Table 1. Geometrical specifications of DA-40NG, C-172 Skyhawk, and SR-20 aircraft used in the reverse modeling design

Comparison of aircraft dimensional data
Aircraft	DA-40NG	C-172S	SR-20
Length(m)	8.06	8.28	7.92
Wing span(m)	11.63	11.0	11.67
Height(m)	1.97	2.72	2.70
MAC(m)	1.171	1.63(root)1.13(tip)	1.23
AR	10.223	7.5	9.0
Wing area(m2)	13.224	16.2	12.56
Wing twist	N/A	1.5° at root-1.5° at tip	N/A
Dihedral	5deg	1.7deg	No data
LE Sweep(deg)	1	0	0
Airfoil type	WortmannFX63-137/20MOD(DA40NG)NACA2412(C-172), Roncz(SR-20)