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Posted by rpautrey2 on November 1, 2008, 10:39 pm
Please log in for more thread options KOOK!
> rpautrey2 wrote:
> > (NaturalNews) A successful test has been carried out of a new
> > prototype solar dish that concentrates solar rays by 1,000 times,
> > creating what inventor Doug Wood has called "the most efficient solar
> > collector in existence."
>
> BS detector alert. How efficient? Numbers please.
>
> > The device is a 12-foot-wide dish made from thin, mirrored aluminum
> > tubing and strips of mirrored glass. Water runs through the center of
> > the dish in a coil of tubing, which is painted black for maximum heat
> > absorption.
>
> What kind of paint is being used that'll withstand 1,000 suns? I'm
> interested in manufacturer, source, and price (or is this "theoretical"
> paint?)
>
> > The collector is so effective at focusing light that when it is
> > pointed directly at the sun, the water in the middle instantly
> > vaporizes into steam. The prototype has also been used to set a plank
> > of wood on fire, and researchers believe that it should be able to
> > generate enough heat to melt steel.
>
> Very impressive. See 3rd and 4th photos from the bottom athttp://www.iedu=
.com/DeSoto/Projects/Stirling/Heat.html- and that was
> only a 4' wide collector.
>
> > Wood has signed over the rights to the device's design to a team of
> > MIT students, who built the prototype and have launched a company to
> > mass produce the devices. The company, RawSolar, hopes to use heat
> > generated by the collector to produce steam for electricity
> > generation, industrial processing, or heating or cooling buildings.
>
> Heck of a deal. I wonder if the MIT kids were dazzled.
>
> > Wood spoke approvingly of the changes that the students had made to
> > his design
>
> Hmm. Maybe not as dazzled as he'd hoped...
>
> > "They really have simplified this and made it user-friendly, so
> > anybody can build it," he said.
>
> Barring some disability or lack of high school math skills, why would
> anyone not be able to build a parabolic trough?
>
> > Unlike with many alternative energy sources, large-scale production is
> > not required to make the solar dishes cost-efficient, Wood said.
> > Because the materials to make the device are so cheap and because
> > larger dishes require a larger, more expensive support structure,
> > small dishes actually costs only one-third as much as large ones for
> > every unit of collecting area.
>
> BS detector alert!
>
> > "I've looked for years at a variety of solar approaches, and this is
> > the cheapest I've seen," said David Pelly of MIT. "And the key thing
> > in scaling it globally is that all of the materials are inexpensive
> > and accessible anywhere in the world."
>
> Hmm. David needs to get out a bit more.
>
> > Sources for this story include:www.foxnews.com;web.mit.edu.
>
> I would have expected better of an MIT public source.
>
> --
> Morris Dovey
> DeSoto Solar
> DeSoto, Iowa USAhttp://www.iedu.com/DeSoto/
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