Torpedo Boats

Started by Jefgte, November 16, 2020, 08:32:24 AM

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Jefgte

Torpedo Boats are small destroyers made to costal works in short sea & archipelagos.
They are use also as Squadron leader for MTBs.

1924H1

Torpedo Boats


Red SeaT500MT220-T221-T222-T223500
Red SeaT500MT216-T217-T218-T219500
Red SeaT500AT210-T213-T214-T215500
Red SeaT500AT208-T209-T210-T211500
Red SeaT500AT204-T205-T206-T207500
Red SeaT500AT200-T201-T202-T203500
Red SeaT500AT196-T197-T198-T199500
AustraliaT840T187-T188-T189840
AustraliaT840T184-T185-T186840
MarmaraT400T180-T181-T182-T183400
MarmaraT400T176-T177-T178-T179400
MarmaraT400T172-T173-T174-T175400
KismayoT400T168-T169-T170-T171400
MtwaraT400T164-T165-T166-T167400
MaputoT400T160-T161-T162-T163400
Diego SuarezT600T156-T157-T158-T159600
Diego SuarezT600T152-T153-T154-T155600
Diego SuarezT600T148-T149-T150-T151600
Red Sea-AdenD6T85-T86-T87- T88750
Red Sea-AdenD5T81-T82-T83-T84750
Red Sea-AdenD5T77-T78-T79-T80750
AdenD4T60-T61-T62-T63-T64500
AdenD4T58 blew up - T54-T55-T56-T57-T59500
AdenD4T49-T50-T51-T52-T53500
Diego SuarezD3T45-T46-T47-T48500
Diego SuarezD3T41-T42-T43-T44500
Diego SuarezD3T37-T38-T39-T40500
Red SeaD3T33-T34-T35-T36500
Red SeaD3T29-T30-T31-T32500
Red SeaD3T25-T26-T27-T28500
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#1
Designed in 1890, the first series of torpedo boats of the Empire are now assigned to the protection of straits and archipelagos with the support of the 500t Torpedo Gun Boats.

T140 class, Byzantine Empire 42m-140tonnes laid down 1891

T1 to T24 - LD in 1891
T25 to T52 - LD in 1893


T1 to T52 scrapped in 1914-1915

Displacement:
   140 t light; 144 t standard; 151 t normal; 157 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (137,80 ft / 137,80 ft) x 16,40 ft x (5,86 / 6,00 ft)
   (42,00 m / 42,00 m) x 5,00 m  x (1,79 / 1,83 m)

Armament:
      3 - 1,85" / 47,0 mm 45,0 cal guns - 3,20lbs / 1,45kg shells, 200 per gun
     Quick firing guns in deck mounts, 1891 Model
     3 x Single mounts on centreline, evenly spread
      1 raised mount
      2 - 0,30" / 7,7 mm 50,0 cal guns - 0,01lbs / 0,00kg shells, 1 000 per gun
     Machine guns in deck mounts, 1891 Model
     2 x Single mounts on sides, forward deck forward
      Weight of broadside 10 lbs / 4 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,20" / 5 mm         -               -

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 2 shafts, 2 140 ihp / 1 596 Kw = 21,06 kts
   Range 500nm at 10,00 kts
   Bunker at max displacement = 13 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   21 - 28

Cost:
   £0,018 million / $0,073 million

Distribution of weights at normal displacement:
   Armament: 2 tons, 1,5 %
      - Guns: 2 tons, 1,5 %
   Armour: 1 tons, 0,9 %
      - Armament: 1 tons, 0,9 %
   Machinery: 92 tons, 60,7 %
   Hull, fittings & equipment: 43 tons, 28,1 %
   Fuel, ammunition & stores: 11 tons, 7,5 %
   Miscellaneous weights: 2 tons, 1,3 %
      - On freeboard deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     36 lbs / 16 Kg = 11,4 x 1,9 " / 47 mm shells or 0,1 torpedoes
   Stability (Unstable if below 1.00): 1,32
   Metacentric height 0,5 ft / 0,2 m
   Roll period: 9,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,11
   Seaboat quality  (Average = 1.00): 1,03

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,405
   Length to Beam Ratio: 8,40 : 1
   'Natural speed' for length: 11,74 kts
   Power going to wave formation at top speed: 68 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   22,00 %,  8,37 ft / 2,55 m,  9,35 ft / 2,85 m
      - Forward deck:   25,00 %,  7,38 ft / 2,25 m,  6,89 ft / 2,10 m
      - Aft deck:   28,00 %,  6,89 ft / 2,10 m,  6,56 ft / 2,00 m
      - Quarter deck:   25,00 %,  6,56 ft / 2,00 m,  6,23 ft / 1,90 m
      - Average freeboard:      7,24 ft / 2,21 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 199,7 %
      - Above water (accommodation/working, high = better): 86,8 %
   Waterplane Area: 1 391 Square feet or 129 Square metres
   Displacement factor (Displacement / loading): 18 %
   Structure weight / hull surface area: 16 lbs/sq ft or 76 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,73
      - Overall: 0,59
   Caution: Hull subject to strain in open-sea
   Cramped machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

2t for 2TTx15''

Trial speed:27kts
Bonus:5.94
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#2
To counter 60-ton Parthian torpedo boats series, the Empire decided to build 125 t torpedo boats with improved nautical qualities

T125 class, Byzantine Empire 38m-125tonnes laid down 1900

T53 to T74 LD in 1900 => Scrap 1916
T75 to T100 LD in 1901 => Scrap 1916
T101 to T123 LD in 1902 => Scrap 1917


