{"id":8884,"date":"2021-11-21T15:21:34","date_gmt":"2021-11-21T08:21:34","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8884"},"modified":"2021-11-21T16:02:59","modified_gmt":"2021-11-21T09:02:59","slug":"tai-sao-may-bay-truoc-kia-co-canh-doi-con-hien-nay-thi-phan-lon-co-canh-don","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-may-bay-truoc-kia-co-canh-doi-con-hien-nay-thi-phan-lon-co-canh-don\/","title":{"rendered":"T\u1ea1i sao m\u00e1y bay tr\u01b0\u1edbc kia c\u00f3 c\u00e1nh \u0111\u00f4i, c\u00f2n hi\u1ec7n nay th\u00ec ph\u1ea7n l\u1edbn c\u00f3 c\u00e1nh \u0111\u01a1n?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb n\u0103m 1903, hai anh em Wright l\u1ea7n \u0111\u1ea7u ti\u00ean l\u00e1i m\u00e1y bay bay l\u00ean tr\u1eddi xanh, l\u1ecbch s\u1eed h\u00e0ng kh\u00f4ng m\u00e1y bay \u0111\u00e3 c\u00f3 th\u1eddi gian d\u00e0i h\u01a1n m\u1ed9t th\u1ebf k\u1ef7. Trong th\u1eddi gian tr\u00ean 100 n\u0103m \u0111\u00f3, h\u00ecnh d\u00e1ng b\u00ean ngo\u00e0i c\u1ee7a m\u00e1y bay \u0111\u00e3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u. Ch\u1ec9 n\u00f3i ri\u00eang v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng c\u00e1nh m\u00e1y bay, lo\u1ea1i m\u00e1y bay ban \u0111\u1ea7u kh\u00f4ng nh\u1eefng c\u00f3 c\u00e1nh \u0111\u00f4i (hai t\u1ea7ng), m\u00e0 c\u00f2n c\u00f3 c\u1ea3 c\u00e1nh ba (ba t\u1ea7ng). Lo\u1ea1i m\u00e1y bay n\u00e0y c\u00f3 ba c\u00e1nh, c\u00e1nh n\u00e0y ch\u1ed3ng l\u00ean c\u00e1nh kia, \u1edf gi\u1eefa \u0111\u01b0\u1ee3c li\u00ean k\u1ebft b\u1eb1ng nhi\u1ec1u tr\u1ee5 \u0111\u1ee1, r\u1ea5t gi\u1ed1ng nh\u01b0 m\u1ed9t gi\u00e1 \u0111\u1ee1 s\u00e1ch. Tuy nhi\u00ean k\u1ebft c\u1ea5u c\u1ee7a m\u00e1y bay c\u00e1nh ba r\u1ea5t ph\u1ee9c t\u1ea1p, hi\u1ec7u qu\u1ea3 c\u0169ng kh\u00f4ng t\u1ed1t h\u01a1n so v\u1edbi m\u00e1y bay c\u00e1nh \u0111\u00f4i, th\u1ef1c t\u1ebf v\u1ec1 sau kh\u00f4ng c\u00f3 ph\u00e1t tri\u1ec3n nhi\u1ec1u h\u01a1n, cho n\u00ean, m\u00e1y bay th\u1eddi k\u1ef3 \u0111\u1ea7u h\u1ea7u nh\u01b0 \u0111\u1ec1u l\u00e0 lo\u1ea1i c\u00e1nh \u0111\u00f4i. Tuy nhi\u00ean, t\u1eeb sau nh\u1eefng n\u0103m 30 c\u1ee7a th\u1ebf k\u1ef7 XX, m\u00e1y bay c\u00e1nh \u0111\u00f4i ch\u1ec9 c\u00f3 r\u1ea5t \u00edt, h\u1ea7u nh\u01b0 \u0111\u1ec1u l\u00e0 m\u00e1y bay c\u00e1nh \u0111\u01a1n bay \u0111i bay l\u1ea1i tr\u00ean b\u1ea7u tr\u1eddi. T\u1ea1i sao nh\u01b0 v\u1eady?