Re: The USGS and University of Mo-Rolla looks at Taum Sauk site

In article <11qnu6152i3kp3d@xxxxxxxxxxxxxxxxxx>, Jo Schaper wrote:
> Gravity potential for pumped storage hydro. There is an elevation
> difference of 800 feet between Proffitt Mountain and the turbines, as
> well as the Black River flowing at the foot of the mountain as a water
> source.
>
Ah, that's what that long thread was about. I'd passed over it
while wiping the trolls out of the database, with the intention of reading
later.
There's only one major pumped-storage scheme in the UK - Dinorwic
in the Snowdonia National Park. It doesn't sound as extreme as the one you
describe - just a high level lake, a low level lake, and a machine hall in
an underground slate mine. But I guess there's still a potential for
overflow if someone forgot to switch the pumps off. Of course, the first
bit of the overflow would run through the control room's site and machine
room, so I suspect it would tend towards the self-limiting.
I wonder if anyone has bee persuaded to dive the upper (quarry)
lake. Hmmm, evil thoughts. Sounds like a mission for The Runt. But he's
done enough rock climbing in N.Wales that he's probably heard about it
already.
--
Aidan Karley FGS
Aberdeen, Scotland,
Location: 57°10'11" N, 02°08'43" W (sub-tropical Aberdeen), 0.021233

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