Displacement:
   125 t light; 131 t standard; 137 t normal; 142 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (124,67 ft / 124,67 ft) x 15,29 ft x (6,30 / 6,44 ft)
   (38,00 m / 38,00 m) x 4,66 m  x (1,92 / 1,96 m)

Armament:
      1 - 3,00" / 76,2 mm 45,0 cal gun - 13,62lbs / 6,18kg shells, 200 per gun
     Quick firing gun in deck mount, 1900 Model
     1 x Single mount on centreline forward
      2 - 1,85" / 47,0 mm 50,0 cal guns - 3,35lbs / 1,52kg shells, 500 per gun
     Quick firing guns in deck mounts, 1900 Model
     2 x Single mounts on sides, forward deck forward
      2 - 0,30" / 7,7 mm 70,0 cal guns - 0,02lbs / 0,01kg shells, 2 000 per gun
     Machine guns in deck mounts, 1900 Model
     2 x Single mounts on sides, forward deck centre
      Weight of broadside 20 lbs / 9 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,20" / 5 mm         -               -

Machinery:
   Coal fired boilers, complex reciprocating steam engines,
   Direct drive, 2 shafts, 2 150 ihp / 1 604 Kw = 21,05 kts
   Range 500nm at 10,00 kts
             700nm at 9,00 kts
   Bunker at max displacement = 11 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   19 - 26

Cost:
   £0,017 million / $0,068 million

Distribution of weights at normal displacement:
   Armament: 4 tons, 3,2 %
      - Guns: 4 tons, 3,2 %
   Armour: 0 tons, 0,3 %
      - Armament: 0 tons, 0,3 %
   Machinery: 81 tons, 59,3 %
   Hull, fittings & equipment: 35 tons, 25,5 %
   Fuel, ammunition & stores: 12 tons, 8,8 %
   Miscellaneous weights: 4 tons, 2,9 %
      - On freeboard deck: 4 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     31 lbs / 14 Kg = 2,3 x 3,0 " / 76 mm shells or 0,1 torpedoes
   Stability (Unstable if below 1.00): 1,23
   Metacentric height 0,4 ft / 0,1 m
   Roll period: 9,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,23
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,405
   Length to Beam Ratio: 8,15 : 1
   'Natural speed' for length: 11,17 kts
   Power going to wave formation at top speed: 71 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   25,00 %,  8,37 ft / 2,55 m,  9,35 ft / 2,85 m
      - Forward deck:   25,00 %,  7,38 ft / 2,25 m,  6,89 ft / 2,10 m
      - Aft deck:   25,00 %,  6,89 ft / 2,10 m,  6,56 ft / 2,00 m
      - Quarter deck:   25,00 %,  6,56 ft / 2,00 m,  6,23 ft / 1,90 m
      - Average freeboard:      7,30 ft / 2,23 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 200,8 %
      - Above water (accommodation/working, high = better): 81,0 %
   Waterplane Area: 1 173 Square feet or 109 Square metres
   Displacement factor (Displacement / loading): 20 %
   Structure weight / hull surface area: 14 lbs/sq ft or 71 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 4,25
      - Overall: 0,61
   Caution: Hull subject to strain in open-sea
   Extremely poor machinery, storage, compartmentation space
   Cramped accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

4t for 2TTx18''

Trial speed: 27kts
Bonus: 5.95
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#3
MTBA , Motor Torpedo Boat - 1906

Displacement: 40 tons.
Armament: 1x 47mm/45 cal QF gun, 2x 7.7mm/93 cal machine guns, 2x 457 torpedoes.
Range: 1000 nm at 10 knots, 300 nm at 16 knots.
Max speed: 32Kts
Complement: 10.

MTB1 to MTBA6 LD 1907
MTB7 to MTBA12 LD 1908
MTB13 to MTBA18 LD 1909
MTB19 to MTBA41 LD 1910
MTBA42 to MTBA 47 LD 1912
MTBA48 to MTBA 99 LD 1913
MTBA100 to MTBA175 LD 1914
MTBA176 to MTBA200 LD 1915
--------------------------------

MTBD , Motor Torpedo Boat - 1918

Displacement: 40 tons.
Armament: 1x 47mm/45 cal QF gun, 2x 7.7mm/93 cal machine guns, 2x 457 torpedoes.
Range: 1000 nm at 10 knots, 200 nm at 20 knots.
Max speed: 34Kts
Complement: 11.

MTBD201 to MTBD228 LD 1918
MTBD229 to MTBD248 LD 1919
MTBD249 to MTBD268 LD 1920
MTBD269 to MTBD292 LD 1921
MTBD293 to MTBD308 LD 1922
MTBD309 to MTBD320 LD 1924
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#4
D1, Byzantine Empire D333 laid down 1894

in 1914 Re Classed as "Torpedo Boat" then renamed T333 class

T124 - T125 - T126 - T127 - T128 - T129 - T130 - T131 - T132 -T133 - T134 - T135

All scrapped in 1917H2

Displacement:
   333 t light; 344 t standard; 378 t normal; 404 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (229,66 ft / 229,66 ft) x 22,97 ft x (6,27 / 6,55 ft)
   (70,00 m / 70,00 m) x 7,00 m  x (1,91 / 2,00 m)

