
Ch06-H6927.tex 20/6/2007 16: 34 Page 171
Longitudinal Dynamics 171
Shinners, S.M. 1980: Modern Control System Theory and Application. Addison-Wesley
Publishing Co, Reading, Massachusetts.
Teper, G.L. 1969: Aircraft Stability and Control Data. Systems Technology, Inc., STI
Technical Report 176-1. NASA Contractor Report, National Aeronautics and Space
Administration, Washington D.C. 20546.
PROBLEMS
1. A tailless aeroplane of 9072 kg mass has an aspect ratio 1 delta wing of area
37 m
2
. The longitudinal short period motion of the aeroplane is described by
the characteristic quadratic:
λ
2
+Bλ + C = 0 where B =
1
2
dC
L
dα
cos
2
α and
C =−
1
2
μ
1
i
y
dC
m
dα
cos α.
α is