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Danish Windmill blows up.
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Professional Poster
Join Date: Nov 2004
Location: eating kernel
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Signature depreciated.
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Posting Junkie
Join Date: Jan 2006
Location: Seattle, Washington
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Wow, that's pretty insane. That shrapnel would be very dangerous. Glad we don't have any of those nearby 
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Mac Elite
Join Date: Aug 2003
Location: Minnesota
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Wonder how high those winds were. And just how did that guy know to film that wind turbine at that very moment?
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Posting Junkie
Join Date: Jan 2006
Location: Seattle, Washington
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Originally Posted by alligator 
Wonder how high those winds were. And just how did that guy know to film that wind turbine at that very moment?
He had a premonition through the Force.
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Professional Poster
Join Date: Jan 2001
Location: Between Sydney and Melbourne
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Professional Poster
Join Date: Nov 2004
Location: eating kernel
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Originally Posted by alligator
Wonder how high those winds were. And just how did that guy know to film that wind turbine at that very moment?
The governor and brakes failed. They knew it was going to fail catastrophically at some point and sent a crew out to recover the pieces when it did fail.
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Signature depreciated.
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Posting Junkie
Join Date: Dec 2000
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Originally Posted by alligator
And just how did that guy know to film that wind turbine at that very moment?
Something was rotten in Denmark.
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Professional Poster
Join Date: Nov 2004
Location: eating kernel
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Signature depreciated.
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Clinically Insane
Join Date: Oct 2001
Location: San Diego, CA, USA
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Originally Posted by alligator
Wonder how high those winds were. And just how did that guy know to film that wind turbine at that very moment?
Judging from YouTube, it looks like a lot of people happened to be filming it. Probably because the windmill was going crazy in the storm and they thought it would be cool to film.
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Chuck
___
"Instead of either 'multi-talented' or 'multitalented' use 'bisexual'."
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Professional Poster
Join Date: Mar 2000
Location: New York, NY, USA
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That's the thing about carbon fiber. When it goes, it really goes.
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The era of anthropomorphizing hardware is over.
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Mac Elite
Join Date: May 2001
Location: Vancouver
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Awesome... the thing just disintegrated!
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Addicted to MacNN
Join Date: Oct 2003
Location: Far above Cayuga's waters.
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wasn't there a house with this happening?
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Clinically Insane
Join Date: Dec 2000
Location: Caught in a web of deceit.
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Originally Posted by Don Pickett
That's the thing about carbon fiber. When it goes, it really goes.
Yeah, I saw a clip of a women's road bike race on TV. One woman's carbon wheels just disintegrated during the race (all caught on camera). A bazillion pieces. She ended up in the hospital.
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Mac Elite
Join Date: Dec 2000
Location: Netherlands
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Originally Posted by C.A.T.S. CEO
I know Dutch but this is Danish 
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{Animated sigs are not allowed.}
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Professional Poster
Join Date: Jan 2001
Location: Between Sydney and Melbourne
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Moderator  Join Date: Mar 2004
Location: Copenhagen
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Originally Posted by C.A.T.S. CEO
Like PB2K said, that’s Danish, not Dutch. 
Translation:
“A windmill collapsed and broke in half on a field between Hadslev and Hornslet [two small towns, probably in Jutland]. Look here.
The police have set up a safety zone of a 400 metre radius. No one was hurt. The windmill, which had started running amock, was going at a neckbreak speed, and shrapnel and wing pieces are spread over a large area of land.
At our web site, we’ve collected more pictures of the windmill gone crazy, and the pieces that are left of it; you can see it all at nyhederne.tv2.dk.”
(And that broadcaster was named sexiest man or something like that in a Danish gay magazine last week  )
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Professional Poster
Join Date: Jan 2001
Location: Between Sydney and Melbourne
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Originally Posted by Oisín
Like PB2K said, that’s Danish, not Dutch.
But the idea is dutch, no?
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Administrator  Join Date: Apr 2001
Location: San Antonio TX USA
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It looks like the wind was high enough that a blade clipped the tower. That caused that blade to disintegrate, which threw off the others so they disintegrated. The blade striking the tower also damaged it enough that it collapsed. Did anyone else note how the blade chunks flew BACK toward the tower after they had flown off? That's some wind! And of course without something keeping the blades from going too fast, they can get wobbly and have a higher chance of losing the stiffness they need to turn in one plane.
