Le châssis avance!The frame advance!

This is a moment that I had you given more news. Some "small" business constraints, and fatigue in the evening, plus some delivery problems due, seems, to a volcanic cloud (Your parles ...) ont fait que le Mikro­kop­ter n’a pas beau­coup avancé ces derniers temps.

Ce wee­kend je m’y suis mis et j’ai pas […]

Reason's model, ou le principe du gruyèreLe modèle de Reason, or the principle of Gruyere

The principle of Reason is an attempt to explain and accident prevention, whose causes are rarely unique. La plu­part des acci­dents sont la consé­quence d’une suc­ces­sion de faits et/ou de com­por­te­ments qui conduisent à l’accident. If you remove one element of the chain, can at worst do not change much, au mieux […]

La loi de MurphyLa loi de Murphy

A brief history of Murphy's Law, borrowed from the web page referenced. This principle is widely used in aviation seems to me quite timely for our MK, because any error is likely the destruction of the model. Je l’ai appli­qué aussi à l’environnement d’utilisation, parexemple en renon­çant aux bat­te­ries Lpos que […]

Sac de protection pour batteries LiPoSac de protection pour batteries LiPo

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?

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Avantages et inconvénients des batteries LiFePo4Avantages et inconvénients des batteries LiFePo4

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 […]