// Savoia Marchetti SM.74 Flight Dynamics
// version 1
// Manuele Villa November 2007
[fltsim.0]
title=SM74 I-URBE
sim=74
model=px
panel=
sound=
texture=urbe
kb_reference=SM74_check
ui_manufacturer=Savoia Marchetti
ui_type=SM.74
ui_variation='Ala Littoria'I-URBE
atc_heavy=0
atc_id=I-URBE
atc_airline=ALA
atc_flight_number=
atc_id_color=0000000000
visual_damage=0
description=Built during 1934 by the Societa Idrovolanti Alta Italia "Savoia”, the SM.74 had accommodation for twenty-four passengers in one large cabin. It had wooden wings and welded steel tube fuselage covered with aluminium and painted canvas. Fitted initially with four 700 h.p. Piaggio "Stella" X engines received, during 1937, the 780 h.p. Alfa Romeo AR.126 RC ones. Its loaded weight was 31.000 lbs and the cruising speed 190 m.p.h.. The SM.74 was the first four-engined Italian airliner. Only three planes were built (I-URBE, I-ROMA, I-ALPE), and they served from 1936 with Ala Littoria; distinguished by comfort and luxury, these planes were fast, safe and sturdy. The SM.74s were used on the Rome-Paris route until 1938 and on the Rome-Tripoli route until 1940. After June 1940 the Royal Italian Air Force (Regia Aeronautica) incorporated all the civil aircrafts. The three SM.74s of 604° Transports sqdn. (based in Libya) were used during military operations in North Africa and also for the evacuation of the civilians towards the Sicily; carrying more than 5,000 kg of material they revealed themselves as the best Italian (operative) cargos.Created by Manuele Villa , November 2007.

[fltsim.1]
title=SM74 I-ROMA
sim=74
model=126
panel=
sound=
texture=roma
kb_reference=SM74_check
ui_manufacturer=Savoia Marchetti
ui_type=SM.74
ui_variation='Ala Littoria'I-ROMA
atc_heavy=0
atc_id=I-ROMA
atc_airline=ALA
atc_flight_number=
atc_id_color=0000000000
visual_damage=0
description=Built during 1934 by the Societa Idrovolanti Alta Italia "Savoia”, the SM.74 had accommodation for twenty-four passengers in one large cabin. It had wooden wings and welded steel tube fuselage covered with aluminium and painted canvas. Fitted initially with four 700 h.p. Piaggio "Stella" X engines received, during 1937, the 780 h.p. Alfa Romeo AR.126 RC ones. Its loaded weight was 31.000 lbs and the cruising speed 190 m.p.h.. The SM.74 was the first four-engined Italian airliner. Only three planes were built (I-URBE, I-ROMA, I-ALPE), and they served from 1936 with Ala Littoria; distinguished by comfort and luxury, these planes were fast, safe and sturdy. The SM.74s were used on the Rome-Paris route until 1938 and on the Rome-Tripoli route until 1940. After June 1940 the Royal Italian Air Force (Regia Aeronautica) incorporated all the civil aircrafts. The three SM.74s of 604° Transports sqdn. (based in Libya) were used during military operations in North Africa and also for the evacuation of the civilians towards the Sicily; carrying more than 5,000 kg of material they revealed themselves as the best Italian (operative) cargos.Created by Manuele Villa , November 2007.

