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tempt » TRANSPORT-TRANSPORTATION » Päikese(elektri)lennundus



Taavi @ 08.07.2010 15:55 | Registreerunud: 01.04.2003

Peale Solar Impulse öölendu võib öelda, et algust on tehtud täiesti uudse lennundusharuga.



Taavi @ 21.07.2010 12:37 | Registreerunud: 01.04.2003

High above the US Army’s Yuma Proving Ground in Arizona, world records are being broken by a waify aircraft called the Zephyr. We recently reported on the Solar Impulse flying the first 24-hour flight and proving that a sun-powered plane can fly at night, but the Zephyr has blown that record out of the water with its almost complete 2 week-long flight!

The Zephyr has been floating above Arizona for about 240 hours as of now, and by Friday will have reached a seemingly impossible 336 hours in the air. The craft is meant to be used as a surveillance plane, keeping a watchful eye for extended periods of time over pieces of land that are of interest to military and civilian groups. Though we think it’s a bit creepy to know we might be watched for that amount of time, we’d rather be spied on by this solar beauty than one powered by fossil fuels!

via Inhabitat

Päikest ei olegi vaja ...

Taavi @ 19.01.2011 19:49 | Registreerunud: 01.04.2003

- A Tailless Foot-Launched Sailplane 1991

The SWIFT is a high performance foot-launched sailplane, designed to combine some of the convenience of hang gliders with the soaring performance of sailplanes. It takes off and lands like a hang glider, yet maintains exceptional performance at high speeds, achieving a lift-to-drag ratio of about 25:1. Although it is a fully-cantilevered rigid wing with aerodynamic controls and flaps, it weighs only about 100 lbs and is easily transported on the top of a car.



Wiki Microlift glider


Taavi @ 17.01.2013 18:44 | Registreerunud: 01.04.2003