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Performante de zbor

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AEROCLUBUL ROMÂNIEI<br />

Pe aceste consi<strong>de</strong>rente, constructorul limiteaza prin manualul <strong>de</strong><br />

exploatare in <strong>zbor</strong> efectuarea activitatii <strong>de</strong> <strong>de</strong>colare peste anumite limite ale<br />

vantului, astfel, spre exemplu, la avionul Zlin 726, componenta <strong>de</strong> fata a vantului<br />

maxim admisa este <strong>de</strong> 15 m/sec., iar cea perpendiculara pe directia <strong>de</strong> <strong>de</strong>colare<br />

este <strong>de</strong> 10 m/sec.<br />

Fig 2.5. Efectul vantului la <strong>de</strong>colare (<strong>de</strong> fata, calm, <strong>de</strong> spate)<br />

Efectul altitudinii <strong>de</strong>nsimetrice<br />

Densitatea aerului sca<strong>de</strong> pe masura ce creste altitudinea, astfel ca <strong>zbor</strong>ul<br />

va fi influentat <strong>de</strong> acest element, iar altitudinea <strong>de</strong>nsimetrica va influeta indicatiile<br />

la altimetru. Astfel, daca in inaltime, presiunea este mai mica <strong>de</strong>cat cea standard,<br />

altimetru va indica o inaltime mai mare <strong>de</strong>cat o avem in realitate, situatie ce<br />

<strong>de</strong>vine periculoasa la aterizare.<br />

Fig 2.6. Efectul urcarii functie <strong>de</strong> <strong>de</strong>nsitate<br />

<strong>Performante</strong> <strong>de</strong> <strong>zbor</strong> si planificarea <strong>zbor</strong>ului februarie 2011<br />

<strong>Performante</strong> 21

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