{"id":374,"date":"2022-07-25T15:07:52","date_gmt":"2022-07-25T15:07:52","guid":{"rendered":"https:\/\/aegir-ran.com\/?p=374"},"modified":"2023-10-07T13:40:57","modified_gmt":"2023-10-07T13:40:57","slug":"estimating-range-under-power","status":"publish","type":"post","link":"https:\/\/aegir-ran.com\/index.php\/2022\/07\/25\/estimating-range-under-power\/","title":{"rendered":"Estimating Range Under Power"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The Aegis-Ran sports a Westerbeke 3 cyl. 35 hp.&nbsp;&nbsp;Model# 35C diesel engine that operates 2500-3000 RPM while cruising. Consulting the literature for this engine:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"342\" src=\"https:\/\/i0.wp.com\/aegir-ran.com\/wp-content\/uploads\/2022\/07\/Screen-Shot-2022-07-25-at-7.57.05-AM.png?resize=525%2C342&#038;ssl=1\" alt=\"\" class=\"wp-image-375\" srcset=\"https:\/\/i0.wp.com\/aegir-ran.com\/wp-content\/uploads\/2022\/07\/Screen-Shot-2022-07-25-at-7.57.05-AM.png?resize=1024%2C667&amp;ssl=1 1024w, https:\/\/i0.wp.com\/aegir-ran.com\/wp-content\/uploads\/2022\/07\/Screen-Shot-2022-07-25-at-7.57.05-AM.png?resize=300%2C195&amp;ssl=1 300w, https:\/\/i0.wp.com\/aegir-ran.com\/wp-content\/uploads\/2022\/07\/Screen-Shot-2022-07-25-at-7.57.05-AM.png?resize=768%2C500&amp;ssl=1 768w, https:\/\/i0.wp.com\/aegir-ran.com\/wp-content\/uploads\/2022\/07\/Screen-Shot-2022-07-25-at-7.57.05-AM.png?w=1308&amp;ssl=1 1308w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">And, considering the tankage of 75 gal, assuming 2750 RPM (fuel consumption is about 0.8 gal\/h), I calculate a range of:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 h\/0.8 gal x 75 gal = 94 h; 94 h x 5 NM\/h = 470 NM<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, a friend who has an Alajuela 38 said he had a range of 600 NM while motoring down the West Coast, albeit with a different engine. Assuming, I had 50 gal of storage in Jerry cans, I estimate the range of the boat will be:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 h\/0.8 gal x 125 gal x 5 NM\/h = 780 NM (or perhaps closer to 1000 NM)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Once the boat splashes, I will begin keeping an accurate fuel log.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Update: I recently emptied the main fuel tank and<a rel=\"noreferrer noopener\" href=\"https:\/\/aegir-ran.com\/index.php\/2023\/10\/06\/simrad-fluid-level-sensor-installed-and-main-fuel-tank-calibrated\/\" data-type=\"URL\" data-id=\"https:\/\/aegir-ran.com\/index.php\/2023\/10\/06\/simrad-fluid-level-sensor-installed-and-main-fuel-tank-calibrated\/\" target=\"_blank\"> measured the volume to be 60 gallons<\/a> (not 75 as per specs). Together with the <a rel=\"noreferrer noopener\" href=\"https:\/\/aegir-ran.com\/index.php\/2023\/09\/16\/day-tank-and-fuel-polisher-installed\/\" data-type=\"URL\" data-id=\"https:\/\/aegir-ran.com\/index.php\/2023\/09\/16\/day-tank-and-fuel-polisher-installed\/\" target=\"_blank\">15 gallon day tank that was recently installed<\/a>, this gives a total capacity of 75 gallons, so the calculation above remains valid. However, I have decided to keep 25 gallons on the deck or in the lazarettes. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 h\/0.8 gal x 100 gal x 5 NM\/h = 625 NM (or perhaps closer to 750 NM)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Now that I have fuel level sensors and a fuel monitoring system on the NEMA 2000 network, I will start keeping closer track of actual fuel usage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Aegis-Ran sports a Westerbeke 3 cyl. 35 hp.&nbsp;&nbsp;Model# 35C diesel engine that operates 2500-3000 RPM while cruising. Consulting the literature for this engine: And, considering the tankage of 75 gal, assuming 2750 RPM (fuel consumption is about 0.8 gal\/h), I calculate a range of: 1 h\/0.8 gal x 75 gal = 94 h; 94 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/aegir-ran.com\/index.php\/2022\/07\/25\/estimating-range-under-power\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Estimating Range Under Power&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[1],"tags":[],"class_list":["post-374","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":false,"_links":{"self":[{"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/posts\/374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/comments?post=374"}],"version-history":[{"count":3,"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/posts\/374\/revisions"}],"predecessor-version":[{"id":792,"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/posts\/374\/revisions\/792"}],"wp:attachment":[{"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/media?parent=374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/categories?post=374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aegir-ran.com\/index.php\/wp-json\/wp\/v2\/tags?post=374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}