adindia
If this is your first diy windturbine, the best info is like Kitestrings said , the books of Hugh Piggott or Dan Bartman .
There you have all the dimensions and materials you need.
Clear explanation how to build .
Furling tail windmills , Later make a passive control hub on it.
@ Sparweb . I lost videos on Youtube by a mistake, pushed a wrong button.
New upload will follow.
Fb Mw1