OK, I was hoping someone that really knew what was going on would answer
this, but it seems that isn't going to happen.
SO, Here goes.....
The reason for sweepback has to do with the high pressure sound wave
crossing the wing and the control surfaces.
If the wing is swept, only a small portion of the surface sees the pressure
wave as it crosses, if it isn't swept, the surface gets locked up or
buffeted by the wave.
So the sweep is needed for speeds nearing or transitioning through mach 1.0
The down side of sweep is that it creats huge amounts of span wise flow
across the wing which also increases the already huge tip vortices.
Anhedral helps counter act the span wise flow as well as diminishing the
stabilty that is created by the sweep.
Any additional info from someone who ha actually been involved with the
process would be extremely appreciated!
Mark Mech
[EMAIL PROTECTED]
www.aerofoam.com
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