{"id":10430,"date":"2026-04-23T19:08:25","date_gmt":"2026-04-23T11:08:25","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=10430"},"modified":"2026-04-23T19:08:25","modified_gmt":"2026-04-23T11:08:25","slug":"oil-types-mineral-ashless-dispersant-and-synthetic","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/oil-types-mineral-ashless-dispersant-and-synthetic\/","title":{"rendered":"Oil Types &#8211; Mineral, Ashless Dispersant, And Synthetic"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Ref: <a href=\"https:\/\/www.boldmethod.com\/blog\/2013\/11\/aircraft-oil-mineral-ashless-dispersant-synthetic\/#:~:text=There%20are%20two%20main%20oil,them%20to%20the%20oil%20filter\">https:\/\/www.boldmethod.com\/blog\/2013\/11\/aircraft-oil-mineral-ashless-dispersant-synthetic\/#:~:text=There%20are%20two%20main%20oil,them%20to%20the%20oil%20filter<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u5230\u5e95\u7528Mineral based oil \u5b9a AD oil?<\/p>\n\n\n\n<p>There are two main oil types used in aircraft engines: mineral oil and ashless dispersant (AD) oil. Both types are made of mineral oil &#8211; a refined, petroleum based oil. However, <strong>AD oils have added chemicals (additives)<\/strong>, which <strong>collect debris inside the engine and carry them to the oil filter.<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u4ee5C172S \u70ba\u4f8b\u2026\u4fc2 Section 1 \u5c31\u5df2\u7d93\u6709\u63d0\uff1a<\/p>\n\n\n\n<p class=\"p1\">MIL-L-22851 or SAE J1899 Aviation Grade <strong>Ashless Dispersant Oil<\/strong>: Oil conforming to the latest revision and\/or supplements to Textron Lycoming Service Instruction No. 1014, <strong>must be used after first 50 hours<\/strong> or once oil consumption has stabilized.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Um\u2026 \u6bcf\u65e5\u5b78d\u5566\u2026d \u91cekeep \u4f4f\u7747\u5148\u6703\u8a18\u5f97 \u543e\u4fc2\u7121\u7528\u4e00\u6392\u500b\u8166\u53c8\u751f\u93fd\uff5e<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ref: https:\/\/www.boldmethod.com\/blog\/2013\/11\/aircraft-oil-mineral-ashless-dispersant-synthetic\/#:~:text=There%20are%20two%20main%20oil,them%20to%20the%20oil%20filter \u5230\u5e95\u7528Mineral based oil \u5b9a AD oil? There are two main oil types used in aircraft engines: mineral oil and ashless dispersant (AD) oil. Both types are made of mineral oil &#8211; a refined, petroleum based oil. However, AD oils have added chemicals (additives), which collect debris inside the engine and carry them to<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/oil-types-mineral-ashless-dispersant-and-synthetic\/\" 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],"tags":[],"class_list":["post-10430","post","type-post","status-publish","format-standard","hentry","category-aviation"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/10430","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=10430"}],"version-history":[{"count":1,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/10430\/revisions"}],"predecessor-version":[{"id":10431,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/10430\/revisions\/10431"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=10430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=10430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=10430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}