Acura iRacing ARX-06 GTP User Manual page 15

ACURA ARX-06 GTP // AERO SETTINGS
L/D
The "L/D" value is the ratio of Lift (downforce) to Drag. This quantifies how efficiently the car's bodywork is producing downforce in
terms of how much drag is being produced as a result. A higher L/D value means more downforce is being produced for each unit
of drag, meaning the bodywork is being more efficient. Having a higher L/D value without sacrificing overall downforce will result in
a faster, more efficient car. Optimum values for L/D can vary based on the aerodynamic configuration and track type.
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ACU R A AR X-0 6 G T P // US ER M AN UA L