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aerial photography by 'RC' Dave Freund - right click for high-res image |
 |
| After successfully crossing the United States in
Sunseeker I, a long series of modifications and refinements led
to an almost entirely new airplane. In 2002 a new wing was constructed with
a different plan form, more surface area for solar cell coverage, and a
new technique for integrating the latest generation of solar cells into
the actual wing structure rather than bonding them to the surface. The new
aircraft features a unique teetering propeller, which drastically reduces
vibration. In 2006, a new motor was constructed for the airplane that is
twice as powerful as Sunseeker I's motor. An improved tail was
fitted to the aircraft in addition to a new set of control electronics designed
by Alan Cocconi for the batteries and solar arrays. The new electronics
greatly increase the system's efficiency. As a final touch, the new aircraft
is fitted with four packs of advanced lithium polymer batteries, which find
their home in the wings of the airplane.
Today Sunseeker II has logged more time
in the air than all other manned solar powered airplanes combined. It continues
to raise the bar for solar powered aircraft and inspire the world to think
seriously about the beautiful future that we can look forward to if we take
bold steps today.
Lithium battery systems support from Air
Energy, builder of the Silent electric motorglider. |
 Instrument
panel now in use on Sunseeker II |
