News for hackers. Stuff that matters.

A comment on Stacking concrete blocks is a surprisingly efficient way to store energy. Parent comment

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, ...
[ Parent | on HN ]
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?
[ Parent | on HN ]