Snaps
george kennie
geobet at gis.net
Thu Apr 15 09:14:37 AKDT 2004
Robert,
You're a Hoot!
BTW, I think you're doing a fantastic job as District VP!
RUDDERCABL at aol.com wrote:
> In a message dated 4/14/2004 7:26:42 PM Eastern Standard Time,
> jbudd at QNET.COM writes:
>
>
> A wing is stalled when the lift curve slope changes sign,
> meaning
> that a further increase in angle of attack (AOA) results in
> a
> reduction in lift, due to increased separation of the
> airflow
> disrupting the pressure distribution over the top of the
> wing. The
> AOA (also refered to as "alpha" in the flight test world) at
> which
> the lift curve slope changes from positive to negative is
> where the
> maximum lift coefficient (CL-max) of the wing (or vehicle)
> is reached
> and is typically found to occur around 18 to 30 degrees
> alpha. It's
> a function of a whole lot of things like aspect ratio,
> planform,
> control surface deflection, Reynolds #, Mach#, etc. It is
> NOT a
> function of airspeed.
>
> But I digress...
>
> WOW Buddman! That was great! Can you give it to me in redneck? Your
> redneck palRobert
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