{"id":194090,"date":"2008-10-25T05:34:00","date_gmt":"2008-10-25T10:34:00","guid":{"rendered":"https:\/\/www.panix.com\/~msaroff\/40years\/2008\/10\/25\/i-knew-that-it-did-not-look-right\/"},"modified":"2008-10-25T05:34:00","modified_gmt":"2008-10-25T10:34:00","slug":"i-knew-that-it-did-not-look-right","status":"publish","type":"post","link":"https:\/\/www.panix.com\/~msaroff\/40years\/2008\/10\/25\/i-knew-that-it-did-not-look-right\/","title":{"rendered":"I Knew that It Did Not Look Right"},"content":{"rendered":"<p>When I <a href=\"http:\/\/40yrs.blogspot.com\/2008\/08\/vjl-update.html\">last posted about the PiperJet<\/a>, I said that it didn&#8217;t look right, though I added the caveat that the same applies to the F-4 Phantom II.<\/p>\n<p>Well, it appears that my hunch meant something. Piper is looking at , <a href=\"http:\/\/www.flightglobal.com\/articles\/2008\/10\/23\/317759\/piper-ponders-back-to-the-future-thrust-augmentation-for.html\">modifications to the airframe to deal with pitch changes from changes in thrust<\/a>. They have an automatic trim system to handle this, but they would like to eliminate this and use, &#8220;a Coanda effect device that would channel the jet&#8217;s exhaust in an appropriate direction to reduce nose-down moment created by adding power and nose-up trim changes when decreasing power.&#8221;<\/p>\n<p>Basically, they are talking a poor man&#8217;s thrust vectoring, I think.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/img174.imageshack.us\/img174\/1543\/pipermi0.jpg\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When I last posted about the PiperJet, I said that it didn&#8217;t look right, though I added the caveat that the same applies to the F-4 Phantom II. Well, it appears that my hunch meant something. Piper is looking at , modifications to the airframe to deal with pitch changes from changes in thrust. They &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1007,1025],"tags":[],"class_list":["post-194090","post","type-post","status-publish","format-standard","hentry","category-aviation","category-technology"],"_links":{"self":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/194090"}],"collection":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/comments?post=194090"}],"version-history":[{"count":0,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/194090\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/media?parent=194090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/categories?post=194090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/tags?post=194090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}