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Quoted
This post has been edited 1 times, last edit by "Sachmle" (Sep 12th 2013, 6:23am)
Quoted
Geoje - Class, Chosen Frigate / Corvette laid down 1942
Displacement:
644 t light; 677 t standard; 851 t normal; 990 t full load
Dimensions: Length overall / water x beam x draught
219,46 ft / 213,25 ft x 33,79 ft x 9,19 ft (normal load)
66,89 m / 65,00 m x 10,30 m x 2,80 m
Armament:
4 - 3,94" / 100 mm guns (2x2 guns), 30,51lbs / 13,84kg shells, 1942 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread, all raised mounts
2 - 0,50" / 12,7 mm guns in single mounts, 0,06lbs / 0,03kg shells, 1942 Model
Machine guns in deck mounts
on side, all amidships
20 - 0,79" / 20,0 mm guns (5x4 guns), 0,24lbs / 0,11kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 127 lbs / 58 kg
Shells per gun, main battery: 220
4 - 21,0" / 533 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2,76" / 70 mm 1,38" / 35 mm -
2nd: 1,38" / 35 mm 0,59" / 15 mm -
3rd: 0,79" / 20 mm 0,20" / 5 mm -
- Armour deck: 0,59" / 15 mm, Conning tower: 1,57" / 40 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 5.387 shp / 4.019 Kw = 21,00 kts
Range 5.000nm at 16,00 kts
Bunker at max displacement = 313 tons
Complement:
78 - 102
Cost:
£0,354 million / $1,415 million
Distribution of weights at normal displacement:
Armament: 16 tons, 1,9%
Armour: 72 tons, 8,4%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 21 tons, 2,4%
- Armour Deck: 48 tons, 5,6%
- Conning Tower: 3 tons, 0,4%
Machinery: 141 tons, 16,5%
Hull, fittings & equipment: 365 tons, 42,9%
Fuel, ammunition & stores: 207 tons, 24,4%
Miscellaneous weights: 50 tons, 5,9%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.649 lbs / 748 Kg = 54,1 x 3,9 " / 100 mm shells or 0,9 torpedoes
Stability (Unstable if below 1.00): 1,29
Metacentric height 1,5 ft / 0,5 m
Roll period: 11,4 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,12
Seaboat quality (Average = 1.00): 1,02
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,450
Length to Beam Ratio: 6,31 : 1
'Natural speed' for length: 14,60 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,06 ft / 5,20 m
- Forecastle (20%): 10,83 ft / 3,30 m
- Mid (50%): 10,83 ft / 3,30 m
- Quarterdeck (15%): 10,83 ft / 3,30 m
- Stern: 10,83 ft / 3,30 m
- Average freeboard: 11,33 ft / 3,45 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 75,9%
- Above water (accommodation/working, high = better): 71,6%
Waterplane Area: 4.380 Square feet or 407 Square metres
Displacement factor (Displacement / loading): 161%
Structure weight / hull surface area: 52 lbs/sq ft or 253 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,01
- Longitudinal: 3,33
- Overall: 1,14
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Quoted
Originally posted by BruceDuncan
As has been noted, the main battery should be AA or DP. Realistically it is also far too heavy for such a small warship.
Quoted
Originally posted by BruceDuncan
I question the usefulness of torpedo tubes on such a small vessel, unless its intent is to hunt surface vessels rather than submarines - and even then, they would of doubtful utility.
Quoted
Originally posted by BruceDuncan
I doubt that there is sufficient deck space for two quad 20mm mounts on either beam abaft the bridge. The Springsharp notes them as raised mounts - it does not look that way on the drawing - they appear to be at deck level.
Quoted
Geoje - Class, Chosen Frigate / Corvette laid down 1943
Displacement:
652 t light; 677 t standard; 851 t normal; 990 t full load
Dimensions: Length overall / water x beam x draught
219,46 ft / 213,25 ft x 33,79 ft x 9,19 ft (normal load)
66,89 m / 65,00 m x 10,30 m x 2,80 m
Armament:
4 - 2,99" / 76,0 mm guns (2x2 guns), 13,39lbs / 6,08kg shells, 1942 Model
Dual purpose guns in deck mounts
on centreline ends, evenly spread, all raised mounts
2 - 0,50" / 12,7 mm guns in single mounts, 0,06lbs / 0,03kg shells, 1942 Model
Machine guns in deck mounts
on side, all amidships
20 - 0,79" / 20,0 mm guns (5x4 guns), 0,24lbs / 0,11kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 1 raised mount
Weight of broadside 58 lbs / 27 kg
Shells per gun, main battery: 220
4 - 21,0" / 533 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2,76" / 70 mm 1,38" / 35 mm -
2nd: 1,38" / 35 mm 0,59" / 15 mm -
3rd: 0,79" / 20 mm 0,20" / 5 mm -
- Armour deck: 0,79" / 20 mm, Conning tower: 1,57" / 40 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 1 shaft, 5.387 shp / 4.019 Kw = 21,00 kts
Range 5.000nm at 16,00 kts
Bunker at max displacement = 313 tons
Complement:
78 - 102
Cost:
£0,310 million / $1,239 million
Distribution of weights at normal displacement:
Armament: 7 tons, 0,9%
Armour: 82 tons, 9,7%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 16 tons, 1,8%
- Armour Deck: 64 tons, 7,5%
- Conning Tower: 3 tons, 0,4%
Machinery: 141 tons, 16,5%
Hull, fittings & equipment: 347 tons, 40,7%
Fuel, ammunition & stores: 199 tons, 23,4%
Miscellaneous weights: 75 tons, 8,8%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1.743 lbs / 791 Kg = 130,1 x 3,0 " / 76 mm shells or 0,9 torpedoes
Stability (Unstable if below 1.00): 1,26
Metacentric height 1,5 ft / 0,5 m
Roll period: 11,6 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0,06
Seaboat quality (Average = 1.00): 1,02
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,450
Length to Beam Ratio: 6,31 : 1
'Natural speed' for length: 14,60 kts
Power going to wave formation at top speed: 63 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,06 ft / 5,20 m
- Forecastle (20%): 10,83 ft / 3,30 m
- Mid (50%): 10,83 ft / 3,30 m
- Quarterdeck (15%): 10,83 ft / 3,30 m
- Stern: 10,83 ft / 3,30 m
- Average freeboard: 11,33 ft / 3,45 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 71,1%
- Above water (accommodation/working, high = better): 71,6%
Waterplane Area: 4.380 Square feet or 407 Square metres
Displacement factor (Displacement / loading): 171%
Structure weight / hull surface area: 49 lbs/sq ft or 240 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,01
- Longitudinal: 3,19
- Overall: 1,13
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Quoted
I doubt that there is sufficient deck space for two quad 20mm mounts on either beam abaft the bridge.
Quoted
Deck armor seems to be a waste of tonnage, particularly as 15mm is barely acceptable for splinter protection; it will offer little protection from shell fire and air attack.
This post has been edited 1 times, last edit by "Rooijen10" (Sep 12th 2013, 2:42pm)
This post has been edited 2 times, last edit by "Daidalos" (Sep 12th 2013, 4:58pm)
Quoted
Originally posted by BruceDuncan
Superior speed?
21 knots makes this vessel dead meat for anything larger it might encounter. Such a speed is barely enough to hunt submarines, and is totally inadequate for a vessel intended to hunt MTBs. A destroyer would make mincemeat of this vessel, and would quickly run it down.
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