Armament:
      2 - 3,00" / 76,2 mm 45,0 cal guns - 13,62lbs / 6,18kg shells, 150 per gun
     Quick firing guns in deck mounts, 1894 Model
     2 x Single mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 13,62lbs / 6,18kg shells, 150 per gun
     Breech loading gun in deck mount, 1894 Model
     1 x Single mount on centreline, aft deck forward
      2 - 0,30" / 7,7 mm 50,0 cal guns - 0,01lbs / 0,00kg shells, 4 000 per gun
     Machine guns in deck mounts, 1894 Model
     2 x Single mounts on sides, forward deck centre
      Weight of broadside 41 lbs / 19 kg

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

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 2 shafts, 4 256 ihp / 3 175 Kw = 23,19 kts
   Range 1 900nm at 9,00 kts
   Bunker at max displacement = 60 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   42 - 55

Cost:
   £0,045 million / $0,178 million

Distribution of weights at normal displacement:
   Armament: 7 tons, 2,0 %
      - Guns: 7 tons, 2,0 %
   Armour: 5 tons, 1,3 %
      - Armament: 5 tons, 1,3 %
   Machinery: 220 tons, 58,2 %
   Hull, fittings & equipment: 87 tons, 23,1 %
   Fuel, ammunition & stores: 44 tons, 11,7 %
   Miscellaneous weights: 14 tons, 3,7 %
      - On freeboard deck: 4 tons
      - Above deck: 10 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     88 lbs / 40 Kg = 6,5 x 3,0 " / 76 mm shells or 0,1 torpedoes
   Stability (Unstable if below 1.00): 1,45
   Metacentric height 1,0 ft / 0,3 m
   Roll period: 9,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,08
   Seaboat quality  (Average = 1.00): 1,00

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,409
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,15 kts
   Power going to wave formation at top speed: 58 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  10,83 ft / 3,30 m,  9,51 ft / 2,90 m
      - Forward deck:   30,00 %,  7,55 ft / 2,30 m,  7,22 ft / 2,20 m
      - Aft deck:   30,00 %,  7,22 ft / 2,20 m,  6,89 ft / 2,10 m
      - Quarter deck:   20,00 %,  6,89 ft / 2,10 m,  6,56 ft / 2,00 m
      - Average freeboard:      7,68 ft / 2,34 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 193,2 %
      - Above water (accommodation/working, high = better): 95,4 %
   Waterplane Area: 3 247 Square feet or 302 Square metres
   Displacement factor (Displacement / loading): 23 %
   Structure weight / hull surface area: 18 lbs/sq ft or 89 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 0,72
      - Overall: 0,52
   Caution: Hull subject to strain in open-sea
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

4 tons for 2TTx450 + 2 reloads

Trial speed: 27kts
Bonus: 3.81

1904 refit
10t for short Marconi
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#5
D2, Byzantine Empire D500 laid down 1896

in 1914 Re Classed as "Torpedo Boat" then renamed T500 class

T136 - T137 - T138 - T139 - T140 - T141 - T142 - T143 - T144 - T145 - T146 - T147

All scrapped in 1922H1

Displacement:
   500 t light; 515 t standard; 572 t normal; 618 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (246,06 ft / 246,06 ft) x 24,61 ft x (8,27 / 8,70 ft)
   (75,00 m / 75,00 m) x 7,50 m  x (2,52 / 2,65 m)

Armament:
      3 - 3,00" / 76,2 mm 45,0 cal guns - 13,62lbs / 6,18kg shells, 150 per gun
     Quick firing guns in deck mounts, 1896 Model
     3 x Single mounts on centreline ends, majority forward
      1 raised mount - superfiring
      2 - 0,30" / 7,7 mm 50,0 cal guns - 0,01lbs / 0,00kg shells, 2 000 per gun
     Machine guns in deck mounts, 1896 Model
     2 x Single mounts on sides, forward deck aft
      Weight of broadside 41 lbs / 19 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,20" / 5 mm         -               -
   2nd:   0,20" / 5 mm         -               -

Machinery:
   Coal fired boilers, simple reciprocating steam engines,
   Direct drive, 2 shafts, 8 000 ihp / 5 968 Kw = 25,57 kts
   Range 2 630nm at 9,00 kts
   Bunker at max displacement = 103 tons (100% coal)
     Caution: Delicate, lightweight machinery

Complement:
   58 - 76

Cost:
   £0,068 million / $0,271 million

Distribution of weights at normal displacement:
   Armament: 8 tons, 1,4 %
      - Guns: 8 tons, 1,4 %
   Armour: 2 tons, 0,4 %
      - Armament: 2 tons, 0,4 %
   Machinery: 344 tons, 60,1 %
   Hull, fittings & equipment: 127 tons, 22,2 %
   Fuel, ammunition & stores: 72 tons, 12,6 %
   Miscellaneous weights: 19 tons, 3,3 %
      - On freeboard deck: 8 tons
      - Above deck: 11 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     118 lbs / 53 Kg = 8,7 x 3,0 " / 76 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,42
   Metacentric height 1,1 ft / 0,3 m
   Roll period: 9,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,09
   Seaboat quality  (Average = 1.00): 1,00

Hull form characteristics:
   Hull has raised forecastle,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,411
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,69 kts
   Power going to wave formation at top speed: 62 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   24,00 %,  12,47 ft / 3,80 m,  10,83 ft / 3,30 m
      - Forward deck:   25,00 %,  8,20 ft / 2,50 m,  8,20 ft / 2,50 m
      - Aft deck:   26,00 %,  8,20 ft / 2,50 m,  8,20 ft / 2,50 m
      - Quarter deck:   25,00 %,  8,20 ft / 2,50 m,  7,87 ft / 2,40 m
      - Average freeboard:      8,95 ft / 2,73 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 197,5 %
      - Above water (accommodation/working, high = better): 100,1 %
   Waterplane Area: 3 727 Square feet or 346 Square metres
   Displacement factor (Displacement / loading): 19 %
   Structure weight / hull surface area: 21 lbs/sq ft or 100 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,00
      - Overall: 0,53
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

8t for 4 TTx450 + 4 reloads

Trial speed 28.5kts
Bonus 2.93

1908 refit
10t for Marconi
1t for new 1908 rangefinder
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#6
In 1924, reclassified as Torpedo Boat because of their low displacement vs modern Destroyers.
Name changed from D to T.

