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Flight Dynamics for the Fiat G.12L with Fiat A.74 RC42 engines
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[fltsim.0]
title=G12L
sim=G12L
model=
panel=
sound=
texture=
kb_checklists=
kb_reference=G12L_ref
atc_id=I-AIRE
ui_manufacturer=Fiat
ui_type=1948 G.12-L
ui_variation=Compagnia Trasporti Aerei "Airone"
atc_heavy=0
atc_airline=
atc_flight_number=
description=Compagnia Transporti Aerei Airone, ordered and received during 1947 the first G.12s purchased by a private sector company. All four had 11 x 2 seating (I-AIRE , I-AIRN Barbagia, I-AIRO Logudoro, I-SASS). The L (Long) had a fuselage plug both behind and ahead of the wing, moving the cockpit ahead of the wing engines. This version was powered by the original Fiat A.74 engines used in the lighter wartime G.12CR and G.12T and was now underpowered. Airone based their three G.12Ls and the only G.12LP in Cagliari (LIEE) flying to Rome (LIRA), Milan (LIML) and Turin (LIMF) via both Alghero (LIEA) and Olbia (LIEO). Airone merged with "Avio Linee Italiane" to form "A.L.I. Flotte Riunite" in 1949. Skin by Manuele Villa, May 2009.
[General]
atc_type=Fiat
atc_model=G12
performance=Press F10 and then lowest icon for step by step on screen handling notes.
[Views]
eyepoint= 11.85, -1.325, 5.0
[WEIGHT_AND_BALANCE]
empty_weight = 23855 ;including lubricating oil, avionics, etc
max_gross_weight = 34171
reference_datum_position = 0, 0, 0
empty_weight_CG_position = 0, 0, 0
station_load.0 = 800, 0, 0, 0 ;4 crew with bags
station_load.1 = 2400, 0, 0, 0 ;12 pax with bags
With the centre tank empty payload rose from 2,400lbs to 4,500lbs for short hauls to/from Sardinia with 22 pax plus bags.
Moments of Inertia
empty_weight_pitch_MOI = 180000
empty_weight_roll_MOI = 520000
empty_weight_yaw_MOI = 630000
empty_weight_coupled_MOI = 0.000
[fuel]
Max fuel 7,116lbs but centre tank fuel required for long range operation only. Max fuel is loaded by default in FS9 to permit longest routes flown in real life.
LeftMain = 0, 0, 0, 417, 0
RightMain = 0, 0, 0, 417, 0
Center1 = 0, 0, 0, 352, 0
fuel_type = 1
number_of_tank_selectors=1
electric_pump=0
[GeneralEngineData]
engine_type = 0
engine.0 = 10.30, -9.14, -0.16
engine.1 = 23.65, 0, 1.67
engine.2 = 10.30, 9.14, -0.16
min_throttle_limit = 0
master_ignition_switch = 1
fuel_flow_scalar = 1.014
[piston_engine]
Fiat A.74 RC42
cylinder_displacement = 136.2
compression_ratio = 6.7
number_of_cylinders = 14
critical_altitude = 7600 //adjusted to rated RPM
max_design_mp = 37.5 //1.26C
max_rated_rpm = 2520 //TOGA and emergency
max_rated_hp = 820 //TOGA and emergency
fuel_metering_type = 1
turbocharged = 1
min_design_mp = 0
emergency_boost_type = 0
emergency_boost_mp_offset = 0
emergency_boost_gain_offset = 0
fuel_air_auto_mixture = 1
auto_ignition = 0
emergency_boost_duration = 0
cooling_type = 1
normalized_starter_torque = 0.25
max_rpm_mechanical_efficiency_scalar = 1
idle_rpm_mechanical_efficiency_scalar = 1
max_rpm_friction_scalar = 1
idle_rpm_friction_scalar = 1
[propeller]
Hamilton Standard constant speed screw built under licence by Fiat.
propeller_type = 0
propeller_diameter = 7.5
propeller_blades = 3
gear_reduction_ratio = 1
propeller_moi = 6
beta_max = 65
beta_min = 15
min_gov_rpm = 600
prop_tc = 0.01
fixed_pitch_beta = 0
low_speed_theory_limit = 80
prop_sync_available = 0
prop_deice_available = 1
prop_feathering_available =0
prop_auto_feathering_available =0
defeathering_accumulators_available =0
prop_reverse_available =0.000000
minimum_on_ground_beta =0.000000
minimum_reverse_beta=0.000000
min_rpm_for_feather=0.000000
beta_feather=0.000000
power_absorbed_cf=0.000000
[airplane_geometry]
oswald_efficiency_factor= 0.74
wing_area = 1222 ;113.5 square metres
wing_span = 94.2 ;28.72 metres
wing_root_chord = 13
wing_pos_apex_lon = 3.25
wing_pos_apex_vert = -3
htail_area = 175
htail_span = 20
htail_pos_lon = -30
htail_pos_vert = 0
htail_incidence = 0
htail_sweep = 0
vtail_area = 81
vtail_span = 10
vtail_sweep = 0
vtail_pos_lon = -30
vtail_pos_vert = 3
elevator_area = 75
aileron_area = 37
rudder_area = 37
elevator_up_limit = 24
elevator_down_limit = 20
aileron_up_limit = 18
aileron_down_limit = 18
rudder_limit = 25
elevator_trim_limit = 15
spoiler_limit = 60 ;used for cowl varied engine drag
spoilerons_available = 0
aileron_to_spoileron_gain = 0
min_ailerons_for_spoilerons = 0
min_flaps_for_spoilerons = 0
wing_dihedral = 0
wing_incidence = 0
wing_twist = 0
wing_winglets_flag = 0
wing_sweep = 0
[Flaps.0]
Max flap was 48 degrees. The crew could select any angle. The angles below are the recommended angles for max gross departure and typical landing weight. I suspect the crew selected 20 then 45 during approach without using 15, but we must select flap stage by stage in MSFS. See on screen handling notes and 'How to fly the Fiat G.12'.
