unmanned aircraft Archives – The Green Optimistic green tech news, since 2008 Mon, 27 Sep 2010 14:30:28 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 SolarEagle: Boeing's Future Unmanned Aircraft Able To Stay Aloft For More Than 5 Years https://www.greenoptimistic.com/boeing-solareagle-solar-aircraft-20100927/ https://www.greenoptimistic.com/boeing-solareagle-solar-aircraft-20100927/#respond Mon, 27 Sep 2010 14:30:28 +0000 https://www.greenoptimistic.com/?p=10727 The US military's DARPA has signed an $89 million deal with Boeing for the development of a solar powered, unmanned aircraft that could stay aloft for more than five years. Of course, the aircraft would be used in espionage purposes, but the concept is also a testing ground for civilian purposes.

The post SolarEagle: Boeing's Future Unmanned Aircraft Able To Stay Aloft For More Than 5 Years appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/boeing-solareagle-solar-aircraft-20100927/feed/ 0 10727 Zephyr Solar Powered Airplane: Aloft For Two Weeks, Landing on Friday https://www.greenoptimistic.com/zephyr-solar-powered-airplane-20100720/ https://www.greenoptimistic.com/zephyr-solar-powered-airplane-20100720/#comments Tue, 20 Jul 2010 05:20:07 +0000 https://www.greenoptimistic.com/?p=8556 Prototypes are always good if they can prove the weakest link between theory and practice. Then, the heavy industry can have the cake and make it ten times bigger, but the start and beauty of things is in the trial-and-error phase. Such is the case of Zephyr, a solar powered aircraft that took off more than seven days ago and is still aloft.

The post Zephyr Solar Powered Airplane: Aloft For Two Weeks, Landing on Friday appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/zephyr-solar-powered-airplane-20100720/feed/ 1 8556