> I seem to recall an automobile developed in the 60s or 70s by another National Lab that siphoned off stored power from a flywheel (driven by a smaller motor).

> I seem to recall an automobile developed in the 60s or 70s by another National Lab that siphoned off stored power from a flywheel (driven by a smaller motor). One possibly feasible application that comes to mind are automotive turbo chargers. Compared with current approaches, a flywheel does not actually seem that convoluted.