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Quoted
T-13, German Torpedo boat laid down 1937
Displacement: 1,083 t light; 1,138 t standard; 1,238 t normal; 1,318 t full load
Dimensions: Length overall / water x beam x draught
323.74 ft / 311.68 ft x 29.53 ft x 11.48 ft (normal load) [98.68 m / 95.00 m x 9.00 m x 3.50 m]
Armament:
6 - 4.13" / 105 mm guns (3x2 guns), 35.32lbs / 16.02kg shells, 1928 Model Dual purpose guns in deck mounts on centreline ends, majority forward, 1 raised mount - superfiring
2 - 1.46" / 37.0 mm guns (1x2 guns), 1.55lbs / 0.70kg shells, 1929 Model Anti-aircraft guns in deck mount on centreline aft, all raised guns - superfiring
16 - 0.79" / 20.0 mm guns (4x4 guns), 0.24lbs / 0.11kg shells, 1936 Model Anti-aircraft guns in deck mounts on side ends, evenly spread, 2 raised mounts - superfiring
Weight of broadside 219 lbs / 99 kg
Shells per gun, main battery: 240
6 - 21.0" / 533 mm above water torpedoes
Armour:
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.39" / 10 mm - -
Machinery:
Oil fired boilers, steam turbines, Geared drive, 2 shafts, 31,862 shp / 23,769 Kw = 34.00 kts
Range 3,000nm at 15.00 kts
Bunker at max displacement = 180 tons
Complement: 103 - 135
Cost: £0.797 million / $3.186 million
Distribution of weights at normal displacement:
Armament: 27 tons, 2.2 %
Armour: 17 tons, 1.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 17 tons, 1.3 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 608 tons, 49.1 %
Hull, fittings & equipment: 401 tons, 32.4 %
Fuel, ammunition & stores: 155 tons, 12.5 %
Miscellaneous weights: 30 tons, 2.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 387 lbs / 176 Kg = 11.0 x 4.1 " / 105 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.35
Metacentric height 1.4 ft / 0.4 m
Roll period: 10.6 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.29
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has rise forward of midbreak and transom stern
Block coefficient: 0.410
Length to Beam Ratio: 10.56: 1
'Natural speed' for length: 20.30 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 1.64 ft / 0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (20 %): 18.04 ft / 5.50 m
- Mid (45 %): 18.04 ft / 5.50 m (11.48 ft / 3.50 m aft of break)
- Quarterdeck (15 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 14.44 ft / 4.40 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.2 %
- Above water (accommodation/working, high = better): 84.5 %
Waterplane Area: 5,916 Square feet or 550 Square metres
Displacement factor (Displacement / loading): 61 %
Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 2.98
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
5 tons reserved for depth charges and rails
25 tons reserved for mines and growth
As Romania, I both bought second hand and built new, my own strategy was primarily to build anything cruiser sized or smaller, and either have built, buy necessary parts, or buy complete ships second hand anything larger. My thoughts on this are, that Romania can likely handle building the smaller ships, but larger ones are more problematic. Also when buying larger ships, I lucked out in that most of the ships I have purchased used for the most part guns already in use in the Romanian Navy. My own thought is that while second hand ships are attractive if one needs to "bulk up" numbers, Own Designs are newer, and considering the stress placed on smaller ships better IMHO.
For an answer to that, you have to look at what Romania is building towards, which is two distinct fleets;
Fleet 1, is primarily built for use in the Black Sea, built around the Regeles, the Arges, and the Wallachia's with destroyer, submarine, land based air, and minesweeper support.
Fleet 2 is primarily built for use in the Mediterranean, built around Trajan, Tapae, the Zalmoxies, the Dacia's with destroyer support along with auxiliaries.
Obviously, there are some pieces missing, which are to be built once the Zalmoxies cruisers complete. The end result will (hopefully) give Romania a significant squadron for use outside the Black Sea, while not depriving it of its Black Sea responsibilities.
Now, I could have purchased the sister to the Trajan, however when Tapae was laid down her fate in the Italian Navy was not settled, so I went with the Tapae option.
I ask myself three questions when I look at forming strategy (some of course may ask more).