[fltsim.2]
title=SM74 604-9
sim=74
model=ra
panel=
sound=
texture=604-9
kb_reference=SM74_check
ui_manufacturer=Savoia Marchetti
ui_type=SM.74
ui_variation='Regia Aeronautica'604-9
atc_heavy=0
atc_id=609-4
atc_airline=RA
atc_flight_number=
atc_id_color=0000000000
visual_damage=0
description=Built during 1934 by the Societa Idrovolanti Alta Italia "Savoia”, the SM.74 had accommodation for twenty-four passengers in one large cabin. It had wooden wings and welded steel tube fuselage covered with aluminium and painted canvas. Fitted initially with four 700 h.p. Piaggio "Stella" X engines received, during 1937, the 780 h.p. Alfa Romeo AR.126 RC ones. Its loaded weight was 31.000 lbs and the cruising speed 190 m.p.h.. The SM.74 was the first four-engined Italian airliner. Only three planes were built (I-URBE, I-ROMA, I-ALPE), and they served from 1936 with Ala Littoria; distinguished by comfort and luxury, these planes were fast, safe and sturdy. The SM.74s were used on the Rome-Paris route until 1938 and on the Rome-Tripoli route until 1940. After June 1940 the Royal Italian Air Force (Regia Aeronautica) incorporated all the civil aircrafts. The three SM.74s of 604° Transports sqdn. (based in Libya) were used during military operations in North Africa and also for the evacuation of the civilians towards the Sicily; carrying more than 5,000 kg of material they revealed themselves as the best Italian (operative) cargos.Created by Manuele Villa , November 2007.

[General]
atc_type=SIAI 
atc_model=SM74 
editable=1 
performance="Maximum Speed\n186 mph 300 km/hr\n\nCruise Speed\n110-118 mph 180 km/hr\n\nEngine\n700-hp Piaggio PX-RC C\n\nPropeller\nThree-bladed, variable pitch\n\nMaximum Range\n2000 km\n\nFuel Capacity\n990 Imp.Gal.	1190 USG\n\nEmpty Weight\n20940 lb\n\nMaximum Gross Weight\n31085lb\n\nLength\n70 ft, 1  in 	21.79 m\n\nWingspan\n97 ft, 5  in 	29.68 m\n\nSeating\nUp to 24" 

[weight_and_balance]

// ACM V2.3
max_gross_weight = 31085
empty_weight = 20940
reference_datum_position = 3.4, 0, 2
empty_weight_CG_position = 0, 0, -3
empty_weight_pitch_MOI = 127017
empty_weight_roll_MOI = 105809
empty_weight_yaw_MOI = 190293
empty_weight_coupled_MOI = 0
max_number_of_stations = 2

station_load.0 = 660, 11.25, 0, 0
station_load.1 = 3970, -2.04, 0, -5.26


[lights]

//Types: 1=beacon, 2=strobe, 3=navigation, 4=cockpit, 5=landing

light.0 = 3, 4.5, -46.73, 3.2, fx_SM74_navred
light.1 = 3, 4.5, 46.73, 3.2, fx_SM74_navgre
light.2 = 4, 14.03, 0.16, 0.15, fx_vclight
light.3 = 3, -36.35, 0.07, 6.94, fx_SM74_navwhi
light.4 = 5, 23.14, -0.45, -3.67, fx_SM74_landing
light.5 = 5, 23.14, 0.61, -3.67, fx_SM74_landing

[GeneralEngineData]

//0=Piston, 1=Jet, 2=None, 3=Helo-Turbine, 4=Rocket, 5=Turboprop
engine_type = 0
fuel_flow_scalar = 1.130
engine.0 = 9.91, -20.5, 1.30,
engine.1 = 10.91, -9.69, 0.80,
engine.2 = 10.91, 9.89, 0.80,
engine.3 = 9.91, 20.60, 1.30,

[effects]
dirt = fx_tchdrt
concrete = fx_sparks
touchdown = fx_tchdwn_s, 1

[fuel]

//Longitudinal (feet), Lateral (feet), Vertical (feet), Usable(gallons), Unusable (gallons)

fuel_type = 1
number_of_tank_selectors = 2

LeftMain = 0, -6, 4, 297, 0
LeftAux = 0, -15, 4.1, 297, 0
RightMain = 0, 6, 4, 297, 0
RightAux = 0, 15, 4.1, 297, 0
electric_pump=0


