

So ,man i owe you. A LOT. Not just a favor but a drink. :p
I will tweak that a bit more to make nose lighter and TO speed more normal...but this is a huge,huge ,huge step forward.
Good job man....good job.

Cheers
[weight_and_balance]
//A321-211/231 config
//Pax Zonings
//weight, longitudinal(fore-aft),lateral,vertical position
station_load.0= "9395.2, 29.24, 0.000, 0.000, CAB OA (74)" //Forward Section
station_load.1= "9116.6, -3.33, 0.000, 0.000, CAB OB (74)" //Middle Section
station_load.2= "8985.1, -31.34, 0.000, 0.000, CAB OC (72)" //Rear Section
//Cargo & Baggage
station_load.3= "3880.1, 28.11, 0.000, 0.000, CPT FOR" //Forward Compartment (12500lbs)
station_load.4= "3986.9, -18.46, 0.000, 0.000, CPT AFT" //Aft Compartment (12500lbs)
station_load.5= "952.5, -39.22, 0.000, 0.000, CPT BLK" //Bulk Compartment (03300lbs)
//Basic Weight
empty_weight=120847.4
empty_weight_roll_MOI=959904.000000
empty_weight_pitch_MOI=1710000.000000
empty_weight_yaw_MOI=1230000.000000
empty_weight_coupled_MOI=0.000000
max_gross_weight=196210
reference_datum_position=0.0000,0.000000,0.000000
empty_weight_CG_position=0.63,0.000000,0.000000
CG_forward_limit=0.18
CG_aft_limit=0.40
[airplane_geometry]
wing_area=1317.503
wing_span=111.833333
wing_root_chord=13.76
wing_dihedral=3.298901
wing_incidence=-3.5
wing_twist=-1.600000
oswald_efficiency_factor=0.745
wing_winglets_flag=1
wing_sweep=25.0000
wing_pos_apex_lon=16.813
wing_pos_apex_vert=0.70000
htail_area=333.681
htail_span=41.666667
htail_pos_lon=-57.33688
htail_pos_vert=6.500000
htail_incidence=1.500000
htail_sweep=0.000000
vtail_area=231.424
vtail_span=17.991665
vtail_sweep=0.000000
vtail_pos_lon=-54.51698
vtail_pos_vert=19.915
elevator_area=76.500000
aileron_area=57.0
rudder_area=56.200000
elevator_up_limit=25.0
elevator_down_limit=15.0
aileron_up_limit=25.0
aileron_down_limit=15.0
rudder_limit=25.0
elevator_trim_limit=13.5
spoiler_limit=50.0 //35.0
spoilerons_available=1
aileron_to_spoileron_gain=1.5
min_ailerons_for_spoilerons=12
min_flaps_for_spoilerons=0
[generalenginedata]
engine_type=1
fuel_flow_scalar=1.09
Engine.0=6.500000,-18.95,-5.125
Engine.1=6.500000,18.95,-5.125
min_throttle_limit=-0.43
max_contrail_temperature = -30
[contact_points]
//0 Class (1= landing gear/2= scrape point/3= skid point /4= float/5= water rudder)
//1 Longitudinal Position (feet from reference datum)
//2 Lateral Position (feet from reference datum, minus=Left, plus=Right )
//3 Vertical Position (feet from reference datum)
//4 Impact Damage Threshold (Feet Per Minute)
//5 Brake Map (0=None, 1=Left, 2=Right)
//6 Wheel Radius (feet)
//7 Steer Angle (degrees)
//8 Static Compression (feet) (0 if rigid)
//9 Max/Static Compression Ratio (max compression/static compression)
//10 Damping Ratio (0=Undamped, 1=Critically Damped)
//11 Extension Time (seconds)
//12 Retraction Time (seconds)
//13 Sound Type (0=Center gear/1=Auxiliary gear/2=Left gear/3=Right gear/4=Fuselage scrape/5=Left wing scrape/6=Right wing scrape/7=Aux. scrape 1/8=Aux. Scrape 2/9= Tail scrape)
//14 IAS limit gear retraction (KIAS)
//15 IAS gear damage at (KIAS)
//Nosewheel travel, this model:
//Main gear travel, this model:
static_pitch=-0.319722
static_cg_height=11.60811023622
