{"id":6323,"date":"2023-11-07T22:41:00","date_gmt":"2023-11-07T21:41:00","guid":{"rendered":"https:\/\/www.railway-models-and-art.co.uk\/blog\/?p=6323"},"modified":"2023-11-07T22:41:00","modified_gmt":"2023-11-07T21:41:00","slug":"david-andrews-princess-royal-replacement-exhaust-injector","status":"publish","type":"post","link":"http:\/\/www.railway-models-and-art.co.uk\/blog\/?p=6323","title":{"rendered":"David Andrews Princess Royal &#8211; Replacement Exhaust Injector."},"content":{"rendered":"\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>I am almost at the point of reassembly of the exhaust injector, having added bits, chopped other bits off and repositioned the main elbow bend.<\/p>\n\n\n\n<p>This is a small taster of what I have been up to.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"883\" src=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230-1024x883.jpg\" alt=\"\" class=\"wp-image-6326\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230-1024x883.jpg 1024w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230-300x259.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230-768x662.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230-348x300.jpg 348w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/1-IMG_1230.jpg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Drilling small holes in each corner with the dividing head<\/figcaption><\/figure>\n\n\n\n<p>First I milled a square section on the end of a piece of brass rod and drilled a 1.6mm hole in the middle and then a 0.6mm hole at each corner before taking it back to the lathe to&nbsp;part it off. This is the basis for a very visible pipe flange.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0002.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"691\" src=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0002.jpg\" alt=\"\" class=\"wp-image-6325\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0002.jpg 710w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0002-300x292.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0002-308x300.jpg 308w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0001-2.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"895\" height=\"803\" src=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0001-2.jpg\" alt=\"\" class=\"wp-image-6327\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0001-2.jpg 895w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0001-2-300x269.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0001-2-768x689.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0001-2-334x300.jpg 334w\" sizes=\"auto, (max-width: 895px) 100vw, 895px\" \/><\/a><\/figure>\n\n\n\n<p>Then I made up some miniature fixings and soldered them to the copper pipe. The much magnified photos make it look much messier than it is to the naked eye.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"814\" src=\"https:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003-1024x814.jpg\" alt=\"\" class=\"wp-image-6328\" srcset=\"http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003-1024x814.jpg 1024w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003-300x239.jpg 300w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003-768x611.jpg 768w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003-377x300.jpg 377w, http:\/\/www.railway-models-and-art.co.uk\/blog\/wp-content\/uploads\/2023\/11\/IMG_0003.jpg 1499w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[67],"tags":[],"class_list":["post-6323","post","type-post","status-publish","format-standard","hentry","category-david-andrews-princess-royal"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/6323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6323"}],"version-history":[{"count":1,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/6323\/revisions"}],"predecessor-version":[{"id":6329,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/6323\/revisions\/6329"}],"wp:attachment":[{"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6323"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.railway-models-and-art.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}