WesWorld

Basically a repeat of the Arak with more modern engine

Astara, Persia Gunboat laid down 1937

Displacement:
1 247 t light; 1 300 t standard; 1 373 t normal; 1 431 t full load

Dimensions: Length overall / water x beam x draught
295,28 ft / 295,28 ft x 32,81 ft x 11,81 ft (normal load)
90,00 m / 90,00 m x 10,00 m x 3,60 m

Armament:
4 - 5,12" / 130 mm guns (2x2 guns), 67,03lbs / 30,40kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on centreline, all forward, 1 raised mount - superfiring
8 - 1,57" / 40,0 mm guns (4x2 guns), 1,95lbs / 0,88kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, all aft, 1 raised mount - superfiring
Weight of broadside 292 lbs / 132 kg
Shells per gun, main battery: 150
4 - 24,0" / 609,6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,97" / 50 mm 191,93 ft / 58,50 m 6,89 ft / 2,10 m
Ends: Unarmoured
Upper: 1,18" / 30 mm 191,93 ft / 58,50 m 8,01 ft / 2,44 m
Main Belt covers 100 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1,97" / 50 mm 1,18" / 30 mm 1,18" / 30 mm
2nd: 0,79" / 20 mm - -
3rd: 0,79" / 20 mm - -

- Armour deck: 1,18" / 30 mm, Conning tower: 2,76" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 8 568 shp / 6 392 Kw = 24,00 kts
Range 2 000nm at 15,00 kts
Bunker at max displacement = 131 tons

Complement:
112 - 146

Cost:
£0,586 million / $2,346 million

Distribution of weights at normal displacement:
Armament: 36 tons, 2,7 %
Armour: 352 tons, 25,6 %
- Belts: 185 tons, 13,4 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 23 tons, 1,7 %
- Armour Deck: 137 tons, 10,0 %
- Conning Tower: 7 tons, 0,5 %
Machinery: 237 tons, 17,3 %
Hull, fittings & equipment: 581 tons, 42,3 %
Fuel, ammunition & stores: 126 tons, 9,2 %
Miscellaneous weights: 40 tons, 2,9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2 028 lbs / 920 Kg = 30,2 x 5,1 " / 130 mm shells or 0,9 torpedoes
Stability (Unstable if below 1.00): 1,04
Metacentric height 1,0 ft / 0,3 m
Roll period: 13,7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,70
Seaboat quality (Average = 1.00): 1,43

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,420
Length to Beam Ratio: 9,00 : 1
'Natural speed' for length: 19,99 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 49
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: 19,03 ft / 5,80 m
- Forecastle (20 %): 13,12 ft / 4,00 m
- Mid (50 %): 12,04 ft / 3,67 m
- Quarterdeck (15 %): 12,04 ft / 3,67 m
- Stern: 12,04 ft / 3,67 m
- Average freeboard: 12,89 ft / 3,93 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80,5 %
- Above water (accommodation/working, high = better): 82,4 %
Waterplane Area: 6 270 Square feet or 582 Square metres
Displacement factor (Displacement / loading): 119 %
Structure weight / hull surface area: 52 lbs/sq ft or 252 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,79
- Longitudinal: 2,84
- Overall: 0,90
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Huzzah! And here I was, afraid you wouldn't rise to the bait of the Yezidabad Castles! Now we can has arms race!

I am more worried about your Stepanakert-class with the 200 t mines

Quoted

Originally posted by Vukovlad
I am more worried about your Stepanakert-class with the 200 t mines

Yes, wait until I finally order the rest of them. I ran out of names.

The Arak/Astara layout enlarged could make a decent escort

Bactria, Persia Escort laid down 1937

Displacement:
2 076 t light; 2 176 t standard; 2 518 t normal; 2 793 t full load

Dimensions: Length overall / water x beam x draught
393,70 ft / 393,70 ft x 42,65 ft x 13,12 ft (normal load)
120,00 m / 120,00 m x 13,00 m x 4,00 m

Armament:
6 - 5,12" / 130 mm guns (3x2 guns), 67,03lbs / 30,40kg shells, 1937 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 1,57" / 40,0 mm guns (4x2 guns), 1,95lbs / 0,88kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on side, all amidships
4 - 1,57" / 40,0 mm guns (2x2 guns), 1,95lbs / 0,88kg shells, 1937 Model
Anti-aircraft guns in deck mounts
on centreline, all aft, all raised mounts - superfiring
Weight of broadside 426 lbs / 193 kg
Shells per gun, main battery: 200
4 - 24,0" / 609,6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1,97" / 50 mm 200,13 ft / 61,00 m 6,89 ft / 2,10 m
Ends: Unarmoured
Upper: 1,18" / 30 mm 200,13 ft / 61,00 m 8,01 ft / 2,44 m
Main Belt covers 78 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2,36" / 60 mm 1,18" / 30 mm 1,18" / 30 mm
2nd: 0,79" / 20 mm - -
3rd: 0,79" / 20 mm - -

- Armour deck: 1,18" / 30 mm, Conning tower: 2,76" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 15 297 shp / 11 412 Kw = 26,00 kts
Range 7 000nm at 15,00 kts
Bunker at max displacement = 617 tons

Complement:
177 - 231

Cost:
£0,964 million / $3,856 million

Distribution of weights at normal displacement:
Armament: 53 tons, 2,1 %
Armour: 482 tons, 19,1 %
- Belts: 200 tons, 8,0 %
- Torpedo bulkhead: 0 tons, 0,0 %
- Armament: 36 tons, 1,4 %
- Armour Deck: 234 tons, 9,3 %
- Conning Tower: 11 tons, 0,4 %
Machinery: 424 tons, 16,8 %
Hull, fittings & equipment: 997 tons, 39,6 %
Fuel, ammunition & stores: 442 tons, 17,6 %
Miscellaneous weights: 120 tons, 4,8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3 953 lbs / 1 793 Kg = 59,0 x 5,1 " / 130 mm shells or 1,2 torpedoes
Stability (Unstable if below 1.00): 1,16
Metacentric height 1,8 ft / 0,6 m
Roll period: 13,2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,33
Seaboat quality (Average = 1.00): 1,25

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0,400
Length to Beam Ratio: 9,23 : 1
'Natural speed' for length: 23,11 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 56
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: 19,03 ft / 5,80 m
- Forecastle (20 %): 13,12 ft / 4,00 m
- Mid (50 %): 12,04 ft / 3,67 m
- Quarterdeck (15 %): 12,04 ft / 3,67 m
- Stern: 12,04 ft / 3,67 m
- Average freeboard: 12,89 ft / 3,93 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 77,4 %
- Above water (accommodation/working, high = better): 111,5 %
Waterplane Area: 10 727 Square feet or 997 Square metres
Displacement factor (Displacement / loading): 134 %
Structure weight / hull surface area: 61 lbs/sq ft or 300 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,86
- Longitudinal: 1,38
- Overall: 0,90
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily