General Ignacio Zaragosa
2 more ex-Filipino ships
General Ignacio Zaragoza class, Mexico Fast Transport laid down 1936
Displacement:
2,440 t light; 2,549 t standard; 2,989 t normal; 3,341 t full load
Dimensions: Length overall / water x beam x draught
450.00 ft / 450.00 ft x 42.00 ft x 13.50 ft (normal load)
137.16 m / 137.16 m x 12.80 m x 4.11 m
Armament:
6 - 5.00" / 127 mm guns (3x2 guns), 62.50lbs / 28.35kg shells, 1936 Model
Breech loading guns in deck mounts
on centreline ends, majority forward, 2 raised mounts - superfiring
12 - 1.85" / 47.0 mm guns (6x2 guns), 3.17lbs / 1.44kg shells, 1936 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
4 - 0.50" / 12.7 mm guns in single mounts, 0.06lbs / 0.03kg shells, 1936 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 413 lbs / 187 kg
Shells per gun, main battery: 205
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Ends: Unarmoured
Upper: 1.00" / 25 mm 90.00 ft / 27.43 m 9.00 ft / 2.74 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm 0.50" / 13 mm -
2nd: 0.50" / 13 mm - -
- Conning tower: 1.00" / 25 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 37,295 shp / 27,822 Kw = 31.00 kts
Range 7,500nm at 15.00 kts
Bunker at max displacement = 791 tons
Complement:
201 - 262
Cost:
£1.452 million / $5.806 million
Distribution of weights at normal displacement:
Armament: 52 tons, 1.7 %
Armour: 66 tons, 2.2 %
- Belts: 43 tons, 1.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 18 tons, 0.6 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 4 tons, 0.1 %
Machinery: 1,046 tons, 35.0 %
Hull, fittings & equipment: 906 tons, 30.3 %
Fuel, ammunition & stores: 549 tons, 18.4 %
Miscellaneous weights: 370 tons, 12.4 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,528 lbs / 693 Kg = 24.4 x 5.0 " / 127 mm shells or 0.6 torpedoes
Stability (Unstable if below 1.00): 1.23
Metacentric height 2.0 ft / 0.6 m
Roll period: 12.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.20
Seaboat quality (Average = 1.00): 1.25
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.410
Length to Beam Ratio: 10.71 : 1
'Natural speed' for length: 21.21 kts
Power going to wave formation at top speed: 56 %
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: 21.00 ft / 6.40 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (45 %): 20.00 ft / 6.10 m (11.00 ft / 3.35 m aft of break)
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 15.13 ft / 4.61 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 140.6 %
- Above water (accommodation/working, high = better): 84.0 %
Waterplane Area: 11,705 Square feet or 1,087 Square metres
Displacement factor (Displacement / loading): 102 %
Structure weight / hull surface area: 46 lbs/sq ft or 223 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.66
- Longitudinal: 1.12
- Overall: 0.70
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
Misc weight:
100 t: 2 sets davits
40 t: 2 large cranes (10 t capacity each)
30 t: minelaying equipment (rails, cranes)
200 t: 2 LCI and 100 t cargo or 200 t of cargo or 200 mines
***
Agbayani, Filipino Fast Transport/ML laid down 1934
The torpedoes are just there to illustrate the deck space occupied by the landing craft and minehandling gear/cargo area. There are no actual torpedoes involved. I should be able to haul around 300 troops for short jaunts.
Displacement: 2,753 t light; 2,853 t standard; 3,239 t normal; 3,548 t full load
Dimensions: Length overall / water x beam x draught
471.91 ft / 459.32 ft x 42.65 ft x 13.78 ft (normal load) [143.84 m / 140.00 m x 13.00 m x 4.20 m]
Armament:
6 - 4.53" / 115 mm guns (3x2 guns), 48.50lbs / 22.00kg shells, 1934 Model Dual purpose guns in deck mounts with hoists on centreline ends, majority forward, 2 raised mounts - superfiring
12 - 1.38" / 35.0 mm guns (6x2 guns), 1.32lbs / 0.60kg shells, 1934 Model Anti-aircraft guns in deck mounts on side, evenly spread, 2 raised mounts
8 - 0.54" / 13.7 mm guns (2x4 guns), 0.11lbs / 0.05kg shells, 1934 Model Machine guns in deck mounts on side, evenly spread, all raised mounts
Weight of broadside 308 lbs / 140 kg
Shells per gun, main battery: 200
10 - 24.0" / 610 mm above water torpedoes
Misc. Weight:
-100 t: 2 sets davits
-40 t: 2 large cranes (10 t capacity each)
-40 t: minelaying equipment (rails, cranes)
-200 t: 2 LCI and 100 t cargo or 200 t of cargo or 200 mines
Armour:
Belts: Width (max) Length (avg) Height (avg)
Ends: Unarmoured
Upper: 1.18" / 30 mm 65.62 ft / 20.00 m 8.01 ft / 2.44 m
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.59" / 15 mm -
2nd: 0.79" / 20 mm - -
3rd: 0.59" / 15 mm - -
Machinery:
Oil fired boilers, steam turbines, Geared drive, 2 shafts, 50,000 shp / 37,300 Kw = 32.93 kts
Range 10,000nm at 12.00 kts
Bunker at max displacement = 695 tons
Complement: 214 - 279
Cost: £1.577 million / $6.308 million
Distribution of weights at normal displacement:
Armament: 37 tons, 1.1 %
Armour: 54 tons, 1.7 %
- Belts: 37 tons, 1.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 0.5 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,385 tons, 42.8 %
Hull, fittings & equipment: 897 tons, 27.7 %
Fuel, ammunition & stores: 487 tons, 15.0 %
Miscellaneous weights: 380 tons, 11.7 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 1,072 lbs / 486 Kg = 23.1 x 4.5 " / 115 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 1.9 ft / 0.6 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.29
Seaboat quality (Average = 1.00): 1.09
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.420
Length to Beam Ratio: 10.77 : 1
'Natural speed' for length: 21.43 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.82 ft / 6.65 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (46 %): 19.69 ft / 6.00 m (11.81 ft / 3.60 m aft of break)
- Quarterdeck (15 %): 11.81 ft / 3.60 m
- Stern: 11.81 ft / 3.60 m
- Average freeboard: 15.60 ft / 4.76 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 160.0 %
- Above water (accommodation/working, high = better): 87.8 %
Waterplane Area: 12,213 Square feet or 1,135 Square metres
Displacement factor (Displacement / loading): 90 %
Structure weight / hull surface area: 43 lbs/sq ft or 209 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.57
- Longitudinal: 1.00
- Overall: 0.60
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Agbayani, Laid down 1934, completed 1935
Agpalo, Laid down 1934, completed 1935