Guys, this is *well past* the [OT]: point, please change the topic tag for
any further posts.  Should have sent this two days ago.  Thanks.

Dale
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"Curiosity is the very basis of education and if you tell me that
curiosity killed the cat, I say only the cat died nobly."
          - Arnold Edinborough


On Fri, 28 Jun 2002, Peter L. Peres wrote:

> On Thu, 27 Jun 2002, Brendan Moran wrote:
>
> >I think that there may be two separate discussions in progress here.  When
> >you mention stalling, Tony, you are speaking specifically of a wing stall,
> >rather than not having lift at all.  They are two different things.
>
> Stall is defined as the condition where the intended laminar flow around
> the aerofoil ceases being laminar to a great extent. It has almost nothing
> to do with wings or aircraft except the above mentioned aerodynamic
> condition just so happens to lower the wing efficiency (lift/drag ratio
> for that aoa) below what is acceptable for an aircraft for flying. Stall
> also affects other things, like turbine blades, fast-moving cutting tools
> in air or lubricant, fans, structures exposed to high speed air or gas
> or liquid flows, etc etc.
>
> As you have said, if the engines are powerfull enough you 'can't' stall.
> Also usually aerodynamic stall has a latching behavior, in that the
> transition between stalled and unstalled mode is abrupt in both
> directions.
>
> Peter
>
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