{"id":330345,"date":"2025-12-04T12:38:16","date_gmt":"2025-12-04T12:38:16","guid":{"rendered":"https:\/\/peraltafinancing.com\/airbus\/the-state-of-alternative-propulsion-aircraft-part-4\/"},"modified":"2025-12-04T12:38:16","modified_gmt":"2025-12-04T12:38:16","slug":"the-state-of-alternative-propulsion-aircraft-part-4","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=330345","title":{"rendered":"The state of alternative propulsion aircraft? Part 4."},"content":{"rendered":"<p> <br \/>\n<\/p>\n<p><strong>December 4, 2025, \u00a9 Leeham News:<\/strong> In our series about alternative propulsion aircraft, last week we looked at the aircraft batteries. These are heavy components with very low energy capacity per unit weight.<\/p>\n<p>To illustrate the kind of aircraft-level challenges the batteries\u00a0<span style=\"margin: 0px;padding: 0px\">pose, we are using our\u00a0<a href=\"https:\/\/leeham.net\/apcm\/\">Aircraft Performance and Cost Model (APCM) <\/a>to design a typical alternative-propulsion battery-electric aircraft and then fly it on<\/span> typical missions.<\/p>\n<p>The aircraft is similar in size to a 9-seat Tecnam P2012 commuter (Figure 1) but optimised for Battery-Electric propulsion.<\/p>\n<div id=\"attachment_36642\" style=\"width: 1210px\"><a href=\"https:\/\/leehamnews.com\/wp-content\/uploads\/2021\/05\/P2012-life-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-36642\" class=\"wp-image-36642 size-full\" src=\"https:\/\/leehamnews.com\/wp-content\/uploads\/2021\/05\/P2012-life-1.jpg\" alt=\"\" width=\"1200\" height=\"670\"\/><\/a><\/p>\n<p id=\"caption-attachment-36642\" class=\"wp-caption-text\">Figure 1. The Tecnam P2012 nine-seater commuter. Source: Tecnam.<\/p>\n<\/div>\n<p>The APCM will give us the airframe-level energy consumption for each phase of the flight. Subsequently, we can add the different losses in the propulsion system to determine the energy consumed from the battery and the endurance\/range it offers, dependent on VFR or IFR mission reserves.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>December 4, 2025, \u00a9 Leeham News: In our series about alternative propulsion aircraft, last week we looked at the aircraft batteries. These are heavy components with very low energy capacity per unit weight. To illustrate the kind of aircraft-level challenges the batteries\u00a0pose, we are using our\u00a0Aircraft Performance and Cost Model (APCM) to design a typical [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":330346,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12027],"tags":[12950,4746,3341,20096,5296],"dealstore":[],"offerexpiration":[],"class_list":["post-330345","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-airbus","tag-aircraft","tag-alternative","tag-part","tag-propulsion","tag-state"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The state of alternative propulsion aircraft? Part 4. - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=330345\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The state of alternative propulsion aircraft? Part 4. - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"December 4, 2025, \u00a9 Leeham News: In our series about alternative propulsion aircraft, last week we looked at the aircraft batteries. These are heavy components with very low energy capacity per unit weight. 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