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fix: Move cg further aft #7691

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merged 13 commits into from
Jan 11, 2023
Merged

fix: Move cg further aft #7691

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b715a07
Update CHANGELOG.md
donstim Jan 7, 2023
44c1945
Update flight_model.cfg
donstim Jan 7, 2023
31e1e9b
Update flight_model.cfg
donstim Jan 7, 2023
a18eb00
Update flight_model.cfg
donstim Jan 7, 2023
999c15c
Update A32NX_PayloadManager.js
donstim Jan 7, 2023
a6188a9
Update CHANGELOG.md
donstim Jan 7, 2023
54b44b7
Update a20nv55.json
donstim Jan 7, 2023
a2c591f
Update Payload.tsx
donstim Jan 7, 2023
68142eb
Merge branch 'master' into fix-move-cg-further-aft
donstim Jan 7, 2023
21d5b59
Merge branch 'master' into fix-move-cg-further-aft
donstim Jan 9, 2023
122c524
Merge branch 'master' into fix-move-cg-further-aft
donstim Jan 11, 2023
338a947
Merge branch 'master' into fix-move-cg-further-aft
Saschl Jan 11, 2023
43be0a2
Merge branch 'master' into fix-move-cg-further-aft
Saschl Jan 11, 2023
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3 changes: 2 additions & 1 deletion .github/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
1. [SEC] Fix GND SPLR logic, add missing GND SPLR partial extension condition - @lukecologne (luke)
1. [FMGC] Improved importing flight plans from MSFS World Map - @frankkopp (Frank Kopp)
1. [EFB] Added boarding time indication to Payload page - @ChristianLutzCL (Christian Lutz) @frankkopp (Frank Kopp)
1. [FLIGHT MODEL/EFB] Modified empty weight cg and loading station/fuel tank locations - @donstim (donbikes#4084)

## 0.9.0

Expand Down Expand Up @@ -1156,4 +1157,4 @@
1. [DCDU] Fixed MSG- and MSG+ button labels - @tyler58546 (tyler58546)
1. [ISIS] Fixed issue where ISIS was allowing a bug to be set while in the OFF state - Patrick Macken (@Pat M on
Discord)
1. [EFB] Added estimated boarding time to Payload screen - @ChristianLutzCL (Christian Lutz)
1. [EFB] Added estimated boarding time to Payload screen - @ChristianLutzCL (Christian Lutz)
35 changes: 14 additions & 21 deletions flybywire-aircraft-a320-neo/SimObjects/AirPlanes/FlyByWire_A320_NEO/flight_model.cfg
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@@ -1,9 +1,3 @@

;For future reference:
; Left/ Right Aux Tanks: 228 total/ 0 unusable USG
; Left/ Right Main Tanks: 1823.75 total/ 7.75 unusable USG
; Center Tank: 2185.16 total/ 6.1 unusable USG