[contact_points]
static_pitch = 10.07
static_cg_height = 9.27
max_number_of_points = 7

point.0 = 1, -38.5057, 0, -5.7, 1600, 0, 1, 30, 0.5, 0.5, 0.595, 0, 0, 7, 0, 0
point.1 = 1, 4.3, -11, -12.8, 1600, 1, 2, 0, 0.6, 2.5, 0.756, 0, 0, 2, 0, 0
point.2 = 1, 4.3, 11, -12.8, 1600, 2, 2, 0, 0.6, 2.5, 0.752, 0, 0, 3, 0, 0
point.3 = 0, 0, -45, 1.4, 800, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0
point.4 = 0, 0, 45, 1.4, 800, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0
point.5 = 0, -50, 0, -3, 800, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0
point.6 = 0, 18, 0, -4.5, 800, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0


[keyboard_response]
elevator = 200, 1000
aileron = 200, 1000
rudder = 200, 1000


[forcefeedback]
gear_bump_nose_magnitude = 7000
gear_bump_nose_direction = 18000
gear_bump_nose_duration = 250000
gear_bump_left_magnitude = 9000
gear_bump_left_direction = 35500
gear_bump_left_duration = 250000
gear_bump_right_magnitude = 9000
gear_bump_right_direction = 500
gear_bump_right_duration = 250000
ground_bumps_magnitude1 = 7500
ground_bumps_angle1 = 8900
ground_bumps_intercept1 = 5
ground_bumps_slope1 = 0.48
ground_bumps_magnitude2 = 2300
ground_bumps_angle2 = 9100
ground_bumps_intercept2 = 0.075
ground_bumps_slope2 = 1
crash_magnitude1 = 10000
crash_direction1 = 1000
crash_magnitude2 = 10000
crash_direction2 = 9000
crash_period2 = 7500
crash_duration2 = 2500000
stick_shaker_magnitude = 8000
stick_shaker_direction = 0
stick_shaker_period = 111111

