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re: microhydroelectric question
29 aug 2000
dumb@question.com wrote:
>can anyone think of a type of fluid motor that could be put in the
>water line coming into a house so that anytime water was used the
>motor would turn. i think it would be neat to flush the toilet and
>generate a little electricity to help charge the batteries.
yes, that sounds like a dumb question, in light of arithmetic, like
making electricity with rainwater that falls from the roof (you might
average 1 watt in a rainy climate.)
how many kwh per day can you make if you run 1,000 gallons per day of
60 psi city water through a 100% efficient generator that reduces the
pressure to 40 psi? i'll send a shiny new $1 bill to the first reader
with the right answer.
toilet tank tops with basins that run the incoming fresh water through
a spigot for handwashing make more sense, as does using the city water
supply for a bidirectional water source heat pump, if that were legal.
nick
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