[VERSION]
major = 1
minor = 0
Expand All @@ -12,8 +6,7 @@ minor = 0
max_gross_weight = 174165 ; Maximum takeoff weight, (LBS)
empty_weight = 93697 ; Empty weight, (LBS); Includes weight to account for crew, pantry, galleys, lavs, potable water, emergency equipment etc.
reference_datum_position = 0, 0, 0 ; Position of reference datum relative to FS(0,0,0) (FEET), z, x, y
; adjust empty weight CG position to ensure 25% MAC at Empty Weight
empty_weight_CG_position = -8.75, 0, 0 ; Position of airplane empty weight CG relative to reference datum (FEET), z, x, y
empty_weight_CG_position = -9.42, 0, 0 ; Position of airplane empty weight CG relative to reference datum (FEET), z, x, y 30% CG
CG_forward_limit = 0.16 ; Gravity center forward limit (longitudinal offset) for longitudinal stability
CG_aft_limit = 0.4 ; Gravity center after limit (longitudinal offset z) w.r.t reference datum for longitudinal stability (FEET)
empty_weight_pitch_MOI = 2453714 ; Empty pitch moment of inertia, Jxx (SLUG SQ FEET)
Expand All @@ -34,16 +27,16 @@ activate_cg_limit_based_on_mach = 0 ; Activate cg limitation depending on mach v
; Passenger baggage weight of 20 kg/pax is also added, making total pax + baggage weight = 104 kg/pax (i.e. Passenger weight on Simbrief)
; Starting load is 50% of capacity
max_number_of_stations = 10 ; Number of payload stations
station_load.0 = 3300, 21.98, 0, 5, ECONOMY ROWS 1-6 (seats: 36 max: 6670lbs/3024kg), 0
station_load.1 = 3850, 2.86, 0, 5.1, ECONOMY ROWS 7-13 (seats: 42 max: 7780lb/3530kg), 0
station_load.2 = 4400, -15.34, 0, 5.3, ECONOMY ROWS 14-21 (seats: 48 max: 8880lb/4032kg), 0
station_load.3 = 6600, -32.81, 0, 5.5, ECONOMY ROWS 22-29 (seats: 48 max: 8880lb/4032kg), 0
station_load.4 = 2800, 18.28, 0, 0.9, FWD BAGGAGE/CONTAINER (max: 7500lb/3402kg), 0
station_load.5 = 1950, -15.96, 0, 1, AFT CONTAINER (max: 5350lb/2426kg), 0
station_load.6 = 1700, -27.10, 0, 1.2, AFT BAGGAGE (max: 4650lb/2110kg), 0
station_load.7 = 1300, -37.35, 0, 1.4, AFT BULK/LOOSE (max: 3300lb/1497kg), 0
station_load.8 = 1, 42.36, 0, 0, PILOT, 1
station_load.9 = 1, 42.36, 0, 0, CO-PILOT, 2
station_load.0 = 3300, 20.0, 0, 5, ECONOMY ROWS 1-6 (seats: 36 max: 6670lbs/3024kg), 0
station_load.1 = 3850, 0.9, 0, 5.1, ECONOMY ROWS 7-13 (seats: 42 max: 7780lb/3530kg), 0
station_load.2 = 4400, -17.3, 0, 5.3, ECONOMY ROWS 14-21 (seats: 48 max: 8880lb/4032kg), 0
station_load.3 = 6600, -36.3, 0, 5.5, ECONOMY ROWS 22-29 (seats: 48 max: 8880lb/4032kg), 0
station_load.4 = 2800, 16.3, 0, 0.9, FWD BAGGAGE/CONTAINER (max: 7500lb/3402kg), 0
station_load.5 = 1950, -25.1, 0, 1, AFT CONTAINER (max: 5350lb/2426kg), 0
station_load.6 = 1700, -35.1, 0, 1.2, AFT BAGGAGE (max: 4650lb/2110kg), 0
station_load.7 = 1300, -44.4, 0, 1.4, AFT BULK/LOOSE (max: 3300lb/1497kg), 0
station_load.8 = 1, 40.7, 0, 0, PILOT, 1
station_load.9 = 1, 40.7, 0, 0, CO-PILOT, 2