point.0 = 1, 50.80, 0.0, -11.96, 800, 0.0, 1.533, 68.0, 1.00, 1.44, 0.68, 13.2, 12.9, 0.0, 252.0, 282.0
point.1 = 1, -4.20, -12.45, -12.27, 1200, 1.0, 1.680, 0.0, 0.72, 1.54, 0.81, 14.0, 13.7, 2.0, 252.0, 282.0
point.2 = 1, -4.20, 12.45, -12.27, 1200, 2.0, 1.680, 0.0, 0.72, 1.54, 0.80, 14.2, 13.3, 2.0, 252.0, 282.0
point.3 = 2, -13.75, -54.58, -0.50, 750, 0.0, 0.000, 0.0, 0.0, 0.00, 0.00, 0.0, 0.0, 5.0, 0.0, 0.0
point.4 = 2, -13.75, 54.58, -0.50, 750, 0.0, 0.000, 0.0, 0.0, 0.00, 0.00, 0.0, 0.0, 6.0, 0.0, 0.0
point.5 = 2, -65.25, 0.00, 0.05, 750, 0.0, 0.000, 0.0, 0.0, 0.00, 0.00, 0.0, 0.0, 9.0, 0.0, 0.0
point.6 = 2, 66.16, 0.00, -3.16, 750, 0.0, 0.000, 0.0, 0.0, 0.00, 0.00, 0.0, 0.0, 4.0, 0.0, 0.0
gear_system_type=0
[fuel]
Center1= 4.15, 0.0, -4.00, 2166.0, 6.1
Center2= 4.15, 0.0, -4.00, 790.0, 4.5 //ACT 1
Center3= 4.15, 0.0, -4.00, 790.0, 4.5 //ACT 2
LeftMain= 0.10, -19.6, 1.40, 1815.0, 6.0 //3.45
RightMain= 0.10, 19.6, 1.40, 1815.0, 6.0 //3.45
LeftAux= -7.00, -36.4, 2.20, 232.0, 0.0
RightAux= -7.00, 36.4, 2.20, 232.0, 0.0
fuel_type=2.0
number_of_tank_selectors=1
electric_pump=0
[flaps.0]
span-outboard=0.500000
extending-time=21.000000
system_type=1
type=1
flaps-position.0=0.000000,0.000000
flaps-position.1=0.0
flaps-position.2=10.0
flaps-position.3=14.0
flaps-position.4=21.0
flaps-position.5=25.0
lift_scalar=0.0
drag_scalar=0.0
[flaps.1]
type=2 // slats
span-outboard=0.95 // 0.0 .. 1.0
extending-time=21 // seconds
flaps-position.0=0
flaps-position.1=18,
flaps-position.2=18,
flaps-position.3=22,
flaps-position.4=22,
flaps-position.5=27,
blowout-speed=260 // KIAS
lift_scalar=0.10
drag_scalar=0.43
pitch_scalar=0.3
system_type=1
[flaps.2] //ailerons
type=2
span-outboard=0.85
extending-time=13.000
system_type=1
damaging-speed=233.000
blowout-speed=250.000
flaps-position.0=0.000,
flaps-position.1=0.000,
flaps-position.2=5.000,
flaps-position.3=5.000,
flaps-position.4=5.000,
flaps-position.5=5.000,
lift_scalar=0.25
drag_scalar=0.20
[flaps.3] //actual flaps
type=1
span-outboard=0.85
extending-time=21.000
system_type=1
damaging-speed=233.000
blowout-speed=250.000
flaps-position.0=0.000,
flaps-position.1=0.000,
flaps-position.2=10.000,
flaps-position.3=14.000,
flaps-position.4=21.000,
flaps-position.5=25.000,
lift_scalar=1.50 //0.66
drag_scalar=0.48
[jet_engine]
thrust_scalar=1.0
[turbineenginedata]
fuel_flow_gain=0.00247
inlet_area=29.3000
rated_N2_rpm=14950.000000
static_thrust=25233.000000 //CFM56-5B3 corrected value. Actual T/O 32000 MCP 29090.
afterburner_available=0
reverser_available=1
bypass_ratio=4.50
[flight_tuning]
elevator_effectiveness=1.0
pitch_stability=1.2
roll_stability=1.0
yaw_stability=1.0
aileron_trim_effectiveness=0.9
rudder_trim_effectiveness=1.1
cruise_lift_scalar = 1.35
parasite_drag_scalar=1.0
induced_drag_scalar=1.0
ja sam niko wrote in Wed Mar 26, 2014 7:47 pm:Thanks to your hints regarding the CG,I was able to lower the nose in the flight and to lower it well. The down side was that the take off speed for the A321 was 450 kts...so ....forget it.
daveculp wrote in Thu Mar 27, 2014 6:40 pm:Maybe this should be a new topic. I don't want to go through 55 pages of posts to find which particular FDM configuration file we are talking about.
Users browsing this forum: Google [Bot] and 2 guests