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1nh m\u00e1y bay d\u00f9ng \u0111\u1ec3 s\u1ea3n sinh ra l\u1ef1c n\u00e2ng. M\u00e1y bay c\u00f3 th\u1ec3 bay l\u01b0\u1ee3n tr\u00ean kh\u00f4ng m\u00e0 kh\u00f4ng b\u1ecb r\u01a1i xu\u1ed1ng nh\u01b0 m\u1ed9t h\u00f2n \u0111\u00e1, l\u00e0 d\u1ef1a v\u00e0o l\u1ef1c n\u00e2ng c\u1ee7a c\u00e1nh m\u00e1y bay \u0111\u1ec3 c\u00e2n b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng. N\u1ebfu m\u1ed9t chi\u1ebfc m\u00e1y bay bao g\u1ed3m c\u1ea3 h\u00e0nh kh\u00e1ch, h\u00e0ng ho\u00e1 v\u00e0 nhi\u00ean li\u1ec7u, t\u1ed5ng c\u1ed9ng l\u00e0 50 t\u1ea5n, th\u00ec khi n\u00f3 bay ngang b\u1eb1ng \u1edf tr\u00ean kh\u00f4ng trung, c\u00e1c c\u00e1nh c\u1ee7a n\u00f3 ph\u1ea3i s\u1ea3n sinh ra l\u1ef1c n\u00e2ng l\u00e0 50 t\u1ea5n, nh\u01b0 v\u1eady m\u1edbi duy tr\u00ec \u0111\u01b0\u1ee3c th\u0103ng b\u1eb1ng, l\u00e0m cho m\u00e1y bay kh\u00f4ng r\u01a1i xu\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1nh m\u00e1y bay c\u00f3 th\u1ec3 s\u1ea3n sinh ra s\u1ee9c n\u00e2ng \u0111\u1ea9y \u0111i hay kh\u00f4ng, ch\u1ee7 y\u1ebfu l\u00e0 c\u0103n c\u1ee9 v\u00e0o t\u1ed1c \u0111\u1ed9 bay v\u00e0 di\u1ec7n t\u00edch m\u1eb7t ph\u1eb3ng c\u1ee7a c\u00e1nh m\u00e1y bay. T\u1ed1c \u0111\u1ed9 bay c\u00e0ng nhanh di\u1ec7n t\u00edch c\u00e1nh m\u00e1y bay c\u00e0ng l\u1edbn, th\u00ec s\u1ea3n sinh ra l\u1ef1c n\u00e2ng c\u00e0ng l\u1edbn. \u0110i\u1ec1u \u1ea5y c\u0169ng gi\u1ed1ng nh\u01b0 ch\u01a1i th\u1ea3 di\u1ec1u v\u1eady: Hai c\u00e1i di\u1ec1u c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng nh\u01b0 nhau, di\u1ec1u n\u00e0o c\u00f3 di\u1ec7n t\u00edch l\u1edbn, ai k\u00e9o d\u00e2y ch\u1ea1y nhanh, th\u00ec di\u1ec1u c\u1ee7a ng\u01b0\u1eddi \u0111\u00f3 bay l\u00ean c\u00e0ng nhanh, c\u00e0ng cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00e1y bay \u1edf th\u1eddi k\u1ef3 \u0111\u1ea7u, v\u00ec kh\u00f4ng c\u00f3 \u0111\u1ed9ng c\u01a1 t\u1ed1t, v\u1eadt li\u1ec7u k\u1ebft c\u1ea5u c\u0169ng r\u1ea5t th\u00f4 s\u01a1, do \u0111\u00f3 t\u1ed1c \u0111\u1ed9 bay c\u1ee7a m\u00e1y bay kh\u00f4ng nhanh. T\u1ed1c \u0111\u1ed9 kh\u00f4ng nhanh m\u00e0 l\u1ea1i c\u1ea7n kh\u1eafc ph\u1ee5c m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh, th\u00ec c\u1ea7n ph\u1ea3i ra s\u1ee9c t\u0103ng di\u1ec7n t\u00edch c\u00e1nh m\u00e1y bay \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c l\u1ef1c n\u00e2ng c\u1ea7n thi\u1ebft. M\u1ed9t c\u00e1nh m\u00e1y bay kh\u00f4ng \u0111\u1ee7 th\u00ec d\u00f9ng hai c\u00e1nh, hai c\u00e1nh v\u1eabn ch\u01b0a \u0111\u1ee7 th\u00ec d\u00f9ng ba c\u00e1nh. Nh\u01b0 v\u1eady, m\u00e1y bay c\u00e1nh \u0111\u00f4i, c\u00e1nh ba ra \u0111\u1eddi. Tuy nhi\u00ean t\u0103ng c\u00e1nh m\u00e1y bay l\u00ean nhi\u1ec1u th\u00ec tr\u00e1i l\u1ea1i l\u00e0m t\u0103ng ph\u1ee5 t\u1ea3i cho m\u00e1y bay, l\u00e0m cho m\u00e1y bay bay c\u00e0ng ch\u1eadm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f9ng v\u1edbi s\u1ef1 c\u1ea3i ti\u1ebfn d\u1ea7n c\u1ee7a \u0111\u1ed9ng c\u01a1 h\u00e0ng kh\u00f4ng v\u00e0 s\u1ef1 c\u1ea3i c\u00e1ch v\u1eadt li\u1ec7u k\u1ebft c\u1ea5u h\u00e0ng