[elektro-etc] Blackbird

[Xorn]

Egy dolog a kobra, a másik az, hogy ebben a lehetetlen állásszögben
tartósan repülni tudjon. A 29-es az utóbbit is tudja, a
helikopterekkel.

Best regards,
Andy

On Wed, Dec 24, 2014 at 10:01 AM, Kaczmarek Edvard
<edk-elektro at babakezek.hu> wrote:
>
>> Azt nem tudom kapásból megmondani, hogy a "sima" hajtóműves
>> példányokkal is tudnak-e ilyen helikopteres kötelékrepülést csinálni.
>
>
> A kobrát meg tudja csinálni a sima 29-es thrust vectoring nélkül.
>
> when performing a maneuver like Pugachev's Cobra the aircraft will stall as
> the nose pitches up and the airflow over the wing becomes separated, but
> naturally nose down even from a partially inverted position, allowing the
> pilot to recover complete control.
>
> The Cobra, as performed by non-thrust vectoring aircraft, still depends on
> the aircraft moving through air; however, it does not involve the aircraft's
> aerodynamic surfaces and normal laminar airflow, but rather the whole
> airframe as a solid shape travelling through air, and its center of gravity
> in relation to the thrust vector. Being performed under conditions far
> beyond normal aerodynamic control and well into a stall without thrust
> vectoring, this is a form of passive supermaneuverability, possible because
> of aircraft design rather than thrust vectoring, which provides a way to
> actively control the aircraft well outside of the normal flight envelope.
>
> Ed
>