{"id":9783,"date":"2025-07-12T16:06:24","date_gmt":"2025-07-12T08:06:24","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=9783"},"modified":"2025-07-13T14:35:39","modified_gmt":"2025-07-13T06:35:39","slug":"spiral-dive-v-s-spin-v-s-dutch-roll","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/spiral-dive-v-s-spin-v-s-dutch-roll\/","title":{"rendered":"Spiral Dive v.s Spin v.s Dutch Roll"},"content":{"rendered":"<p>\u597d\u8010\u7121\u6eab\u66f8&#8230;\u4fc2\u6642\u5019\u6e96\u5099! \u4eca\u65e5\u670b\u53cb\u8b1b\u8d77\u5462\u5169\u500bTOPIC&#8230;\u5c31\u7747\u4e0b\u5566~ XDDD<\/p>\n<p><strong><span style=\"text-decoration: underline;\">Spin<\/span><\/strong><\/p>\n<ul>\n<li>Stall -&gt; Spin (autorotation)<\/li>\n<li>BOTH wing stall, but one wing stall more -&gt; i.e uncoordinated stall \/ imbalanced stall<\/li>\n<li>3 Phases<em> (2 mins 36 sec)<\/em>\n<ul>\n<li>Incipient Spin<\/li>\n<li>Fully developed<\/li>\n<li>Recovery<\/li>\n<\/ul>\n<\/li>\n<li>Feature\n<ul>\n<li>slow airspeed at fully developed stage + high AOA<\/li>\n<\/ul>\n<\/li>\n<li>Factors affecting spin recovery\n<ul>\n<li>Weight &amp; Balance -&gt; CG aft, more easy to spin and more sluggish to recovery<\/li>\n<li>Weight &amp; Balance -&gt; heavier, longer time to recovery<\/li>\n<li>higher -&gt; air den less, more time to recovery<\/li>\n<li>flaps application -&gt; flatter spin , rudder less effective, and even cause damage!<\/li>\n<li>power on -&gt; increase airspeed, more altitude loss during recovery, and more time to recover<\/li>\n<\/ul>\n<\/li>\n<li>Recover \u53e3\u8a23 PARE\n<ul>\n<li>Power &#8211; to idle<\/li>\n<li>Aileron &#8211; to neutral<\/li>\n<li>Rudder &#8211; opposite to spin direction<\/li>\n<li>Elevator &#8211; forward to neutral<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u5462\u5230\u6211\u4e0d\u7981\u5538\u8fd4\u7576\u5e74\u505aSTALL EXERCISE&#8230;\u500bINSTRUCTOR \u8b1b\u660e\u53eb\u6211\u5165\u5de6STALL \u4e4b\u5f8c\u543e\u597d\u626d\u500baileron, \u4f46\u4eba\u6027\u5c31\u4fc2\u6703\u5481&#8230;\u6240\u4ee5\u5462\u500b\u65e5\u5f8c\u771f\u4fc2\u8981\u8a18\u4f4f&#8230;train \u500bmuscle memory to aileron neutral !!!<\/p>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"What is a SPIN? | The Aggravated STALL\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/4LX2amQ7lzo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Spin Awareness, Entry, and Recovery\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/MuMZ53iX0VU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Spiral Dive<\/strong><\/span><\/p>\n<ul>\n<li>&#8220;controlled&#8221; high speed descent turn<\/li>\n<li>common cause by incorrect elevator usage<\/li>\n<li>Features\n<ol>\n<li>excessive bank angle<\/li>\n<li>increase in Airspeed<\/li>\n<li>increase rate of descent<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Air Exercise 14 - Spiral Dives\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/kvDjyHoKJUA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Flight Training Manual Lesson #5: Spins, Spirals, &amp; Slips\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/jDOdg-EFS2I?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Dutch Roll<\/strong><\/span><\/p>\n<ul>\n<li>related to stability design on swept wing (lateral stability &gt; directional stability)<\/li>\n<li>trigger by &#8220;a disturbed roll or yaw&#8221;<\/li>\n<li>tilted lift -&gt; sideslip<\/li>\n<\/ul>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"Understanding Dutch Roll | Simple explanation.\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/9Gt-IcCBiQ4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u597d\u8010\u7121\u6eab\u66f8&#8230;\u4fc2\u6642\u5019\u6e96\u5099! \u4eca\u65e5\u670b\u53cb\u8b1b\u8d77\u5462\u5169\u500bTOPIC&#8230;\u5c31\u7747\u4e0b\u5566~ XDDD Spin Stall -&gt; Spin (autorotation) BOTH wing stall, but one wing stall more -&gt; i.e uncoordinated stall \/ imbalanced stall 3 Phases (2 mins 36 sec) Incipient Spin Fully developed Recovery Feature slow airspeed at fully developed stage + high AOA Factors affecting spin recovery Weight &amp; Balance -&gt; CG aft, more<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/spiral-dive-v-s-spin-v-s-dutch-roll\/\" title=\"Read More\"> <span class=\"button default\">Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,65],"tags":[],"class_list":["post-9783","post","type-post","status-publish","format-standard","hentry","category-aviation","category-bak"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/9783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/comments?post=9783"}],"version-history":[{"count":28,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/9783\/revisions"}],"predecessor-version":[{"id":9811,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/9783\/revisions\/9811"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=9783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=9783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=9783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}