WesWorld

A small utility ship, modeled on the OTL German Kriegstransporter; to supplement existing logistics capabilities.

Santillana, Peruvian Coastal Transport laid down 1945

Displacement: 1,189 t light; 1,220 t standard; 1,563 t normal; 1,837 t full load

Dimensions: Length overall / water x beam x draught

215.04 ft / 209.97 ft x 36.09 ft x 13.12 ft (normal load) [65.54 m / 64.00 m x 11.00 m x 4.00 m]

Armament:

4 - 0.79" / 20.0 mm guns (2x2 guns), 0.24lbs / 0.11kg shells, 1945 Model Anti-aircraft guns in deck mounts on side, all aft
Weight of broadside 1 lbs / 0 kg
Shells per gun, main battery: 1,000

Armour:

Conning tower: 0.98" / 25 mm

Machinery:

Diesel Internal combustion motors, Geared drive, 2 shafts, 1,858 shp / 1,386 Kw = 14.50 kts
Range 15,000nm at 12.00 kts
Bunker at max displacement = 616 tons

Complement: 123 - 161

Cost: £0.334 million / $1.334 million

Distribution of weights at normal displacement:

Armament: 0 tons, 0.0 %
Armour: 3 tons, 0.2 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 0 tons, 0.0 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 3 tons, 0.2 %
Machinery: 47 tons, 3.0 %
Hull, fittings & equipment: 839 tons, 53.7 %
Fuel, ammunition & stores: 374 tons, 23.9 %
Miscellaneous weights: 300 tons, 19.2 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 5,511 lbs / 2,500 Kg = 22,576.7 x 0.8 " / 20 mm shells or 2.8 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 1.3 ft / 0.4 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:

Hull has rise forward of midbreak, raised quarterdeck
Block coefficient: 0.550
Length to Beam Ratio: 5.82: 1
'Natural speed' for length: 14.49 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 15.58 ft / 4.75 m
- Forecastle (15 %): 13.94 ft / 4.25 m
- Mid (50 %): 13.94 ft / 4.25 m (9.84 ft / 3.00 m aft of break)
- Quarterdeck (20 %): 13.94 ft / 4.25 m (9.84 ft / 3.00 m before break)
- Stern: 13.94 ft / 4.25 m
- Average freeboard: 12.81 ft / 3.91 m
Ship tends to be wet forward

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 32.2 %
- Above water (accommodation/working, high = better): 98.7 %
Waterplane Area: 5,288 Square feet or 491 Square metres
Displacement factor (Displacement / loading): 393 %
Structure weight / hull surface area: 95 lbs/sq ft or 462 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.86
- Longitudinal: 7.41
- Overall: 2.13
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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Low-stowed cargo simmed as additional bunkers - true radius 2,500 nm on bunkers of 64 tons (BAM 114)

Breakdown of miscellaneous weight:

Provision for cargo handling gear (two derricks): 30 tons
Provision of quarters for 50 troops over short distances: 100 tons
Provision for deck cargo: 170 tons

Low stowed cargo - 450 tons including deep tanks for 2 x 50 tons liquid cargo