the Boulle wrote:at the end a vertical wind turbine as a bug to do .....
http://www.dailymotion.com/relevance/se ... hmz=746162
the wind turbine in more detail
It is not to make the joy flap but given the ease that the demonstrator has to stop it: it should not, under the conditions of the video, not output more than 100 to 200W ...
This kind of wind turbine are nevertheless excellent on 2 aspects:
a) their resistance to strong winds
b) the exploitation of weak and strong winds (where a traditional wind turbine does nothing)