Piv txwv li, Boeing's kub-muag 777 dav-lub cev dav hlau uatsis muaj winglets. Raws li Gregg, qhov ntawd yog vim 777 ua haujlwm los ntawm thoob ntiaj teb terminals tsim rau cov dav hlau jumbo loj. Raws li qhov tshwm sim, Boeing pom qhov kev ua tau zoo uas nws tab tom nrhiav yam tsis xav tau kev txuas ntsug.
Vim li cas qee lub dav hlau tsis muaj tis?
Winglets yog upwardly khoov cov lus qhia ntawm lub dav hlau tis uas pab txo qis vortex luag. … Thaum cov dav hlau loj tau txais txiaj ntsig los ntawm tis ntev, tsis yog txhua lub dav hlau ua. Cov dav hlau me me, xws li cov dav hlau sib ntaus sib tua, tsis xav tau tis ntev, yog vim li cas tsis txhua lub dav hlau muaj winglets.
777X puas tuaj yeem ya nrog tis cov lus qhia nce?
Lub dav hlau tsim yog qhov xav tsis thoob: Folding wingtips yuav cia 777X haum ntawm lub tshav dav hlau rooj vag uas twb muaj lawm thaum tseem muab tis lub nqa lawv xav tau. Tus tshiab Boeing 777X nta wingtips uas quav.
Puas 747 puas muaj winglets?
Boeing tshaj tawm ib qho tshiab ntawm 747, 747-400, xyoo 1985, nrog rau kev nthuav dav thiab muaj peev xwm, siv kev sib xyaw ua ke ntawm winglets thiab nce ncua kom nqa cov khoom ntxiv. Cov winglets tau nce 747-400's ntau yam los ntawm 3.5% dhau ntawm 747-300, uas yog lwm yam aerodynamically zoo tib yam tab sis muaj tsis muaj winglets
Puas yog Boeing 777 loj dua 747?
Lub 777 yog ob qho tib si ntev dua li 747, nrog rau muaj tis ntev dua. Tsis xav tsis thoob, 777 luv dua li 747, txawm li cas los xij, nws tsis luv li koj xav tau, nws tsuas yog peb taw luv dua.
