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elevated weight as storage for generator?
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26
comments (26 topical, editorial)
Re: elevated weight as storage for generator?
(
3.00 / 0
) (
#25
)
by nimble on Tue Jul 4th, 2006 at 10:07:16 PM MST
(
User Info
)
I've thought a lot about using gravity for energy storage, water is good if you have the land needed, but water doesn't weigh very much. Lead is better. The suggestion to lift lead-acid batteries is not a bad idea, but the weight must be massive to hold any significant amount of energy. My most promising idea was to build a house out of concrete, and raise the entire house to store the solar power. This seems very appropriate for New Orleans, or other hurricane prone areas where the massive weight of the house makes it safe from the wind. but it would be very expensive for a single-family home, however it would last a very long time, both the house and the "battery" it would be.
A simple addition to multiply the storage is to add springs that hold it down, but springs do wear out eventually over time and break, so it would require maintaince.
Jack
Re: elevated weight as storage for generator?
(
3.00 / 0
) (
#26
)
by thunderhead (
mail me from my homepage!
) on Sat Aug 26th, 2006 at 05:00:11 AM MST
(
User Info
)
http://www.simon.richardson.net/mailme.htm
If your house weighs 100 tons, and you lift it a metre into the air, you store 100,000 x 1 x 10 = 1,000,000 joules.
That's about 1/3 of a kWh.
[
Parent
]
elevated weight as storage for generator?
|
26
comments (26 topical, 0 editorial)
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