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2017-11-20

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MARTIN  P5M-2B  Marlin

 
     
  The story which didn't happen ... outside Atlantic Air Combat  
     
     
  See also : AAC Data Sheet
 P5M2B Marlin (not ready)
Articles :
 
 
Similar Aircrafts
 PBM5A Mariner
 
 
     
-   -

INTRODUCTION

The P5M Marlin was a patrol-bomber and ASW flying boat which entered service with the US Navy after the war.  The P5M1 was developped into a final, more powerful, P5M2 variant.  Besides the US Navy, it was only used by the French Navy from their Dakar Naval Air BAse  (see: PBM Seaplane) : 

Country = = QTY Aircraft Name 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967

USN: VP30 NA ASW 160 P5M1 Marlin 1952 1964 >> >> >> >> >> >> >> >> 1964      
USN: VP45 NA ASW 115 P5M2 Marlin 1954 1967 >> >> >> >> >> >> >> >> >> >> >> 1967

27F:Dakar NA ASW 10 P5M2 Marlin 1960 1964 >> >> >> >> >> >> >> >> 1964      

THE P5M MARLIN IN ATLANTIC AIR COMBAT

Availability

This flying boat will be available whith its historic operators, artificially lengthening it presence with the Fench Navy.

Country = = QTY Aircraft Name 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967
USN: VP45 NA ASW 115 P5M2 Marlin 1954 1967 >> >> >> >> >> >> >> >> >> >> >> 1967

27F:Dakar NA ASW 10 P5M2 Marlin 1960 1964 >> >> >> >> >> >> >> >> 1964

Variants

There will only be one variant : a fictional P5M2B differering from the historical aircraft in having a much higher bomb load and being "retrofitted" with a tail gun.

General Specifications

Thus both the PBM5A and fictional PBM5B are amphibian aircrafts.   The details of the AAC aircrafts are shown against historical variants and its sibling, the P5M Marlin.  Radar and engine specs to be defined later as "standard" AAC equipment items.

