Division 3.11 Declaration of air drag value

Base value for the declaration of the air drag value is the final result for C_d · A_cr (0) as calculated by the air drag pre-processing tool. The applicant for a certificate shall declare a value C_d · A_declared in a range from equal up to a maximum of + 0,2 m² higher than C_d · A_cr (0). This tolerance shall take into account uncertainties in the selection of the parent vehicles as the worst case for all testable members of the family. The value C_d · A_declared shall be the input for the simulation tool and the reference value for conformity of the certified CO₂ emissions and fuel consumption related properties testing.

F1Several declared values C _d ·A _declared can be created based on a single measured C _d ·A _cr (0) as long as the family provisions in accordance with point 4 of Appendix 5 are fulfilled.