2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev tsaws hnyav tuaj yeem tshwm sim los ntawm huab cua, teeb meem tshuab, lub dav hlau hnyav dhau, kev txiav txim siab tsav thiab / lossis kev tsav tsheb yuam kev. … Autorotation, uas airflow hla lub rotors ua kom lawv tig thiab muab qee qhov nqa, tuaj yeem tso cai txwv kev tsav tsheb thaum lub sij hawm qhovntsej thiaj tsis mob.
Vim li cas qee lub dav hlau tsaws tsoo?
tsis pom kev zoo yog qhov kev sib twRaws li Siivola, yog tias tus kws tsav dav hlau siv los tsaws rau ntawm txoj kev khiav uas muaj qhov dav, qhov siab yuav tshwm sim siab dua. tshaj li niaj zaus thaum txoj kev khiav yog nqaim, piv txwv li. Nws hais tias "Qhov no, cov neeg caij tsheb tuaj yeem ntsib kev tsaws tsaws," nws hais.
Vim li cas thiaj tsaws qhov phom sij tshaj plaws ntawm lub davhlau?
Qhov txaus ntshai tshaj plaws ntawm kev ya davhlau tshwm sim thaum lub sijhawm kawg thiab tsaws. Nws tsuas yog plaub feem pua ntawm lub davhlau, tab sis nws suav nrog 49 feem pua ntawm cov xwm txheej tuag. Ib qho yog vim li cas ntawm qhov dav hlau ze npaum li cas rau hauv av.
Puas yog dav hlau tsaws rough?
Tshaj qhov txwv - nws tshwm sim. Yog li, muaj ntau yam laj thawj vim li cas qhov kev tsaws tuaj yeem nyuaj dua li cov neeg caij tsheb tau xav txog. Qhov tseem ceeb uas yuav tsum nco ntsoov yog tias qhov no feem ntau tsis muaj dab tsi txhawj txog. Txawm tias tsaws uas xav tias ntxhib heev yog ib txwm zoo nyob rau hauv kev txwv dav hlau ua haujlwm.
Yuav tsaws nyuaj zoo?
Boeing txhais "kev tsaws nyuaj" kom yog ib qho kev tsaws uas yuav ua raunyob rau hauv ib qho kev txwv tsis pub dhau ntawm lub dav hlau los yog tsaws iav, nrog rau lub dab dej ntawm 10 feet ib ob nrog xoom yob ntawm touchdown. Qhov ntawd yuav yog qhov poob loj, ntau tshaj li xya mus rau yim taw ib pliag. Kev tsaws nyuaj yeej tsis ua li cas, hais tias Brady.
Pom zoo:
Puas tawm ntawm lub dav hlau dav hlau?
"Tawm hauv Dav Hlau" yog ib zaj nkauj sau thiab sau los ntawm tus neeg hu nkauj-songwriter John Denver xyoo 1966, Ameslikas suav nrog nws qhov debut demo kaw John Denver Sings li "Babe Kuv Hate To Go". Nws tau ua ntau daim ntawv luam thiab muab rau lawv ua khoom plig rau Christmas xyoo ntawd.
Pob dav dav dav dav tsiv teb tsaws chaw?
Nthuav dav Hawks yog ib qho ntawm ntau tshaj migratory buteos hauv North America. Broad-winged Hawks yog cov neeg tsiv teb tsaws chaw ntev, ntau yam yug hauv Canada thiab lub caij ntuj no hauv Brazil. Ntawm kev tsiv teb tsaws chaw, Broad-winged Hawks taug kev hauv pab pawg ntau pua thiab qee zaum txhiab tus noog.
Nyob hauv dav hlau thiab tawm ntawm lub dav hlau buckling?
Nyob rau hauv dav hlau dabtsi yog khoov lub sij hawm txhais tau hais tias lub phaj khoov nyob rau hauv nws tus kheej lub dav hlau xws li ib tug shear phab ntsa nrog kab rov tav thiab ntsug quab yuam uas yog siv rau nws lub dav hlau thiab yog li tsim nyob rau hauv lub dav hlau khoov lub sij hawm.
Kev siv lub teeb pom kev dav dav dav dav li cas?
Kev siv lub teeb pom kev dav dav dav dav li cas yog qhov tseeb rau hmo ntuj? Txo lub teeb pom kev sab hauv kom tsawg kawg. Dab tsi yog cockpit teeb? Cockpit teeb tuaj nyob rau hauv ntau yam duab thiab qhov ntau thiab tsawg. High-brightness halogen lossis cov pa taws nyeem cov teeb pom kev tuaj yeem ntsia tau rau hauv lub qab nthab cockpit.
Vim li cas siv lub dav hlau dav hlau?
Ib lub dav hlau yog lub hom phiaj dav dav dav dav dav dav dav hlau, siv los hnav cov ntoo kom loj rau kev npaj rau qhov tseeb thiab / lossis ntug kev sib koom ua ke. Nws feem ntau yog thawj lub dav hlau siv rau ntawm cov khoom ntxhib, tab sis rau kev ua haujlwm rougher nws tuaj yeem ua ntej los ntawm lub dav hlau txhuam.
