WesWorld

Modified to reflect new ship names (for DD SS and PB types) and the revised infrastructure rules.

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Marina de Filipina
1924 First Quarter Report
1 January 1924-31 March 1924

A. Factories

4/11 factories produced 4,000t of material + 2,712t stockpiled = 6,712t available
5,962t are used, leaving a stockpile of 750t.

7/11 factories (committed) produced 0.7 infrastructure pts +
0/11 factories (flexible) produced 0.0 infrastructure pts = 0.7 pts available
0.7 pts are used, leaving a stockpile of 0.0 pts.

B. Infrastructure Development

Continued upgrade of Type 1 slip at Manila to Type 3
0.5 points alotted = 1 total/2 needed = 1 needed to complete

Continued upgrade of Type 0 drydock at San Fernando to Type 1
0.2 points alotted = 0.4 total/1 needed = 0.6 needed to complete

C. Naval Development and Construction

at Manila:
S3: CB Basilan receives 2059t, balance 10212t, completes 2 Sep 25
S1: *being upgraded to Type 3*
S1: DD Pelícano receives 500t, balance 761t, completes 16 Oct
D2: DD D-4 completed scrapping 5 Feb; recovered 48 t this quarter
D1: DD D-3 begins scrapping 15 Mar, recovered 60t, 104t remaining, finishes 30 Jun
Wooden ships: Minesweeper MSC-4 laid down 19 Jan; receives 191t, completed 21 Feb
Dockside: CL Leyte receives 320t, completed 7 Feb
Dockside: CL Panay receives 320t, completed 28 Feb

at Butuan:
S1: idle
S0: Torpedo boat T-3 receives 176t, completed 28 Mar {turnaround ends 4 Apr}
S0: Patrol boat Abejorro receives 300t, balance 315t, completes 12 Oct
S0: Torpedo boat T-1 receives 138t, completed 17 Feb
S0: Torpedo boat T-2 receives 159t, completed 8 Mar
D3: idle
Dockside: CL Mindanao receives 320t, completed 12 Mar
Dockside: DD Alcatraz launched 2 Mar; receives 420t, balance 721t, completes 31 Aug

at San Fernando:
S2: DD Águila laid down 21 Feb; receives 185t, balance 1226t, completes 6 Nov
-Uses guns from scrapped D-4-
D0: *being upgraded to Type 1*
D0: idle
Wooden ships: Minelayer ML-1 laid down 24 Feb, receives 191t, completed 25 Mar
Dockside: DD Rabihorcado receives 391t; completed 13 March

at Puerto Princesa:
S0: SS Tiburón laid down 14 Jan; receives 215t, balance 477t, completes 8 Nov
Wooden ship: Minesweeper MSC-3 receives 77t, completed 12 Jan

D. Transactions

CL Cíudad Rodrigo and DDs Indomito, Impavido, Insidioso and Irrequieto acquired from Italy;
delivered 20 Jan (payment begins in Q2)

E. Other Notes

Ships decommissioned this quarter:
DDs D-3 and D-6

2 x 4" guns recovered from scrapping will become available in Q2
164 tons of material recovered from scrapping will become available in Q4
60 tons of material recovered from scrapping will become available in Q1/25

Shakedown cruises:
MS MSC-2 until 2 January
MS MSC-3 until 12 February
MS MSC-4 until 3 April
ML ML-1 until 25 April
TB T-1 until 17 May
TB T-2 until 8 June
TB T-3 until 28 June
CL Leyte until 7 July
CL Panay until 28 July
CL Mindanao until 12 August
DD Rabihorcado until 13 August

F. Updated Order of Battle, 31 March 1924

Note: Y)+Z = completed (under repair/refit) + under construction

Battlecruisers 0(0)+1
Pre-Dreadnoughts 2(0)+0
Heavy Cruisers 2(0)+0
Light Cruisers 5(0)+0
Destroyers 10(0)+3
Submarines 0(0)+1
Torpedo boats 13(0)+0
Patrol boats 0(0)+1
Coastal minesweepers 4(0)+0
Minelayers 1(0)+0

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PRS S-1, Filipino submarine, laid down 1924

Length, 225 ft x Beam, 20.0 ft x Depth, 12.5 ft
804 tons normal displacement (711 tons standard)

Main battery: 1 x 3.94-inch / 100mm
Light battery: 1 x 0.30-inch / 7.62mm

Weight of broadside: 30 lbs

6 TT, 21.0" (four bow, two stern)

Operational diving depth: 187 feet
Emergency diving depth: 299 feet
Crush depth: 467 feet

Maximum speed for 1318 shp = 15.00 knots
Approximate cruising radius, 7500 nm / 10 kts

Typical complement: 38


Estimated cost, $413,000 (£103,000)

Remarks:

Magazines and engineering spaces are cramped, with poor
watertight subdivision.


Distribution of weights:
Percent
normal
displacement:

Armament ......................... 4 tons = 0 pct
Machinery ........................ 43 tons = 5 pct
Hull and fittings; equipment ..... 455 tons = 57 pct
Fuel, ammunition, stores ......... 112 tons = 14 pct
Miscellaneous weights ............ 190 tons = 24 pct
-----
804 tons = 100 pct

Estimated metacentric height, 0.5 ft

Displacement summary:

Light ship: 692 tons
Standard displacement: 711 tons
Normal service: 804 tons
Full load: 875 tons

Loading submergence 81 tons/foot

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Estimated overall survivability and seakeeping ability:

Relative margin of stability: 1.01

Shellfire needed to sink: 300 lbs = 10.1 x 3.9-inch shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 0.1
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 1 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.00

Relative quality as a seaboat: 0.00

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Hull form characteristics:

Block coefficient: 0.50
Sharpness coefficient: 0.32
Hull speed coefficient 'M' = 7.39
'Natural speed' for length = 15.0 knots
Power going to wave formation
at top speed: 38 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 116 percent

Relative accommodation and working space: 1 percent


Displacement factor: 262 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 3.69
(Structure weight per square
foot of hull surface: 103 lbs)

Relative longitudinal hull strength: 1.50
(for 0.1 ft average freeboard;
freeboard adjustment -9.0 ft)

Relative composite hull strength: 1.87

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[Machine-readable parameters: Spring Style v. 1.2.1]

225.00 x 20.00 x 12.50; 0.10 -- Dimensions
0.50 -- Block coefficient
1924 -- Year laid down
15.00 / 7500 / 10.00; Oil-fired turbine or equivalent -- Speed / radius / cruise
190 tons -- Miscellaneous weights
++++++++++
1 x 3.90; 0 -- Main battery; turrets
Central positioning of guns
:
0 -- No secondary battery
0 -- No tertiary (QF/AA) battery
1 x 0.30 -- Fourth (light) battery
6 / 6 / 21.00 -- TT / submerged / size
++++++++++
0.00 -- No belt armor
0.00 / 0.00 -- Deck / CT
0.00 -- No battery armor


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