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Page Title:
Stability versus Maneuverability |
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|  Stability
T-45A/C TS, E2C2, ADV & IUT Aero-04
R.
Stability versus Maneuverability
Sg 2, fr 19
Stability vs
Maneuverability
1.
Aircraft design is tradeoff between many variables
including stability and maneuverability
2.
The balance determined based on many factors but
primarily dictated by aircraft mission
3.
Maneuverability implies a responsive aircraft that
may be less stable
a.
Transports mission dictates a very stable, and
therefore a less responsive design
b.
The fighter mission demands maximum
maneuverability, and therefore stability is less
important
c.
T-45 is between the fighter and transport
extremes
(1) Student training dictates a stable platform
(2) Lead in training for tactical fleet missions
require more maneuverability
4.
The relationship of longitudinal stability to
maneuverability is inverse
5.
The relative location of the CG and AC determine
the degree of longitudinal stability to maneuverability
that exists
6.
Displacement of the AC from the CG creates a
moment arm with the CG as the fulcrum
a.
The longer the moment arm, assuming the
force remains constant, the more stable and
less maneuverable the aircraft
b.
The shorter the moment arm the aircraft is more
controllable but less stable
(9-99) Original
Page 4-13
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