diff --git a/MyLayout.ini b/MyLayout.ini index 0081d5d..6cd24e2 100644 --- a/MyLayout.ini +++ b/MyLayout.ini @@ -9,8 +9,8 @@ Size=400,400 Collapsed=0 [Window][Console] -Pos=0,757 -Size=1920,252 +Pos=0,644 +Size=1920,365 Collapsed=0 DockId=0x00000007,0 @@ -47,14 +47,13 @@ Size=159,77 Collapsed=0 [Window][Aircraft Selector] -Pos=0,734 -Size=1920,252 +Pos=1177,533 +Size=735,330 Collapsed=0 -DockId=0x00000004,1 [Window][###Project Editor:Inspector] -Pos=0,22 -Size=700,624 +Pos=0,-1 +Size=176,987 Collapsed=0 DockId=0x00000001,1 @@ -64,17 +63,21 @@ Size=600,104 Collapsed=0 [Window][###Project Editor] -Pos=0,22 -Size=147,733 +Pos=0,-1 +Size=176,987 Collapsed=0 DockId=0x00000001,0 [Window][###Aircraft Editor] +ViewportPos=0,23 +ViewportId=0x6DD024AE Pos=1106,36 Size=696,800 Collapsed=0 [Window][Asset Selector] +ViewportPos=0,23 +ViewportId=0x0FF1EE57 Pos=769,135 Size=400,500 Collapsed=0 @@ -90,8 +93,8 @@ Size=300,210 Collapsed=0 [Window][Containers] -Pos=143,114 -Size=1373,800 +Pos=1204,44 +Size=600,800 Collapsed=0 [Window][SDK Updates] @@ -109,10 +112,10 @@ Collapsed=0 Pos=0,547 Size=1920,439 Collapsed=0 -DockId=0x00000005,1 +DockId=0x00000006,1 [Window][FlightObjectsDisplay] -Pos=691,161 +Pos=691,138 Size=408,86 Collapsed=0 @@ -148,28 +151,24 @@ Size=657,302 Collapsed=0 [Window][Debug Aircraft Sim Info] -ViewportPos=876,458 -ViewportId=0x3DD03744 -Size=942,648 +Pos=1458,21 +Size=456,376 Collapsed=0 -DockId=0x00000002,2 [Window][Debug Aircraft Sim Curves] -Pos=131,151 +Pos=19,45 Size=1286,825 -Collapsed=0 +Collapsed=1 [Window][Debug Aircraft Engines] -Pos=62,19 -Size=1368,957 -Collapsed=0 +Pos=181,45 +Size=1738,963 +Collapsed=1 [Window][Debug Aircraft Sim Tuning] -ViewportPos=876,458 -ViewportId=0x3DD03744 -Size=942,648 +Pos=2,26 +Size=872,966 Collapsed=0 -DockId=0x00000002,3 [Window][Debug Aircraft Weight] Pos=486,77 @@ -187,8 +186,8 @@ Size=400,800 Collapsed=0 [Window][BehaviourDebug] -Pos=58,59 -Size=1026,595 +Pos=905,19 +Size=547,94 Collapsed=0 [Window][Position##Net Bing position window] @@ -207,9 +206,10 @@ Size=674,110 Collapsed=0 [Window][Wasm Debug] -Pos=292,76 -Size=1292,814 +Pos=0,621 +Size=1920,365 Collapsed=0 +DockId=0x00000007,0 [Window][###SDK launch alert] Pos=669,183 @@ -228,8 +228,8 @@ Size=428,1026 Collapsed=0 [Window][Sim] -Pos=149,22 -Size=1771,733 +Pos=0,-1 +Size=1920,987 Collapsed=0 [Window][###Scenery Editor] @@ -288,23 +288,19 @@ Collapsed=0 [Window][Debug Aircraft Tracking] ViewportPos=876,458 -ViewportId=0x3DD03744 +ViewportId=0x99C6B087 Size=942,648 Collapsed=0 -DockId=0x00000002,0 [Window][Debug Aircraft Data] -ViewportPos=876,458 -ViewportId=0x3DD03744 -Size=942,648 +Pos=976,118 +Size=934,628 Collapsed=0 -DockId=0x00000002,1 [Window][Debug Aircraft Speed] -Pos=3,0 -Size=756,564 +Pos=3,19 +Size=751,324 Collapsed=0 -DockId=0x00000002,1 [Window][Debug Aircraft Pitch] Pos=869,135 @@ -322,10 +318,9 @@ Size=1255,858 Collapsed=0 [Window][Debug Aircraft Wheels] -ViewportPos=6,1 -ViewportId=0xAB43E6E2 -Size=722,1026 -Collapsed=0 +Pos=179,22 +Size=722,984 +Collapsed=1 [Window][Debug Weather Sim] ViewportPos=148,657 @@ -342,7 +337,7 @@ Collapsed=0 Pos=0,815 Size=1920,194 Collapsed=0 -DockId=0x00000003,2 +DockId=0x8E673552,2 [Window][Exclusion debug] Pos=60,60 @@ -360,7 +355,7 @@ Size=461,138 Collapsed=0 [Window][###Project Editor:Export items] -Pos=560,204 +Pos=559,181 Size=800,600 Collapsed=0 @@ -472,7 +467,7 @@ Size=1000,170 Collapsed=0 [Window][Action StateMachine] -Pos=112,185 +Pos=112,162 Size=155,74 Collapsed=0 @@ -481,6 +476,11 @@ Pos=402,319 Size=562,248 Collapsed=0 +[Window][###Air Traffic Editor] +Pos=92,146 +Size=400,800 +Collapsed=0 + [Table][0xD2BDBE04,5] RefScale=16 Column 0 Width=30 Order=0 @@ -766,14 +766,17 @@ Column 5 Weight=1.0000 Column 6 Weight=1.0069 