Plaub lub zog ua haujlwm ntawm lub dav hlau ncaj qha thiab theem, tsis nrawm nrawm yog thrust, luag, nqa, thiab hnyav. Lawv raug txhais raws li nram no: … Nws tawm tsam los yog kov yeej lub zog ntawm luag. Raws li txoj cai dav dav, nws ua rau tib lub sijhawm mus rau qhov axis longitudinal.
davhlau tsis nrawm txhais li cas?
Lub davhlau ruaj khov, tsis nrawm nrawm, lossis sib npaug sib npaugyog qhov tshwj xeeb hauv kev ya davhlau uas lub dav hlau txoj kab thiab qhov nrawm nrawm yog qhov tsis tu ncua ntawm lub cev siv cov qauv siv. … Cov dav hlau dav hlau ya dav hlau muaj ib lub dav hlau tsis tu ncua kev sib txuas los ntawm luv luv, nrawm hloov mus.
Lub zog twg them nyiaj rau qhov hnyav hauv qhov tsis nrawm nrawm thiab qib davhlau?
Nyob rau hauv unaccelerated flight (steady flight) the opposing rog are in equilibrium. Nqa thiab thrust yog suav tias yog lub zog zoo, thaum qhov hnyav thiab luag yog suav tias yog lub zog tsis zoo, thiab qhov sib npaug ntawm cov tawm tsam yog xoom. Hauv lwm lo lus, nqa sib npaug qhov hnyav thiab thrust sib npaug sib luag.
Yuav ua li cas koj qeeb lub dav hlau ntawm ncaj thiab theem davhlau?
Yuav txo qis airspeed thaum nyob ncaj-thiab-qib ya
- Throttle rov qab smoothly rau lub zog teeb tsa kwv yees rau qhov nrawm uas xav tau.
- Tshaj tawm lub yaw mus rau sab xis nrog lub nraub qaum sab laug.
- Rov qab siab rau kab tswj kom tswj tau qhov siab xav tau.
- Kawm lub tis theem.
ncaj thiab theem txhais li cas?
ncig-thiab-theem davhlau yog flight nyob rau hauv uas lub taub hau thiab qhov siab tau khaws cia tas li … Tus kws tsav dav hlau yuav tsum ua kom zoo, raws sij hawm, thiab kho qhov sib npaug rau qhov sib txawv ntawm lub dav hlau txoj kev taw qhia thiab qhov siab ntawm qhov tsis txhob xav tig me ntsis, qhovntsej thiaj tsis mob, thiab nce mus rau qhov kev sib tw ncaj thiab theem.