D5 class, Byzantine Empire D5 laid down 1906

T77 - T78 - T79 - T80 - T81 - T82 - T83 - T84

Displacement:
   750 t light; 776 t standard; 878 t normal; 960 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (300,00 ft / 300,00 ft) x 30,00 ft x (8,54 / 9,06 ft)
   (91,44 m / 91,44 m) x 9,14 m  x (2,60 / 2,76 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 32,28lbs / 14,64kg shells, 146 per gun
     Quick firing guns in deck mounts, 1906 Model
     3 x Single mounts on centreline, evenly spread
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 103 lbs / 47 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,20" / 5 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Coal and oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 14 000 shp / 10 444 Kw = 28,08 kts
   Range 3 000nm at 10,00 kts
   Bunker at max displacement = 184 tons (90% coal)

Complement:
   79 - 104

Cost:
   £0,100 million / $0,399 million

Distribution of weights at normal displacement:
   Armament: 19 tons, 2,1 %
      - Guns: 19 tons, 2,1 %
   Armour: 6 tons, 0,7 %
      - Armament: 6 tons, 0,7 %
   Machinery: 488 tons, 55,6 %
   Hull, fittings & equipment: 201 tons, 22,9 %
   Fuel, ammunition & stores: 128 tons, 14,6 %
   Miscellaneous weights: 36 tons, 4,1 %
      - On freeboard deck: 26 tons
      - Above deck: 10 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     216 lbs / 98 Kg = 6,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,41
   Metacentric height 1,5 ft / 0,5 m
   Roll period: 10,3 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,10
   Seaboat quality  (Average = 1.00): 1,00

Hull form characteristics:
   Hull has raised forecastle,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,412
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 17,32 kts
   Power going to wave formation at top speed: 61 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   30,00 %,  15,00 ft / 4,57 m,  14,00 ft / 4,27 m
      - Forward deck:   25,00 %,  10,00 ft / 3,05 m,  9,40 ft / 2,87 m
      - Aft deck:   30,00 %,  9,40 ft / 2,87 m,  8,80 ft / 2,68 m
      - Quarter deck:   15,00 %,  8,80 ft / 2,68 m,  8,20 ft / 2,50 m
      - Average freeboard:      10,75 ft / 3,28 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 185,3 %
      - Above water (accommodation/working, high = better): 125,2 %
   Waterplane Area: 5 540 Square feet or 515 Square metres
   Displacement factor (Displacement / loading): 42 %
   Structure weight / hull surface area: 23 lbs/sq ft or 114 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 0,91
      - Overall: 0,53
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

8t for 4x2TT x 450 - 2x2T + 2x2T
10t for Marconi
2t for Top mast Range finder
2t for additionnal engines ventillation
5t Hydrophone
3t for 30x90kg DC
8t for minen or flotilla leader

Trial speed: 29.5kts
Bonus; 1.42
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#7
In 1924, reclassified as Torpedo Boat because of their low displacement vs modern Destroyers.
Name changed from D to T.

D6 class, Byzantine Empire D6 laid down 1908

T85 - T86 - T87 - T88

Displacement:
   750 t light; 776 t standard; 843 t normal; 897 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (295,28 ft / 295,28 ft) x 29,53 ft x (8,68 / 9,03 ft)
   (90,00 m / 90,00 m) x 9,00 m  x (2,65 / 2,75 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 32,27lbs / 14,64kg shells, 178 per gun
     Quick firing guns in deck mounts, 1908 Model
     3 x Single mounts on centreline ends, majority forward
      1 raised mount - superfiring
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 97 lbs / 44 kg

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

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 15 200 shp / 11 339 Kw = 28,81 kts
   Range 3 000nm at 10,00 kts
   Bunker at max displacement = 121 tons

Complement:
   77 - 101

Cost:
   £0,092 million / $0,369 million

Distribution of weights at normal displacement:
   Armament: 17 tons, 2,1 %
      - Guns: 17 tons, 2,1 %
   Armour: 5 tons, 0,6 %
      - Armament: 5 tons, 0,6 %
   Machinery: 437 tons, 51,9 %
   Hull, fittings & equipment: 216 tons, 25,6 %
   Fuel, ammunition & stores: 94 tons, 11,1 %
   Miscellaneous weights: 74 tons, 8,8 %
      - On freeboard deck: 64 tons
      - Above deck: 10 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     245 lbs / 111 Kg = 7,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,20
   Metacentric height 1,1 ft / 0,3 m
   Roll period: 11,7 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,16
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has rise forward of midbreak,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,390 / 0,399
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 17,18 kts
   Power going to wave formation at top speed: 63 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   20,00 %,  16,08 ft / 4,90 m,  14,44 ft / 4,40 m
      - Forward deck:   20,00 %,  14,44 ft / 4,40 m,  13,12 ft / 4,00 m
      - Aft deck:   35,00 %,  9,19 ft / 2,80 m,  9,19 ft / 2,80 m
      - Quarter deck:   25,00 %,  9,19 ft / 2,80 m,  8,53 ft / 2,60 m
      - Average freeboard:      11,20 ft / 3,42 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 173,4 %
      - Above water (accommodation/working, high = better): 143,2 %
   Waterplane Area: 5 331 Square feet or 495 Square metres
   Displacement factor (Displacement / loading): 51 %
   Structure weight / hull surface area: 25 lbs/sq ft or 121 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,18
      - Overall: 0,54
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

