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Forum Index : Windmills : tangled/twisted wires
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adric22 Regular Member ![]() Joined: 06/08/2008 Location: United StatesPosts: 47 |
When building a windmill, how do you run wires down the pole without worrying of them eventually twisting themselves too much? After all, the windmill is going to spin around with the change of direction in the wind. |
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CraziestOzzy![]() Senior Member ![]() Joined: 11/07/2008 Location: AustraliaPosts: 135 |
Have a look at (link) and A search on the WWW will raise more answers for sure.(link) http://cr4.globalspec.com/member?u=25757 http://www.instructables.com/member/OzzyRoo/ |
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Dodgeman![]() Newbie ![]() Joined: 19/07/2008 Location: United StatesPosts: 33 |
In my experience with a small dc mill,, The mill rotates randomly, about the same one direction as it does the other, I had wires taped to the outside of the pole (with some slack at the top to allow for some spinning) for almost a year, I never had to take it down to unwind the cord. Keep in mind, this was a fairly small mill with small speaker wire. I will be building something to let me run the wires inside the pole for my new larger mill. I have decided on a neck assembley from a motorcycle, a bicycle neck bearing would also work for smaller mills. I am referring to the part (neck bearing assembley) that houses the bearings which allow a person to turn the handlebars and front wheel. |
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windlight Guru ![]() Joined: 03/03/2007 Location: AustraliaPosts: 331 |
If the site of your mill is clear of turbulance the turbine does not, in my experience twist up the drop cable. If you have trees or building causing turbulance you will most definatly have problems. allan "I like this place and willingly could waste my time in it" - (Act II, Scene IV). |
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KiwiJohn Guru ![]() Joined: 01/12/2005 Location: New ZealandPosts: 691 |
The chances of the wires twisting more in one direction than the other will be influenced somewhat by where in the world you live! Australia, if I remember correctly, has a more or less permanent high pressure system over the island continent and wind patterns are in many places influenced mostly by local effects such as sea breezes for example. New Zealand on the other hand sits in the path of a continuous sequence of weather systems that migrant around the world at these lattitudes giving a more or less consistent sequence of winds. If I had paid more attention 40 years ago when I should have been learning this stuff I would be able to tell you what the typical sequence of winds are in NZ, but I didnt so all I can say is some places will be different to others! |
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Gizmo![]() Admin Group ![]() Joined: 05/06/2004 Location: AustraliaPosts: 5117 |
In the winter months my windmill does the rounds a couple of times per day, so I need to "unwind" it. My drop wires goes down the middle of my tower, and at the bottom I have a quick conect plug. Every few days I just unplug the drop wire and let it unwind itself. In summer the wind is mostly from the north east, and I can go for months without unwinding the drop wire. Glenn The best time to plant a tree was twenty years ago, the second best time is right now. JAQ |
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