Ch 8 - MAC And CG Position

Question 1

MAC

Answer 1

Mean Aerodynamic Chord

Imaginary rectangular wing with the same pitching characteristics as the real wing

Remains constant - start and end points are fixed from the AC’s datum

Transport AC express CG as a %MAC

Question 2

LEMAC

Answer 2

The Leading edge position of the imaginary wing

Question 3

TEMAC

Answer 3

The trailing edge position of the imaginary wing

Question 4

CofG as % MAC

Answer 4

CG % MAC = CGarm - LEMAC/ MAC X100