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Old Today, 03:57 PM   #43721
Suburbanist
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Quote:
Originally Posted by ChrisZwolle View Post
Are there physical limitations in regards to wind turbines? They're planning 265 meter high wind turbines in Flevoland province in the Netherlands - on land.
Pylon height is less of a challenge than blade length. Major challenge is transporting the pylon sections from assembly plant to their final location.

Long blades have several aerodynamic challenges. The outer speed of long blades is high, and the relative difference on air speed along the blades require some interesting materials solution. Operational rotation speed at the tip of modern blades can reach 350km/h.

Generally speaking, as she told me, the lowest point on the trajectory of the blades should be at least some 40m above the prevailing altitude of ground obstacles such as trees in a park, or barren land.

A Dutch-Danish consortium is looking into taking over a massive off-shore project in the middle of the North Sea, in an area where the sea is generally shallow and winds very strong. This is some 300km away from the coast...
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Old Today, 05:32 PM   #43722
ChrisZwolle
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A lighthouse in Denmark is being moved inland due to erosion of the dune it is located on.



This comparison shows the movement of the dune inland.

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Old Today, 07:52 PM   #43723
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In Poland we used to have a church which wasn't moved...

This is what remains now:



If they didn't reinforce the cliff, this wall would have already disappeared.

150 years ago the whole church was still there:


http://www.geotekst.pl/files/custom/...sacz_old_1.jpg

https://en.wikipedia.org/wiki/Ruins_..._Trzęsacz
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Old Today, 08:15 PM   #43724
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If you have to park wrongly and be caught, don't make it in Rijeka. They have the worst towing service in the universe. (open the video in the link)

https://www.24sata.hr/news/slampavi-...-na-nos-654885
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Old Today, 09:15 PM   #43725
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Originally Posted by x-type View Post
If you have to park wrongly and be caught, don't make it in Rijeka. They have the worst towing service in the universe. (open the video in the link)

https://www.24sata.hr/news/slampavi-...-na-nos-654885
I wonder who regretted the illegal parking more.
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