{"id":199742,"date":"2007-07-01T09:45:00","date_gmt":"2007-07-01T14:45:00","guid":{"rendered":"https:\/\/www.panix.com\/~msaroff\/40years\/2007\/07\/01\/pratt-whitney-considers-geared-open-rotor-concept-28-06-2007-london-flight-international\/"},"modified":"2007-07-01T09:45:00","modified_gmt":"2007-07-01T14:45:00","slug":"pratt-whitney-considers-geared-open-rotor-concept-28-06-2007-london-flight-international","status":"publish","type":"post","link":"https:\/\/www.panix.com\/~msaroff\/40years\/2007\/07\/01\/pratt-whitney-considers-geared-open-rotor-concept-28-06-2007-london-flight-international\/","title":{"rendered":"Pratt Whitney considers geared open rotor concept-28\/06\/2007-London-Flight International"},"content":{"rendered":"<p>Previously, P&#038;W had previously said that the geared turbofan would make propfan\/un ducted fan technology irrelevant.<\/p>\n<blockquote style=\"color: rgb(0, 0, 153);\"><p><span style=\"font-size:130%;\"><a style=\"font-weight: bold;\" href=\"http:\/\/www.flightglobal.com\/articles\/2007\/06\/28\/215261\/pratt-whitney-considers-geared-open-rotor-concept.html\">Pratt Whitney considers geared open rotor concept<\/a><\/span><\/p>\n<p>By Victoria Moores<\/p>\n<p>Pratt &amp; Whitney has begun studies of open rotor engine architecture despite its long-standing pursuit of geared turbofan (GTF) technology, and does not rule out shifting to a propfan configuration if this path is favoured by the airframers.<\/p>\n<p>The company is developing a GTF engine to power the next generation of regional and single-aisle aircraft. This engine&#8217;s low-pressure spool operates at high speeds for peak efficiency, while its fan operates at slower speeds to maximise efficiency and significantly reduce noise.<\/p>\n<p>&#8230;<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Previously, P&#038;W had previously said that the geared turbofan would make propfan\/un ducted fan technology irrelevant. Pratt Whitney considers geared open rotor concept By Victoria Moores Pratt &amp; Whitney has begun studies of open rotor engine architecture despite its long-standing pursuit of geared turbofan (GTF) technology, and does not rule out shifting to a propfan &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-199742","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\/199742"}],"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=199742"}],"version-history":[{"count":0,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/199742\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/media?parent=199742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/categories?post=199742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/tags?post=199742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}