[airplane_geometry]
//ACM_AREAW1// 0,0,0,5.1816,1.6425,1.6425,0.0573,4.9798,3.2850,3.2850
//ACM_AREAW2// 0.1146,4.7781,4.9274,4.9274,0.1720,4.5763,6.5700,6.5700,0.2293,4.3747
//ACM_AREAW3// 8.2124,8.2124,0.2867,4.1729,9.8549,9.8549,0.3440,3.9711,11.4975,11.4975
//ACM_AREAW4// 0.4013,3.7695,13.1400,13.1400,0.4587,3.5678,14.7826,14.7826,0.5162,3.3661
//ACM_AREAH1// 0,0,0,2.6414,0.4402,0.4402,0.1430,2.6524,0.8805,0.8805
//ACM_AREAH2// 0.2861,2.6635,1.3207,1.3207,0.4291,2.6744,1.7610,1.7610,0.5722,2.6854
//ACM_AREAH3// 2.2012,2.2012,0.7152,2.6963,2.6414,2.6414,0.8582,2.7074,3.0817,3.0817
//ACM_AREAH4// 1.0010,2.7183,3.5220,3.5220,1.1444,2.7293,3.9623,3.9623,1.2874,2.7402
//ACM_AREAV1// 0,0,0,2.4384,0.2709,0.2709,0.1897,2.4330,0.5418,0.5418
//ACM_AREAV2// 0.3794,2.4275,0.8126,0.8126,0.5691,2.4223,1.0836,1.0836,0.7588,2.4168
//ACM_AREAV3// 1.3545,1.3545,0.9484,2.4114,1.6253,1.6253,1.1382,2.4061,1.8961,1.8961
//ACM_AREAV4// 1.3279,2.4007,2.1672,2.1672,1.5176,2.3954,2.4384,2.4384,1.7072,2.3901
//ACM_CAREAW1// 7.8583,7.8583,3.2225,4.1187,8.3992,8.3992,3.1577,4.0953,9.0339,9.0339
//ACM_CAREAW2// 3.0929,3.9323,9.8549,9.8549,2.9349,3.8157,10.6764,10.6764,2.8698,3.6988
//ACM_CAREAW3// 11.4975,11.4975,2.7118,3.5826,12.4124,12.4124,2.5536,3.3726,13.7938,13.7938
//ACM_CAREAW4// 2.3018,3.0690,14.2418,14.2418,0.8356,2.8122,14.7826,14.7826,1.5650,2.0885
//ACM_CAREAH1// 0,0,1.7410,2.6414,0.4402,0.4402,1.7438,2.8587,0.8805,0.8805
//ACM_CAREAH2// 1.7467,2.8889,1.3207,1.3207,1.7496,2.8726,1.7610,1.7610,1.7992,2.9495
//ACM_CAREAH3// 2.2012,2.2012,1.8487,2.9328,2.8749,2.8749,1.8516,2.8698,3.1284,3.1284
//ACM_CAREAH4// 1.3408,2.9000,3.4751,3.4751,1.5305,2.8371,3.9623,3.9623,1.9074,2.5404
//ACM_CAREAV1// -0.3736,-0.3736,0.0489,2.6226,0.1773,0.1773,0.0518,2.6212,0.5885,0.5885
//ACM_CAREAV2// 0.3348,2.6203,0.9994,0.9994,0.6176,2.6189,1.3171,1.3171,0.9009,2.6177
//ACM_CAREAV3// 1.5880,1.5880,1.1373,2.6164,1.9055,1.9055,1.4670,2.5218,2.1296,2.1296
//ACM_CAREAV4// 1.7503,2.4739,2.2139,2.2139,1.9867,2.3789,2.2513,2.2513,2.1300,2.2376
wing_area = 1204
wing_span = 97
wing_root_chord = 17
wing_dihedral = 3
wing_incidence = 3
wing_twist = -1.0
oswald_efficiency_factor = 0.6
wing_winglets_flag = 0
wing_sweep = 2
wing_pos_apex_lon = 7
wing_pos_apex_vert = 0
htail_area = 178.0
htail_span = 26
htail_pos_lon = -28.5
htail_pos_vert = 0
htail_incidence = 0.0
htail_sweep = 18
vtail_area = 50.9
vtail_span = 8
vtail_sweep = 35
vtail_pos_lon = -30
vtail_pos_vert = -0.50
elevator_area = 95.5
aileron_area = 136.2
rudder_area = 24.22
elevator_up_limit = 15.0
elevator_down_limit = 15.0
aileron_up_limit = 20.0
aileron_down_limit = 20.0
rudder_limit = 30.0
elevator_trim_limit = 20.0
spoiler_limit = 0.0
aileron_to_spoileron_gain = 0
min_ailerons_for_spoilerons = 0
min_flaps_for_spoilerons = 0
spoilerons_available = 0

[electrical]
max_battery_voltage = 24
generator_alternator_voltage = 25
max_generator_alternator_amps = 60
electric_always_available = 0
pitot_heat = 0, 15, 17
fuel_pump = 2, 5, 17
starter1 = 2, 20, 17
starter2 = 2, 20, 17
starter3 = 2, 20, 17
starter4 = 2, 20, 17
light_nav = 0, 5, 17
light_landing = 0, 5, 17
light_panel = 0, 5, 17
fuel_transfer_pump = 2, 5, 17

[flight_tuning]
cruise_lift_scalar=1.0 
parasite_drag_scalar=1.0 
induced_drag_scalar=1.0 
elevator_effectiveness=1.0 
aileron_effectiveness=1.0 
rudder_effectiveness=1.0 
pitch_stability=1.0 
roll_stability=1.0 
yaw_stability=1.0 
elevator_trim_effectiveness=1.1 
aileron_trim_effectiveness=0.040 
rudder_trim_effectiveness=0.50 
p_factor_on_yaw          = 0.5
torque_on_roll           = 1.0
gyro_precession_on_yaw   = 1.0
gyro_precession_on_pitch = 1.0 

