The device in the picture looks like a hubcap, I know. Is what it is is, it's the single most encouraging breakthrough in small-output wind-powered electrical generation since, I don't know, maybe Ben Franklin. The engineering genius of the Honeywell Wind Turbine is a bit over my head, but I'm an old electrician, and I know a superior motor when I see one: replaceable vanes for easy maintenance, vane orientation works with off-angle winds (obviating pivot bearings), weighs app. 170 lb. with six foot diameter, threshold generating begins at two mph wind speed, and the field windings are in the rim, out where turbine speed produces the greatest possible inductive force. Recommended minimum mounting height is 33 feet (the roof of a two-story American house with attic, roughly) and the retail package is self-contained, with inverter, charge controller and safety switches right in the box. Suggested retail price $6495 US. I found them being marketed at $4500 US, plus shipping. The Honeywell turbine will be marketed, initially, through Ace Hardware retail stores, and its output is estimated at app. 2750 kilowatt-hours/year in winds ranging from 2 mph to 42 mph. Depending upon your local utility rate, that probably means $$300 US or so in energy savings, all put back on the grid, operating, unlike solar PV, 24 hours a day, whenever the wind blows. Service life is estimated at twenty years, with a manufacturer's five-year warranty. This technology didn't come from China, it didn't come from Europe, locations where energy is a higher priority socially and politically. It came from Honeywell's R&D in the great USA, where innovation has for two hundred years been only one of the things we offer to a hungry global economy. Mamas, don't let your babies grow up to be cowboys, Willie Nelson sang. For heaven's sake, encourage them to be engineers and researchers.
Tuesday, August 17, 2010
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Pretty cool! How about the noise factor? Any info about the sound of one, and then the sound of 100 of these?
ReplyDeleteSo glad there are folks who are still improving an existing technology...!