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Re-engined Martin M-130 Pilot's Handling Notes
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SUMMARY.
During 1937 this M-130 has been re-engined with four
950hp Pratt & Whitney R-1830-SB-G Twin Wasp engines which are carburetted
and slightly supercharged. 1000hp is briefly available for TOGA. The constant
speed propellers can be feathered. These engines have automixture set
WARNING - If significant headwinds are encountered during first half of a long haul flight return to point of departure. If significant headwinds are encountered during a short haul flight, or late in a long haul flight continue to destination, descend to 500 feet and apply cruise climb power. This will yield 137 KTAS at 500 feet at 42,000lbs (Plan 1400 PPH).
WARNING - maximum safe landing weight is 48,000lbs but normal landing weight is 33,000lbs
CAUTION - This aircraft is unpressurised do not exceed FL120.
Maximum fuel load is 24,462 pounds forp propaganda flights, but normal and default fuel load is only 21,000 pounds. All fuel burn figures are for planning puposes and will vary slightly with altitude. Adjust fuel and payload using the FS9 fuel and payload menu.
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HANDLING THE AIRCRAFT
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Take Off:
MIXTURE = AUTO in realism screen
CARB HEAT = COLD
COWL FLAPS = 4 degrees
TRIM + 4 degrees (use wheel tooltip for guidance)
CALL for TOGA POWER (4 x 1000hp)
PROPS = MAX RPM
Slowly apply FULL THROTTLE
ROTATE at 80 KIAS (@ 52000lbs)
Establish positive rate of climb
CLIMB 200 feet ASL
ACCELERATE > 100 KIAS <= 500 VSI
Begin Cruise Climb (75% METO)
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Cruise Climb Power: (710hp x 4)
COWL FLAPS = 2 degrees
MAP = 30 (max)
RPM = 2000
Cruise Climb = 115 KIAS
Plan 1400 PPH
Note: Yields 149 KTAS @ FL120 @ 42000lbs
WHEN weight = 42,000lbs and nil wind
APPLY light weight cruise power (60% METO)
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Light weight Cruise / Climb: (570hp x 4)
Use < 42000lbs
Use only with no significant headwind
COWL FLAPS = Closed
MAP = 26 inches
RPM = 1850
115 KIAS
Plan 1000 PPH
Note: Yields 136 KTAS @ FL120 @ 42000lbs
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METO Power (950hp x 3)
Use only after engine failure
COWL FLAPS = 4 degrees
MAP = 36
RPM = 2250
Plan 1450 PPH (3 engines)
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Descent:
DO NOT EXCEED Vno = 150 KIAS
COWLS = CLOSED
RPM = 1850
REDUCE MAP in stages of 3 inches (per minute)
MAP => 19
See CARB HEAT below
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Approach and Circuit:
COWL FLAPS = 2 degrees
RPM = 2300 RPM
MAP = 23 inches
Downwind abeam touchdown zone
No MAP restriction
REDUCE = 80 KIAS
Touch down @ 70 KIAS (@ 33,000lbs)
COWL FLAPS = FULL OPEN
PROPS = MAX RPM for taxi
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Carb Heat:
When < 30 inches MAP with an OAT below 5C (40F)
use carb heat periodically to clear carburettor ice.
Continuous use of carb heat is not recommended.
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