs / 759 Kg = 47,4 x 4,1 " / 105 mm shells or 0,9 torpedoes
Stability (Unstable if below 1.00): 1,08
Metacentric height 0,8 ft / 0,2 m
Roll period: 12,4 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0,12
Seaboat quality (Average = 1.00): 1,96

Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0,560
Length to Beam Ratio: 7,44 : 1
'Natural speed' for length: 16,02 kts
Power going to wave formation at top speed: 62 %
Trim (Max stability = 0, Max steadiness = 100): 27
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: 17,39 ft / 5,30 m
- Forecastle (20%): 13,78 ft / 4,20 m
- Mid (50%): 13,78 ft / 4,20 m
- Quarterdeck (15%): 7,22 ft / 2,20 m (13,78 ft / 4,20 m before break)
- Stern: 7,22 ft / 2,20 m
- Average freeboard: 13,08 ft / 3,99 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 63,6%
- Above water (accommodation/working, high = better): 148,8%
Waterplane Area: 3.572 Square feet or 332 Square metres
Displacement factor (Displacement / loading): 194%
Structure weight / hull surface area: 42 lbs/sq ft or 205 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,99
- Longitudinal: 9,15
- Overall: 1,23
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Fly-Class

MSC13 Blackfly , laid down 1942
MSC14 Butterfly , laid down 1942
MSC15 Caddisfly , laid down 1942
MSC16 Cranefly , laid down 1942
MSC17 Dragonfly , laid down 1942
MSC18 Firefly , laid down 1942
MSC19 Gadfly , laid down 1942
MSC20 Greenfly , laid down 1942
MSC21 Hoverfly , laid down 1942
MSC22 Mayfly , laid down 1942
MSC23 Sawfly , laid down 1942
MSC24 Sedgefly , laid down 1942



Displacement:
198 t light; 210 t standard; 243 t normal; 270 t full load

Dimensions: Length overall / water x beam x draught
155,01 ft / 147,64 ft x 20,67 ft x 5,58 ft (normal load)
47,25 m / 45,00 m x 6,30 m x 1,70 m

Armament:
1 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1941 Model
Dual purpose gun in deck mount
on centreline forward
4 - 0,79" / 20,0 mm guns (2x2 guns), 0,24lbs / 0,11kg shells, 1941 Model
Machine guns in deck mounts
on centreline, all amidships, all raised mounts - superfiring
Weight of broadside 36 lbs / 16 kg
Shells per gun, main battery: 350

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

- Conning tower: 1,18" / 30 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 805 shp / 600 Kw = 15,31 kts
Range 4.000nm at 12,00 kts
Bunker at max displacement = 60 tons

Complement:
30 - 40

Cost:
£0,085 million / $0,339 million

Distribution of weights at normal displacement:
Armament: 5 tons, 1,9%
Armour: 5 tons, 1,9%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 4 tons, 1,4%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 1 tons, 0,4%
Machinery: 21 tons, 8,7%
Hull, fittings & equipment: 108 tons, 44,3%
Fuel, ammunition & stores: 45 tons, 18,6%
Miscellaneous weights: 60 tons, 24,7%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
603 lbs / 273 Kg = 17,1 x 4,1 " / 105 mm shells or 0,6 torpedoes
Stability (Unstable if below 1.00): 1,14
Metacentric height 0,6 ft / 0,2 m
Roll period: 11,2 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0,18
Seaboat quality (Average = 1.00): 2,00

Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0,500
Length to Beam Ratio: 7,14 : 1
'Natural speed' for length: 12,15 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 26
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: 15,75 ft / 4,80 m
- Forecastle (20%): 9,84 ft / 3,00 m
- Mid (50%): 9,84 ft / 3,00 m
- Quarterdeck (15%): 4,92 ft / 1,50 m (9,84 ft / 3,00 m before break)
- Stern: 4,92 ft / 1,50 m
- Average freeboard: 9,58 ft / 2,92 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72,2%
- Above water (accommodation/working, high = better): 127,1%
Waterplane Area: 2.033 Square feet or 189 Square metres
Displacement factor (Displacement / loading): 170%
Structure weight / hull surface area: 27 lbs/sq ft or 132 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,82
- Longitudinal: 6,15
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather