((Un-Offical and BETA)) IRIS C-27J Spartan FDE Upgrade

I purchased the IRIS Tactical Battlefield Air Lifter a few weeks ago. I (for the most part) love this model, however, I really didnt like the FDE to much. One person on another forum adequately put it "flying on auto pilot is great, hand flying becomes a challange"... adjustments I made should help to correct some things I liked better on my end. I wasnt sure if I was allowed to pasted the entire ac.cfg, so only the sections Ive modified and pasted below.

Feel free to modify this as you feel / see fit. Let me know what you think and if you have any questions feel free to ask.

fixed landing gear so that the mains are "in the wells" on the ground, aircraft now sits nose high as depicted in the videos / photos ive seen online

"lightened" the brakes, no more sudden nose drops but I did notice that mains tend to "lock up"

decreased roll and pitch amounts

"decreased" wing area to reflect that of the real life aircraft

decreased wing efficiency ( fully loaded a/c would climb at over 7k fpm)

adjusted stall speeds accordingly

adjusted max weight, empty weight, payload as per documents online

INSTALLATION

create a copy your original aicraft.cfg file (just incase you dont like this one)

locate each individual sections below. replace the sections in your aircraft.cfg with the correct sections below. save. reload / refresh aircraft in fsx.

[weight_and_balance]

max_gross_weight = 70100

empty_weight = 37479

reference_datum_position = 0, 0, 0

empty_weight_CG_position = 0, 0, 0

empty_weight_pitch_MOI = 300000

empty_weight_roll_MOI = 400000

empty_weight_yaw_MOI = 250000 //65000

empty_weight_coupled_MOI = 0

max_number_of_stations = 100

station_load.0 = "225, 34, -2, -7, Pilot"

station_load.1 = "180, 34, 2, -7, CoPilot"

station_load.2 = "1500, 0, 0, 0, Cargo"

//*****************************************************************************

[GeneralEngineData]

engine_type = 1

fuel_flow_scalar = 0.35

engine.0 = 0, -5, 0

engine.1 = 0, 5, 0

min_throttle_limit =-0.25

//*****************************************************************************

[TurbineEngineData]

fuel_flow_gain = 0.005

inlet_area = 1.500

rated_N2_rpm = 28000.000

// Shaft Horsepower = 4637HP = (4640*550) ft-lbs/sec = 2,552,000 ft lbs/sec

// Prop Efficiency = .9

// Speed at Peak output = 325 Knots = (325*1.687777) = 548.547

// Thrust Available = (2,552,000*0.9) / ( 548.547 ) = 4187.0614 lbs

thrust

static_thrust = 9000 //9270 //7000

ThrustSpecificFuelConsumption = 0.670

reverser_available = 5.500

Afterburner_available = 0.000

//*****************************************************************************

[contact_points]

max_number_of_points = 10

POINT.0= 1.000, 26.000, 0.000, -9.760, 2000.000, 0.000, 0.500, 55.000, 0.200,

7.500, 1.000, 1.800, 1.800, 0.000, 0.000, 0.000

POINT.1= 1.000, -0.700, -13.500, -8.650, 1574.000, 1.000, 0.596, 0.000, 1.642,

0.500, 0.815, 3.500, 4.900, 2.000, 0.000, 0.000

POINT.2= 1.000, -0.700, 13.500, -8.650, 1574.000, 2.000, 0.596, 0.000, 1.642,

0.500, 0.815, 3.800, 4.900, 4.000, 0.000, 0.000

POINT.3= 1.000, -3.700, -13.500, -8.520, 1574.000, 1.000, 0.596, 0.000, 1.642,

0.500, 0.815, 3.500, 4.900, 1.000, 0.000, 0.000

POINT.4= 1.000, -3.700, 13.500, -8.520, 1574.000, 2.000, 0.596, 0.000, 1.642,

0.500, 0.815, 3.800, 4.900, 1.000, 0.000, 0.000

static_pitch = -2.1 //degrees, pitch

when at rest on the ground (+=Up, -=Dn)

static_cg_height = 8.30 //feet, altitude

of CG when at rest on the ground

gear_system_type = 1 //Hydraulic

//*****************************************************************************

[airplane_geometry]

wing_area = 882.7

wing_span = 94.1

wing_root_chord = 11.60

wing_dihedral = 1

wing_incidence = 0

wing_twist = 0

oswald_efficiency_factor = 0.6

wing_winglets_flag = 0

wing_sweep = 0

wing_pos_apex_lon = -1.57

wing_pos_apex_vert = 6.48

htail_area = 440.00

htail_span = 40.70

htail_pos_lon =-45.00

htail_pos_vert = 6.20

htail_incidence = -1.00

htail_sweep = 0.00

vtail_area = 400.00

vtail_span = 24.80

vtail_sweep = 15.00

vtail_pos_lon =-32.70

vtail_pos_vert =-2.00

elevator_area = 250.00

aileron_area = 50.00

rudder_area = 150.00

elevator_up_limit = 25.00

elevator_down_limit = 15.00

aileron_up_limit = 25.00

aileron_down_limit = 15.00

rudder_limit = 31.50

elevator_trim_limit = 25.00

spoiler_limit = 45.00

spoilerons_available = 1 //Spoilerons Available?

aileron_to_spoileron_gain = 4.0 //Aileron to spoileron gain

min_ailerons_for_spoilerons = 5.00 //Degrees

min_flaps_for_spoilerons = 0.00 //Minimum flap handle

position when spoilerons activate

auto_spoiler_available = 1

positive_g_limit_flaps_up = 3.00 //Design G load tolerance

(positive, flaps up)

positive_g_limit_flaps_down = 2.00 //Design G load tolerance

(positive, flaps down)

negative_g_limit_flaps_up =-2.00 //Design G load tolerance

(negative, flaps up)

negative_g_limit_flaps_down =-2.00 //Design G load tolerance

(negative, flaps down)

load_safety_factor = 1.50 //Design G load safety

factor

spoiler_extension_time = 2.00

fly_by_wire = 0

//*****************************************************************************

[flight_tuning]

cruise_lift_scalar = 1.30

parasite_drag_scalar = 1.80

induced_drag_scalar = 1.50

elevator_effectiveness = .75

aileron_effectiveness = .50

rudder_effectiveness = .75

pitch_stability = 1.7

roll_stability = 1.8

yaw_stability = 1.20

elevator_trim_effectiveness = 4.00 //1.20

aileron_trim_effectiveness = 1.00

rudder_trim_effectiveness = 1.00

//*****************************************************************************

[Reference Speeds]

flaps_up_stall_speed = 126.0

full_flaps_stall_speed = 79.0

cruise_speed = 280.0

max_indicated_speed = 325.0

max_mach = 0.78

//*****************************************************************************

[brakes]

toe_brakes_scale = 1.25

parking_brake = 1

auto_brakes = 0

//*****************************************************************************

ps - I still haven't been able to shoot a full ILS with this. Im able to shoot LOC, VOR, and GPS approaches, however, I haven't been able to depict/capture vertical guidance. If anyone knows what Im doing wrong with that set up itd be greatly appreciated.