[modeleng] Re: Semi OT windmills / generation
- From: The Sheppard Residence <peter@xxxxxxxxxxxxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Thu, 30 Dec 2004 07:48:14 +0000
Dinorwic?
Eric Walker wrote:
> I couldn't remember the name of the Welsh mountain but they call it pumped
> storage, a good idea using electricity that would be wasted. A type of
> battery.
> A few years ago the powers that be closed most of the coal mines here, I
> thought at the time why don't they hang a large weight in the pit shaft &
> generate electricity as it descends & wind it back up when there is free
> power available, but they filled them with concrete.
>
> E.W.
> ----- Original Message -----
> From: "Clif Walker" <clif.gwr@xxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Wednesday, December 29, 2004 3:50 PM
> Subject: [modeleng] Re: Semi OT windmills / generation
>
>
>
>>Hi All,
>>
>>We have the same system built into a mountain in Wales called Dinorwic.
>>
>>Regards
>>
>>Clif
>>----- Original Message -----
>>From: <cbrumbelow@xxxxxxxxxxx>
>>To: <modeleng@xxxxxxxxxxxxx>
>>Sent: Tuesday, December 28, 2004 9:00 PM
>>Subject: [modeleng] Re: Semi OT windmills / generation
>>
>>
>>
>>>Down near Chattanooga Tennessee, TVA hollowed out the top of Racoon
>>
>>Mountain and put turbines at the base. When the demand for electricity is
>>slack, they pump water to the top of the mountain. When demand is heavy,
>>they generate electricity by letting the water run back through the
>>turbines. That, plus their hydroelectric facilities, plus some gas
>>turbines
>>allows them to keep the nuclear and coal-burning steam power plants
>>running
>>full speed while helping meet peak demand loads. Charles
>>
>>>-------------- Original message --------------
>>>
>>>
>>>>At one time there was talk of utilizing tides to generate electricity.
>>>>Incoming tide would turn generators in one direction and outgoing in
>>>>the
>>>>other. This would happen twice a day with a bit of slack between, but
>>>>it
>>>>looked feasible. Don't know why it was dropped unless it would present
>>>>a
>>>>navigation hazard or possibly intefere with Teddy Kennedy's water sking
>>
>>and
>>
>>>>sailing. Maybe the lobster fishermen would be upset??
>>>>
>>>>Jesse in Tennessee
>>>
>>>MODEL ENGINEERING DISCUSSION LIST.
>>>
>>>To UNSUBSCRIBE from this list, send a blank email to,
>>>modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject
>>
>>line.
>>
>>>
>>>--
>>>Internal Virus Database is out-of-date.
>>>Checked by AVG Anti-Virus.
>>>Version: 7.0.298 / Virus Database: 265.6.4 - Release Date: 22/12/2004
>>>
>>
>>
>>
>>--
>>Internal Virus Database is out-of-date.
>>Checked by AVG Anti-Virus.
>>Version: 7.0.298 / Virus Database: 265.6.4 - Release Date: 22/12/2004
>>
>>MODEL ENGINEERING DISCUSSION LIST.
>>
>>To UNSUBSCRIBE from this list, send a blank email to,
>>modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject
>>line.
>>
>
>
>
> MODEL ENGINEERING DISCUSSION LIST.
>
> To UNSUBSCRIBE from this list, send a blank email to,
> modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject
> line.
>
>
MODEL ENGINEERING DISCUSSION LIST.
To UNSUBSCRIBE from this list, send a blank email to,
modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.
Other related posts:
