Pure COTS AWEAn obscure rotor kite design, its principle wrongly attributed to the Magnus Effect (its really a Darrieus HAWT that flies) naturally makes effective pumping power. Prism Kites of Seattle makes a good version (Flip Kite™) that actually turned a KiteLab groundgen (five pound flywheel and 25W generator) in Italy. It did not (of course) make rated power for the unit, but did overcome a couple of watts of internal friction. The kite is well suited to drive a small cell-phone charger.
Prism Kite Technology | Flip Kite
CoolIP ~Dave Santos 1Oct2011 AWE4362
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