{"id":999,"date":"2007-12-25T16:04:21","date_gmt":"2007-12-25T16:04:21","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogmoto\/2007\/12\/25\/clean-snowmobil\/"},"modified":"2012-07-11T15:07:42","modified_gmt":"2012-07-11T15:07:42","slug":"clean-snowmobil","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogmoto\/2007\/12\/25\/clean-snowmobil\/","title":{"rendered":"Clean Snowmobile Challenge"},"content":{"rendered":"

\"3_kettering_img_7147\"<\/a>Le Clean Snowmobile Challenge est une comp\u00e9tition inter-universitaire qui a pour but de d\u00e9velopper des moto-neiges propres. Cette ann\u00e9e, elle s’est tenue en mars 2007 \u00e0 l’Universit\u00e9 Technologique du Michigan, et 13 \u00e9quipes s’y \u00e9taient engag\u00e9es.<\/p>\n

Initialement pr\u00e9vues comme moyen de locomotion dans les zones rurales, les motos-neige sont rapidement devenues un sport de loisirs aux Etats-Unis, dans les ann\u00e9es 50. En 1970, elles jouissent d\u2019une mauvaise r\u00e9putation \u00e0 cause de leur impact n\u00e9gatif sur l\u2019environnement. Les r\u00e9glementations deviennent de plus en plus strictes, et d\u2019ici 2012, il faut savoir que les \u00e9missions des motos neige devront \u00eatre r\u00e9duites de 70%.<\/p>\n

En 2002, la Soci\u00e9t\u00e9 des Ing\u00e9nieurs Automobile am\u00e9ricaine (SAE) a cr\u00e9\u00e9 le Clean Snowmobile Challenge (CSC) pour les \u00e9tudiants de diff\u00e9rentes universit\u00e9s. Une \u00e9quipe de l\u2019Universit\u00e9 de Kettering<\/a> (photo ci-dessus), Michigan, USA, a remport\u00e9 la seconde place de cette comp\u00e9tition 2007. <\/p>\n

L’impact n\u00e9faste des moto-neiges sur l’environnement est d\u00fb au fait que l’essence, \u00e0 cause du froid et de la densit\u00e9 de l’air, ne se br\u00fble pas int\u00e9gralement.<\/p>\n

L\u2019\u00e9quipe de Kettering, sous l\u2019\u00e9gide du Professeur d\u2019Engineering m\u00e9canique, Dr Greg Davis, que l\u2019\u00e9quipe a relev\u00e9 le challenge en construisant une moto-neige plus propre, en se servant de technologies peu co\u00fbteuses, et de m\u00e9thodes innovantes applicables d\u00e8s \u00e0 pr\u00e9sent. C\u2019est le mod\u00e8le Polaris FST, 749 ch, moteur turbo 2 cylindres, qui a \u00e9t\u00e9 choisi pour transformer ce Skidoo en moto-neige propre.
Le groupe d\u2019\u00e9tudiants de Kettering s\u2019est focalis\u00e9 sur la r\u00e9duction des \u00e9missions, du bruit, et du poids tout en maintenant les performances et la fiabilit\u00e9 de la moto-neige.
Pour r\u00e9pondre \u00e0 la r\u00e9cente instabilit\u00e9 des prix de l\u2019essence aux USA, l\u2019\u00e9quipe a choisi d\u2019adapter le moteur de la moto-neige Polaris pour qu\u2019il puisse fonctionner avec un m\u00e9lange de carburants constitu\u00e9 de 85% d\u2019\u00e9thanol et ainsi r\u00e9pondre aux r\u00e9glementations pr\u00e9vues en 2012.<\/p>\n

L\u2019\u00e9quipe a r\u00e9alis\u00e9 de nombreux tests pour s\u2019assurer que les composants du syst\u00e8me initial \u00e9taient bien compatibles avec l\u2019utilisation de l\u2019Ethanol E85. Pour obtenir les meilleurs r\u00e9sultats possibles, l\u2019\u00e9quipe a pass\u00e9 \u00e9norm\u00e9ment de temps pour optimiser le contr\u00f4le du moteur. <\/p>\n

Tout cela, aid\u00e9s par l’entreprise ETAS<\/a> qui fournit des outils complets et int\u00e9gr\u00e9s ainsi que des solutions pour le d\u00e9veloppement et le service des calculateurs \u00e9lectroniques automobiles.<\/p>\n

L\u2019\u00e9quipe est tr\u00e8s confiante et pense que les r\u00e9sultats pourront \u00eatre encore am\u00e9lior\u00e9s dans le futur. Les syst\u00e8mes mat\u00e9riels et logiciels ETAS<\/a> ont aid\u00e9 les \u00e9tudiants \u00e0 \u00eatre pr\u00eats pour rentrer dans la comp\u00e9tition plus rapidement qu\u2019ils ne l\u2019esp\u00e9raient. Cela leur a permis d\u2019obtenir les meilleurs r\u00e9sultats en termes d\u2019\u00e9missions, de puissance et d\u2019efficacit\u00e9. <\/p>\n

Le Docteur Greg Davis a d\u00e9clar\u00e9 : " l\u2019\u00e9quipe s\u2019est vraiment bien d\u00e9brouill\u00e9e, malgr\u00e9 tous les al\u00e9as qu\u2019elle a rencontr\u00e9s. Elle n\u2019a qu\u2019une h\u00e2te : \u00eatre \u00e0 nouveau tr\u00e8s bien plac\u00e9e l\u2019an prochain ! ". " Gr\u00e2ce aux sponsors comme ETAS, nous avons pu faire des recherches sur des carburants m\u00e9lang\u00e9s avec de l\u2019\u00e9thanol pour des v\u00e9hicules de loisirs tels que les motos-neige ."<\/p>\n

Est-ce que ces d\u00e9couvertes pourraient \u00eatre appliqu\u00e9s au domaine de la moto en g\u00e9n\u00e9ral, nous le saurons peut-\u00eatre bient\u00f4t…<\/p>\n

Source : News Eco<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"

Le Clean Snowmobile Challenge est une comp\u00e9tition inter-universitaire qui a pour but de d\u00e9velopper des moto-neiges propres. Cette ann\u00e9e, elle s’est tenue en mars 2007 \u00e0 l’Universit\u00e9 Technologique du Michigan, et 13 \u00e9quipes s’y \u00e9taient engag\u00e9es. Initialement pr\u00e9vues comme moyen de locomotion dans les zones rurales, les motos-neige sont rapidement devenues un sport de loisirs […]<\/p>\n","protected":false},"author":329,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,13,30],"tags":[],"class_list":["post-999","post","type-post","status-publish","format-standard","hentry","category-actualite","category-aventure","category-bio-carburantsvehicules-propres"],"yoast_head":"\nClean Snowmobile Challenge - leblogmoto.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\/leblogmoto\/2007\/12\/25\/clean-snowmobil\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Clean Snowmobile Challenge - leblogmoto.com\" \/>\n<meta name=\"twitter:description\" content=\"Le Clean Snowmobile Challenge est une comp\u00e9tition inter-universitaire qui a pour but de d\u00e9velopper des moto-neiges propres. 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