PBM Variants PBM-3C PBM3S PB3D PBM5 PBM5S PBM5S2 PBM5A PBM5B XP5M1 P5M1 P5M2 P5M2B
Role Patrol ASW Patrol Patrol ASW ASW ASW Airline ASW ASW ASW ASW
Length 80'00" 80'00" 80'00" 80'00" 80'00" 80'00" 79'10" 79'10" 101'01" 101'01" 101'01" 101'01"
Wingspan 118'00" 118'00" 118'00" 118'00" 118'00" 118'00" 118'00" 118'00" 118'02" 118'02" 118'02" 118'02"
Height 27'06" 27'06" 27'06" 27'06" 27'06" 27'06" 27'06" 27'06" 30'11" 30'11" 30'11" 30'11"
Crew 9 9 9 9 9 9 9 9 8 8 8 8
Passengers - - - - - - - 50 - - - -
Radar ASV15 ASV15 APS15 APS15 APS15 APS31 APS31 APS31 APS44 APS44 APS80 APS80
Engine: 2 R2600-12 R2600-12 R2600-22 R2800-34 R2800-34 R2800-34 R2800-34 R2800-34 R3350-26 R3350-30 R3350-32 R3350-32
Engine: power 1700.hp 1700.hp 1900.hp 2100.hp 2100.hp 2100.hp 2100.hp 2100.hp 2800.hp 3250.hp 3400.hp 3450.hp
Engine: SFC 0.39 0.39 0.39 0.34 0.34 0.34 0.34 0.34 0.35 0.35 0.35 0.35
Weight: empty 32330.lb 32330.lb 32330.lb 34000.lb 34000.lb 34000.lb 34000.lb 34000.lb 39075.lb 48383.lb 48383.lb 48383.lb
Weight: MTO 56000.lb 56000.lb 56000.lb 60000.lb 60000.lb 60000.lb 60000.lb 60.000.lb 60000.lb 85000.lb 85000.lb 85000.lb
Fuel (AAC)(OK) - - - - 2253.gal 2253.gal 2253.gal 2253.gal 2342.gal 2342.gal 2342.gal 2342.gal
Range 1850.Nm 2600.Nm 1950.Nm 2350.Nm 2350.Nm 2350.Nm 2362.Nm 2362.Nm 2070.Nm 2070.Nm 2070.Nm 2070.Nm
Fuel : Extra (÷2) 656.gal 656.gal 656.gal 656.gal 656.gal 656.gal 656.gal 656.gal 958.gal 958.gal 958.gal 958.gal
Speed : max 170 kn 170 kn 170 kn 170 kn 170 kn 170 kn 170 kn 170 kn 220.Kn 240.kn 240.Kn 240.kn
Speed : cruise 130.kn 130.kn 130.kn 130.kn 130.kn 130.kn 130.kn 130.kn 140.kn 151.kn 151.kn 151.kn
Ceiling : 17000.ft 17000.ft 17000.ft 20000.lt 20000.ft 20000.ft 20000.ft 20000.ft 21000.ft 21000.ft 21000.ft 21000.ft
Climb : ft/min 800 800 800 800 800 800 800 800 1200 1580 1580 1580
Guns: nose 2×.50cal 1×.50cal 2×.50cal 2×.50cal 2×.50cal 2×.50cal 2×.50cal - 2×20mm - - -
Guns: dorsal 2×.50cal - 2×.50cal 2×.50cal 2×.50cal 2×.50cal 2×.50cal - 2×20mm - - -
Guns: waist/Pt 1×.50cal 1×.50cal 1×.50cal 1×.50cal - - - - - - - -
Guns: waist/Sb 1×.50cal 1×.50cal 1×.50cal 1×.50cal - - - - - - - -
Guns: tail 1×.50cal 1×.50cal 2×.50cal 2×.50cal 2×.50cal 2×.50cal 2×.50cal - 2×20mm 2×20mm - 2×20mm
Playload 2000.lb 4000.lb 8000.lb 8000.lb 8000.lb 8000.lb 9120.lb 9120.lb 8000.lb 8000.lb 10000.lb 17120.lb

PBM-5S 2253 gal fuel capacity is based on BuAer drawings showing 2702 US gal (+   786 US gal in bomb bay cells).
P5M2    2342 gal fuel capacity is based on BuAer drawings showing 2809 US gal (+ 1160 US gal in bomb bay cells)
SFC is then based upon these factors.  Cruise power and fuel weight ratios are AAC's standard (see: Measurements)

PBM5   : 2100hp × 2 × 66% × 0.34lb/hp/hr × [2362Nm÷130Kn=18.1669 hr] = 17122 lb ÷7.6lb/gal = 2253 gal (revised)

P5M2   : 3400hp × 2 × 66% × 0.29lb/hp/hr × [2070Nm÷151Kn=13.6755 hr] = 17799 lb ÷7.6lb/gal = 2342 gal (revised)

Defensive Armament

The defensive armament of the AAC PBM5A remains consistent with historical background :

Variants PBM5A   PBM5B   P5M2B  
Genre Amphibian   Amphibian   Flying Boat  
Role ASW/SAR   Airline   ASW/SAR  
Gun turret: nose [500rpg] 2×.50cal 253.lb - - - -
Gun turret: top [500rpg] 2×.50cal 253.lb - - - -
Gun turret: tail [500rpg] 2×.50cal 253.lb - - [300rpg] 2×20mm 344.lb

Offensive Armament

The offensive armament will differ from reality, with more varied loadouts than it was in real life, but nevertheless within dimensional and weight constraints : 4000 lbs in each bomb bay, and 4000lbs under each wing.

Fuel and ammunition weight ratios are set arbitrarily (see: Measurements).

