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Pilot's Handling Notes for the Fiat G.12T with Fiat A.74 RC42
engines
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The three 770hp Fiat A.74 RC42 engines drive constant speed
airscrews. They have automated mixture controls and manually
applied carb heat controls. Superchargers sustain that rated
power up to 4200 metres. Each engine can deliver 820hp for up to
two minutes for TOGA at sea level. Fiat engines cause swing to
the left. The virtual flight engineer will operate the oil cooler
shutters and select the appropriate supercharger gear ratio
throughout the flight according to the engine RPM demanded,
current altitude and the weather. The engine cowl flaps are under
pilot control in this simulation.
AUTOMIXTURE - This engine has automixture in real life and in
MSFS.
The manifold pressure gauges of this aircraft are calibrated in
Kg/Cm^2 abbreviated C.
Maximum fuel load is 7,116lbs of 87 Octane AVGAS. This is loaded
by default in FS9 to allow the longest routes flown in real life
and to allow tanker missions.
Pre war and wartime design cruise altitude was 4000 metres
despite lack of pressurisation or cabin oxygen supply in most
military deliveries.
The landing gear is approved for use from unpaved (but not
unprepared) surfaces. This aircraft has STOL capability.
Read 'How to fly the Fiat G.12' before flight.
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Take Off:
AUTOPILOT = OFF
FLAP = STAGE 1 (one light)
CARB HEAT = COLD
COWLS = 40%
ELEVATOR TRIM = 1 cabrata
RUDDER TRIM = destra
RPM = MAX
LINE UP
TAILWHEEL LOCK = ON
BRAKES = ON
RPM = MAX
THROTTLES = FULL
BRAKES = OFF
YOKE = FULL FORWARD to raise tail
TAIL UP - wait 2 seconds - ROTATE FIRMLY
POSITIVE RATE OF CLIMB
GEAR = UP
ACCELERATE = 170 KmIAS
FLAP = UP
ACCELERATE = 210 KmIAS
Call for Climb power
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METO power - use only after engine failure:
C = 1.0
RPM = 2400
COWLS = 40%
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Climb power:
RPM = 2300
*DO NOT EXCEED 3.5 m/s*
210 KmIAS
C <= 0.9
RESTRAIN C to achieve target + limit above
COWLS = 40%
On reaching 4000 metres
Call for econ cruise power
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Econ Cruise:
C = 0.8
RPM = 1850
COWLS = CLOSED
Plan 700 PPH
Note: Yields 169 KTAS at 4000M (FL131)
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Max Cruise:
Use to battle headwinds
C = 0.9
RPM = 2000
COWLS = 10%
Plan 930 PPH
Note: Yields 192 KTAS at 4000M (FL131)
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Descent:
*DO NOT EXCEED -3.5 m/s*
Retain CRUISE RPM
Traget prior cruise IAS
DO NOT EXCEED 350 KmIAS
*AVOID SHOCK COOLING*
C reduce @ 0.1 per minute
C => 0.5 (*MIN*)
COWLS = CLOSED
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Holding:
FLAP = UP
RPM = 1850
C = as required to achieve
210 KmIAS
COWLS = as required
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Approach Circuit and Landing:
C => 0.5 until over boundary fence
*Before Glidepath or Circuit*:
C = 0.5
REDUCE = 170 KmIAS
COWLS = 20%
GEAR = DOWN
FLAP = STAGE 1 & 2 (2 lights)
C as required to sustain
170 KmIAS
Downwind:
RPM = 2000
170 KmIAS
Base Leg:
C => 0.5 as required to
Turn final @ 155 KmIAS
Final:
CARB HEAT = COLD
In time to achieve Vref
FLAP = STAGE 3 (four lights)
Cross airfield boundary @ 135 KmIAS (all weights)
C < 0.5 allowed
FLARE
After mainwheel contact
CORRECT any drift
PULL TAILWHEEL GENTLY INTO CONTACT
YOKE FULL AFT
COWLS = FULL OPEN
FLAP = UP
BRAKES = as required
TAILWHEEL = UNLOCK before taxi
RPM = MAX before taxi
Nose engine = SHUT DOWN
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