{"id":1353,"date":"2018-08-14T05:09:04","date_gmt":"2018-08-13T15:09:04","guid":{"rendered":"http:\/\/commons.pratt.edu\/open-source\/?p=1000"},"modified":"2018-08-14T05:09:04","modified_gmt":"2018-08-13T15:09:04","slug":"performance-testing-air-compressors","status":"publish","type":"post","link":"https:\/\/www.kornequipped.com\/blog\/?p=1353","title":{"rendered":"Performance Testing Air Compressors"},"content":{"rendered":"\n<p>I want to add a small compressor to my truck to keep the rear level. It has air shocks but no automatic control.<\/p>\n\n\n\n<p>If I can find a decent priced string pot I can make it fully automatic. for now I need to select a compressor.<\/p>\n\n\n\n<p>I have a few factory ones and a bunch of aftermarket tire pumps. You cant believe the hyped up ratings so I made a simple arduino test rig to sample the pressure every 100 milliseconds and decided to test every one I can get my hands on&#8230;.<\/p>\n\n\n\n<p>heres the test setup using a battery, pressure sensor, safety cutoff switch and a few other parts&#8230;..<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1162.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>and heres the lot of compressors I grabbed from the junk bin and all the cars outside.<\/p>\n\n\n\n<p>There&#8217;s this monster from a Caddy Deville.&nbsp; It even has the solenoid to drop the suspension attached.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1153.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>A bare frame from a factory air suspension: Not the fastest but its the one I&#8217;m using for my suspension.&nbsp; Its beefy and runs at a lower speed than the others so it will be quieter&#8230; Plus it has two 1\/8 npt ports on the head that will make plumbing a breeze.. I probably should print up a belt guard for it.,,,,<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1154.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>a very old compressor from the 80&#8217;s<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1155.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>what I thought was a cheapie model but turned out better than expected so I gave it a brand new gauge and 3D printed a new cap for the head&#8230;..<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1156.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>A left over from a project. Its a cheap aftermarket car compressor with a 3D printed base&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1157.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>Real cheapo flea market garbage. wouldn&#8217;t hit 200psi if I kinked its hose with vice grips&#8230;&#8230;.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1172.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>A nice $5 flea market one thats going back in my wagon&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1173.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>A real surprise is the harbor freight model. It was #2<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1175.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>by far the best and most expensive one I have. Its made by slime. Its big ugly and fast and I keep it in my truck<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/IMG_1176.jpg\" alt=\"\" \/><\/figure>\n\n\n\n<p>and the results:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Slime<\/li>\n\n\n\n<li>Harborfreight<\/li>\n\n\n\n<li>Interflator<\/li>\n<\/ol>\n\n\n\n<p>the rest were about even.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/es.pratt.edu\/Commons\/Images\/compressors\/compressors.png\" alt=\"\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I want to add a small compressor to my truck to keep the rear level. It has air shocks but no automatic control. If I can find a decent priced string pot I can make it fully automatic. for now I need to select a compressor. I have a few factory ones and a bunch [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,7],"tags":[],"class_list":["post-1353","post","type-post","status-publish","format-standard","hentry","category-arduino","category-automotive"],"_links":{"self":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1353","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1353"}],"version-history":[{"count":0,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1353\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1353"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1353"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1353"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}