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#2
February 6th 10, 02:45 AM
posted to rec.aviation.soaring
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70 to 1 L/D Electric Sailplanes
On Feb 5, 8:16*pm, michael henderson wrote:
Very interesting article with Brian Seeley at Comparative Aircraft Flight Efficiency. See: http://www.msnbc.msn.com/id/35258761...science-innova... Michael Antares 20E max L/D is merely 56:1, but much more important is high-speed performance. Ballasted, 41:1 at 100 knots, 31:1 at 120 knots. Not sure where he's seeing 70:1 though... Best Regards, Dave "YO electric" PS: His name is Brien Seeley (not Brian) 
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