Variants PBM5A   PBM5B   P5M2B  
Genre Amphibian   Amphibian   Flying Boat  
Role ASW/SAR   Airline   ASW/SAR  
Crew (200 lb/@) 9 1800.lb 6 1200.lb 8 1600.lb
Passengers (260 lb/@) - - 50 13000.lb - -
Radar Search/L2 - Search/L2 - Search/L2 -
Engine: 2 R2800 - R2800 - R3350 -
Engine: SFC 0.37 - 0.37 - 0.35 -
Weight: empty (cheat value) 29149 lb (cheat value) 26628 lb (cheat value) 48137.lb
Fuel (AAC) 2253.gal 17122.lb 2253.gal 17122.lb 2342.gal 17799.lb
Gun turret: ammo/nose [500rpg] 2×.50cal 253.lb [no turret] (-841.lb) - -
Gun turret: ammo/top [500rpg] 2×.50cal 253.lb [no turret] (-840.lb) - -
Gun turret: ammo/tail [500rpg] 2×.50cal 253.lb [no turret] (-840.lb) [300rpg] 2×20mm 344.lb
Playload   9120.lb - (passengers)   17120.lb
MTOW (AAC) - 57950 lb - 57950 lb - 85000.lb
MTOW (historic) - 57950 lb - 57950 lb - 85000.lb
Internal Weapons 2 Bomb Bays Total Load Historic Historic 2 Bomb Bays Total Load
                 
