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06-22-2010, 07:34 AM
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#1 |
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Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
Posts: 7,208
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At high enough rotational speeds the blades would self destruct.
Some control systems on smaller machines turn the turbine perpendicular to the wind when wind speeds get too high. |
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06-22-2010, 07:46 AM
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#2 |
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The future is unwritten
Join Date: Oct 2002
Posts: 71,105
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The tail, like the ones on these 1904 St Louis World's Fair display, keep the blades pointed into the wind, like a weathervane. By folding the tail 90 degrees, it effectively shuts down the fan, either manually or as HLJ mentioned, as an automatic safety.
__________________
The descent of man ~ Nixon, Friedman, Reagan, Trump. |
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06-24-2010, 07:01 PM
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#3 |
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Cleverly disguised as a responsible adult
Join Date: Jan 2001
Location: Dallas, TX
Posts: 3,338
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The usual size for a trailer is currently 53 feet end to end and it weighs 16,000 lbs empty.
The cost to replace a windmill is around one million per. I see these things all the time.
__________________
Never be afraid to tell the world who you are. -- Anonymous |
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06-25-2010, 06:44 AM
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#4 |
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Beware of potatoes
Join Date: May 2007
Location: Upstate NY, USA
Posts: 2,078
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Plus $3.99, shipping and handling.
__________________
"I believe that being despised by the despicable is as good as being admired by the admirable." |
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06-25-2010, 08:42 AM
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#5 |
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Doctor Wtf
Join Date: Oct 2007
Location: Badelaide, Baustralia
Posts: 12,861
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I have four in three different internet shopping carts right now.
Should I get shipping insurance?
__________________
Shut up and hug. MoreThanPretty, Nov 5, 2008. Just because I'm nominally polite, does not make me a pussy. Sundae Girl. |
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06-25-2010, 09:25 AM
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#6 |
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Person who doesn't update the user title
Join Date: Jun 2010
Location: Bottom lands of the Missoula floods
Posts: 6,402
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Use a Post Office's priority mail box and you don't have to weigh them.
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06-25-2010, 10:03 AM
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#7 |
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Turns out my CRS is a symptom of TMB.
Join Date: Jan 2010
Location: Chicago suburbs
Posts: 2,916
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Given the pictures in the op, this seems a little negligent.
__________________
   Talk nerdy to me. |
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06-25-2010, 12:40 PM
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#8 | |
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Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
Posts: 7,208
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Quote:
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06-25-2010, 10:10 PM
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#9 |
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The future is unwritten
Join Date: Oct 2002
Posts: 71,105
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Looks like something to warn trucks of the clearance on the signs ahead.
__________________
The descent of man ~ Nixon, Friedman, Reagan, Trump. |
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06-25-2010, 10:26 AM
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#10 |
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I can hear my ears
Join Date: Oct 2003
Posts: 25,571
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__________________
This body holding me reminds me of my own mortality Embrace this moment, remember We are eternal, all this pain is an illusion ~MJKeenan |
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06-25-2010, 11:05 PM
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#11 | |
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Beware of potatoes
Join Date: May 2007
Location: Upstate NY, USA
Posts: 2,078
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Quote:
__________________
"I believe that being despised by the despicable is as good as being admired by the admirable." |
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