Column 7 Weight=1.0069 -[Docking][Data] -DockSpace ID=0x8E673552 Window=0x9A404470 Pos=0,45 Size=1920,987 Split=Y Selected=0x0E7087E1 - DockNode ID=0x00000006 Parent=0x8E673552 SizeRef=1920,733 Split=Y - DockNode ID=0x00000003 Parent=0x00000006 SizeRef=1920,733 Split=X - DockNode ID=0x00000001 Parent=0x00000003 SizeRef=147,987 Selected=0x4D53C840 - DockNode ID=0x00000002 Parent=0x00000003 SizeRef=1771,987 Split=X - DockNode ID=0x00000005 Parent=0x00000002 SizeRef=0,0 CentralNode=1 Selected=0x49278EEE - DockNode ID=0x00000008 Parent=0x00000002 SizeRef=821,928 Selected=0xB2CC244E - DockNode ID=0x00000004 Parent=0x00000006 SizeRef=1920,252 Selected=0xD8501777 - DockNode ID=0x00000007 Parent=0x8E673552 SizeRef=1920,252 Selected=0x49278EEE +[Table][0x65D5E428,2] +RefScale=16 +Column 0 Width=150 +Column 1 Weight=1.0000 + +[Docking][Data] +DockSpace ID=0x8E673552 Window=0x9A404470 Pos=0,45 Size=1920,987 Split=X Selected=0x0E7087E1 + DockNode ID=0x00000001 Parent=0x8E673552 SizeRef=176,987 Selected=0x4D53C840 + DockNode ID=0x00000002 Parent=0x8E673552 SizeRef=1742,987 Split=X + DockNode ID=0x00000005 Parent=0x00000002 SizeRef=0,0 Split=Y Selected=0x49278EEE + DockNode ID=0x00000006 Parent=0x00000005 SizeRef=1920,620 CentralNode=1 + DockNode ID=0x00000007 Parent=0x00000005 SizeRef=1920,365 Selected=0x49278EEE + DockNode ID=0x00000008 Parent=0x00000002 SizeRef=821,928 Selected=0xB2CC244E diff --git a/PackageDefinitions/xkhofmann-tfdidesign-md11-config-tweaks.xml b/PackageDefinitions/xkhofmann-tfdidesign-md11-config-tweaks.xml index f4c1114..bd3961b 100644 --- a/PackageDefinitions/xkhofmann-tfdidesign-md11-config-tweaks.xml +++ b/PackageDefinitions/xkhofmann-tfdidesign-md11-config-tweaks.xml @@ -29,3 +29,4 @@ + diff --git a/PackageSources/SimObjects/Airplanes/TFDi_Design_MD-11F_GE/flight_model.cfg b/PackageSources/SimObjects/Airplanes/TFDi_Design_MD-11F_GE/flight_model.cfg index ba0f941..20ff5d8 100644 --- a/PackageSources/SimObjects/Airplanes/TFDi_Design_MD-11F_GE/flight_model.cfg +++ b/PackageSources/SimObjects/Airplanes/TFDi_Design_MD-11F_GE/flight_model.cfg @@ -243,7 +243,8 @@ yaw_moment_roll_rate_mach_table = 0:0 elevator_scaling_table = -0.785:0.5, -0.524:0.85, -0.175:0.9, 0:1, 0.175:0.9, 0.524:0.85, 0.785:0.5 ; 0:1 aileron_scaling_table = -0.785:1 ;0:1 rudder_scaling_table = -0.785:0.5, -0.524:0.6, -0.175:0.9, 0:1, 0.175:0.9, 0.524:0.6, 0.785:0.5 ;0:1 -elevator_lift_coef=3 +//KH From 3 +elevator_lift_coef=4 rudder_lift_coef=2 aileron_load_factor_effectiveness_table = 0:1 lift_coef_at_drag_zero = 0.1 @@ -284,14 +285,15 @@ ground_crosswind_effect_zero_speed=10 ground_crosswind_effect_max_speed=150 ground_high_speed_steeringwheel_static_friction_scalar=1.5 ground_high_speed_otherwheel_static_friction_scalar=1.2 -//KH New ground physics +//KH START New ground physics ground_new_contact_model_gear_flex=0.0044 ground_new_contact_model_gear_flex_damping=7 -ground_new_contact_model_rolling_stickyness=0.25 +ground_new_contact_model_rolling_stickyness=0.15 ground_new_contact_model_up_to_speed_lateral=10000 ground_new_contact_model_up_to_speed_lateral_steering=10000 ground_new_contact_model_up_to_speed_longitudinal=10000 enable_high_accuracy_integration=1 +//KH END New ground physics [REFERENCE SPEEDS] full_flaps_stall_speed = 115 @@ -381,7 +383,7 @@ damaging-speed = 250 blowout-speed = 300 maneuvering_flaps = 0 lift_scalar = 0.5 -drag_scalar = 0.75 +drag_scalar = 0.475 pitch_scalar = 1 max_on_ground_position = 1 flaps-position.0 = 0, -1, 0 @@ -396,7 +398,7 @@ damaging-speed = 250 blowout-speed = 300 maneuvering_flaps = 0 lift_scalar = 0.5 -drag_scalar = 0.75 +drag_scalar = 0.475 pitch_scalar = 1 max_on_ground_position = 1 flaps-position.0 = 0, -1, 0 diff --git a/README.MD b/README.MD index