View Single Post
Old 03-25-15, 05:55 AM   #3
Mikesolar
Master EcoRenovator
 
Mikesolar's Avatar
 
Join Date: Aug 2012
Location: Toronto
Posts: 958
Thanks: 40
Thanked 158 Times in 150 Posts
Default

The Hugh Piggot brake drum turbine was supposed to start up in around 4-5mph and had a big enough swept area to actually produce something. You had to have a good high wind cutout scheme for it tho.
Mikesolar is offline   Reply With Quote