16t for 8TT x 450 - 2x2t +2x2T
16t for 8TTx450 reload
10t for Marconi
2T for Top mast rangefinder
4t for engines additionnal ventillation
10t for 1920 sonar
3t for 30x90kg DC
16t for minen or reserved

Trial speed:30kts
Bonus: 1.19

"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#8
T600 class also named "Aden class", Byzantine Empire T600 laid down 1915

T148 - T149 - T150 - T151 - T152 - T153 - T154 - T155 - T156 - T157 - T158 - T159

Displacement:
   600 t light; 626 t standard; 676 t normal; 717 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (262,25 ft / 260,83 ft) x 26,08 ft x (8,69 / 9,02 ft)
   (79,93 m / 79,50 m) x 7,95 m  x (2,65 / 2,75 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 32,27lbs / 14,64kg shells, 200 per gun
     Quick firing guns in deck mounts, 1915 Model
     3 x Single mounts on centreline, evenly spread
      1 raised mount
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 110 lbs / 50 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 2 shafts, 16 970 shp / 12 659 Kw = 30,01 kts
   Range 3 500nm at 10,00 kts
   Bunker at max displacement = 89 tons

Complement:
   66 - 86

Cost:
   £0,110 million / $0,440 million

Distribution of weights at normal displacement:
   Armament: 20 tons, 3,0 %
      - Guns: 20 tons, 3,0 %
   Armour: 5 tons, 0,8 %
      - Armament: 5 tons, 0,8 %
   Machinery: 352 tons, 52,0 %
   Hull, fittings & equipment: 208 tons, 30,7 %
   Fuel, ammunition & stores: 76 tons, 11,3 %
   Miscellaneous weights: 18 tons, 2,7 %
      - On freeboard deck: 16 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     205 lbs / 93 Kg = 6,4 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,15
   Metacentric height 0,9 ft / 0,3 m
   Roll period: 11,8 seconds
   Steadiness   - As gun platform (Average = 50 %): 71 %
         - Recoil effect (Restricted arc if above 1.00): 0,33
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,408
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 16,15 kts
   Power going to wave formation at top speed: 68 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  16,16 ft / 4,925 m,  12,88 ft / 3,925 m
      - Forward deck:   33,00 %,  12,88 ft / 3,925 m,  10,91 ft / 3,325 m
      - Aft deck:   33,00 %,  10,91 ft / 3,325 m,  10,91 ft / 3,325 m
      - Quarter deck:   16,00 %,  10,91 ft / 3,325 m,  11,65 ft / 3,525 m
      - Average freeboard:      11,56 ft / 3,62 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 176,6 %
      - Above water (accommodation/working, high = better): 138,8 %
   Waterplane Area: 4 188 Square feet or 389 Square metres
   Displacement factor (Displacement / loading): 50 %
   Structure weight / hull surface area: 26 lbs/sq ft or 125 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,49
      - Overall: 0,58
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

2t for top mast rangefinder
12t for 4TTx18"
4t reserved for new armament, materials, troops, minen...

Trial speed: 31,5kts
Bonus: 1.49
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#9
T400 class also named "Red Sea Class", Byzantine Empire T400 laid down 1916

1916=> T160 - T161 - T162 - T163 - T164 - T165 - T166 - T167 - T168 - T169 - T170 - T171
1917=> T172 - T173 - T174 - T175 - T176 - T177 - T178 - T179 - T180 - T181 - T182 - T183

Displacement:
   400 t light; 416 t standard; 448 t normal; 473 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (242,78 ft / 242,78 ft) x 24,28 ft x (6,64 / 6,89 ft)
   (74,00 m / 74,00 m) x 7,40 m  x (2,03 / 2,10 m)

Armament:
      2 - 4,00" / 102 mm 45,0 cal guns - 32,27lbs / 14,64kg shells, 150 per gun
     Quick firing guns in deck mounts, 1916 Model
     2 x Single mounts on centreline, aft evenly spread
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 2 000 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      4 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     4 x Single mounts on sides, forward deck forward
      4 raised mounts
      Weight of broadside 78 lbs / 35 kg

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

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 10 144 shp / 7 568 Kw = 28,02 kts
   Range 3 000nm at 10,00 kts
   Bunker at max displacement = 57 tons

Complement:
   48 - 63

Cost:
   £0,081 million / $0,322 million

Distribution of weights at normal displacement:
   Armament: 14 tons, 3,1 %
      - Guns: 14 tons, 3,1 %
   Armour: 7 tons, 1,6 %
      - Armament: 7 tons, 1,6 %
   Machinery: 224 tons, 50,0 %
   Hull, fittings & equipment: 143 tons, 31,9 %
   Fuel, ammunition & stores: 48 tons, 10,7 %
   Miscellaneous weights: 12 tons, 2,7 %
      - On freeboard deck: 12 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     159 lbs / 72 Kg = 5,0 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,16
   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): 0,25
   Seaboat quality  (Average = 1.00): 1,00

