Why would you put it above your house? Just construct a sort of battery tower nearby.

zozbot234 2 days ago | parent | next [-]

Why not just build a water tower? Easier to manage, it's a proven technology and it has well-known ancillary uses beyond energy storage.

	▲	sfn42 2 days ago \| parent [-]
		I don't even think the gravity battery thing is viable for individual residential power storage at all. I was just wondering why you'd assume that the 100 ton weight would be placed directly above your house given the obvious problems with that approach, and the obvious way to avoid those problems.

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empyrrhicist 2 days ago | parent | prev | next [-]

The comment I was replying to literally said "For home use", and a heavy object 10m in the air does not have to be directly above something to be meaningfully (and dangerously) above something.

It's a silly scenario anyway, but I was doing a bit of guesswork about typical "home" lot sizes.

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sfn42 2 days ago | parent [-]

Yeah I understand it's for home use. I am imagining a tower in the back yard or something. It would be closed so that nobody can walk under the weight. Or it could be internal to the house like an elevator shaft.

Anyway I agree it's silly, definitely not a realistic idea

	▲	empyrrhicist 2 days ago \| parent [-]
		Right - if a tower in the back yard falls down it can still hit your house, since it isn't guaranteed to neatly collapse straight down. Worst case, it may tip over from the base and directly smash stuff up to its height away (and 10m is pretty far). I have trees in my back yard I'm kind of worried about, which is why this immediately came to mind.

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lawlessone 2 days ago | parent | prev [-]

Just suspend your house, become the battery.