4 ms·
I believe these ones are not limited by tensile strength: https://interestingengineering.com/concrete-gravity-trains-may-solve-energy-storage-problem/ https://i
by trickstra 6y ago
I believe these ones are not limited by tensile strength: https://interestingengineering.com/concrete-gravity-trains-may-solve-energy-storage-problem/ https://interestingengineering.com/concrete-gravity-trains-m.... They are a bit limited by available geography, but far less than say pumped hydro.
- gnramires 6y agoIndeed! In this case it's the integrity and friction of the soil (of the hill) that's keeping the potential energy contained, and this hill soil is "free".