A lokacin da jirgin sama ya wuce da muhimmanci na cewa musamman airframe, cibiyar matsa lamba shifts baya. Wannan yana sa a lokacin da wani pitch a kan cibiyar na jirgin sama idan aka tsara da kyau. The injuna ya kasance a cikin damuwa a kan rike daidai iko a supersonic gudu. Dukansu wadannan al'amurran da suka shafi da aka warware ta hanyar aiki rabo canje-canje tsakanin ciki da kuma waje elevons, dabam a daban-daban gudu ciki har da supersonic. Sai kawai cikin ciki elevons, wanda aka makala ga mafi m yankin na fuka-fuki, sun kasance aiki a high gudun. Bugu da kari, da kunkuntar fuselage nufi da cewa jirgin sama flexed. Wannan ya kasance bayyane daga baya fasinjoji ta viewpoints. A lokacin da wani jirgin sama ya wuce da m na cewa musamman airframe, cibiyar matsa lamba shifts baya. Wannan yana sa wani pitch a kan cibiyar na jirgin sama idan an tsara da kyau.
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