e9acd13..575a50d 100644 --- a/README.MD +++ b/README.MD @@ -1,3 +1,9 @@ +# General +Changes are marked with a comment `//KH` and their respective original value +above the change itself. In cases where the original values were too large or +new sections were added, the changes are enclosed in `//KH START Modified` and +`//KH END Modified` comments. + # Adjustments - Dropped idle thrust so so that aircraft doesn't start rolling when not nearly empty @@ -26,14 +32,25 @@ - SDK conformance - Affected by `fuel_flow_gain` - Set to zero as the SDK indicated one ought to +- Full AND trim on climb and certain cruise conditions (aft CG, light weight) + - Affected by `elevator_lift_coef` + - Adjusted to increase AND trim effectiveness + - I am unsure if this is truly a fix or my tests lead me astray + - Adjustment is not a complete fix +- Slat drag and approach N1 + - Affected by slat drag + - Lowered `drag_scalar` # Additions - New ground contact model # Observations +## General All test are done at SL (EHAM) and ISA (15C, 1013.25 hPa) unless otherwise noted. +## Engines +### General The defined N1 and N2 max values are too low. as per EASA TCDS, the CF6-80C2D1F has a N1 max of 117.5 and a N2 max of 112.5. I do not know why the lower limits were chosen, it may be in our interest to adjust this to the actual limits. @@ -68,6 +85,41 @@ altitude remains to low. Adjusting to where high altitude looks reasonable will produce far too high SL temperatures, going so far as to reach above 1100 degrees Celsius. -# TODO -- AND trim issue -- Slat drag and pitch up moment upon retraction \ No newline at end of file +### Approach N1 +A rough formula for 3° approach N1 at F35 is `GW (in metric tonnes) / 10 + 52`. +A MLW aircraft with ~205t would hence require ~72.5 N1. The current N1 is above +80. + +## Trim +There have been reports of flights where the aircraft was not able to keep +attitude with full AND trim. In essence, the APT would trim full AND, but the +pitch kept rising. These flights were conducted with differing payloads, all of +which set by the EFB, thus ensuring a valid CG. +Given the MD-11 far back placement of the wing and the subsequent 1° AND vs. +15.5° ANU trim limits, most flights would never use all of the AND trim +authority. There seems to be some issue here. + +## Slat drag +Users reported a strong pitch up momentum upon slat retraction, strong enough +at times that sever trim changes were required. This ties in with the Trim +issue noted above, where AND trim authority was not sufficient. +I attribute this to in parts the drag the slats exhibit, the resulting slow +speed increase suddenly shifting to a rather large speed increase hence +requiring large trim inputs. Smoothing out the speed changes would lessen the +effect. +On a more personal side note, I can't see how the slats would create this +amount of drag to begin with. + +## Approach attitude +Approach attitude should be (as per Centurion Cargo FCOM): +- F35, CG of 12% + - 2.5°: Body angle of ~6.1° + - 3.0°: Body angle of ~5.6° + - 3.5°: Body angle of ~5.1° +- F35, CG of 34% + - 2.5°: Body angle of ~4.7° + - 3.0°: Body angle of ~4.2° + - 3.5°: Body angle of ~3.9° +No weight is given I assumed MLW of 204.8t. + +Current attitude is ~0.5 to 1.5 degrees too low \ No newline at end of file diff --git a/References/MD11 throttle bug.xlsx b/References/MD11 throttle bug.xlsx index 61b5851..6e57d59 100644 Binary files a/References/MD11 throttle bug.xlsx and b/References/MD11 throttle bug.xlsx differ diff --git a/xkhofmann-tfdidesign-md11-config-tweaks.xml b/xkhofmann-tfdidesign-md11-config-tweaks.xml index 73ab826..9badb70 100644 --- a/xkhofmann-tfdidesign-md11-config-tweaks.xml +++ b/xkhofmann-tfdidesign-md11-config-tweaks.xml @@ -8,3 +8,4 @@ +