Wouter van Ooijen wrote:
> So most designs are 2 or 3. Except for the
> american 'slow runners' with lots of blades, which are not used to
> generate electricity (used for water pumping?).

And the large wooden ones in your country which often seem to have 4 blades.
I understand they were also used for grinding grain and pumping water (a
useful thing to be good at when you live below sea level).


******************************************************************
Embed Inc, Littleton Massachusetts, (978) 742-9014.  #1 PIC
consultant in 2004 program year.  http://www.embedinc.com/products
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist