{"id":2694,"date":"2016-02-04T22:35:44","date_gmt":"2016-02-04T20:35:44","guid":{"rendered":"http:\/\/www.verticallimits.nl\/?p=2694"},"modified":"2017-01-22T17:32:01","modified_gmt":"2017-01-22T15:32:01","slug":"sneak-preview-2-stage-intimidator-5-to-4","status":"publish","type":"post","link":"https:\/\/www.verticallimits.nl\/?p=2694","title":{"rendered":"Sneak preview: 2-stage Intimidator 5 to 4"},"content":{"rendered":"<p>UPDATE: Currently on-hold \/ cancelled.<\/p>\n<p>Some initial\u00a0sketches. I&#8217;m trying to use the existing workhorse\u00a0Intimidator 5 as a booster by replacing the nose cone with an inter stage coupler. Re-using the I5\u00a0makes it a bit more difficult getting the whole rocket\u00a0stable. It requires two new 98mm motors of which I recently\u00a0stumbled upon some\u00a0suitable phenolic\u00a0casting tubes.<\/p>\nngg_shortcode_0_placeholder\n<p>Initial sims indicate apogee at +\/- 6,5km with a 98mm, 8G KNSB &#8211; 9500Ns motor in the sustainer and a 98mm, 6G KNDX &#8211; 7300Ns motor in the booster. It&#8217;s a bit contradicting putting the bigger motor in the sustainer but otherwise I was unable to get it stable.<\/p>\nngg_shortcode_1_placeholder\n","protected":false},"excerpt":{"rendered":"<p>UPDATE: Currently on-hold \/ cancelled. Some initial\u00a0sketches. I&#8217;m trying to use the existing workhorse\u00a0Intimidator 5 as a booster by replacing the nose cone with an inter stage coupler. Re-using the I5\u00a0makes it a bit more difficult getting the whole rocket\u00a0stable. It requires two new 98mm motors of which I recently\u00a0stumbled upon some\u00a0suitable phenolic\u00a0casting tubes. Initial<\/p>\n<p><a href=\"https:\/\/www.verticallimits.nl\/?p=2694\" class=\"more-link themebutton\">Read More<\/a><\/p>\n","protected":false},"author":5,"featured_media":2695,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[24],"tags":[29,30],"_links":{"self":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts\/2694"}],"collection":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2694"}],"version-history":[{"count":6,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts\/2694\/revisions"}],"predecessor-version":[{"id":3118,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/posts\/2694\/revisions\/3118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=\/wp\/v2\/media\/2695"}],"wp:attachment":[{"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.verticallimits.nl\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}