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LiPo batteries tend to bear the evil abuse, and gonflant, puis en se perçant, and sometimes exploding and igniting. To avoid accidents, there are bags of protection. Mais quid de la température extérieure? http://www.dailymotion.com/videox3xflx swfobject.embedSWF(“http://www.dailymotion.com/swf/x3xflx&colors=&autoPlay=0&related=0″, "VVQ-485-dailymotion-1", “480”, “221”, “10”, vvqexpressinstall, vvqflashvars, vvqparams, vvqattributes); Les batteries LiFePo4 (couramment appelées LiFe) offer some advantages over traditional batteries LiPo. They also have some disadvantages. While browsing the web, Here are the pros and cons that I could identify. Avantages Inconvénients solidité certaine encombrement un peu plus important longévité nettement supérieure (jusqu’à 15 cons years 2 years) poids nettement supérieur(+30%) absence de […] Présentation simple des résines polyester et epoxyPrésentation simple des résines polyester et epoxyHere is a document produced by Yann DOBIGNARD fairly simple to read and very clear to know the advantages and disadvantages of reciprocal two families of resins, polyester resin and epoxy resin. Also, it provides the necessary quantities of resin to impregnate each layer of fabric reinforcement. Link: Resine […] A fairly comprehensive document while remaining (almost) easy to read on polymers and composites. It includes explanations on how to place the fibers on different forms. Polymers and composites La pompe à vide est utilisée pour plaquer une paroi souple sur un moule, crushing the layers of a composite plate against a flat surface or complex. It uses suction to flush the fibers of any air bubbles, and the pressure for pressing against each other. On obtient ainsi […] |
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