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A comment on Ditch the Batteries: Off-Grid Compressed Air Energy Storage. Parent comment

Re:Ditch the Batteries: Off-Grid Compressed Air Energy Storage by dredmorbius on Monday May 28, 2018 @03:22AM (#17171037)
Frictionaal losses are part of the consideration, but just plain bearing wear is a bigger one AFAIU.

Angular momentum in 100 kWh - multi MWh rotational systems is large.

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