{"id":39,"date":"2021-12-09T13:14:38","date_gmt":"2021-12-09T18:14:38","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/?post_type=chapter&#038;p=39"},"modified":"2022-08-15T14:13:40","modified_gmt":"2022-08-15T18:13:40","slug":"transitions","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/chapter\/transitions\/","title":{"raw":"Transitions-No Seams","rendered":"Transitions-No Seams"},"content":{"raw":"<ol>\r\n \t<li>[embed]https:\/\/youtu.be\/BujGBDRZ8o8[\/embed]\r\n\r\nStudy the shop drawing. Remember that the first number for the duct size is always what we \u201csee in the view\u201d. The second number is the depth, or hidden view.\r\n<img class=\"alignnone size-full wp-image-112\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.1-Transitions-No-Seams-Drawing.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\r\n \t<li>From the given information on the drawing, we decide if we will make the fitting in 2, 3 or 4 pieces. This example is 2 pieces because it only slopes on 1 side.<\/li>\r\n \t<li>Calculate the blank size for the 2 pieces\r\n<ol>\r\n \t<li>Body or large piece\r\n<ul>\r\n \t<li>We have been given a length of 8\u201d. The second dimension comes from the perimeter which includes the 2 sides and the bottom to form the \u201cU\u201d shaped piece. From the large opening dimensions, we add 6\u201d +4\u201d + 6\u201d=16\u201d. So our blank size is 16\u201d x 8\u201d\r\n<img class=\"alignnone size-full wp-image-113\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.3a-Transitions-No-Seams-Calculate-Body.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\r\n<\/ul>\r\n<\/li>\r\n \t<li>Top or small piece\r\n<ul>\r\n \t<li>We are given the depth as 4\u201d. The length must be calculated because of the slope of the top piece, so we use A\u00b2 +B\u00b2 = C\u00b2.\u00a0 With the given numbers, we get \u221a(8\u00b2+2\u00b2)=8 \u00bc\u201d, so our blank size is 4\u201d x 8 \u00bc\u201d\r\n<img class=\"alignnone size-full wp-image-114\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.3b-Transitions-No-Seams-Calculate-Top.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t<li>We\u2019ll only draw out the body in this case because there is no layout required for the top piece, so we\u2019ll draw the blank size or shear it and draw the arrow for airflow\r\n<img class=\"alignnone size-full wp-image-115\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.4-Transitions-No-Seams-Draw-Blank.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\r\n \t<li>Working like it is a piece of straight duct, we work from one side, marking off the perimeter at each end and draw in the lines\r\n<img class=\"alignnone size-full wp-image-116\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.5-Transitions-No-Seams-Mark-Blank.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\r\n \t<li>At one end, we will mark outwards from the two lines drawn in the last step, the smaller opening size. In our case, the 4\u201d dimension\r\n<img class=\"alignnone size-full wp-image-117\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.6-Transitions-No-Seams-Layout-Transition-Draw.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\r\n \t<li>Connect the points to create the sloped sides<\/li>\r\n<\/ol>\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;","rendered":"<ol>\n<li><iframe loading=\"lazy\" id=\"oembed-1\" title=\"2pc Transition\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/BujGBDRZ8o8?feature=oembed&#38;rel=0\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe>\n<p>Study the shop drawing. Remember that the first number for the duct size is always what we \u201csee in the view\u201d. The second number is the depth, or hidden view.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-112\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.1-Transitions-No-Seams-Drawing.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\n<li>From the given information on the drawing, we decide if we will make the fitting in 2, 3 or 4 pieces. This example is 2 pieces because it only slopes on 1 side.<\/li>\n<li>Calculate the blank size for the 2 pieces\n<ol>\n<li>Body or large piece\n<ul>\n<li>We have been given a length of 8\u201d. The second dimension comes from the perimeter which includes the 2 sides and the bottom to form the \u201cU\u201d shaped piece. From the large opening dimensions, we add 6\u201d +4\u201d + 6\u201d=16\u201d. So our blank size is 16\u201d x 8\u201d<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-113\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.3a-Transitions-No-Seams-Calculate-Body.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\n<\/ul>\n<\/li>\n<li>Top or small piece\n<ul>\n<li>We are given the depth as 4\u201d. The length must be calculated because of the slope of the top piece, so we use A\u00b2 +B\u00b2 = C\u00b2.\u00a0 With the given numbers, we get \u221a(8\u00b2+2\u00b2)=8 \u00bc\u201d, so our blank size is 4\u201d x 8 \u00bc\u201d<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-114\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.3b-Transitions-No-Seams-Calculate-Top.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n<li>We\u2019ll only draw out the body in this case because there is no layout required for the top piece, so we\u2019ll draw the blank size or shear it and draw the arrow for airflow<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-115\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.4-Transitions-No-Seams-Draw-Blank.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\n<li>Working like it is a piece of straight duct, we work from one side, marking off the perimeter at each end and draw in the lines<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-116\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.5-Transitions-No-Seams-Mark-Blank.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\n<li>At one end, we will mark outwards from the two lines drawn in the last step, the smaller opening size. In our case, the 4\u201d dimension<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-117\" src=\"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-content\/uploads\/sites\/1571\/2021\/12\/7.6-Transitions-No-Seams-Layout-Transition-Draw.gif\" alt=\"\" width=\"640\" height=\"480\" \/><\/li>\n<li>Connect the points to create the sloped sides<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"author":1078,"menu_order":5,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-39","chapter","type-chapter","status-publish","hentry"],"part":3,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/chapters\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/wp\/v2\/users\/1078"}],"version-history":[{"count":6,"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/chapters\/39\/revisions"}],"predecessor-version":[{"id":118,"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/chapters\/39\/revisions\/118"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/parts\/3"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/chapters\/39\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/wp\/v2\/media?parent=39"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/pressbooks\/v2\/chapter-type?post=39"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/wp\/v2\/contributor?post=39"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/ductfittings\/wp-json\/wp\/v2\/license?post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}