Depth Charge Mk11 2×[4×] 320.lb 3840.lb   16×  320.lb 2×[6×] 320.lb 3840.lb
Depth Charge Mk47 2×[4×] 350.lb 2800.lb   8×  350.lb 16×  350.lb 2×[6×] 350.lb 4200.lb
Depth Charge Mk49 2×[4×] 650.lb 5200.lb   8×  650.lb   2×[4×] 650.lb 5200.lb
Depth Charge Mk90N  // // //   2×1250.lb 2×[1×] 1250.lb 2500.lb
Depth Charge Mk90A // // //   Fake 2×[1×] 4000.lb 8000.lb
Bombs: M118 2×[1×] 3000.lb 6000.lb   Fake Fake 2×[1×] 3000.lb 6000.lb
Bombs: M66 2×[2×] 2000.lb 8000.lb   4×2000.lb 4×2000.lb 2×[2×] 2000.lb 8000.lb
Bombs: M65 2×[4×] 1000.lb 8000.lb   8×1000.lb 8×1000.lb 2×[4×] 1000.lb 8000.lb
Bombs: M117 2×[2×] 750.lb 3000.lb     2×[4×] 750.lb 6000.lb
Bombs: M64 2×[6×] 500.lb 6000.lb   8×  500.lb 16×  500.lb 2×[9×] 500.lb 9000.lb
Bombs: M57 2×[6×] 250.lb 3000.lb     2×[9×] 250.lb 4500.lb
Bombs: M30 2×[12×] 100.lb 2400.lb 12×  100.lb   2×[16×] 100.lb 3200.lb
Bombs: BLU11B.Napalm 2×[2×] 500.lb 2000.lb     2×[2×] 500.lb 2000.lb
Bombs: BLU27B.Napalm 2×[2×] 750.lb 3000.lb     2×[2×] 750.lb 3000.lb
Bombs: BLU69B.FAE 2×[2×] 250.lb 1000.lb     2×[4×] 250.lb 2000.lb
Bombs: BLU72B.FAE 2×[2×] 500.lb 2000.lb     2×[4×] 500.lb 4000.lb
Mines : Mk56 2×[2×] 2000.lb 8000.lb   2×2000.lb 2×[2×] 2000.lb 8000.lb
Mines : Mk13 2×[2×] 1000.lb 4000.lb   4×1000.lb   2×[4×] 1000.lb 8000.lb
Torpedo:ASS/Mk13 //   //   4×2000.lb 2×[2×] 2000.lb 8000.lb
Torpedo:ASS/MkXIV //   //     2×[2×] 1400.lb 5600.lb
Torpedo:ASW/Mk30 2×[2×] 650.lb 2600.lb   Fake   2×[2×] 650.lb 2600.lb
Torpedo:ASW/Mk43 2×[2×] 370.lb 1480.lb   Fake   2×[4×] 370.lb 2960.lb
Torpedo:ASW/Mk44 2×[2×] 450.lb 1800.lb   Fake   2×[2×] 450.lb 1800.lb
Torpedo:ASW/Mk46 2×[2×] 500.lb 2000.lb   Fake   2×[2×] 500.lb 2000.lb
Liferaft 533mm 2×[4×] 100.lb 800.lb     2×[6×] 100.lb 1200.lb
External Weapons Wing Pylons 2×1 - Inner Historic Historic Wing Pylons 2× 4 - Outer
Depth Charge Mk11 2×[1×] 320.lb 640.lb   Fake   2×[4×] 320.lb 2560.lb
Depth Charge Mk47 2×[1×] 350.lb 700.lb   Fake   2×[4×] 350.lb 2800.lb
Depth Charge Mk49 2×[1×] 650.lb 1300.lb   Fake   2×[4×] 650.lb 5200.lb
Bombs: M66 2×[1×] 2000.lb 4000.lb   Fake   // // //
Bombs: M65 2×[1×] 1000.lb 2000.lb   Fake 8×1000.lb 2×[4×] 1000.lb 8000.lb
Bombs: M117 2×[1×] 750.lb 1500.lb   Fake   2×[4×] 750.lb 6000.lb
Bombs: M64 2×[1×] 500.lb 1000.Lb   Fake   2×[4×] 500.lb 4000.lb
Bombs: M57 2×[1×] 250.lb 500.lb   Fake   2×[4×] 250.lb 2000.lb
Bombs: M30 2×[1×] 100.lb 200.lb   Fake   2×[4×] 100.lb 800.lb
Bombs: BLU11B.Napalm 2×[1×] 500.lb 2000.lb   Fake   2×[4×] 500.lb 4000.lb
Bombs: BLU27B.Napalm 2×[1×] 750.lb 1500.lb   Fake   2×[4×] 750.lb 6000.lb
Bombs: BLU69B.FAE 2×[1×] 250.lb 500.lb   Fake   2×[4×] 250.lb 2000.lb
Bombs: BLU72B.FAE 2×[1×] 500.lb 1000.Lb   Fake   2×[4×] 500.lb 4000.lb
Mines : Mk56 2×[1×] 2000.lb 4000.lb   Fake   // // //
Mines : Mk13 2×[1×] 1000.lb 2000.lb   Fake 8×1000.lb 2×[4×] 1000.lb 8000.lb
Torpedo:ASS/Mk13 2×[1×] 2000.lb 4400.lb   2×2200.lb   // // //
Torpedo:ASS/MkXIV 2×[1×] 1400.lb 2800.lb   Fake   // // //
Torpedo:ASW/Mk30 2×[1×] 650.lb 1300.lb   Fake   2×[4×] 650.lb 5200.lb
Torpedo:ASW/Mk43 2×[1×] 370.lb 740.lb   Fake   2×[4×] 370.lb 2960.lb
Torpedo:ASW/Mk44 2×[1×] 450.lb 900.lb   Fake   2×[4×] 450.lb 3600.lb
Torpedo:ASW/Mk46 2×[1×] 500.lb 1000.lb   Fake   2×[4×] 500.lb 4000.lb
    Fantasy Installation  Same pylons, thus bombs or HVAR
HVAR & Sonobuoys Special  Rails 2× 4 - Outer Historic Historic Wing Pylons 2× 4 - Outer
HVAR AR5" 2×[4×] 140.lb 1120.lb   Fake 8×HVAR 2×[4×] 140.lb 1120.lb
HVAR RP3 2×[4×] 80.lb 640.lb   Fake Fake 2×[4×] 80.Lb 640.lb
Sonobuoys 2×[4×] 40.lb 320.lb   Fake Fake 2×[4×] 40.lb 320.lb

Offensive Armament Illustrated - See also PBM/P5M Animated Comparison

 
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