Ever considered having a wind turbine? What if you were told you could build your own device to harness the wind power which were ten to thirty times more efficient and cheaper than building your own wind turbine?
Well look no further, the next wind power has arrived. And it’s called Windbelt.
Inspired by the collapse of Tacoma Narrows Bridge in 1940, the young inventor Shawn Frayne came up with the idea of generating electricity through a science known as aeroelasticity, by looking into an effect known as the aeroelastic flutter effect.
Basically, when the wind goes through a membrane that is attached to two magnets on both its extreme ends, the ressonance on the membrane increases its vibrations, making the magnets move up and down next to electromagnetic coils, therefore inducing current in the wires that make up the coil.
The benefits when comparing to micro wind turbines are obvious: micro wind turbines have too much friction in gearbox and other components, which reduces their efficiency.
“With rotary power, there’s nothing out there that generates under 50 watts,” Frayne says.
A new upgraded device, recently developed, is now 100 times more efficient than before, generating between 3 to 10 watts in power at around $2 per watt. Frayne is hoping these kind of technological solutions will help overcome many energy problems in developing countries.
Here is a video showing one of his firsts windbelts working:
For those interested in making their own, here are some instructables links: