{"id":2106,"date":"2018-12-04T00:45:02","date_gmt":"2018-12-04T00:45:02","guid":{"rendered":"https:\/\/sandbox.gloop.org\/blog\/?p=2106"},"modified":"2018-12-07T21:30:39","modified_gmt":"2018-12-07T21:30:39","slug":"bart-rides-getting-quieter-with-repairs-to-steel-wheels-sfchronicle-com","status":"publish","type":"post","link":"https:\/\/sandbox.gloop.org\/blog\/2018\/12\/04\/bart-rides-getting-quieter-with-repairs-to-steel-wheels-sfchronicle-com\/","title":{"rendered":"BART rides getting quieter with repairs to steel wheels"},"content":{"rendered":"<blockquote><p>As recently as last year, the ride between BART\u2019s Glen Park and Balboa Park stations was a screeching cacophony, as the rail system\u2019s old cylindrical wheels scraped on its corrugated rail. Now, that journey is about 20 decibels quieter, Greg Shivy, the principal track engineer, said during a recent presentation to BART\u2019s Board of Directors. The difference, he said, is that between a roaring gas-powered lawn mower and a steadily thrumming dishwasher. BART began shaving about 2 millimeters of metal off every wheel in its fleet two years ago, a simple solution to the head-splitting squeal a train makes as it roars along the track. That project is almost complete.<\/p><\/blockquote>\n<p>Source: <em><a href=\"https:\/\/www.sfchronicle.com\/bayarea\/article\/BART-rides-quieter-metal-why-so-loud-13419926.php\">BART rides getting quieter with repairs to steel wheels &#8211; SFChronicle.com<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>As recently as last year, the ride between BART\u2019s Glen Park and Balboa Park stations was a screeching cacophony, as the rail system\u2019s old cylindrical wheels scraped on its corrugated rail. Now, that journey is about 20 decibels quieter, Greg Shivy, the principal track engineer, said during a recent presentation to BART\u2019s Board of Directors. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2106","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/posts\/2106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/comments?post=2106"}],"version-history":[{"count":2,"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/posts\/2106\/revisions"}],"predecessor-version":[{"id":2123,"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/posts\/2106\/revisions\/2123"}],"wp:attachment":[{"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/media?parent=2106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/categories?post=2106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sandbox.gloop.org\/blog\/wp-json\/wp\/v2\/tags?post=2106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}