Stallman about surveillance

[James Knott]

Lennart Sorensen wrote:
> I think the good old diesel generators started with compressed air that
> could be started and synced to the grid in a few cycles of the power
> are the really impressive ones.  Less than a second response time to
> demand, but most certainly not the most efficient or economical way to
> generate power.
>

We used to have some "no break" power systems at work.  These consisted
of a motor turning an alternator and an 8 ton flywheel.  There was also
a diesel engine.  When the power failed, a clutch connected the diesel
to the flywheel, which started the diesel very quickly.  The flywheel
also kept the alternator turning to maintain power.
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