[CONTACT_POINTS]
static_pitch = -0.2 ; degrees, pitch when at rest on the ground (+=Up, -=Dn)
Expand Down Expand Up @@ -96,11 +89,11 @@ fuel_type = 2 ; 1 = OCTANE 100, 2 = JET_A, 3 = OCTANE 80, 4 = AUTO GAS, 5 = JET
APU.1 = Name:APU#FuelBurnRate:33
Engine.1 = Name:LeftEngine#Index:1
Engine.2 = Name:RightEngine#Index:2
Tank.1 = Name:Center#Title:TT:MENU.FUEL.CENTER#Capacity:2179#UnusableCapacity:0#Position:-6,0,1#Priority:1#OutputOnlyLines:TankCenterToCenterTankPump1,TankCenterToCenterTankPump2
Tank.1 = Name:Center#Title:TT:MENU.FUEL.CENTER#Capacity:2179#UnusableCapacity:0#Position:-4.5,0,1#Priority:1#OutputOnlyLines:TankCenterToCenterTankPump1,TankCenterToCenterTankPump2
Tank.2 = Name:LeftInner#Title:TT:MENU.FUEL.LEFT_INNER#Capacity:1816#UnusableCapacity:0#Position:-8,-13,2#Priority:2#InputOnlyLines:Eng1ToTank2,Xfer1ToTank2,Xfer1ToTank2_2#OutputOnlyLines:TankLeftToLeftTankPump1,TankLeftToLeftTankPump2
Tank.3 = Name:RightInner#Title:TT:MENU.FUEL.RIGHT_INNER#Capacity:1816#UnusableCapacity:0#Position:-8,13,2#Priority:2#InputOnlyLines:Eng2ToTank3,Xfer2ToTank3,Xfer2ToTank3_2#OutputOnlyLines:TankRightToRightTankPump1,TankRightToRightTankPump2
Tank.4 = Name:LeftOuter#Title:TT:MENU.FUEL.LEFT_OUTER#Capacity:228#UnusableCapacity:0#Position:-13,-27,3#Priority:3#OutputOnlyLines:Tank4ToXfer1,Tank4ToXfer1_2
Tank.5 = Name:RightOuter#Title:TT:MENU.FUEL.RIGHT_OUTER#Capacity:228#UnusableCapacity:0#Position:-13,27,3#Priority:3#OutputOnlyLines:Tank5ToXfer2,Tank5ToXfer2_2
Tank.4 = Name:LeftOuter#Title:TT:MENU.FUEL.LEFT_OUTER#Capacity:228#UnusableCapacity:0#Position:-17.6,-27,3#Priority:3#OutputOnlyLines:Tank4ToXfer1,Tank4ToXfer1_2
Tank.5 = Name:RightOuter#Title:TT:MENU.FUEL.RIGHT_OUTER#Capacity:228#UnusableCapacity:0#Position:-17.6,27,3#Priority:3#OutputOnlyLines:Tank5ToXfer2,Tank5ToXfer2_2
Line.1 = Name:TankCenterToCenterTankPump1#Source:Center#Destination:CenterTankPump1
Line.2 = Name:TankLeftToLeftTankPump1#Source:LeftInner#Destination:LeftInnerTankPump1
Line.3 = Name:TankRightToRightTankPump1#Source:RightInner#Destination:RightInnerTankPump1
Expand Down
22 changes: 11 additions & 11 deletions flybywire-aircraft-a320-neo/html_ui/Pages/A32NX_Core/A32NX_PayloadManager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ class A32NX_PayloadConstructor {
pax: 0,
paxTarget: 0,
stationIndex: 0 + 1,
position: 21.98,
position: 20.0,
seatsRange: [1, 36],
simVar: "A32NX_PAX_TOTAL_ROWS_1_6"
},
Expand All @@ -19,7 +19,7 @@ class A32NX_PayloadConstructor {
pax: 0,
paxTarget: 0,
stationIndex: 1 + 1,
position: 2.86,
position: 0.9,
seatsRange: [37, 78],
simVar: "A32NX_PAX_TOTAL_ROWS_7_13"
},
Expand All @@ -30,7 +30,7 @@ class A32NX_PayloadConstructor {
pax: 0,
paxTarget: 0,
stationIndex: 2 + 1,
position: -15.34,
position: -17.3,
seatsRange: [79, 126],
simVar: "A32NX_PAX_TOTAL_ROWS_14_21"
},
Expand All @@ -41,7 +41,7 @@ class A32NX_PayloadConstructor {
pax: 0,
paxTarget: 0,
stationIndex: 3 + 1,
position: -32.81,
position: -36.3,
seatsRange: [127, 174],
simVar: "A32NX_PAX_TOTAL_ROWS_22_29"
},
Expand All @@ -53,7 +53,7 @@ class A32NX_PayloadConstructor {
weight: Math.round(NXUnits.kgToUser(3402)),
load: 0,
stationIndex: 4 + 1,
position: 18.28,
position: 16.3,
visible: true,
simVar: 'A32NX_CARGO_FWD_BAGGAGE_CONTAINER',
},
Expand All @@ -62,7 +62,7 @@ class A32NX_PayloadConstructor {
weight: Math.round(NXUnits.kgToUser(2426)),
load: 0,
stationIndex: 5 + 1,
position: -15.96,
position: -25.1,
visible: true,
simVar: 'A32NX_CARGO_AFT_CONTAINER',
},
Expand All @@ -71,7 +71,7 @@ class A32NX_PayloadConstructor {
weight: Math.round(NXUnits.kgToUser(2110)),
load: 0,
stationIndex: 6 + 1,
position: -27.10,
position: -35.1,
visible: true,
simVar: 'A32NX_CARGO_AFT_BAGGAGE',
},
Expand All @@ -80,7 +80,7 @@ class A32NX_PayloadConstructor {
weight: Math.round(NXUnits.kgToUser(1497)),
load: 0,
stationIndex: 7 + 1,
position: -37.35,
position: -44.4,
visible: true,
simVar: 'A32NX_CARGO_AFT_BULK_LOOSE',
},
Expand All @@ -98,11 +98,11 @@ const MAX_SEAT_AVAILABLE = 174;
*/
function getZfwcg() {