Hull form characteristics:
   Hull has a flush deck,
     a ram bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,408
   Length to Beam Ratio: 10,00 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 66 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   17,50 %,  13,19 ft / 4,02 m,  11,22 ft / 3,42 m
      - Forward deck:   32,50 %,  11,22 ft / 3,42 m,  9,91 ft / 3,02 m
      - Aft deck:   32,50 %,  9,91 ft / 3,02 m,  9,91 ft / 3,02 m
      - Quarter deck:   17,50 %,  9,91 ft / 3,02 m,  10,50 ft / 3,20 m
      - Average freeboard:      10,54 ft / 3,21 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 170,4 %
      - Above water (accommodation/working, high = better): 133,1 %
   Waterplane Area: 3 628 Square feet or 337 Square metres
   Displacement factor (Displacement / loading): 55 %
   Structure weight / hull surface area: 22 lbs/sq ft or 108 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 1,96
      - Overall: 0,57
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

12 tons for 4TTx457

Trial speed : 31kts
Bonus : 2.98
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#10
Able to cross the Atlantic and Indian Oceans and equipped with full armament, the T840s are intended to work in colonies.
840t is the maximum size for colonial 80m shipyards.
They are equipped to be MTB flotilla leader.

T840, Byzantine Empire Colonial Torpedo Boat laid down 1920

1920 => T184 - T185
1921 => T186 - T187 - T188 - T189

Displacement:
   840 t light; 883 t standard; 960 t normal; 1 022 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (262,14 ft / 262,14 ft) x 27,59 ft x (11,50 / 11,98 ft)
   (79,90 m / 79,90 m) x 8,41 m  x (3,51 / 3,65 m)

Armament:
      4 - 4,00" / 102 mm 45,0 cal guns - 32,28lbs / 14,64kg shells, 200 per gun
     Quick firing guns in deck mounts, 1920 Model
     2 x Twin mounts on centreline ends, evenly spread
      1 - 3,00" / 76,2 mm 45,0 cal gun - 13,62lbs / 6,18kg shells, 250 per gun
     Anti-air gun in deck mount, 1920 Model
     1 x Single mount on centreline, aft deck aft
      1 raised mount
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 970 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 156 lbs / 71 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   3rd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Coal and oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 20 780 shp / 15 502 Kw = 29,79 kts
   Range 5 000nm at 10,00 kts
   Bunker at max displacement = 139 tons (25% coal)

Complement:
   86 - 112

Cost:
   £0,247 million / $0,987 million

Distribution of weights at normal displacement:
   Armament: 25 tons, 2,6 %
      - Guns: 25 tons, 2,6 %
   Armour: 8 tons, 0,8 %
      - Armament: 8 tons, 0,8 %
   Machinery: 480 tons, 50,0 %
   Hull, fittings & equipment: 246 tons, 25,7 %
   Fuel, ammunition & stores: 120 tons, 12,5 %
   Miscellaneous weights: 80 tons, 8,3 %
      - On freeboard deck: 52 tons
      - Above deck: 28 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     260 lbs / 118 Kg = 8,1 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,07
   Metacentric height 0,8 ft / 0,3 m
   Roll period: 12,8 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,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,404 / 0,413
   Length to Beam Ratio: 9,50 : 1
   'Natural speed' for length: 16,19 kts
   Power going to wave formation at top speed: 69 %
   Trim (Max stability = 0, Max steadiness = 100): 70
   Bow angle (Positive = bow angles forward): 0,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  16,40 ft / 5,00 m,  14,04 ft / 4,28 m
      - Forward deck:   33,00 %,  14,04 ft / 4,28 m,  11,42 ft / 3,48 m
      - Aft deck:   33,00 %,  11,42 ft / 3,48 m,  11,42 ft / 3,48 m
      - Quarter deck:   16,00 %,  11,42 ft / 3,48 m,  11,75 ft / 3,58 m
      - Average freeboard:      12,52 ft / 3,82 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 171,0 %
      - Above water (accommodation/working, high = better): 119,3 %
   Waterplane Area: 4 463 Square feet or 415 Square metres
   Displacement factor (Displacement / loading): 58 %
   Structure weight / hull surface area: 27 lbs/sq ft or 134 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,74
      - Overall: 0,59
   Cramped machinery, storage, compartmentation space
   Adequate accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

3t for top mast rangefinder
25t for Long Range Marconi
16t for 1x4TTx533 HW
4t for forced ventilation
10t for 1920 sonar
5t for 50x90kg DC
17t reserved for MTB Flotilla Leader or new material, armament or 16 minen.

Trial speed: 31kts
Bonus: 1.34
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#11
This Torpedo Boat class is intended for work in archipelagos, narrow seas and near harbors.
Egée Sea, Red Sea, around Madagascar, Timor Sea...