[Flaps.0]
type=1								// 1 - tail, 2 - lead
span-outboard=0.50					// 0.0 .. 1.0
extending-time=8			// seconds
flaps-position.0=0, 0.0					// degrees, KIAS
flaps-position.1=9, 0.0					// degrees, KIAS
flaps-position.2=18, 0.0					// degrees, KIAS
flaps-position.3=27, 0.0					// degrees, KIAS
flaps-position.4=35, 0.0					// degrees, KIAS
damaging-speed=130					// KIAS
blowout-speed=150
lift_scalar = 1.2
drag_scalar = 0.3
pitch_scalar= -0.6
system_type = 2

[Reference Speeds]
flaps_up_stall_speed=64.000000 
full_flaps_stall_speed=58.000000 
cruise_speed=147 
max_indicated_speed=205.000000	

[piston_engine]
power_scalar=1.0 
cylinder_displacement=181.844000 
compression_ratio=6.400000 
number_of_cylinders=9 
max_rated_rpm=2300.000000 
max_rated_hp=800.000000 
fuel_metering_type=2 
cooling_type=0 
normalized_starter_torque=0.035000 
turbocharged=1 
max_design_mp=44.499999 
min_design_mp=1.000000 
critical_altitude=21000.000000 
emergency_boost_type=0 
emergency_boost_mp_offset=0.000000 
emergency_boost_gain_offset=0.000000 
fuel_air_auto_mixture=0 
auto_ignition=0 
max_rpm_mechanical_efficiency_scalar=1.000000 
idle_rpm_mechanical_efficiency_scalar=1.000000 
max_rpm_friction_scalar=1.000000 
idle_rpm_friction_scalar=1.000000 

[propeller]
thrust_scalar=0.85 
propeller_type=0 
propeller_diameter=12 
propeller_blades=3 
propeller_moi=40 
beta_max=60 
beta_min=18 
min_gov_rpm=1200 
prop_tc=0.003 
gear_reduction_ratio=1.8 // 1.85
fixed_pitch_beta=0.000000 
low_speed_theory_limit=80.000000 
prop_sync_available=0 
prop_deice_available=1 
prop_feathering_available=1 
prop_auto_feathering_available=1 
min_rpm_for_feather=1200.000000 
beta_feather=12.000000 
power_absorbed_cf=0.300000 
defeathering_accumulators_available=0 
prop_reverse_available=0 
minimum_on_ground_beta=0.0 
minimum_reverse_beta=0.0 

[brakes]
parking_brake = 1       //Parking brake available
toe_brakes_scale = 0.4  //Brake scalar
differential_braking_scale = 1.5        //Delta on the amount of brake when the rudder pedals deflected
[hydraulic_system]
normal_pressure = 0.0    //PSI
[Views]
eyepoint=17.3, -1.0, 4.3 

[Radios]
// Radio Type = availiable, standby frequency, has glide slope
Audio.1=1 
Com.1=1, 0 
Nav.1=0, 0, 0 
Adf.1=1 
Transponder.1=0 
Marker.1=0 

[direction_indicators]
//1 Type: 0=None, 1=Vacuum Gyro, 2=Electric Gyro, 3=Electro-Mag Slaved Compass, 4=Slaved to another
//2 Indicator number of slaving indicator if Type = 4
direction_indicator.0=1,0 
direction_indicator.1=2,0

[attitude_indicators]
//Type: 0=None, 1=Vacuum Gyro, 2=Electric Gyro
attitude_indicator.0 = 1 
attitude_indicator.1 = 2 
[turn_indicators]
//Type: 0=None, 1=Electric Gyro, 2= Vacuum Gyro
turn_indicator.0=2,0
[autopilot]
autopilot_available=1 
flight_director_available=0 
pitch_takeoff_ga=0.0 
default_vertical_speed=500.000000 
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=25.000000
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     //Default to Heading Hold

[stall_warning]
type=1
[exits]
number_of_exits = 2
exit_rate.0 = 0.4                               ;Percent per second
exit_rate.1 = 0.4                               ;Percent per second

[Views]
eyepoint=17.3, -1.0, 4.3