{"id":8919,"date":"2024-08-03T21:06:37","date_gmt":"2024-08-03T13:06:37","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=8919"},"modified":"2024-08-03T21:15:28","modified_gmt":"2024-08-03T13:15:28","slug":"ga-piston-engine-effect-of-increasing-height-on-power-output","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/ga-piston-engine-effect-of-increasing-height-on-power-output\/","title":{"rendered":"[GA Piston Engine] Effect of Increasing Height on Power Output"},"content":{"rendered":"

(On a ‘standard’ day) Aicraft climbs \/ fly high<\/strong> –> output of the engine decreases<\/strong> for two reasons:<\/p>\n

    \n
  1. decrease in atmospheric pressure<\/strong>
    \n– reduces the manifold pressure<\/strong> and thus the flow of air into the cylinders (a similar effect to closing the throttle)
    \n– can be compensated for by progressively opening the throttle<\/strong><\/li>\n
  2. decrease in the density of the air<\/strong>
    \n– reduces the amount of air the engine is ‘breathing’ which reduces the combustion pressure – this results in the pistons being moved down by a reduced force
    \n– can be compensated for by increasing the RPM<\/strong>
    \n– supercharger<\/strong> design (if equipped)<\/li>\n<\/ol>\n

    \"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    (On a ‘standard’ day) Aicraft climbs \/ fly high –> output of the engine decreases for two reasons: decrease in atmospheric pressure – reduces the manifold pressure and thus the flow of air into the cylinders (a similar effect to closing the throttle) – can be compensated for by progressively opening the throttle decrease in 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":[75,64],"tags":[],"class_list":["post-8919","post","type-post","status-publish","format-standard","hentry","category-agk-airframe-engine-system","category-aviation"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8919","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=8919"}],"version-history":[{"count":7,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8919\/revisions"}],"predecessor-version":[{"id":8927,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/8919\/revisions\/8927"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=8919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=8919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=8919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}