{"id":2061,"date":"2008-08-24T06:52:44","date_gmt":"2008-08-24T06:52:44","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/08\/24\/pratt-whitney-p\/"},"modified":"2012-07-12T09:06:43","modified_gmt":"2012-07-12T09:06:43","slug":"pratt-whitney-p","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/08\/24\/pratt-whitney-p\/","title":{"rendered":"Pratt &amp; Whitney prend de l&rsquo;avance sur Snecma-GE avec son tout dernier  moteur PW1000G"},"content":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; <strong><span style=\"font-size: 1.4em\">P<\/span><\/strong>ratt &amp; Whitney vient de terminer ses essais sur banc de son dernier moteur, le PW1000G (Geared Turbofan) qui pr\u00e9sente comme innovation fondamentale de poss\u00e9der <u>un r\u00e9ducteur de vitesse<\/u> qui permet au fan de tourner moins vite que le compresseur ou la turbine basse pression (FIG.). Le fan tournant moins vite, le bruit est r\u00e9duit de 10 dB et la consommation en k\u00e9ros\u00e8ne de 10 \u00e0 12%. C&rsquo;est donc une am\u00e9lioration consid\u00e9rable que va apporter ce petit moteur aux Compagnies a\u00e9riennes r\u00e9gionales, \u00e9trangl\u00e9es par les prix du k\u00e9ros\u00e8ne. Le turbofan est maintenant parti pour Toulouse, chez Airbus, o\u00f9 il va faire l&rsquo;objet de tests en vol intensifs durant le quatri\u00e8me trimestre de cette ann\u00e9e sur un A340. Airbus sera donc le premier constructeur \u00e0 pouvoir utiliser ce nouveau moteur \u00e9conomique et peu bruyant.&nbsp; Mais c&rsquo;est ce turbor\u00e9acteur qui a \u00e9t\u00e9 choisi par Mitsubishi Heavy Industries pour son tout nouvel avion mono couloir le MRJ qui devrait d\u00e9marrer ses vols commerciaux chez ANA en 2013 (<a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/un-avion-rgiona.html_.png\">LIRE<\/a>). C&rsquo;est le m\u00eame mod\u00e8le qui a \u00e9t\u00e9 s\u00e9lectionn\u00e9 par Bombardier pour sa future nouvelle gamme \u00e9conomique de la S\u00e9rie C. Nul doute que P &amp; W, avec cette innovation,&nbsp; prend une longueur d&rsquo;avance sur son concurrent Snecma-GE (CFM) dans le domaine des petits moteurs.<a href=\"http:\/\/clabedan.typepad.com\/photos\/uncategorized\/2008\/08\/23\/prattgeared.png\"><img loading=\"lazy\" decoding=\"async\" height=\"325\" alt=\"Prattgeared\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/prattgeared.png\" width=\"480\"  \/><\/a><\/p>\n<p>Le 24 Ao\u00fbt 2008.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Pratt &amp; Whitney vient de terminer ses essais sur banc de son dernier moteur, le PW1000G (Geared Turbofan) qui pr\u00e9sente comme innovation fondamentale de poss\u00e9der un r\u00e9ducteur de vitesse qui permet au fan de tourner moins vite que le compresseur ou la turbine basse pression (FIG.). Le [&hellip;]<\/p>\n","protected":false},"author":341,"featured_media":9926,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2061","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rechauffement-climatique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pratt &amp; Whitney prend de l&#039;avance sur Snecma-GE avec son tout dernier moteur PW1000G - leblogenergie.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2008\/08\/24\/pratt-whitney-p\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Pratt &amp; Whitney prend de l&#039;avance sur Snecma-GE avec son tout dernier moteur PW1000G - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Pratt &amp; Whitney vient de terminer ses essais sur banc de son dernier moteur, le PW1000G (Geared Turbofan) qui pr\u00e9sente comme innovation fondamentale de poss\u00e9der un r\u00e9ducteur de vitesse qui permet au fan de tourner moins vite que le compresseur ou la turbine basse pression (FIG.). 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