Lub dav hlau tsaws li cas ceev?
Lub dav hlau tsaws li cas ceev?

Video: Lub dav hlau tsaws li cas ceev?

Video: Lub dav hlau tsaws li cas ceev?
Video: Xob Tua Mekas 2 Lub Dav Hlau Ua Rog Txaus Ntshai Heev 29/7/2021 2024, Kaum ib hlis
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A: Feem ntau coj mus muag dav hlau tawm ntawm kwv yees li 160 txog 180 MPH. Q: Lub dav hlau ceev npaum li cas mus thaum tsaws? A: Kev lag luam dav hlau av ntawm kwv yees li 150 txog 165 MPH.

Ntawm no, qhov tsaws nrawm ntawm 747 yog dab tsi?

Kev nrawm sib txawv raws li kev ua tau zoo, ib puag ncig thiab qhov hnyav tab sis feem ntau yog tag nrho cov loaded 747 ntawm lub dav hlau ntev ntev yuav tawm ntawm txoj kev ntev ntev ntawm ib puag ncig. 160 luj yog 184mph. Ib tug raug loaded tag nrho 747 yuav tsaws ntawm ib ncig ntawm 25,0000kgs.

Tsis tas li ntawd, lub 777 tsaws ntawm qhov ceev yog dab tsi? Rau Boeing 777 -300ER, txoj hauv kev ceev yog hais txog 150 knots (172 mph; 277 km / h). Nws ua tau av ntawm qhov no ceev (thiab ntawm nws qhov siab tshaj plaws tsaws hnyav) siv li 6,500 feet ntawm kev khiav tawm.

Ib yam li ntawd, qhov tsaws nrawm ntawm 737 yog dab tsi?

Thaum max tsaws qhov hnyav (144, 000 phaus rau peb -800s), lub flaps 30 (degrees) Vref yog 150. Peb feem ntau ntxiv 5 pob rau qhov ntawd los tsim ib "lub hom phiaj ceev "ntawm 155 knots.

Vim li cas lub dav hlau ya ntawm 35000 ko taw?

Qhov "sweet spot" ntawm ya yog suav tias yog nruab nrab 35, 000 thiab 42,000 ko taw - siab dhau heev lawm thiab cov pa oxygen dhau sparse rau roj lub cav, tsawg dhau thiab huab cua tsis kam ntau dua. Qhov siab zoo no txuas nrog qhov hnyav li ib txwm ntawm lub dav hlau lag luam - uas yog, hnyav dua dav hlau ya qis dua, thiab sib dua siab dua.

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