1921 => T196 - T197 - T198 - T199 - T200 - T201 - T202 - T203 - T204 - T205
1922 => T206 - T207 - T208 - T209 - T210 - T211 - T212 - T213 - T214 - T215

Aqaba class, Byzantine Empire T500A laid down 1921

Displacement:
   500 t light; 525 t standard; 565 t normal; 597 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (244,05 ft / 242,78 ft) x 23,79 ft x (8,56 / 8,88 ft)
   (74,38 m / 74,00 m) x 7,25 m  x (2,61 / 2,71 m)

Armament:
      3 - 4,00" / 102 mm 45,0 cal guns - 32,28lbs / 14,64kg shells, 220 per gun
     Quick firing guns in deck mounts, 1921 Model
     3 x Single mounts on centreline ends, majority forward
      1 raised mount - superfiring
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 970 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 100 lbs / 45 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 13 970 shp / 10 421 Kw = 29,19 kts
   Range 3 860nm at 10,00 kts
   Bunker at max displacement = 72 tons

Complement:
   57 - 75

Cost:
   £0,158 million / $0,631 million

Distribution of weights at normal displacement:
   Armament: 18 tons, 3,2 %
      - Guns: 18 tons, 3,2 %
   Armour: 8 tons, 1,4 %
      - Armament: 8 tons, 1,4 %
   Machinery: 282 tons, 50,0 %
   Hull, fittings & equipment: 173 tons, 30,6 %
   Fuel, ammunition & stores: 65 tons, 11,6 %
   Miscellaneous weights: 18 tons, 3,2 %
      - On freeboard deck: 16 tons
      - Above deck: 2 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     174 lbs / 79 Kg = 5,4 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 0,7 ft / 0,2 m
   Roll period: 12,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,43
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,408
   Length to Beam Ratio: 10,21 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 68 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  14,44 ft / 4,40 m,  12,47 ft / 3,80 m
      - Forward deck:   33,00 %,  12,47 ft / 3,80 m,  10,27 ft / 3,13 m
      - Aft deck:   33,00 %,  10,27 ft / 3,13 m,  10,27 ft / 3,13 m
      - Quarter deck:   16,00 %,  10,27 ft / 3,13 m,  10,93 ft / 3,33 m
      - Average freeboard:      11,22 ft / 3,42 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 171,3 %
      - Above water (accommodation/working, high = better): 128,6 %
   Waterplane Area: 3 555 Square feet or 330 Square metres
   Displacement factor (Displacement / loading): 55 %
   Structure weight / hull surface area: 24 lbs/sq ft or 118 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,69
      - Overall: 0,59
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

2t for top fire control
16t for 4TTx533 HW

215nm@29kts
580nm@21kts
4810nm@9kts
Trial speed: 31,5kts
Bonus: 2.25
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#12
Also following the 500t Aquaba class, the Mayyun have a 102 gun less but the number of torpedoes goes from 2x2x533 HW to 2x3x533 HW.
The Aquaba and Mayyun classes are mainly intended for the Red Sea and the Aden Gulf.

1923 => T216 - T217 - T218 - T219 - T220 - T221 - T222 -T223 - T224 - T225
1924 => T226 - T227 - T228 - T229 - T230 - T231 - T232 - T233 - T234 - T235 - T236 - T237
1925 => T238 - T239 - T240 - T241 - T242 - T243 - T244 - T245 - T246 - T247

Mayyun class, Byzantine Empire T500M laid down 1923

Mayyun class, Byzantine Empire T500M laid down 1923

Displacement:
   500 t light; 523 t standard; 562 t normal; 594 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (244,05 ft / 242,78 ft) x 23,95 ft x (8,46 / 8,77 ft)
   (74,38 m / 74,00 m) x 7,30 m  x (2,58 / 2,67 m)

Armament:
      2 - 4,00" / 102 mm 45,0 cal guns - 32,28lbs / 14,64kg shells, 220 per gun
     Quick firing guns in deck mounts, 1923 Model
     2 x Single mounts on centreline ends, evenly spread
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 970 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 71 lbs / 32 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 14 000 shp / 10 444 Kw = 29,22 kts
   Range 3 860nm at 10,00 kts
   Bunker at max displacement = 71 tons

Complement:
   57 - 75

Cost:
Last Edit: March 30, 2023, 03:49:23 PM
   £0,176 million / $0,704 million

Distribution of weights at normal displacement:
   Armament: 13 tons, 2,4 %
      - Guns: 13 tons, 2,4 %
   Armour: 6 tons, 1,0 %
      - Armament: 6 tons, 1,0 %
   Machinery: 281 tons, 50,0 %
   Hull, fittings & equipment: 173 tons, 30,7 %
   Fuel, ammunition & stores: 62 tons, 11,1 %
   Miscellaneous weights: 27 tons, 4,8 %
      - On freeboard deck: 26 tons
      - Above deck: 1 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     182 lbs / 82 Kg = 5,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,10
   Metacentric height 0,7 ft / 0,2 m
   Roll period: 12,0 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,27
   Seaboat quality  (Average = 1.00): 1,02

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,408
   Length to Beam Ratio: 10,14 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 68 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  14,44 ft / 4,40 m,  12,47 ft / 3,80 m
      - Forward deck:   33,00 %,  12,47 ft / 3,80 m,  10,27 ft / 3,13 m
      - Aft deck:   33,00 %,  10,27 ft / 3,13 m,  10,27 ft / 3,13 m
      - Quarter deck:   16,00 %,  10,27 ft / 3,13 m,  10,93 ft / 3,33 m
      - Average freeboard:      11,22 ft / 3,42 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 169,1 %
      - Above water (accommodation/working, high = better): 129,4 %
   Waterplane Area: 3 579 Square feet or 333 Square metres
   Displacement factor (Displacement / loading): 56 %
   Structure weight / hull surface area: 24 lbs/sq ft or 117 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,70
      - Overall: 0,59
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

1t for top fire control
24t for 2x3TTx533 HW
2t engines ventillation

215nm@29kts
580nm@21kts
4810nm@9kts
Trial speed: 31,5kts
Bonus: 2.31

"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#13
Byzantium continues the development of 500t torpedo boats started with the Aquaba class, 1921 (20 ships) followed by the Mayyun class, 1923 (32 ships).
In 1926, the Hanish class begins.

