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Posted by jim on December 7, 2008, 6:10 pm
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//
>
> Well, in the case of my house's UPS, that's 24 volts at 1000 amp-hours.
that is (assuming you can drain the last drop out of the battery)
2.4KWhr - a perfectly valid emergency supply
=A0I got
> the 20 AGMs as a matched but used set as scrap from an AVS electric bus
> battery pack.
>
and you have it bunded - ie it is in your cellar.
& it is NOT the Heath Robinson brew suggested by the wiki article.
//
> Well, this whole thread is silly and those of us who can do simple math a=
re
> just funning around. =A0Anyone who thinks that they're going to supply th=
eir
> house with 20kWh of wind power on a daily basis cheaper than the utility =
power
> is smoking something MIGHTY FINE!
Oh yes? There's loads of idiots out there, including govt ministers
and advisers and civil servants, who obviously cannot do the simple
sums & do not think it is a silly idea. And they are right there in
the middle of govt putting up all of our elec bills.
The daft idea has got out that wind energy is 'free' and all you do is
put up a fan, plug it into the mains and lie back whilst the cheques
roll in. It is perhaps inexhaustable, but is it truly renewable? The
expected life of a wind turbine is c.30years. Not very long as
electrical generation infrastructure goes. Plus there is a large plug
of expensive-energy-consumed concrete under it.
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