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Author	Topic:   airborne wind turbines
dlittlew Member	posted 12-12-2007 04:13 PM             A couple of these over every town should make it interesting for pilots. Reminds me of reading about barrage balloons used during WWII. http://www.nytimes.com/2007/12/09/magazine/09_1_turbine.html IP: Logged
setnahkt Member	posted 12-12-2007 04:31 PM             quote: ...tethered to the ground by a conductive copper cable... And how much will that cable weigh? IP: Logged
10SNE1 Moderator	posted 12-12-2007 05:55 PM             How big a copper braid does it take to carry 10KW a thousand vertical feet (plus horizontal displacement) continuously and reliably? How much insulation would you need? And how much does all that weigh in fact? Can it even hold its own weight? My guess is that it generates lift, and pulls on its string. So it better be pretty strong, if not light. quote: the 100-foot-wide Magenn Air Rotor System (MARS) will produce 10 kilowatts of energy anywhere on earth I bet it would ice up and crash in a lot of places "on earth". And near a T-storm? Lightning might vaporize its cable and it could float away generating unusable energy and creating aviation havoc forevermore. [This message has been edited by 10SNE1 (edited 12-12-2007).] IP: Logged
Jeff Norman Moderator	posted 12-12-2007 09:16 PM             Lightening for the wire and lightning for the wire. The whole idea will be, well, grounded. IP: Logged

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