{"id":249,"date":"2012-02-09T09:06:34","date_gmt":"2012-02-09T17:06:34","guid":{"rendered":"http:\/\/whiskeybeforebreakfast.wordpress.com\/?p=249"},"modified":"2012-02-09T09:06:34","modified_gmt":"2012-02-09T17:06:34","slug":"pilot-truck-investigation","status":"publish","type":"post","link":"https:\/\/ckhollidayplans.com\/blog\/pilot-truck-investigation\/","title":{"rendered":"pilot truck discussion"},"content":{"rendered":"<p>There is now a <a href=\"http:\/\/burnsland.com\/disneyrailroads\/viewtopic.php?f=2&amp;t=4323\">discussion on Burnsland<\/a> about the pilot truck, with rare pictures of the truck detached from the engine.<\/p>\n<p>Some observations I took from the thread:<\/p>\n<ul>\n<li>Disney used almost no bolted connections on the frame itself! Everything appears to be (heavily) welded. In one way it makes some sense given the scale of the truck, but I wonder how easy it is to perform maintenance. For example, if one of the braces crack?<\/li>\n<li>The transverse bar has a different profile&#8211;more trapezoidal than rectangular. That&#8217;s easy to fix, but it also appears to be &#8220;doubled&#8221;&#8211;having an inside and outside pair.<\/li>\n<li>I can finally see the center swing casting&#8211;but unfortunately the photos aren&#8217;t clear enough to show how it&#8217;s assembled. However, I think I have enough to make a good guess.<\/li>\n<li>I will revise the equalizer bars to be thinner.<\/li>\n<li>A good point was brought up that I give a bit of thought to previously. In actual pictures of the engine you will see the bottom of the leaf spring, and in the side profile of the truck I made, you do not. I believe this is attributed to the actual weight of the engine flattening the spring. The spring I model is a static solid body, so it cannot compress.\n<\/ul>\n<p>I&#8217;ve never drafted suspension system before and I&#8217;ll have to think about which state to show: compressed or uncompressed. The purpose of the drawing should govern first, but there&#8217;s a question of faithfulness representation of the engine &#8220;as seen&#8221; by the user.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There is now a discussion on Burnsland about the pilot truck, with rare pictures of the truck detached from the engine. Some observations I took from the thread: Disney used almost no bolted connections on the frame itself! Everything appears &hellip; <a href=\"https:\/\/ckhollidayplans.com\/blog\/pilot-truck-investigation\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-249","post","type-post","status-publish","format-standard","hentry","category-ck-holliday-build"],"_links":{"self":[{"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/posts\/249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/comments?post=249"}],"version-history":[{"count":0,"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/posts\/249\/revisions"}],"wp:attachment":[{"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/media?parent=249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/categories?post=249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ckhollidayplans.com\/blog\/wp-json\/wp\/v2\/tags?post=249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}