type= 1
span-outboard= 0.5
extending-time= 22
system_type = 1
flaps-position.0= 0,0
flaps-position.1= 15, 95
flaps-position.2= 20, 95
flaps-position.3= 45, 95
[Reference Speeds]
full_flaps_stall_speed = 57
flaps_up_stall_speed = 74
cruise_speed = 159
max_indicated_speed = 189 //estimated
[brakes]
parking_brake = 1
toe_brakes_scale = 0.35
[contact_points]
static_pitch = 13
static_cg_height = 9
tailwheel_lock = 1
gear_system_type= 1
point.0 = 1, -41.27, 0, 0.1, 800, 0, 0.94, 40, 0.19, 2, 0.8, 8, 8, 0, 95, 95
point.1 = 1, 1, -9.1, -9.2, 1200, 1, 2.06, 0, 0.22, 2, 0.8, 8, 8, 2, 95, 95
point.2 = 1, 1, 9.1, -9.2, 1200, 2, 2.06, 0, 0.22, 2, 0.8, 9, 9, 3, 95, 95
point.3 = 2, -2.2609, 47.0354, 4.1995, 800, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0
point.4 = 2, -2.2609, -47.0354, 4.1995, 800, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0
point.5 = 2, 22.9007, 0, -6.9379, 800, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0
point.6 = 2, -42.0931, 0, 17.0001, 800, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0
point.7 = 2, -49.9017, 0, 6.2648, 800, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0
point.8 = 2, 1.8, -26, 0.9, 800, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0
point.9 = 2, 1.8, 26, 0.9, 800, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0
[gear_warning_system]
gear_warning_available=1
pct_throttle_limit=0.1
flap_limit_power=16.0
flap_limit_idle=0.0
[hydraulic_system]
normal_pressure = 732.0
electric_pumps = 0
engine_map = 1,1,0
[Radios]
Com.1 = 1
Nav.1 = 1
Adf.1 = 1
Transponder.1 = 1
Audio.1 = 1
Marker.1 = 1
[lights]
//Types: 1=beacon, 2=strobe, 3=navigation, 4=cockpit, 5=landing
light.0 = 3, -2.98, -47.22, 4, fx_navred
light.1 = 3, -2.99, 47.22, 4, fx_navgre
light.2 = 3, -51.1, 0, 6.1, fx_navwhi
light.3 = 4, 13, 0, 4.0, fx_vclight
light.4 = 4, -24.5, 0, 4.7, fx_vclight
light.5 = 5, 0.1, -25.5, 0.69, fx_SM74_landing
light.6 = 5, 0.1, 25.5, 0.69, fx_SM74_landing
light.7 = 5, 1.1, -25.5, 0.69, Newll
light.8 = 5, 1.1, 25.5, 0.69, Newll
[keyboard_response]
elevator =200, 1000
aileron =200, 1000
rudder =200, 1000
[direction_indicators]
direction_indicator.0=1,0
direction_indicator.1=2,0
[attitude_indicators]
attitude_indicator.0 = 1
attitude_indicator.1 = 2
[turn_indicators]
turn_indicator.0=2,0
[stall_warning]
type=1
[exits]
number_of_exits = 1
exit_rate.0 = 0.27 ;Percent per second
[effects]
wake = fx_wake
water = fx_spray
dirt = fx_tchdrt
concrete = fx_sparks
touchdown = fx_tchdwn_s, 1
[electrical]
max_battery_voltage = 24
generator_alternator_voltage = 25
max_generator_alternator_amps = 100
[autopilot]
autopilot_available= 1
flight_director_available = 0
pitch_takeoff_ga=0
default_vertical_speed=0
autothrottle_available=0
direction_indicator=1
max_pitch=10.000000
max_pitch_acceleration=1.000000
max_pitch_velocity_lo_alt=2.000000
max_pitch_velocity_hi_alt=1.500000
max_pitch_velocity_lo_alt_breakpoint=20000.000000
max_pitch_velocity_hi_alt_breakpoint=28000.000000
max_bank=25
max_bank_acceleration=1.800000
max_bank_velocity=3.000000
max_throttle_rate=0.100000
nav_proportional_control=9.000000
nav_integrator_control=0.250000
nav_derivative_control=0.000000
nav_integrator_boundary=2.500000
nav_derivative_boundary=0.000000
gs_proportional_control=9.520000
gs_integrator_control=0.260000
gs_derivative_control=0.000000
gs_integrator_boundary=0.700000
gs_derivative_boundary=0.000000
yaw_damper_gain = 0.0
default_bank_mode=2
[forcefeedback] //not tested
ground_bumps_magnitude1 = 2600
ground_bumps_angle1 = 8900
ground_bumps_intercept1 = 5.0
ground_bumps_slope1 = 0.6
ground_bumps_magnitude2 = 1200
ground_bumps_angle2 = 9100
ground_bumps_intercept2 = 0.085
ground_bumps_slope2 = 0.65
crash_magnitude1 = 10000
crash_direction1 = 01000
crash_magnitude2 = 10000
crash_direction2 = 9000
crash_period2 = 75000
crash_duration2 = 3500000