1) What is my area of operations, and what are my interests in said area?
2) What are my resources, existing tonnage, tonnage production, and non-naval assets?
3) How can best I mesh question 1) and question 2) with the best bang for my buck?
Nice work on the Van Kinsbergen. Simming a real ship is always a challenge.
Looking her up in Conway's gives her 16,000shp for 25.5kts, 128 tons of oil (no range given). The armour seems to have been a deck 12-25mm thick. Conway's gives slightly different dimensions and tonnage; 99.98m pp, 103.18m oa x 11.58 x 3.12m, 1760 tons standard and circa 2350 tons full load. By 1946 this had increased to 2095 tons and 2703 tons respectively with wartime additions. I'm guessing she didn't have a transom stern being a sloop and photos seem to indicate that too.
Quoted
Van Kinsbergen, Netherlands Sloop/Training Ship laid down 1939
Displacement: 1,684 t light; 1,760 t standard; 1,887 t normal; 1,989 t full load
Dimensions: Length overall / water x beam x draught
338.51 ft / 328.02 ft x 37.99 ft x 10.24 ft (normal load) [103.18 m / 99.98 m x 11.58 m x 3.12 m]
Armament:
4 - 4.72" / 120 mm guns in single mounts, 52.72lbs / 23.91kg shells, 1939 Model Dual purpose guns in deck mounts with hoists on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 1.57" / 40.0 mm guns (2x2 guns), 1.95lbs / 0.88kg shells, 1939 Model Anti-aircraft guns in deck mounts on centreline ends, evenly spread, all raised mounts
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1939 Model Anti-aircraft guns in deck mounts on side, evenly spread, all raised mounts
Weight of broadside 221 lbs / 100 kg
Shells per gun, main battery: 300
Armour:
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.59" / 15 mm 0.98" / 25 mm
2nd: 0.59" / 15 mm 0.59" / 15 mm -
3rd: 0.39" / 10 mm - -
Armour deck: 0.98" / 25 mm, Conning tower: 1.97" / 50 mm
Machinery:
Oil fired boilers, steam turbines, Geared drive, 2 shafts, 15,948 shp / 11,897 Kw = 25.50 kts
Range 4,500nm at 12.20 kts
Bunker at max displacement = 229 tons
Complement: 143 - 186
Cost: £0.829 million / $3.317 million
Distribution of weights at normal displacement:
Armament: 28 tons, 1.5 %
Armour: 174 tons, 9.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 14 tons, 0.7 %
- Armour Deck: 154 tons, 8.1 %
- Conning Tower: 6 tons, 0.3 %
Machinery: 432 tons, 22.9 %
Hull, fittings & equipment: 951 tons, 50.4 %
Fuel, ammunition & stores: 203 tons, 10.8 %
Miscellaneous weights: 100 tons, 5.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 3,118 lbs / 1,414 Kg = 59.1 x 4.7 " / 120 mm shells or 0.9 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 1.4 ft / 0.4 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 64 %
- Recoil effect (Restricted arc if above 1.00): 0.35
Seaboat quality (Average = 1.00): 1.16
Hull form characteristics:
Hull has low quarterdeck
Block coefficient: 0.518
Length to Beam Ratio: 8.63 : 1
'Natural speed' for length: 18.11 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 55
Bow angle (Positive = bow angles forward): 19.50 degrees
Stern overhang: 4.10 ft / 1.25 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 18.04 ft / 5.50 m
- Forecastle (20 %): 16.40 ft / 5.00 m
- Mid (50 %): 14.76 ft / 4.50 m
- Quarterdeck (10 %): 6.56 ft / 2.00 m (14.76 ft / 4.50 m before break)
- Stern: 6.56 ft / 2.00 m
- Average freeboard: 14.65 ft / 4.47 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 92.8 %
- Above water (accommodation/working, high = better): 169.9 %
Waterplane Area: 8,439 Square feet or 784 Square metres
Displacement factor (Displacement / loading): 139 %
Structure weight / hull surface area: 67 lbs/sq ft or 328 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.05
- Longitudinal: 2.80
- Overall: 1.15
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
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