Stacking concrete blocks is a surprisingly efficient way to store energy

Re:Stacking concrete blocks is a surprisingly efficient way ... by hliyan on Saturday August 18, 2018 @11:55PM (#17792479)

Question: can't we significantly reduce the number of moving parts by using a lever system to raise a single, giant weight, preferably from the bottom?

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Re:Stacking concrete blocks is a surprisingly efficient way ... by Gravityloss on Sunday August 19, 2018 @04:32AM (#17793275)

There was a project to carve a huge cylinder, kilometers wide, out of bedrock and raise and lower it with hydraulics. You could keep whatever's on top mostly intact. I don't know what's the latest status.

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Re:Stacking concrete blocks is a surprisingly efficient way ... by markvdb on Sunday August 19, 2018 @05:16AM (#17793425)

http://www.authorstream.com/Presentation/heindl-958931-hydra...

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Re:Stacking concrete blocks is a surprisingly efficient way ... by gonvaled on Sunday August 19, 2018 @03:32AM (#17793060)

You can not use standard cranes, and there are obvious limits: motor power, cable strength, stability of the system with a high center of gravity, ...

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Re:Stacking concrete blocks is a surprisingly efficient way ... by hliyan on Sunday August 19, 2018 @06:07AM (#17793570)

Could we not do this with a medium powered motor on the ground, pushing up the load through a system of gears and levers?

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