Significado
O envelope de voo é uma representação gráfica da capacidade de uma aeronave se manter em uma condição de voo reto e nivelado em uma determinada velocidade e altitude.
Meaning
In aerodynamics, the flight envelope or performance envelope of an aircraft refers to the capabilities of a design in terms of speed and altitude. The term is somewhat loosely applied, and can also refer to other measurements such as maneuverability. When a plane is pushed, for instance by diving it at high speeds, it is said to be flown "outside the envelope", something considered rather dangerous. (http://www.associatepub...)
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