„Krążownik” podwodny typu Rekin 1926 (1 szt.)
Oto owoc dość bogatej dyskusji sprzed kilku miesięcy. Nie
ukrywam, że pomijając jego wartość bojową, okręt ten w dużej mierze pełni
funkcję prestiżową. W każdym razie w przyszłości dalszych takich kolosów budować
nie zamierzam.
Jednostka – stosownie do swej wielkości – posiada silne
uzbrojenie torpedowe i artyleryjskie. Prędkość okrętu zarówno na powierzchni,
jak i w zanurzeniu, pozwala skutecznie ścigać większość statków handlowych
przeciwnika; a olbrzymi zasięg (plus duży zapas torped) pozwala na długotrwałe
przebywanie w morzu. Jednostka posiada również zaskakująco dobre – jak na okręt
podwodny – właściwości morskie.
Spodziewając się licznych głosów krytyki, rzucam Wam tego Rekina „na pożarcie”
Rekin, Poland Submarine laid down 1926
Displacement:
2 327
t light; 2 391 t standard; 2 932(3 518) t normal; 3 365 t full
load
Dimensions: Length (overall / waterline) x
beam x draught (normal/deep)
(362,97
ft / 360,89 ft) x 31,50 ft x (21,00 / 23,12 ft)
(110,63
m / 110,00 m) x 9,60 m x (6,40 / 7,05 m)
Armament:
2
- 4,13" / 105 mm 45,0 cal guns - 35,63lbs / 16,16kg shells, 120 per gun
Dual purpose guns in deck mounts, 1926 Model
2 x Single mounts on centreline, evenly
spread
2
- 0,98" / 25,0 mm 60,0 cal guns - 0,53lbs / 0,24kg shells, 1 000 per
gun
Anti-air guns in deck mount, 1926 Model
1 x Twin mount on centreline, aft deck
forward 1 raised mount
Weight of broadside 72 lbs / 33 kg
Main Torpedoes
10 - 21,0" / 533 mm, 27,33 ft / 8,33 m torpedoes - 1,758 t each,
17,579 t total
submerged
bow & stern , 10 torpedoes reloads
2nd Torpedoes
6
- 21,0" / 533 mm, 27,33 ft / 8,33 m torpedoes - 1,758 t each, 10,548 t
total
In
2 sets of deck mounted centre rotating tubes
Machinery:
Diesel
Internal combustion generators plus batteries,
Electric
motors, 2 shafts, 9 016(3 278) shp / 6 726(2 445) Kw = 21,00(11,00)
kts
Range
20 000(130)nm at 10,00(5,00) kts
Bunker
at max displacement = 974 tons
Complement:
100
Cost:
£0,866
million / $3,464 million
Distribution of weights at normal
displacement:
Armament:
70 tons, 2,4%
- Guns: 14 tons, 0,5%
- Weapons: 56 tons, 1,9%
Machinery:
289 tons, 9,8%
Hull,
fittings & equipment: 1 365 tons, 46,5%
Fuel,
ammunition & stores: 605 tons, 20,6%
Miscellaneous
weights: 604 tons, 20,6%
- Hull below water: 604 tons
Overall survivability and seakeeping ability:
Survivability
(Non-critical penetrating hits needed to sink ship):
4 188 lbs / 1 900 Kg = 64,5 x 4,1
" / 105 mm shells or 0,8 torpedoes
Stability
(Unstable if below 1.00): 1,22
Metacentric
height 1,3 ft / 0,4 m
Roll
period: 11,7 seconds
Steadiness - As gun platform (Average = 50 %): 72 %
-
Recoil effect (Restricted arc if above 1.00): 0,05
Seaboat
quality (Average = 1.00): 1,30
Hull form characteristics:
Hull
has a flush deck,
a normal bow and a round stern
Block
coefficient (normal/deep): 0,430 / 0,448
Length
to Beam Ratio: 11,46 : 1
'Natural
speed' for length: 19,00 kts
Power
going to wave formation at top speed: 41 %
Trim
(Max stability = 0, Max steadiness = 100): 55
Bow
angle (Positive = bow angles forward): 9,00 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%, 13,12 ft /
4,00 m, 10,50 ft / 3,20 m
- Forward deck: 25,00%, 10,50 ft / 3,20
m, 10,50 ft / 3,20 m
- Aft deck: 35,00%, 10,50 ft / 3,20 m, 10,50 ft / 3,20 m
- Quarter deck: 15,00%, 10,50 ft /
3,20 m, 3,94 ft / 1,20 m
- Average freeboard: 10,27 ft / 3,13 m
Ship
tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low =
better): 66,9%
-
Above water (accommodation/working, high = better): 54,0%
Waterplane
Area: 7 138 Square feet or 663 Square metres
Displacement
factor (Displacement / loading): 241%
Structure
weight / hull surface area: 95 lbs/sq ft or 465 Kg/sq metre
Hull
strength (Relative):
-
Cross-sectional: 1,74
-
Longitudinal: 2,99
-
Overall: 1,84
Excellent
machinery, storage, compartmentation space
Cramped
accommodation and workspace room
Ship
has slow, easy roll, a good, steady gun platform
Good
seaboat, rides out heavy weather easily
Operational diving deepth 84 m
Emergency diving deepth 134 m
Crush deepth 210 m
Rekin (1926)