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|  Stability
T-45A/C TS, E2C2, ADV & IUT Aero-04
F.
Thickness is the cross sectional height of airfoil
Sg 2, fr 8
measured perpendicular to chordline
Thickness
G.
Swept Wings
1.
Advantage over straight wing
a.
Delays onset of all compressibility effect
Delays critical Mach (Mcrit) and force divergence
b.
Mach number
Sg 2, fr 9
Fig 4: Swept Wing
Tip Stall (2 overlays)
c.
Lower aspect ratio results in higher speed
capability less parasite drag
Figure 4: SWEPT WING TIP STALL
2.
Disadvantage over straight wing
Overlay 1
a.
Tip stall from wing sweep and taper
b.
Loss of ailerons at stall (some aircraft)
c.
Negative longitudinal stability or pitch up at high
AOA
(9-99) Original
Page 4-7
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