This wind powered generator starts making energy at 2 mph.
Rooftop wind turbine
This wind powered generator starts making energy at 2 mph.--if chickenwire or such screen cage was put around it to protect birds
Japanese researchers have created a technology called "Wind Lens" that could double-to-triple the potential output of a wind turbine (snapshot from YouTube video) via mnn.com
For the cost of an iPhone, you can now buy a wind turbine that can power an entire house for a lifetime - ORGANIC AND HEALTHY
The Zoetrope Wind Turbine - Simple DIY 200 Watt Wind Turbine Built From Household Materials
Wind generator for residential use.
For the Cost of an Iphone, A Wind Turbine Can Power An Entire House
"Wind Lens" Turbines Could Boost Energy Generation 3X by Ariel Schwartz, 08/02/10 Read more: "Wind Lens" Turbines Could Boost Energy Generation 3X | Inhabitat - Sustainable Design Innovation, Eco Architecture, Green Building
Indian startup Avant Garde Innovations has developed a low-cost wind turbine that can generate 3-5 kW hours of electricity every day. ...