Posted by seebert
on May 4, 2009, 7:49 pm, in reply to "Re: Hey Roy, here's another one"
"please don't forget that the amount of wind energy near ground level or on rooftops is trivial at best"
Yes, but in combination with more modern low-energy solid state electronics, does it really have to be that much?
It seems to me the 35 mph windbreak I've seen with any building over three stories in downtown Portland gets these weird whrils quite regularly- and I've seen on Mythbusters how such gusts operated in the Myth of the Penny Drop (where the gusts had a tendency to make sure anything dropped from the Empire State Building Observation Deck went no more than a couple of stories before getting blown back towards the building).
Combine that with a low amperage, low voltage DC network and a whole bunch of LEDs- and I'd think you could light up a building even if your kinetic art isn't generating any more than 5 volts at 2 amps per installation.
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