Flight Mechanics UM318 (Continued)
Question 3..
25 points
Determine the free stick neutral point of the aircraft by using the data given in the table. Determine the
longitudinal static stability.
W/S = 800
[N/m²]
$ = 120 [m²]
AR = 9
$?/S = 0.35
$?/S = 0.45
? = 0.9
V? = 0.42
$\_u = -0.08$
[1/°]
$\_{m,u} = -0.03$ [1/°]
$\_{L,u} = -0.07$ [1/°]
$\_u = -0.02 + 0.42u$
$\_{u,0} = 6.0$
$\_{m,0} = -0.02$ [1/°]
$\_{L,0} = -0.03$ [1/°]
$(x_{u}/c) = 0.55$
$(x_{u}/c) = 0.35