new flight endurance record Archives – The Green Optimistic green tech news, since 2008 Sat, 17 Oct 2009 06:39:10 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Ion Tiger, Fuel Cell Powered UAV Sets Flight Time Record https://www.greenoptimistic.com/ion-tiger-fuel-cell-powered-uav-sets-flight-time-record-20091017/ https://www.greenoptimistic.com/ion-tiger-fuel-cell-powered-uav-sets-flight-time-record-20091017/#comments Sat, 17 Oct 2009 06:39:10 +0000 https://www.greenoptimistic.com/?p=4802 Ion Tiger is a hydrogen-powered fuel cell unmanned air vehicle (UAV) developed by the Naval Research Laboratory . It has set an unofficial flight endurance record by flying 23 hours and 17 minutes at Aberdeen Proving Ground.

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