{"id":188624,"date":"2010-08-22T05:15:00","date_gmt":"2010-08-22T10:15:00","guid":{"rendered":"https:\/\/www.panix.com\/~msaroff\/40years\/2010\/08\/22\/tests-of-alternate-jsf-engine-show-higher-thrust\/"},"modified":"2010-08-22T05:15:00","modified_gmt":"2010-08-22T10:15:00","slug":"tests-of-alternate-jsf-engine-show-higher-thrust","status":"publish","type":"post","link":"https:\/\/www.panix.com\/~msaroff\/40years\/2010\/08\/22\/tests-of-alternate-jsf-engine-show-higher-thrust\/","title":{"rendered":"Tests Of Alternate JSF Engine Show Higher Thrust"},"content":{"rendered":"<p>GE&#8217;s F-136 has <a href=\"http:\/\/www.aviationweek.com\/aw\/generic\/story_generic.jsp?channel=awst&amp;id=news\/awst\/2010\/08\/16\/AW_08_16_2010_p18-247454.xml&amp;headline=Alternate%20JSF%20Engine%20Thrust%20Beats%20Target\">demonstrated a 15% sea level thrust advantage over the Pratt &amp; Whitney F135<\/a> at the USAF&#8217;s Arnold Engineering Development Center.<\/p>\n<p>Additionally, GE is saying that they are doing this at lower turbine inlet temperatures, which would imply lower maintenance costs as well as greater upgrade capability:<\/p>\n<blockquote style=\"color: rgb(0, 0, 153);\"><p>The intense battle over powering the F-35 Joint Strike Fighter could be heading to new levels following test results that show the General Electric\/Rolls-Royce F136 alternate engine has more than 15% thrust margin against specification, significantly exceeding the power of the baseline Pratt &amp; Whitney F135.<\/p>\n<p>The tests at the U.S. Air Force\u2019s Arnold Engineering Development Center (AEDC) in Tullahoma, Tenn., are the first to officially calibrate the combat-rated thrust of a production-representative F136 at sea level conditions. Although the test program is only a matter of days old, it already appears to be showing greater performance margin in afterburner than expected, says the General Electric Rolls-Royce Fighter Engine Team.<\/p><\/blockquote>\n<p>I would note that it is likely that, as with the F100\/F110 comparison, that the GE engine is somewhat heavier, which would imply that at higher altitudes the P&amp;W engines would provide better performance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GE&#8217;s F-136 has demonstrated a 15% sea level thrust advantage over the Pratt &amp; Whitney F135 at the USAF&#8217;s Arnold Engineering Development Center. Additionally, GE is saying that they are doing this at lower turbine inlet temperatures, which would imply lower maintenance costs as well as greater upgrade capability: The intense battle over powering the &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1007,1128],"tags":[],"class_list":["post-188624","post","type-post","status-publish","format-standard","hentry","category-aviation","category-propulsion"],"_links":{"self":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/188624"}],"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=188624"}],"version-history":[{"count":0,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/188624\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/media?parent=188624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/categories?post=188624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/tags?post=188624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}