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Ion Drive of an Airplane - from MIT
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[QUOTE="Peter Terren, post: 6093505"] I have been making "flying" contraptions with ionic levitation for many years called "lifters". These are light weight, flimsy and made with balsa, foil and cotton in a triangular shape. They are tethered to the ground that with fine wires feeding 80kV. At this voltage the device is buzzing with corona and occasional 4cm arc overs. The 80kV version weighs 4.6 g and can lift 4.1 g ie roughly its own weight. It is about 30cm on a side and snaps up to the tethers at around 30cm. This is a better ratio than many helicopters but the rub is that a lifter has a power supply on the ground. The 2,400 g aircraft as described in this article has been able to lift off with an on board power supply within the very stringent weight restriction. Horizontal flight makes this more feasible than vertical flight as in a lifter though. My lifters and details here: [URL]http://tesladownunder.com/Lifters.htm[/URL] [/QUOTE]
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Ion Drive of an Airplane - from MIT
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