{"id":889,"date":"2009-05-21T09:17:09","date_gmt":"2009-05-21T09:17:09","guid":{"rendered":"http:\/\/www.jpyro.com\/wp\/?p=889"},"modified":"2009-05-21T09:17:09","modified_gmt":"2009-05-21T09:17:09","slug":"performance-comparison-between-old-and-new-obron-german-dark-aluminum","status":"publish","type":"post","link":"http:\/\/www.jpyro.co.uk\/?p=889","title":{"rendered":"Performance Comparison between Old and New Obron German Dark Aluminum"},"content":{"rendered":"<p><span><strong>K. L. and B. J. Kosanke<\/strong><\/span><\/p>\n<p><span><strong>ABSTRACT: <\/strong>In 1997, Obron Atlantic changed their Ger-man dark aluminum. (Their former product number was 5413; the new product was designated 5413 H Super.) We had published the results of a series of sound output tests of various salute powders, which included the effect of using various aluminums, including Obron&rsquo;s old German dark. Because of our past work, and in response to a query on the Internet, we decided to conduct a brief investigation comparing the sound output of these two aluminum powders when used in a common flash powder formulation. This article presents those results.<\/span><\/p>\n<p> <span><\/p>\n<hr \/>\n<p><strong>Ref:<\/strong> Selected Pyrotechnic Publication of K.L. and B.J Kosanke, Part 4, (1995-1997), pp 119-121<br \/> (K4_119)<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>K. L. and B. J. Kosanke ABSTRACT: In 1997, Obron Atlantic changed their Ger-man dark aluminum. (Their former product number was 5413; the new product was designated 5413 H Super.) We had published the results of a series of sound output tests of various salute powders, which included the effect of using various aluminums, including &hellip;<br \/><a href=\"http:\/\/www.jpyro.co.uk\/?p=889\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\">Continue reading <span class=\"screen-reader-text\">Performance Comparison between Old and New Obron German Dark Aluminum<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[36,24],"tags":[],"_links":{"self":[{"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/889"}],"collection":[{"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=889"}],"version-history":[{"count":3,"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/889\/revisions"}],"predecessor-version":[{"id":892,"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/889\/revisions\/892"}],"wp:attachment":[{"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=889"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=889"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jpyro.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}