{"id":7912,"date":"2024-04-17T23:26:09","date_gmt":"2024-04-17T15:26:09","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=7912"},"modified":"2026-02-01T13:25:29","modified_gmt":"2026-02-01T05:25:29","slug":"camshaft-crankshaft-rpm","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/camshaft-crankshaft-rpm\/","title":{"rendered":"Camshaft, Crankshaft, rpm?"},"content":{"rendered":"<p>Example:<\/p>\n<p>4-stroke engine : 7200 RPM<\/p>\n<table class=\"NRefec\" style=\"height: 122px;\" width=\"613\" data-animation-nesting=\"\" data-processed=\"true\">\n<tbody data-processed=\"true\">\n<tr class=\"cZCYO\" data-sfc-cp=\"\" data-processed=\"true\">\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\"><strong class=\"Yjhzub\" data-processed=\"true\">Crankshaft Speed<\/strong><\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">7200 RPM<\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">2 full rotations = 1 cycle<\/td>\n<\/tr>\n<tr class=\"cZCYO\" data-sfc-cp=\"\" data-processed=\"true\">\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\"><strong class=\"Yjhzub\" data-processed=\"true\">Camshaft Speed<\/strong><\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">3600 RPM<\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">1 full rotation = 1 cycle<\/td>\n<\/tr>\n<tr class=\"cZCYO\" data-sfc-cp=\"\" data-processed=\"true\">\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\"><strong class=\"Yjhzub\" data-processed=\"true\">Ratio (Crank:Cam)<\/strong><\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">2:1<\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">Required for valve timing<\/td>\n<\/tr>\n<tr class=\"cZCYO\" data-sfc-cp=\"\" data-processed=\"true\">\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\"><strong class=\"Yjhzub\" data-processed=\"true\">Power Strokes<\/strong><\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">3600 per min<\/td>\n<td class=\"cOeeGf\" colspan=\"undefined\" data-sfc-cp=\"\" data-processed=\"true\">1 power stroke per 2 revolutions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<div class=\"embed-container\"><iframe loading=\"lazy\" title=\"4 stroke engine camshaft\" width=\"1170\" height=\"878\" src=\"https:\/\/www.youtube.com\/embed\/CpWbMiOdvjQ?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=\"The real four-stroke cycle in an aircraft piston engine.\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/8QF_epYzXFM?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","protected":false},"excerpt":{"rendered":"<p>Example: 4-stroke engine : 7200 RPM Crankshaft Speed 7200 RPM 2 full rotations = 1 cycle Camshaft Speed 3600 RPM 1 full rotation = 1 cycle Ratio (Crank:Cam) 2:1 Required for valve timing Power Strokes 3600 per min 1 power stroke per 2 revolutions &nbsp; &nbsp;<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/camshaft-crankshaft-rpm\/\" 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":[68,64],"tags":[],"class_list":["post-7912","post","type-post","status-publish","format-standard","hentry","category-atpl-knowledge","category-aviation"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/7912","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=7912"}],"version-history":[{"count":7,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/7912\/revisions"}],"predecessor-version":[{"id":10329,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/7912\/revisions\/10329"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=7912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=7912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=7912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}