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Solar Powered Round The World Flight Planned For 2009

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Posted by Larry Dighera on March 9, 2005, 9:25 am
 
It's beginning to look like the 21st century indeed:

    http://www.solar-impulse.com/en/index.php
    Bertrand Piccard and the EPFL unveil project to fly around the
    world in a solar powered airplane
    
    Lausanne, Switzerland -- A team of aviators and scientists led by
    Dr. Bertrand Piccard, the first man together with Brian Jones to
    circle the earth non-stop in a balloon in 1999, announced plans in
    Lausanne, Switzerland Friday to develop an aircraft powered by the
    sun and capable of circling the earth. The Piccard team envisions
    being able to spend full nights in the air by 2007. Piccard will
    be assisted by Jones, his co-pilot in their Breitling Orbiter 3
    balloon, and André Borschberg, engineer and jet plane pilot. Their
    new project, dubbed Solar Impulse , is aimed at demonstrating the
    role of high technology in sustainable development. The EPFL
    (Swiss Federal Institute of Technology in Lausanne/ Ecole
    Polytechnique Fédérale de Lausanne ) is the official scientific
    advisor to the project. The EPFL conducted thermodynamic research
    in support of the Piccard/Jones 1999 balloon flight, and is the
    official scientific advisor to Alinghi , current holder of yacht
    racing's prestigious America's Cup.
    
    EPFL, November 28th 2003
    

------------------------------------------------------------------

    http://radio.weblogs.com/0105910/2004/04/01.html
    
    Solar Impulse Will Circle the Globe in 2009

    Bertrand Piccard, the Swiss adventurer who was one of the two
    first men to fly around the world non-stop in a balloon in 1999,
    wants to achieve the same goal again. But next time, he will use a
    pollution-free, single-pilot solar-powered aircraft. The plane,
    named Solar Impulse, will look like a glider, but its 70-meter
    wingspan will exceed the one of a Boeing 747. Universe Today says
    a prototype will be ready next year and that the plane should be
    ready for its flight around the world in 2009.
    
    The proposed aircraft resembles a glider, but with a mammoth
    70-metre wingspan, exceeding that of a Boeing 747. Completely
    covered by solar cells and equipped with possibly two tail-mounted
    propeller engines, the plane will be capable of unassisted
    take-off and will carry the necessary batteries for night flying.
    ...

----------------------------------------------------------------


http://www.universetoday.com/am/publish/solar_plane_around_earth.html
    Solar Plane Will Attempt to Go Around the Earth
    
    Summary - (Mar 31, 2004) The European Space Agency will be
    supplying technology to assist adventurer Bertrand Piccard's
    attempt to fly a solar-powered plane around the world. Piccard was
    part of the team that successfully flew a balloon around the
    Earth. The solar powered plane will have a 70-metre wingspan
    (larger than a Boeing 747), and carry enough batteries to be able
    to fly in the night as well. The plane would fly at an altitude of
    10 km; well above the clouds to capture all the available
    sunlight. The first round-the-world attempt will be made some time
    after 2009.
    
    Full Story -  
    Image credit: ESA
    ESA's Technology Transfer Programme is to supply state-of-the-art
    technologies to assist adventurer Bertrand Piccard's flight around
    the world in a single-pilot solar-powered aircraft,  ...

    The EPFL study says that current off-the-shelf lithium-ion
    batteries provide just under 200 watt-hours per kilogram (Wh/kg),
    enough to support a single-pilot plane, while a two-pilot solution
    would require a capacity of at least 300 Wh/kg.
    
    The plan is to design and construct the first prototype aircraft
    in 2004-2005, with initial test flights in 2006. The next step is
    to complete night flights in 2007, initially at least 36 hours
    including one full night. From then on flying lengths are to be
    increased. . Innovative solutions will be required to store the
    necessary food and water while reduce weight to a minimum –
    familiar problems for ESA engineers designing space missions.
    
    When will the Solar Impulse fly around the world, non-stop? "It is
    planned to cross the Atlantic in 2008 and fly around the world
    with stop-overs in 2009," says André Borschberg, "To fly around
    non-stop depends very much on how quickly we will have higher
    energy density batteries…but not before 2009." ...


Posted by Larry Dighera on March 9, 2005, 9:38 am
 

Specific information (engine horsepower, solar cell efficiency,
weight, ...) is available here:


http://www.hcnw.ch/berichte/solarimpulsev1_1_electrical_summary.pdf
    Solar Impulse Version 1.1 Electrical values presentation


Posted by Slick on March 10, 2005, 6:02 am
 If this is the same guy who has tried a couple of times to make it around in
a balloon, what makes him think he can make it in a solar powered plane.

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Posted by Bert Willing on March 10, 2005, 6:59 am
 Wouldn't be him anyways, it would rather be his autopilot.

--
Bert Willing

ASW20 "TW"


4230288a$1_1@127.0.0.1...


Posted by William P.N. Smith on March 10, 2005, 7:24 am
 
Uh, maybe the fact that he succeeded?


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