Overall it was amazing to see, but I'm glad I was in Texas when it happened!
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Glenn -----
OTR/L, MOT, Tx
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Moderator Join Date: Mar 2004
Location: Copenhagen
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Originally Posted by ghporter
It looks like the wind was high enough that a blade clipped the tower. That caused that blade to disintegrate, which threw off the others so they disintegrated. The blade striking the tower also damaged it enough that it collapsed. Did anyone else note how the blade chunks flew BACK toward the tower after they had flown off? That's some wind! And of course without something keeping the blades from going too fast, they can get wobbly and have a higher chance of losing the stiffness they need to turn in one plane.
Overall it was amazing to see, but I'm glad I was in Texas when it happened!
It wasn’t that bad, the wind. It was a regular storm, nothing coming even close to some of the storms you get in the US. There were individual gusts of wind of up to about 31 m/s (which Dashboard tells me is about 85 mph), which is hurricane speeds. But the average wind speed was far below that, about 20 m/s (45 mph).
I’ve been at work all weekend and haven’t had the time to watch any news, so if it hadn’t been for this thread, I’d never even have known there was a storm on. It was just regular wind over here.
It doesn’t take that much wind to change the direction of a flying windmill wing, though: they’re extremely light and easily blown around.
CATS—it didn’t say anywhere that the governor had failed, only the braking systems. Vestas had apparently had some technicians in this particular mill the same day who then ordered the extraordinarily large safety zone to be set up when they’d found the braking systems to be faulty, and knowing there was a storm on its way. The three other times that this has happened over the past few months, Vestas mills going ballistic and losing wings in the UK and Gotland, it’s apparently been because Vestas hadn’t been maintaining the mills properly; time will tell whether that’s the case here, too (and the second one in Odsherred that apparently lost a wing yesterday, as well).
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Moderator Join Date: Sep 2000
Location: Irvine, CA
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Originally Posted by CharlesS
Something was rotten in Denmark.
A fitting quote.
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{{{ mindwaves }}}
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Moderator Join Date: Mar 2004
Location: Copenhagen
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Originally Posted by mindwaves
A fitting quote.
No, this mill wasn’t in Dybbøl.
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Professional Poster
Join Date: Oct 2004
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Originally Posted by imitchellg5
Glad we don't have any of those nearby
A freak occurrence.
This attitude seems to be a problem in America...people don't want to "destroy" their view of their scenery. I would love to have one on my property, but I built such an energy efficient passive solar house, that it is not at all cost effective at this point.
I wish America would embrace wind energy the way some european countries have. I actually think they are lovely.
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__________________________________________________
Play Food Fight! available free on the App Store!
Or how about a really weird (or stupid) game: Nesen Probe, it's also free.
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Moderator Join Date: Mar 2004
Location: Copenhagen
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This attitude seems to be a problem in America...people don't want to "destroy" their view of their scenery.
It’s a problem here, too. People always bitch and moan about it whenever they’re planning a new windmill park somewhere.
I like them, though, I think they’re beautiful. A park of about 100 windmills all moving in unison is a thing of beauty to behold, if you ask me, not a blemish on the horizon.
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Addicted to MacNN
Join Date: Sep 2000
Location: The Rock
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Yeah. I'd never seen any (besides the big one in Toronto's downtown park) but I ran into a windmill farm well north of Toronto a few years back. It was actually surprisingly pleasing to look at, to be honest. Very mesmerizing. Certainly much more attractive than an industrial power-generating plant. Now if we only didn't need to worry about the blades flying off and cutting people in half....
greg
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Mankind's only chance is to harness the power of stupid.
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Addicted to MacNN
Join Date: Oct 2003
Location: Far above Cayuga's waters.
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i'm pretty sure that in later generations of these windmills, the blades turn parallel to the wind so they just sit there, so you don't have to worry about the stress of a brake in a high wind situation.
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Professional Poster
Join Date: Oct 2004
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I'm suspecting this had to do with gears locking up and not the stress of the wind itself.
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__________________________________________________
Play Food Fight! available free on the App Store!
Or how about a really weird (or stupid) game: Nesen Probe, it's also free.
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