M\u00e1y bay v\u0169 tr\u1ee5 (t\u00e0u con thoi) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, t\u00ean g\u1ecdi \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a n\u00f3 l\u00e0 M\u00e1y bay h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. Nghe t\u00ean th\u00ec bi\u1ebft, n\u00f3 v\u1eeba bay trong kh\u00ed quy\u1ec3n, v\u1eeba bay trong v\u0169 tr\u1ee5, l\u00e0 thi\u1ebft b\u1ecb bay k\u1ebft h\u1ee3p cao \u0111\u1ed9 gi\u1eefa k\u1ef9 thu\u1eadt h\u00e0ng kh\u00f4ng v\u00e0 k\u1ef9 thu\u1eadt v\u0169 tr\u1ee5.<\/p>\n\n\n\n
N\u01b0\u1edbc M\u1ef9 n\u0103m 1981 \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng m\u00e1y bay v\u0169 tr\u1ee5, tr\u1edf th\u00e0nh m\u1ed9t m\u1ed1c quan tr\u1ecdng trong l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n v\u0169 tr\u1ee5. Nh\u01b0ng m\u00e1y bay v\u0169 tr\u1ee5 v\u1eabn c\u00f2n nh\u1eefng b\u1ea5t c\u1eadp, ch\u1ee7 y\u1ebfu l\u00e0 c\u00f4ng vi\u1ec7c duy tu b\u1ea3o d\u01b0\u1ee1ng ph\u1ee9c t\u1ea1p, kinh ph\u00ed \u0111\u1eaft v\u00e0 th\u01b0\u1eddng ph\u00e1t sinh s\u1ef1 c\u1ed1. M\u00e1y bay h\u00e0ng kh\u00f4ng so v\u1edbi m\u00e1y bay v\u0169 tr\u1ee5 c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m. \u0110\u00f3 l\u00e0 m\u00e1y bay thi\u1ebft b\u1ecb s\u00e2n bay m\u1eb7t \u0111\u1ea5t \u0111\u01a1n gi\u1ea3n, duy tu b\u1ea3o d\u01b0\u1ee1ng thu\u1eadn l\u1ee3i, thao t\u00e1c ph\u00ed r\u1ebb, n\u00f3 c\u00f3 th\u1ec3 c\u1ea5t c\u00e1nh ho\u1eb7c h\u1ea1 c\u00e1nh tr\u00ean s\u00e2n bay ph\u1ed5 th\u00f4ng, ngay \u0111\u1ebfn ngo\u1ea1i h\u00ecnh n\u00f3 c\u0169ng gi\u1ed1ng nh\u01b0 m\u00e1y bay ch\u1edf kh\u00e1ch c\u1ee1 l\u1edbn. N\u00f3 d\u00f9ng nhi\u00ean li\u1ec7u l\u00e0 hydro ho\u00e1 l\u1ecfng, khi bay trong b\u1ea7u kh\u00ed quy\u1ec3n n\u00f3 l\u1ee3i d\u1ee5ng oxy c\u1ee7a kh\u00f4ng kh\u00ed \u0111\u1ec3 \u0111\u1ed1t ch\u00e1y. C\u1ed9ng th\u00eam n\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0ng v\u1ea1n l\u1ea7n, cho n\u00ean hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng cao v\u00e0 gi\u00e1 th\u00e0nh r\u1ea5t r\u1ebb. C\u1eeda \u1ea3i l\u1edbn nh\u1ea5t \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 ch\u1ebf t\u1ea1o m\u00e1y bay v\u0169 tr\u1ee5 l\u00e0 b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1. \u0110\u1ed9ng c\u01a1 c\u1ee7a n\u00f3 ph\u1ea3i l\u00e0m vi\u1ec7c trong ph\u1ea1m vi r\u1ea5t r\u1ed9ng. Khi c\u1ea5t c\u00e1nh t\u1ed1c \u0111\u1ed9 b\u1eb1ng 0, l\u00fac bay v\u00e0o v\u0169 tr\u1ee5 t\u1ed1c \u0111\u1ed9 r\u1ea5t l\u1edbn. \u0110i\u1ec1u \u0111\u00f3 y\u00eau c\u1ea7u \u0111\u1ed9ng c\u01a1 c\u1ee7a n\u00f3 ph\u1ea3i c\u00f3 hai t\u00ednh n\u0103ng: m\u1ed9t l\u00e0 t\u00ednh n\u0103ng c\u1ee7a \u0111\u1ed9ng c\u01a1 t\u00ean l\u1eeda d\u00f9ng \u0111\u1ec3 bay ngo\u00e0i t\u1ea7ng kh\u00ed quy\u1ec3n; hai l\u00e0 t\u00ednh n\u0103ng \u0111\u1ed9ng c\u01a1 h\u00fat kh\u00ed \u0111\u1ec3 bay trong t\u1ea7ng kh\u00ed quy\u1ec3n. Khi \u0111\u1ed9ng c\u01a1 h\u00fat kh\u00ed l\u00e0m vi\u1ec7c, l\u1ee3i d\u1ee5ng t\u00e1c d\u1ee5ng xung \u00e1p \u0111\u1ed1i v\u1edbi kh\u00f4ng kh\u00ed \u0111\u1ec3 \u00e9p v\u00e0 ho\u00e1 l\u1ecfng oxy, cung c\u1ea5p nhi\u00ean li\u1ec7u l\u1ecfng cho n\u00f3.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n sang th\u1ebf k\u1ef7 XXI m\u1ed9t khi m\u00e1y bay v\u0169 tr\u1ee5 ch\u1ebf t\u1ea1o th\u00e0nh c\u00f4ng th\u00ec m\u00e1y bay h\u00e0ng kh\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c thay th\u1ebf ho\u00e0n to\u00e0n. B\u1ea5t c\u1ee9 hai th\u00e0nh ph\u1ed1 n\u00e0o xa nh\u1ea5t tr\u00ean Tr\u00e1i \u0110\u1ea5t, th\u1eddi gian bay \u0111\u1ec1u kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 hai gi\u1edd. Th\u1eadt l\u00e0 l\u00fd t\u01b0\u1edfng!<\/p>\n\n\n\n
T\u1eeb kho\u00e1: K\u1ef9 thu\u1eadt h\u00e0ng kh\u00f4ng; K\u1ef9 thu\u1eadt v\u0169 tr\u1ee5; M\u00e1y bay v\u0169 tr\u1ee5.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
M\u00e1y bay v\u0169 tr\u1ee5 (t\u00e0u con thoi) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u, t\u00ean g\u1ecdi \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a n\u00f3 l\u00e0 M\u00e1y bay h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. Nghe t\u00ean th\u00ec bi\u1ebft, n\u00f3 v\u1eeba bay trong kh\u00ed quy\u1ec3n, v\u1eeba bay trong v\u0169 tr\u1ee5, l\u00e0 thi\u1ebft b\u1ecb bay k\u1ebft h\u1ee3p cao \u0111\u1ed9 gi\u1eefa k\u1ef9 thu\u1eadt h\u00e0ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-7407","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7407"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7407\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}