If it's a student project, it can be kind of goofy and impractical. It
should also a good learning experience (and fun). :-)
The big fresnel lens is going to require that the car be parked
precisely under the focal point. It also doesn't take into account that
the sun moves. So...
How about putting a motorized mirror on a pole? A camera looks for the
car, spots its solar panel, and steers the mirror to direct the sun on
it. Now you get more power.
This also avoids burning a hole in mother-in-law's convertible top when
she comes over for dinner, or setting fire to the cat that happens to
walk across the driveway.
Maybe it could even eke out a little more power at night, from the full
moon or a street light.
--
We live in a society exquisitely dependent on science and technology,
in which hardly anyone knows anything about science and technology.
-- Carl Sagan
--
Lee Hart -- See my Xmas projects at www.sunrise-ev.com/projects.htm
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