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Old 08-24-2008, 03:59 PM   #1 (permalink)
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Solar electric unmanned plane sets record: 83 hrs aloft



Quote:
An ultra-lightweight plane built from carbon fiber and powered using paper-thin solar panels has broken the world record for longest-lasting unmanned flight, its manufacturer claimed Sunday.

QinetiQ Group PLC said its propeller-driven "Zephyr" aircraft flew for 83 hours and 37 minutes, more than doubling the official world record set by Northrop Grumman's "Global Hawk" in 2001.
The plane weighs a featherlight 66 pounds / 30 kilograms and reached an altitude of of more 60,000 feet (18,000 meters).

The panels charged lithium batteries during the day for night operation.

Source: Newsvine - QinetiQ says it has broken unmanned flight record

QinetiQ Home, inspired solutions for a changing world

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Old 08-24-2008, 04:21 PM   #2 (permalink)
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Nice Looks like an exceptionally fun project
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Old 08-24-2008, 04:55 PM   #3 (permalink)
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Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 55.97 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
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I think so too.

I wonder if they "pulsed" during the day up to the highest possible altitude & bled it back at night while running off the batteries.

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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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