kh\u00f4ng, t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y bay \u0111\u01b0\u1ee3c t\u0103ng l\u00ean r\u1ea5t nhi\u1ec1u, do \u0111\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i c\u00f3 di\u1ec7n t\u00edch c\u00e1nh m\u00e1y bay th\u1eadt l\u1edbn m\u1edbi c\u00f3 th\u1ec3 s\u1ea3n sinh l\u1ef1c n\u00e2ng c\u1ea7n thi\u1ebft; do v\u1eady h\u1ea7u h\u1ebft c\u00e1c m\u00e1y bay hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u \u0111\u00e3 c\u1ea3i ti\u1ebfn th\u00e0nh m\u00e1y bay c\u00e1nh \u0111\u01a1n, do \u0111\u00f3 \u0111\u00e3 l\u00e0m gi\u1ea3m nhi\u1ec1u tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a m\u00e1y bay, \u0111\u1ed3ng th\u1eddi b\u1ea3o \u0111\u1ea3m t\u1ed1c \u0111\u1ed9 bay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady th\u00ec, lo\u1ea1i m\u00e1y bay c\u00e1nh \u0111\u00f4i kh\u00f4ng c\u00f2n c\u00f3 \u00edch n\u1eefa sao?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c ra th\u00ec c\u00f3 m\u1ed9t s\u1ed1 m\u00e1y bay kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i c\u00f3 t\u1ed1c \u0111\u1ed9 nhanh, gi\u1ed1ng nh\u01b0 lo\u1ea1i m\u00e1y bay \u0111a d\u1ee5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong n\u00f4ng nghi\u1ec7p, l\u00e0 m\u00e1y bay c\u00e1nh \u0111\u00f4i. Lo\u1ea1i m\u00e1y bay n\u00e0y c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 r\u1ea3i thu\u1ed1c tr\u1eeb s\u00e2u, gieo h\u1ea1t, tr\u1ed3ng r\u1eebng, di\u1ec7t c\u1ecf v.v. n\u00f3 ph\u1ea3i bay ch\u1eadm, b\u00ecnh \u1ed5n, m\u1edbi c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 r\u1ea3i ph\u00e2n, gieo h\u1ea1t, do \u0111\u00f3 n\u00f3 c\u1ea7n c\u00f3 di\u1ec7n t\u00edch c\u00e1nh m\u00e1y bay l\u1edbn, m\u1edbi c\u00f3 th\u1ec3 s\u1ea3n sinh ra l\u1ef1c n\u00e2ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a: C\u00e1nh m\u00e1y bay; M\u00e1y bay c\u00e1nh \u0111\u01a1n; M\u00e1y bay c\u00e1nh \u0111\u00f4i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb n\u0103m 1903, hai anh em Wright l\u1ea7n \u0111\u1ea7u ti\u00ean l\u00e1i m\u00e1y bay bay l\u00ean tr\u1eddi xanh, l\u1ecbch s\u1eed h\u00e0ng kh\u00f4ng m\u00e1y bay \u0111\u00e3 c\u00f3 th\u1eddi gian d\u00e0i h\u01a1n m\u1ed9t th\u1ebf k\u1ef7. Trong th\u1eddi gian tr\u00ean 100 n\u0103m \u0111\u00f3, h\u00ecnh d\u00e1ng b\u00ean ngo\u00e0i c\u1ee7a m\u00e1y bay \u0111\u00e3 thay \u0111\u1ed5i r\u1ea5t nhi\u1ec1u. Ch\u1ec9 n\u00f3i ri\u00eang v\u1ec1 [&hellip;]<\/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":[15,16],"tags":[],"class_list":["post-8884","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8884","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=8884"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8884\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}