On 5/17/07, Stewart Stremler <[EMAIL PROTECTED]> wrote:
begin  quoting Gus Wirth as of Thu, May 17, 2007 at 05:43:16PM -0700:
[snip]
> Depending on your situation, you might be able to use an Uninterruptible
> Power Supply (UPS) and if the power fails on one side you can unplug it
> and move it to the other. There are also automatic switches that can do
> that for you.

Build a large and heavy flywheel, and keep it spinning with two or more
motors, one per circuit; use the flywheel to drive an alternator...

Flywheel UPS's exist. See
http://www.genpropower.com/powerware_pf2_flywheel.htm

But they need horses not hampsters :)

BobLQ


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