Hanish class, Byzantine Empire T500 laid down 1926

1926 => T248 - T249 - T250 - T251 - T252 - T253
1927 => T254 - T255 - T256 - T257 -

Displacement:
   500 t light; 522 t standard; 561 t normal; 591 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
   (244,06 ft / 242,78 ft) x 24,05 ft x (8,40 / 8,70 ft)
   (74,39 m / 74,00 m) x 7,33 m  x (2,56 / 2,65 m)

Armament:
      2 - 4,00" / 102 mm 45,0 cal guns - 33,00lbs / 14,97kg shells, 200 per gun
     Quick firing guns in deck mounts, 1926 Model
     2 x Single mounts on centreline ends, evenly spread
      2 - 1,57" / 40,0 mm 39,0 cal guns - 2,01lbs / 0,91kg shells, 1 970 per gun
     Anti-air guns in deck mounts, 1928 Model
     2 x 1-gun mounts on sides, forward deck aft
      2 raised mounts
      2 - 0,50" / 12,7 mm 62,0 cal guns - 0,07lbs / 0,03kg shells, 4 000 per gun
     Machine guns in deck mounts, 1928 Model
     2 x Single mounts on sides, forward deck forward
      2 raised mounts
      Weight of broadside 72 lbs / 33 kg

Armour:
   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   0,39" / 10 mm         -               -
   2nd:   0,39" / 10 mm         -               -
   4th:   0,39" / 10 mm         -               -

Machinery:
   Oil fired boilers, steam turbines,
   Geared drive, 2 shafts, 14 500 shp / 10 817 Kw = 29,47 kts
   Range 3 900nm at 10,00 kts
   Bunker at max displacement = 69 tons

Complement:
   56 - 74

Cost:
   £0,208 million / $0,833 million

Distribution of weights at normal displacement:
   Armament: 13 tons, 2,4 %
      - Guns: 13 tons, 2,4 %
   Armour: 6 tons, 1,0 %
      - Armament: 6 tons, 1,0 %
   Machinery: 280 tons, 50,0 %
   Hull, fittings & equipment: 174 tons, 31,0 %
   Fuel, ammunition & stores: 60 tons, 10,8 %
   Miscellaneous weights: 27 tons, 4,8 %
      - On freeboard deck: 26 tons
      - Above deck: 1 tons

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     182 lbs / 82 Kg = 5,7 x 4,0 " / 102 mm shells or 0,2 torpedoes
   Stability (Unstable if below 1.00): 1,09
   Metacentric height 0,7 ft / 0,2 m
   Roll period: 12,1 seconds
   Steadiness   - As gun platform (Average = 50 %): 70 %
         - Recoil effect (Restricted arc if above 1.00): 0,27
   Seaboat quality  (Average = 1.00): 1,01

Hull form characteristics:
   Hull has a flush deck,
     a normal bow and a cruiser stern
   Block coefficient (normal/deep): 0,400 / 0,407
   Length to Beam Ratio: 10,10 : 1
   'Natural speed' for length: 15,58 kts
   Power going to wave formation at top speed: 69 %
   Trim (Max stability = 0, Max steadiness = 100): 69
   Bow angle (Positive = bow angles forward): 5,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = length of deck as a percentage of waterline length):
            Fore end,    Aft end
      - Forecastle:   18,00 %,  14,63 ft / 4,46 m,  12,66 ft / 3,86 m
      - Forward deck:   33,00 %,  12,66 ft / 3,86 m,  10,37 ft / 3,16 m
      - Aft deck:   33,00 %,  10,37 ft / 3,16 m,  10,37 ft / 3,16 m
      - Quarter deck:   16,00 %,  10,37 ft / 3,16 m,  11,02 ft / 3,36 m
      - Average freeboard:      11,35 ft / 3,46 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 168,8 %
      - Above water (accommodation/working, high = better): 133,8 %
   Waterplane Area: 3 594 Square feet or 334 Square metres
   Displacement factor (Displacement / loading): 56 %
   Structure weight / hull surface area: 24 lbs/sq ft or 116 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,50
      - Longitudinal: 2,79
      - Overall: 0,59
   Cramped machinery, storage, compartmentation space
   Excellent accommodation and workspace room
   Ship has slow, easy roll, a good, steady gun platform

1t for top fire control
24t for 2x3TTx533 HW
2t engines ventillation

216nm@29kts
587nm@21kts
4900nm@9kts

Trial speed: 32kts
Bonus: 2.54
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf

Jefgte

#14
MTBH, Motor Torpedo Boat - 1928

Displacement: 80 tons.
Armament: 1x76.2mm/45 cal QF gun, 2x 12.7mm/62 cal machine guns, 2x 533 torpedoes.
2t for minen or 20x90kg DC
Range: 2000 nm at 10 knots, 200 nm at 20 knots, 50nm at 30kts
Max speed: 35Kts
Complement: 16.

MTBH321 to MTBH328 LD 1928
MTBH329 to MTBH344 LD 1929
MTBH345 to MTBH360 LD 1930
"You French are fighting for money, while we English are fighting for honor!"
"Everyone is fighting for what they miss. "
Surcouf