{"id":193310,"date":"2008-12-27T06:30:00","date_gmt":"2008-12-27T11:30:00","guid":{"rendered":"https:\/\/www.panix.com\/~msaroff\/40years\/2008\/12\/27\/a-thrust-to-weight-ratio-of-6-61\/"},"modified":"2008-12-27T06:30:00","modified_gmt":"2008-12-27T11:30:00","slug":"a-thrust-to-weight-ratio-of-6-61","status":"publish","type":"post","link":"https:\/\/www.panix.com\/~msaroff\/40years\/2008\/12\/27\/a-thrust-to-weight-ratio-of-6-61\/","title":{"rendered":"A Thrust-to-Weight Ratio of 6.6:1"},"content":{"rendered":"<p>Bill Sweetman teases out some information which sheds some light on the <a href=\"http:\/\/www.aviationweek.com\/aw\/blogs\/defense\/index.jsp?plckController=Blog&amp;plckScript=blogScript&amp;plckElementId=blogDest&amp;plckBlogPage=BlogViewPost&amp;plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3A00ebc3ee-116e-4c02-97df-bb460fe7e001\">relatively low thrust to weight ratio of the F-35 JSF<\/a>, the fact that the Pratt &amp; Whitney F135 engine has a thrust to weight ratio of only 6.6:1.<\/p>\n<p>By comparison, the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Pratt_%26_Whitney_F100\">F-100 engine<\/a> (F-15, F-16), whose contract was awarded in 1970, has a thrust\/weight ratio of 7.8:1, and the more modern F414 and EJ2000 (Superbug and Typhoon) exceed 9:1 thrust to weight.<\/p>\n<p>Additionally, he notes that the vertical lift system used on the F-35B weighs 10,472 pounds with a thrust of 40,550 pounds, giving a thrust to weight ratio in that mode of 3.87:1, as compared to 5.6:1 for the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Rolls_Royce_Pegasus\">Rolls Royce Pegasus used on the Harrier<\/a>.<\/p>\n<p>There is a saying that you can&#8217;t make a race horse out of a pig, but you can get an awfully fast pig, the F-4 Phantom comes to mind, but this is not a fast pig.<\/p>\n<p>Pics of the F135 promotional brochure are from <a href=\"http:\/\/www.f-16.net\/f-16_forum_viewtopic-t-11547.html\">here<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/img132.imageshack.us\/img132\/2961\/pw1103da4.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/img399.imageshack.us\/img399\/7796\/pw23722169692hs9.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/img132.imageshack.us\/img132\/2553\/pw3141wa9.jpg\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bill Sweetman teases out some information which sheds some light on the relatively low thrust to weight ratio of the F-35 JSF, the fact that the Pratt &amp; Whitney F135 engine has a thrust to weight ratio of only 6.6:1. By comparison, the F-100 engine (F-15, F-16), whose contract was awarded in 1970, has a &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1007,1128,1025],"tags":[],"class_list":["post-193310","post","type-post","status-publish","format-standard","hentry","category-aviation","category-propulsion","category-technology"],"_links":{"self":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/193310"}],"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=193310"}],"version-history":[{"count":0,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/193310\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/media?parent=193310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/categories?post=193310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/tags?post=193310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}