Maybe it is me who now really would need some crash course in aviation, but:
Is flying in a spiral not something you would do in some intentional way?
(Opposite to the spin situation, because this is kind of uncontrolled.
Or you "have to do something".)
So in which sense would you have to "recover" from the spiral?
I read this before, btw:
"But whoever cares, really? We all know what we're talking about.
Especially when you have to use the instrument in order to deliver
yourself and your passengers from a death spiral."
So what is this spiral? A situation when the plane is spinning, even a
stall (interruption of air flow), or what else?
(Please enlighten me, and then I will ask Anders H. "what to do". ;-)
Best,
Stefan
----- Mensagem de Fons Adriaensen <[email protected]> ---------
Data: Tue, 21 Feb 2023 21:45:38 +0100
De: Fons Adriaensen <[email protected]>
Assunto: Re: [Sursound] So long CIPIC HRTF?
Para: [email protected]
On Tue, Feb 21, 2023 at 07:08:51PM +0000, Stefan Schreiber wrote:
I am just “sharing” what a Swedish pilot and aviation engineer wrote to me,
discussing and clarifying your problem(s)... ;-)
We were not discussing spins, either upright or inverted.
A 'spiral', very different from any spin, was mentioned,
and Sampo seemed to think that recovery from that would
require regaining speed. The opposite is true, as in a
spiral your airspeed will increase [1]. Unless you recover,
there are two ways in which it can end: by smashing into
the ground, by or structural breakdown as the result of
excessive speed.
So as part of spiral recovery, you need to reduce speed.
[1] As it will during any turn, unless you compensate
by pulling the stick to maintain altitude.
Ciao,
--
FA
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