Alex Goodman 
<4 “4 
10 x20 Zw is slope of Z’curve -taz0 By 
Mw is slope of M curve at ox 20 
W/U =W’ for small angles 
6 4 
12 3 
N 8 2s 
s 5 
pie alls a pee = 
8 fo] (ors 
er re ae 
_ -4 ‘ll 
Pcs abet 
A, Shes 
-(2 -3 
-16' 
-6 4 2 fo) 2 4 6 
Angle of Attack a in degrees 
Fig. 25. Typical curves of static force and 
moment versus body angle 
at Mg, is slope of neat 
M’ curve 
= 
= 
a 
7 
= 
i 
o 
= 
re 
= 
a 
CEE aac) 
ESSE b boli, 
“24 
-8 420 2 4 6 8 Sioule4ne 
ar Plane Angle §, in degrees Stern-Plane Angle 6, in degrees 
Fig. 26. Typical curves of static force ver- Fig. 27. Typical curves of static moment 
sus control-surface angle for various body versus control-surface angle for various 
angles. body angles 