const leMacZ = -5.386; // Accurate to 3 decimals, replaces debug weight values
const macSize = 13.454; // Accurate to 3 decimals, replaces debug weight values
const leMacZ = -5.383; // Accurate to 3 decimals, replaces debug weight values
const macSize = 13.464; // Accurate to 3 decimals, replaces debug weight values

const emptyWeight = (SimVar.GetSimVarValue("EMPTY WEIGHT", getUserUnit()));
const emptyPosition = -8.75; // Value from flight_model.cfg
const emptyPosition = -9.42; // Value from flight_model.cfg
const emptyMoment = emptyPosition * emptyWeight;
const PAX_WEIGHT = SimVar.GetSimVarValue("L:A32NX_WB_PER_PAX_WEIGHT", "Number");

Expand Down
22 changes: 11 additions & 11 deletions src/instruments/src/EFB/Ground/Pages/Payload/Loadsheet/a20nv55.json
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
{
"specs": {
"prefix": "A32NX",
"emptyPosition": -8.75,
"macSize": 13.454,
"leMacZ": -5.386,
"emptyPosition": -9.42,
"macSize": 13.464,
"leMacZ": -5.383,
"weights": {
"maxZfw": 64300,
"minZfw": 42500
Expand Down Expand Up @@ -288,7 +288,7 @@
],
"index": 0,
"stationIndex": 1,
"position": 21.98,
"position": 20.0,
"fill": 0.19,
"simVar": "A32NX_PAX_TOTAL_ROWS_1_6"
},
Expand Down Expand Up @@ -606,7 +606,7 @@
],
"index": 1,
"stationIndex": 2,
"position": 2.86,
"position": 0.9,
"fill": 0.25,
"simVar": "A32NX_PAX_TOTAL_ROWS_7_13"
},
Expand Down Expand Up @@ -968,7 +968,7 @@
],
"index": 2,
"stationIndex": 3,
"position": -15.34,
"position": -17.3,
"fill": 0.28,
"simVar": "A32NX_PAX_TOTAL_ROWS_14_21"
},
Expand Down Expand Up @@ -1331,7 +1331,7 @@
"fill": 0.28,
"index": 3,
"stationIndex": 4,
"position": -32.81,
"position": -36.3,
"simVar": "A32NX_PAX_TOTAL_ROWS_22_29"
}
],
Expand All @@ -1341,7 +1341,7 @@
"weight": 3402,
"index": 0,
"stationIndex": 5,
"position": 18.28,
"position": 16.3,
"progressBarWidth": 160,
"simVar": "A32NX_CARGO_FWD_BAGGAGE_CONTAINER"
},
Expand All @@ -1350,7 +1350,7 @@
"weight": 2426,
"index": 1,
"stationIndex": 6,
"position": -15.96,
"position": -25.1,
"progressBarWidth": 100,
"simVar": "A32NX_CARGO_AFT_CONTAINER"
},
Expand All @@ -1359,7 +1359,7 @@
"weight": 2110,
"index": 2,
"stationIndex": 7,
"position": -27.1,
"position": -35.1,
"progressBarWidth": 100,
"simVar": "A32NX_CARGO_AFT_BAGGAGE"
},
Expand All @@ -1368,7 +1368,7 @@
"weight": 1497,
"index": 3,
"stationIndex": 8,
"position": -37.35,
"position": -44.4,
"progressBarWidth": 100,
"simVar": "A32NX_CARGO_AFT_BULK_LOOSE"
}
Expand Down
4 changes: 2 additions & 2 deletions src/instruments/src/EFB/Ground/Pages/Payload/Payload.tsx
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Expand Up @@ -519,9 +519,9 @@ export const Payload = () => {
}, [boardingStarted]);

useEffect(() => {
const centerTankMoment = -6;
const centerTankMoment = -4.5;
const innerTankMoment = -8;
const outerTankMoment = -13;
const outerTankMoment = -17.6;
// Adjust ZFW CG Values based on payload
const newZfw = emptyWeight + totalPax * paxWeight + totalCargo;
const newZfwDesired = emptyWeight + totalPaxDesired * paxWeight + totalCargoDesired;
Expand Down